Trial Outcomes & Findings for CINRYZE for the Treatment of Hereditary Angioedema Attacks in Children Under the Age of 12 (NCT NCT01095510)

NCT ID: NCT01095510

Last Updated: 2021-06-03

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

9 participants

Primary outcome timeframe

Within 4 hours following treatment

Results posted on

2021-06-03

Participant Flow

Participants were not enrolled in the lower body weight category (10-25 kilograms \[kg\]) 1000 Units (U) dose group despite substantial recruitment efforts.

Of 12 participants screened, 9 participants were enrolled and treated. The reason for 3 participants were screen failures as they did not meet the inclusion criteria.

Participant milestones

Participant milestones
Measure
500 U CINRYZE (10-25 kg Body Weight)
Single intravenous (IV) dose of 500 U CINRYZE
1000 U CINRYZE (10-25 kg Body Weight)
Single IV dose of 1000 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
Single IV dose of 1500 U CINRYZE
Overall Study
STARTED
3
0
3
3
Overall Study
COMPLETED
3
0
3
3
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

CINRYZE for the Treatment of Hereditary Angioedema Attacks in Children Under the Age of 12

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
500 U CINRYZE (10-25 kg Body Weight)
n=3 Participants
Single IV dose of 500 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1500 U CINRYZE
Total
n=9 Participants
Total of all reporting groups
Age, Continuous
7 years
n=5 Participants
9 years
n=7 Participants
10 years
n=5 Participants
9 years
n=4 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
3 Participants
n=7 Participants
2 Participants
n=5 Participants
8 Participants
n=4 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
1 Participants
n=4 Participants
Region of Enrollment
United States
3 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
9 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Within 4 hours following treatment

Population: Intent-to-treat efficacy (ITT-E) population included all participants with baseline and at least one post-infusion investigator assessment of the hereditary angioedema (HAE) attack.

Outcome measures

Outcome measures
Measure
500 U CINRYZE (10-25 kg Body Weight)
n=3 Participants
Single IV dose of 500 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1500 U CINRYZE
Presence of Unequivocal Beginning of Relief of the Defining Attack Symptom
Yes
3 participants
3 participants
3 participants
Presence of Unequivocal Beginning of Relief of the Defining Attack Symptom
No
0 participants
0 participants
0 participants

SECONDARY outcome

Timeframe: Within 4 hours following treatment

Population: ITT-E population

Outcome measures

Outcome measures
Measure
500 U CINRYZE (10-25 kg Body Weight)
n=3 Participants
Single IV dose of 500 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1500 U CINRYZE
Time to Unequivocal Beginning of Relief of the Defining Attack Symptom
1.25 hours
Interval 0.25 to 1.75
0.25 hours
Interval 0.25 to 0.5
0.50 hours
Interval 0.25 to 2.5

SECONDARY outcome

Timeframe: Within 1 week following treatment

Population: ITT-E population.

Outcome measures

Outcome measures
Measure
500 U CINRYZE (10-25 kg Body Weight)
n=3 Participants
Single IV dose of 500 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
n=3 Participants
Single IV dose of 1500 U CINRYZE
Time to Complete Resolution of the Attack
13.58 hours
Interval 11.48 to 37.35
10.00 hours
Interval 1.57 to 22.33
29.07 hours
Interval 1.58 to 102.33

SECONDARY outcome

Timeframe: Pre-dose, 2, 4, 8 hours post dose on Day 1; Day 2, 3, 5, 8

Population: No participant agreed to obtain pharmacokinetic (PK) blood sampling for antigenic and functional C1 INH levels. Hence, it was planned not to be analyzed.

Data was not reported due to change in planned analysis.

Outcome measures

Outcome data not reported

Adverse Events

500 U CINRYZE (10-25 kg Body Weight)

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

1000 U CINRYZE (>25 kg Body Weight)

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

1500 U CINRYZE (>25 kg Body Weight)

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
500 U CINRYZE (10-25 kg Body Weight)
n=3 participants at risk
Single IV dose of 500 U CINRYZE
1000 U CINRYZE (>25 kg Body Weight)
n=3 participants at risk
Single IV dose of 1000 U CINRYZE
1500 U CINRYZE (>25 kg Body Weight)
n=3 participants at risk
Single IV dose of 1500 U CINRYZE
Gastrointestinal disorders
Diarrhea
33.3%
1/3 • Adverse events were collected through 1 week following the dose of study drug.
0.00%
0/3 • Adverse events were collected through 1 week following the dose of study drug.
0.00%
0/3 • Adverse events were collected through 1 week following the dose of study drug.
Gastrointestinal disorders
Nausea
33.3%
1/3 • Adverse events were collected through 1 week following the dose of study drug.
0.00%
0/3 • Adverse events were collected through 1 week following the dose of study drug.
0.00%
0/3 • Adverse events were collected through 1 week following the dose of study drug.

Additional Information

Study Director

Shire

Phone: +1 866 842 5335

Results disclosure agreements

  • Principal investigator is a sponsor employee Clinical Trial Agreement. Most restrictive provision - PI will not publish results until after first of: multicenter publication is published or 24 months from study end. Thereafter, PI may publish his results. PI must provide copy of proposed publication to Sponsor for pre-review. If Sponsor requests, PI must delete Sponsor confidential information before publication and/or delay publication for 60 days so Sponsor can file for patents or take other action to protect its patent rights.
  • Publication restrictions are in place

Restriction type: OTHER