Trial Outcomes & Findings for Multiple Dose Safety and Efficacy Study Evaluating CNS 7056 Versus Midazolam in Patients Undergoing Colonoscopy (NCT NCT01145222)

NCT ID: NCT01145222

Last Updated: 2019-01-08

Results Overview

Success of the procedure is a composite endpoint consisting of: Modified Observer's Assessment for Alertness/Sedation (MOAA/S) scores ≤4 on three consecutive measurements after administration of study drug AND completion of the endoscopy procedure AND no requirement for rescue sedative medication AND no requirement for manual or mechanical ventilation

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

162 participants

Primary outcome timeframe

From start of study drug injection to patient discharge

Results posted on

2019-01-08

Participant Flow

Participant milestones

Participant milestones
Measure
Remimazolam 8.0/3.0 mg
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1.0 mg top-ups for sedation maintenance.
Overall Study
STARTED
40
40
41
41
Overall Study
Safety Population
40
40
40
41
Overall Study
Intention to Treat (ITT) Population
40
40
40
40
Overall Study
COMPLETED
40
40
40
40
Overall Study
NOT COMPLETED
0
0
1
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Remimazolam 8.0/3.0 mg
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1.0 mg top-ups for sedation maintenance.
Overall Study
Procedure not done (no anesthesiologist)
0
0
1
0
Overall Study
Poor bowel preparation
0
0
0
1

Baseline Characteristics

Multiple Dose Safety and Efficacy Study Evaluating CNS 7056 Versus Midazolam in Patients Undergoing Colonoscopy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Remimazolam 8.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
n=41 Participants
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1 mg top-ups for sedation maintenance.
Total
n=161 Participants
Total of all reporting groups
Age, Continuous
54.5 years
STANDARD_DEVIATION 11.22 • n=5 Participants
54.5 years
STANDARD_DEVIATION 8.07 • n=7 Participants
54.0 years
STANDARD_DEVIATION 10.30 • n=5 Participants
55.5 years
STANDARD_DEVIATION 5.86 • n=4 Participants
54.6 years
STANDARD_DEVIATION 9.02 • n=21 Participants
Sex: Female, Male
Female
22 Participants
n=5 Participants
25 Participants
n=7 Participants
22 Participants
n=5 Participants
20 Participants
n=4 Participants
89 Participants
n=21 Participants
Sex: Female, Male
Male
18 Participants
n=5 Participants
15 Participants
n=7 Participants
18 Participants
n=5 Participants
21 Participants
n=4 Participants
72 Participants
n=21 Participants
Region of Enrollment
United States
40 participants
n=5 Participants
40 participants
n=7 Participants
40 participants
n=5 Participants
41 participants
n=4 Participants
161 participants
n=21 Participants
Height
169.15 cm
STANDARD_DEVIATION 11.0 • n=5 Participants
168.18 cm
STANDARD_DEVIATION 8.3 • n=7 Participants
169.01 cm
STANDARD_DEVIATION 11.3 • n=5 Participants
169.87 cm
STANDARD_DEVIATION 10.1 • n=4 Participants
169.06 cm
STANDARD_DEVIATION 10.2 • n=21 Participants
Weight
79.68 kg
STANDARD_DEVIATION 13.4 • n=5 Participants
76.23 kg
STANDARD_DEVIATION 11.6 • n=7 Participants
76.79 kg
STANDARD_DEVIATION 14.5 • n=5 Participants
76.95 kg
STANDARD_DEVIATION 13.6 • n=4 Participants
77.41 kg
STANDARD_DEVIATION 13.3 • n=21 Participants
Body Mass Index (BMI)
27.79 Kg/m2
STANDARD_DEVIATION 3.451 • n=5 Participants
27.02 Kg/m2
STANDARD_DEVIATION 4.042 • n=7 Participants
26.73 Kg/m2
STANDARD_DEVIATION 3.063 • n=5 Participants
26.58 Kg/m2
STANDARD_DEVIATION 3.515 • n=4 Participants
27.03 Kg/m2
STANDARD_DEVIATION 3.533 • n=21 Participants

PRIMARY outcome

Timeframe: From start of study drug injection to patient discharge

Population: Analysis Population is the ITT Population

Success of the procedure is a composite endpoint consisting of: Modified Observer's Assessment for Alertness/Sedation (MOAA/S) scores ≤4 on three consecutive measurements after administration of study drug AND completion of the endoscopy procedure AND no requirement for rescue sedative medication AND no requirement for manual or mechanical ventilation

Outcome measures

Outcome measures
Measure
Remimazolam 8.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
n=40 Participants
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1 mg top-ups for sedation maintenance.
Success Rates of the Procedure
37 Participants
38 Participants
39 Participants
30 Participants

SECONDARY outcome

Timeframe: From last injection of double-blind study medication until fully alert criteria are reached

Population: Analysis Population is the ITT Population

Time to first of 3 consecutive MOAA/S scores of 5 after the last injection of double-blind study medication

Outcome measures

Outcome measures
Measure
Remimazolam 8.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
n=40 Participants
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1 mg top-ups for sedation maintenance.
Time to Fully Alert
13.6 minutes
Standard Deviation 7.48
11.3 minutes
Standard Deviation 5.69
13.3 minutes
Standard Deviation 7.21
15.2 minutes
Standard Deviation 7.43

SECONDARY outcome

Timeframe: After the Last Injection of Double-Blind Study Medication AND after end of colonoscopy until first of 3 consecutive Aldrete scores ≥ 9

Population: Analysis Population is the ITT Population

Time of the first of 3 consecutive Aldrete scores ≥ 9

Outcome measures

Outcome measures
Measure
Remimazolam 8.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
n=40 Participants
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
n=40 Participants
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1 mg top-ups for sedation maintenance.
Time to Ready for Discharge
After last injection
14.6 minutes
Standard Deviation 8.52
12.4 minutes
Standard Deviation 6.72
11.3 minutes
Standard Deviation 4.86
15.3 minutes
Standard Deviation 8.13
Time to Ready for Discharge
After end of colonoscopy
5.0 minutes
Standard Deviation 6.29
4.6 minutes
Standard Deviation 4.58
3.8 minutes
Standard Deviation 4.16
5.5 minutes
Standard Deviation 6.59

Adverse Events

Remimazolam 8.0/3.0 mg

Serious events: 0 serious events
Other events: 10 other events
Deaths: 0 deaths

Remimazolam 7.0/2.0 mg

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Remimazolam 5.0/3.0 mg

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Midazolam 2.5/1.0

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Remimazolam 8.0/3.0 mg
n=40 participants at risk
Double-blind Remimazolam iv arm: 8 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Remimazolam 7.0/2.0 mg
n=40 participants at risk
Double-blind Remimazolam iv arm: 7 mg for sedation induction, and 2 mg top-ups for sedation maintenance
Remimazolam 5.0/3.0 mg
n=40 participants at risk
Double-blind Remimazolam iv arm: 5 mg for sedation induction, and 3 mg top-ups for sedation maintenance
Midazolam 2.5/1.0
n=41 participants at risk
Double-blind Midazolam iv arm: 2.5 mg for sedation induction, and 1 mg top-ups for sedation maintenance.
Cardiac disorders
Bradycardia
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
0.00%
0/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
0.00%
0/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Gastrointestinal disorders
Abdominal pain
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
5.0%
2/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
0.00%
0/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Gastrointestinal disorders
Vomiting
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
5.0%
2/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
4.9%
2/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Nervous system disorders
Headache
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
4.9%
2/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Vascular disorders
Hypertension
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
0.00%
0/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
9.8%
4/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Gastrointestinal disorders
Nausea
7.5%
3/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
5.0%
2/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
5.0%
2/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
2.4%
1/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
Nervous system disorders
Dizziness
0.00%
0/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
2.5%
1/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
5.0%
2/40 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms
0.00%
0/41 • Treatment-emergent Adverse Events (TEAEs) were collected from first dose of study drug until Day 4 ± 3 days, and were followed until resolution of any ongoing TEAE up to 30 days
Total number of participants affected with Other (Not Including Serious) Adverse Events represents overall number of participants with non-serious TEAEs reported with a threshold of 5% in any of the arms

Additional Information

Trial Information

PAION UK Ltd

Results disclosure agreements

  • Principal investigator is a sponsor employee At least 60 days prior to submission for publication, presentation or use, sponsor shall review and comment any proposed oral or written publication, which period may be extended for an additional 30 days. To seek patent protection, sponsor shall have the right to delay the proposed publication for an additional 60 days.
  • Publication restrictions are in place

Restriction type: OTHER