Trial Outcomes & Findings for A Pharmacokinetic (PK) and Pharmacodynamic (PD) Dose-ranging Phase II Study of Ticagrelor in Paediatric Patients With Sickle Cell Disease (NCT NCT02214121)

NCT ID: NCT02214121

Last Updated: 2018-12-14

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

46 participants

Primary outcome timeframe

PK measurements (up to 8 hours post-dose) are taken in conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7) and after repeated dosing at Visit 4 (Day 14).

Results posted on

2018-12-14

Participant Flow

The study was conducted at 24 centres, in 6 countries. The first patient was enrolled to Part A of the study on 11 Sep 2014, and the last patient completed Part B of the study on 27 Feb 2017. Recruitment was stopped due to protocol amendment between 8 September 2015 and 1 June 2016.

46 patients were randomised to Part A of the study (open label). Of the patients completing Part A, 25 were randomised to Part B of the study (double blind)

Participant milestones

Participant milestones
Measure
Part A - Ticagrelor
Randomised treatment group for Part A of the study. Relevant for the Part A period.
Part B - Ticagrelor
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part B - Placebo
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part A
STARTED
46
0
0
Part A
COMPLETED
39
0
0
Part A
NOT COMPLETED
7
0
0
Part B
STARTED
0
17
8
Part B
COMPLETED
0
14
7
Part B
NOT COMPLETED
0
3
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Part A - Ticagrelor
Randomised treatment group for Part A of the study. Relevant for the Part A period.
Part B - Ticagrelor
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part B - Placebo
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part A
Patient decision
2
0
0
Part A
Dev. of study-specific withdrawal crit.
4
0
0
Part A
Other
1
0
0
Part B
Patient decision
0
1
0
Part B
Dev. of study-specific withdrawal crit.
0
2
0
Part B
Lost to Follow-up
0
0
1

Baseline Characteristics

Including only part A

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Part A - Ticagrelor
n=45 Participants
Actual treatment group for Part A of the study. Relevant for the Part A period.
Part B - Ticagrelor
n=16 Participants
Actual treatment group for Part B of the study. Relevant for the Part B period.
Part B - Placebo
n=7 Participants
Actual treatment group for Part B of the study. Relevant for the Part B period.
Total
n=68 Participants
Total of all reporting groups
Age, Continuous
11.2 Years
STANDARD_DEVIATION 3.34 • n=45 Participants • Including only part A
10.2 Years
STANDARD_DEVIATION 3.73 • n=16 Participants • Including only part B
9.7 Years
STANDARD_DEVIATION 3.35 • n=7 Participants • Including only part B
10.0 Years
STANDARD_DEVIATION 3.55 • n=23 Participants • Including only part B
Sex: Female, Male
Female
0 Participants
Including only part B
9 Participants
n=16 Participants • Including only part B
2 Participants
n=7 Participants • Including only part B
11 Participants
n=23 Participants • Including only part B
Sex: Female, Male
Male
0 Participants
Including only part B
7 Participants
n=16 Participants • Including only part B
5 Participants
n=7 Participants • Including only part B
12 Participants
n=23 Participants • Including only part B
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Including only part B
1 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
1 Participants
n=23 Participants • Including only part B
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants
Including only part B
15 Participants
n=16 Participants • Including only part B
7 Participants
n=7 Participants • Including only part B
22 Participants
n=23 Participants • Including only part B
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Including only part B
0 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
0 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
White
0 Participants
Including only part B
1 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
1 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
Black or African American
0 Participants
Including only part B
15 Participants
n=16 Participants • Including only part B
7 Participants
n=7 Participants • Including only part B
22 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
Asian
0 Participants
Including only part B
0 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
0 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
0 Participants
Including only part B
0 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
0 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
American Indian or Alaska Native
0 Participants
Including only part B
0 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
0 Participants
n=23 Participants • Including only part B
Race/Ethnicity, Customized
Other
0 Participants
Including only part B
0 Participants
n=16 Participants • Including only part B
0 Participants
n=7 Participants • Including only part B
0 Participants
n=23 Participants • Including only part B

PRIMARY outcome

Timeframe: PRU measurements are taken in conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7) and after repeated dosing at Visit 4 (Day 14). Up to 8 hours post-dose (6 hours following protocol amendment) Visit 2 and 3, and up to 2 hours Visit 4.

Population: The PD analysis set is a subset of the safety analysis set, including all patients having at least one PRU measured. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=31 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
n=7 Participants
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
n=18 Participants
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
n=10 Participants
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
n=9 Participants
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
n=14 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
n=9 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
n=17 Participants
Repeated bid treatment between Visit 3 and Visit 4.
P2Y12 Reaction Units (PRU) - Part A
Pre-dose
301.6 P2Y12 reaction units
Standard Deviation 46.55
268.0 P2Y12 reaction units
Standard Deviation 35.95
295.4 P2Y12 reaction units
Standard Deviation 42.30
287.7 P2Y12 reaction units
Standard Deviation 34.35
283.7 P2Y12 reaction units
Standard Deviation 36.88
277.7 P2Y12 reaction units
Standard Deviation 39.36
320 P2Y12 reaction units
Standard Deviation NA
Mean based on one observation.
205.4 P2Y12 reaction units
Standard Deviation 53.22
214.7 P2Y12 reaction units
Standard Deviation 48.71
P2Y12 Reaction Units (PRU) - Part A
2 hours post-dose
278.2 P2Y12 reaction units
Standard Deviation 47.20
138.4 P2Y12 reaction units
Standard Deviation 70.68
229.0 P2Y12 reaction units
Standard Deviation 64.22
176.2 P2Y12 reaction units
Standard Deviation 79.53
128.9 P2Y12 reaction units
Standard Deviation 37.68
79.9 P2Y12 reaction units
Standard Deviation 47.74
271.2 P2Y12 reaction units
Standard Deviation 70.35
102.0 P2Y12 reaction units
Standard Deviation 72.53
152.0 P2Y12 reaction units
Standard Deviation 72.35
P2Y12 Reaction Units (PRU) - Part A
6 hours post-dose
276.0 P2Y12 reaction units
Standard Deviation 75.43
189.0 P2Y12 reaction units
Standard Deviation 69.84
266.0 P2Y12 reaction units
Standard Deviation 57.98
190.4 P2Y12 reaction units
Standard Deviation 47.78
191.2 P2Y12 reaction units
Standard Deviation 57.59
141.7 P2Y12 reaction units
Standard Deviation 69.58
P2Y12 Reaction Units (PRU) - Part A
8 hours post-dose
343.0 P2Y12 reaction units
Standard Deviation 38.13
318.3 P2Y12 reaction units
Standard Deviation 66.43
318.0 P2Y12 reaction units
Standard Deviation NA
Mean based on one observation.

PRIMARY outcome

Timeframe: PRU measurements are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PD analysis set is a subset of the safety analysis set, including all patients having at least one PRU measured. All patients who received at least one dose of randomised study drug, ticagrelor or placebo, will be included in the SAF for Part B. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=3 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
P2Y12 Reaction Units (PRU) - Part B
Pre-dose
282.8 P2Y12 reaction units
Standard Deviation 19.26
313.3 P2Y12 reaction units
Standard Deviation 20.13
P2Y12 Reaction Units (PRU) - Part B
2 hours post-dose
259.6 P2Y12 reaction units
Standard Deviation 61.95
217.3 P2Y12 reaction units
Standard Deviation 78.34

PRIMARY outcome

Timeframe: PK measurements (up to 8 hours post-dose) are taken in conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7) and after repeated dosing at Visit 4 (Day 14).

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=31 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
n=7 Participants
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
n=18 Participants
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
n=10 Participants
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
n=9 Participants
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
n=14 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
n=9 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
n=17 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Maximum Plasma Concentration (Cmax) - Part A
15.240 ng/mL
Standard Deviation 15.2709
162.961 ng/mL
Standard Deviation 84.9230
52.069 ng/mL
Standard Deviation 34.4115
96.031 ng/mL
Standard Deviation 51.4902
269.174 ng/mL
Standard Deviation 162.2147
566.550 ng/mL
Standard Deviation 225.9447
13.973 ng/mL
Standard Deviation 15.3652
111.367 ng/mL
Standard Deviation 81.1597
157.216 ng/mL
Standard Deviation 114.8138

PRIMARY outcome

Timeframe: PK measurements (up to 4 hours post-dose) are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one dose of randomised study drug, ticagrelor or placebo, will be included in the SAF for Part B. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Maximum Plasma Concentration (Cmax) - Part B
16.394 ng/mL
Standard Deviation 13.3671

PRIMARY outcome

Timeframe: PK measurements (up to 8 hours post-dose) are taken in conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7) and after repeated dosing at Visit 4 (Day 14).

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

The PK parameter presented was derived using a model based analysis and not from a non-compartmental (NCA) analysis.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=31 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
n=7 Participants
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
n=18 Participants
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
n=10 Participants
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
n=9 Participants
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
n=14 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
n=9 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
n=17 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Area Under the Plasma Concentration Time Curve (AUC) - Part A
161.9 ng*h/mL
Standard Deviation 72.24
1151.9 ng*h/mL
Standard Deviation 308.39
437.5 ng*h/mL
Standard Deviation 262.24
879.3 ng*h/mL
Standard Deviation 236.12
1638.7 ng*h/mL
Standard Deviation 521.80
2850.9 ng*h/mL
Standard Deviation 1277.39
161.9 ng*h/mL
Standard Deviation 72.24
913.5 ng*h/mL
Standard Deviation 208.82
1022.4 ng*h/mL
Standard Deviation 287.32

PRIMARY outcome

Timeframe: PK measurements (up to 4 hours post-dose) are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one dose of randomised study drug, ticagrelor or placebo, will be included in the SAF for Part B. Analysis on the SAF was based on the study medication actually received.

The PK parameter presented was derived using a model based analysis and not from a non-compartmental (NCA) analysis.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Area Under the Plasma Concentration Time Curve (AUC) - Part B
160.6 ng*h/mL
Standard Deviation 88.58

SECONDARY outcome

Timeframe: In conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7), after repeated dosing at Visit 4 (Day 14). Up to 8h post-dose (6h following protocol amendment, no pre-dose) Visit 2 and 3, up to 2h Visit 4 (pre-dose, 1h added following amendment)

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=31 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
n=7 Participants
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
n=18 Participants
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
n=10 Participants
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
n=9 Participants
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
n=14 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
n=9 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
n=17 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Assessment of Ticagrelor Concentration - Part A
Pre-dose
2.170 ng/mL
Standard Deviation NA
Mean based on one observation.
31.937 ng/mL
Standard Deviation 48.6501
28.066 ng/mL
Standard Deviation 27.1344
Assessment of Ticagrelor Concentration - Part A
1 hour post-dose
12.713 ng/mL
Standard Deviation 16.0627
104.243 ng/mL
Standard Deviation 103.1502
34.069 ng/mL
Standard Deviation 42.3746
33.294 ng/mL
Standard Deviation 55.4258
182.558 ng/mL
Standard Deviation 188.4254
390.568 ng/mL
Standard Deviation 294.2189
80.414 ng/mL
Standard Deviation 75.9675
151.520 ng/mL
Standard Deviation 116.0079
Assessment of Ticagrelor Concentration - Part A
2 hours post-dose
11.465 ng/mL
Standard Deviation 8.7427
107.729 ng/mL
Standard Deviation 62.8343
37.782 ng/mL
Standard Deviation 31.6890
74.626 ng/mL
Standard Deviation 50.7053
162.435 ng/mL
Standard Deviation 161.8489
426.804 ng/mL
Standard Deviation 212.5385
13.973 ng/mL
Standard Deviation 15.3652
102.166 ng/mL
Standard Deviation 78.0785
101.618 ng/mL
Standard Deviation 65.2415
Assessment of Ticagrelor Concentration - Part A
4 hours post-dose
6.647 ng/mL
Standard Deviation 4.4533
75.907 ng/mL
Standard Deviation 31.2786
20.122 ng/mL
Standard Deviation 9.9383
51.005 ng/mL
Standard Deviation 24.6435
118.217 ng/mL
Standard Deviation 42.0873
188.383 ng/mL
Standard Deviation 111.9267
Assessment of Ticagrelor Concentration - Part A
6 hours post-dose
3.663 ng/mL
Standard Deviation 3.4061
52.966 ng/mL
Standard Deviation 29.0297
19.435 ng/mL
Standard Deviation 15.7259
45.502 ng/mL
Standard Deviation 17.8950
69.708 ng/mL
Standard Deviation 44.3168
125.279 ng/mL
Standard Deviation 89.0005
Assessment of Ticagrelor Concentration - Part A
8 hours post-dose
3.880 ng/mL
Standard Deviation 3.3171
15.699 ng/mL
Standard Deviation 20.7596
15.691 ng/mL
Standard Deviation 15.1392

SECONDARY outcome

Timeframe: PK measurements (up to 4 hours post-dose) are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Assessment of Ticagrelor Concentration - Part B
Pre-dose
2.478 ng/mL
Standard Deviation 3.9580
Assessment of Ticagrelor Concentration - Part B
1 hour post-dose
9.677 ng/mL
Standard Deviation 9.4275
Assessment of Ticagrelor Concentration - Part B
2 hours post-dose
14.144 ng/mL
Standard Deviation 12.4711
Assessment of Ticagrelor Concentration - Part B
4 hours post-dose
9.605 ng/mL
Standard Deviation 14.4979

SECONDARY outcome

Timeframe: In conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7), after repeated dosing at Visit 4 (Day 14). Up to 8h post-dose (6h following protocol amendment, no pre-dose) Visit 2 and 3, up to 2h Visit 4 (pre-dose, 1h added following amendment)

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

AR-C124910XX is the active metabolite of Ticagrelor

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=31 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
n=7 Participants
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
n=18 Participants
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
n=10 Participants
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
n=9 Participants
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
n=14 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
n=9 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
n=17 Participants
Repeated bid treatment between Visit 3 and Visit 4.
Assessment of AR-C124910XX Concentration - Part A
1 hour post-dose
1.782 ng/mL
Standard Deviation 1.6604
16.302 ng/mL
Standard Deviation 22.4614
4.577 ng/mL
Standard Deviation 7.8610
3.708 ng/mL
Standard Deviation 13.3332
30.070 ng/mL
Standard Deviation 44.2950
63.088 ng/mL
Standard Deviation 84.2091
24.945 ng/mL
Standard Deviation 15.6547
43.986 ng/mL
Standard Deviation 29.8127
Assessment of AR-C124910XX Concentration - Part A
Pre-dose
1.250 ng/mL
Standard Deviation NA
Mean based on one observation.
17.380 ng/mL
Standard Deviation 10.0399
20.359 ng/mL
Standard Deviation 15.0788
Assessment of AR-C124910XX Concentration - Part A
2 hours post-dose
2.681 ng/mL
Standard Deviation 2.0733
33.256 ng/mL
Standard Deviation 25.3854
11.757 ng/mL
Standard Deviation 13.3322
15.918 ng/mL
Standard Deviation 17.4849
52.932 ng/mL
Standard Deviation 69.1056
149.772 ng/mL
Standard Deviation 71.3624
4.026 ng/mL
Standard Deviation 4.7624
37.013 ng/mL
Standard Deviation 32.7650
44.690 ng/mL
Standard Deviation 31.6577
Assessment of AR-C124910XX Concentration - Part A
4 hours post-dose
2.071 ng/mL
Standard Deviation 1.2770
29.860 ng/mL
Standard Deviation 13.8726
7.630 ng/mL
Standard Deviation 6.3730
17.015 ng/mL
Standard Deviation 7.9272
50.887 ng/mL
Standard Deviation 25.6964
101.370 ng/mL
Standard Deviation 44.6207
Assessment of AR-C124910XX Concentration - Part A
6 hours post-dose
1.646 ng/mL
Standard Deviation 1.0427
25.276 ng/mL
Standard Deviation 10.8318
9.762 ng/mL
Standard Deviation 2.3304
16.703 ng/mL
Standard Deviation 5.8115
35.716 ng/mL
Standard Deviation 22.3351
76.941 ng/mL
Standard Deviation 39.9167
Assessment of AR-C124910XX Concentration - Part A
8 hours post-dose
1.715 ng/mL
Standard Deviation 1.0226
6.176 ng/mL
Standard Deviation 6.3168
9.232 ng/mL
Standard Deviation 2.5385

SECONDARY outcome

Timeframe: PK measurements (up to 4 hours post-dose) are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

AR-C124910XX is the active metabolite of Ticagrelor

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Assessment of AR-C124910XX Concentration - Part B
Pre-dose
1.810 ng/mL
Standard Deviation 1.1213
Assessment of AR-C124910XX Concentration - Part B
1 hour post-dose
2.865 ng/mL
Standard Deviation 1.6443
Assessment of AR-C124910XX Concentration - Part B
2 hours post-dose
4.160 ng/mL
Standard Deviation 3.1503
Assessment of AR-C124910XX Concentration - Part B
4 hours post-dose
3.953 ng/mL
Standard Deviation 4.1179

SECONDARY outcome

Timeframe: PK measurements (up to 8 hours post-dose) are taken in conjunction with single doses at Visit 2 (Day 0) and Visit 3 (Day 7) and after repeated dosing at Visit 4 (Day 14).

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

The PK parameter presented were derived using a model based analysis and not from a non-compartmental (NCA) analysis.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=45 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Oral Clearance (CL/F) - Part A
22.50 L/h
Standard Deviation 7.531

SECONDARY outcome

Timeframe: PK measurements (up to 4 hours post-dose) are taken after 4 weeks of double blind treatment at the end of Part B.

Population: The PK analysis set is a subset of the safety analysis set, including all patients having at least one PK variable calculated. All patients who received at least one dose of randomised study drug, ticagrelor or placebo, will be included in the SAF for Part B. Analysis on the SAF was based on the study medication actually received.

The PK parameter presented was derived using a model based analysis and not from a non-compartmental (NCA) analysis.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=9 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Oral Clearance (CL/F) - Part B
19.15 L/h
Standard Deviation 6.673

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=15 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Number of Vaso-occlusive Crises - Part B
1.0 Number of events
Standard Deviation 2.00
0.6 Number of events
Standard Deviation 0.74

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=15 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Number of Vaso-occlusive Crises Requiring Hospitalization or Emergency Department Visits - Part B
0.2 Number of events
Standard Deviation 0.41
0.1 Number of events
Standard Deviation 0.35

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=15 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Percentage of Days Hospitalized for Vaso-occlusice Crisis or Other Complications of Sickle Cell Disease - Part B
4.52 Percentage of days
Standard Deviation 11.816
1.34 Percentage of days
Standard Deviation 3.788

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Pain measured using the Faces Pain Scale, range 0-10 (0, 2, 4, 6, 8, 10), where 0 is no pain

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Percentage of Days With Pain (Age >=4) - Part B
27.01 Percentage of days
Standard Deviation 34.065
31.78 Percentage of days
Standard Deviation 23.731

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Pain measured using the Faces Pain Scale, range 0-10 (0, 2, 4, 6, 8, 10), where 0 is no pain

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Mean Intensity of Pain (Age >=4) - Part B
Overall - Part B
1.40 Mean score on scale
Standard Deviation 2.027
0.87 Mean score on scale
Standard Deviation 0.493
Mean Intensity of Pain (Age >=4) - Part B
1st week
1.64 Mean score on scale
Standard Deviation 2.603
1.36 Mean score on scale
Standard Deviation 0.827
Mean Intensity of Pain (Age >=4) - Part B
2nd week
1.11 Mean score on scale
Standard Deviation 2.236
0.38 Mean score on scale
Standard Deviation 0.525
Mean Intensity of Pain (Age >=4) - Part B
3rd week
1.06 Mean score on scale
Standard Deviation 1.881
0.67 Mean score on scale
Standard Deviation 1.116
Mean Intensity of Pain (Age >=4) - Part B
4th week
1.46 Mean score on scale
Standard Deviation 2.624
0.83 Mean score on scale
Standard Deviation 0.901

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Percentage of Days of Analgesic Use (Age >= 4) - Part B
16.79 Percentage of days
Standard Deviation 20.838
18.56 Percentage of days
Standard Deviation 19.110

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=14 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=8 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Percentage of Days of Opioid Analgesic Use (Age >=4) - Part B
12.46 Percentage of days
Standard Deviation 22.502
0.54 Percentage of days
Standard Deviation 1.537

SECONDARY outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients randomised in Part B were to be included in the efficacy analysis set (EAS). Patients were analysed according to their randomised study medication.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=11 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=6 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Percentage of Days of Absence From School or Work (Age >=6) - Part B
4.87 Percentage of days
Standard Deviation 10.865
5.95 Percentage of days
Standard Deviation 9.494

OTHER_PRE_SPECIFIED outcome

Timeframe: From randomisation to Part A (week 0) through Visit 4 (week 2)

Population: All patients who received at least one single dose of ticagrelor were included in the safety population (SAF) for Part A. Analysis on the SAF was based on the study medication actually received.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=45 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Haemorrhagic Events - Part A
0 Number of events

OTHER_PRE_SPECIFIED outcome

Timeframe: During 4 weeks of study treatment starting from randomization in Part B (week 2) up to 4 weeks (week 6).

Population: All patients who received at least one dose of randomised study drug, ticagrelor or placebo, will be included in the SAF for Part B. Analysis on the SAF was based on the study medication actually received. Erroneously treated patients will be accounted for in the actual treatment group.

Outcome measures

Outcome measures
Measure
Ticagrelor 0.125 mg/kg
n=16 Participants
Single dose received at Visit 2.
Ticagrelor 0.75 mg/kg
n=7 Participants
Single dose received at Visit 2.
Ticagrelor 0.375 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.563 mg/kg
Single dose received at Visit 3
Ticagrelor 1.125 mg/kg
Single dose received at Visit 3.
Ticagrelor 2.25 mg/kg
Single dose received at Visit 3.
Ticagrelor 0.125 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.563 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Ticagrelor 0.75 mg/kg Bid
Repeated bid treatment between Visit 3 and Visit 4.
Haemorrhagic Events - Part B
0 Number of events
0 Number of events

Adverse Events

Part A - Ticagrelor

Serious events: 5 serious events
Other events: 22 other events
Deaths: 0 deaths

Part B - Ticagrelor

Serious events: 4 serious events
Other events: 12 other events
Deaths: 0 deaths

Part B - Placebo

Serious events: 1 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Part A - Ticagrelor
n=45 participants at risk
Randomised treatment group for Part A of the study. Relevant for the Part A period.
Part B - Ticagrelor
n=16 participants at risk
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part B - Placebo
n=7 participants at risk
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Blood and lymphatic system disorders
Sickle cell anemia with crisis
6.7%
3/45 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
18.8%
3/16 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Gastroenteritis viral
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/16 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Respiratory, thoracic and mediastinal disorders
Acute chest syndrome
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.

Other adverse events

Other adverse events
Measure
Part A - Ticagrelor
n=45 participants at risk
Randomised treatment group for Part A of the study. Relevant for the Part A period.
Part B - Ticagrelor
n=16 participants at risk
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Part B - Placebo
n=7 participants at risk
Randomised treatment group for Part B of the study. Relevant for the Part B period.
Blood and lymphatic system disorders
Sickle cell anemia with crisis
13.3%
6/45 • Number of events 8 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Ear and labyrinth disorders
Tympanic membrane perforation
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Gastrointestinal disorders
Abdominal pain
13.3%
6/45 • Number of events 6 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
18.8%
3/16 • Number of events 6 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
28.6%
2/7 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Gastrointestinal disorders
Abdominal pain upper
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
12.5%
2/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Gastrointestinal disorders
Gastritis
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/16 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Gastrointestinal disorders
Nausea
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Gastrointestinal disorders
Vomiting
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
18.8%
3/16 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
General disorders
Chest discomfort
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
General disorders
Facial pain
4.4%
2/45 • Number of events 4 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
General disorders
Non-cardiac chest pain
4.4%
2/45 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
General disorders
Pain
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
General disorders
Pyrexia
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
12.5%
2/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Conjunctivitis
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/16 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Nasopharyngitis
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Otitis media
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Pharyngitis
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Infections and infestations
Tinea infection
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Musculoskeletal and connective tissue disorders
Arthralgia
11.1%
5/45 • Number of events 7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
25.0%
4/16 • Number of events 4 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
28.6%
2/7 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Musculoskeletal and connective tissue disorders
Back pain
6.7%
3/45 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
12.5%
2/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
12.5%
2/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Musculoskeletal and connective tissue disorders
Neck pain
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Musculoskeletal and connective tissue disorders
Pain in extremity
11.1%
5/45 • Number of events 8 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
18.8%
3/16 • Number of events 4 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
28.6%
2/7 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Nervous system disorders
Dizziness
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
6.2%
1/16 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Nervous system disorders
Headache
8.9%
4/45 • Number of events 7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/16 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
28.6%
2/7 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Reproductive system and breast disorders
Pelvic pain
0.00%
0/45 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/16 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
14.3%
1/7 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Respiratory, thoracic and mediastinal disorders
Cough
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
12.5%
2/16 • Number of events 2 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
2.2%
1/45 • Number of events 1 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
18.8%
3/16 • Number of events 3 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.
0.00%
0/7 • SAEs were collected from Visit 1 and AEs from Visit 2. SAEs and Other AEs are presented by study period, where Part A consists of the time from randomization to Part A through Visit 4. Part B starts the day after Visit 4 and continues until Visit 8.

Additional Information

Brilinta Global Clinical Lead

AstraZeneca

Phone: +46 31 776 1000

Results disclosure agreements

  • Principal investigator is a sponsor employee No publication can be made in advance of the first multicenter publication by the sponsor. Any publication will be submitted to the sponsor for review prior to the being published. The sponsor has the right to defer this publication for a period between 60 days to 6 months. The sponsor has the right to restrict the use of confidential information in any of the publications submitted.
  • Publication restrictions are in place

Restriction type: OTHER