Trial Outcomes & Findings for BLI400-302: A Safety and Efficacy Evaluation of BLI400 Laxative in Constipated Adults (NCT NCT02819297)

NCT ID: NCT02819297

Last Updated: 2020-07-27

Results Overview

The primary endpoint is the proportion of subjects who are weekly responders for at least 9 out of 12 weeks, with at least 3 of these weeks occurring in the last 4 weeks of treatment. A weekly responder is a subject who has ≥ 3 CSBMs and an increase from baseline of \> 1 CSBM in that week.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1020 participants

Primary outcome timeframe

12 weeks

Results posted on

2020-07-27

Participant Flow

1020 subjects were consented and entered into a two-week run-in period to confirm constipation status (subjects were required to average \< 3 complete spontaneous bowel movements per week). Following the run-in period, 603 subjects qualified for randomization.

Participant milestones

Participant milestones
Measure
BLI400 Laxative
BLI400 Laxative (21 gm of BLI400 powder)
Placebo
BLI400 placebo (equivalent amount of placebo powder)
Overall Study
STARTED
299
304
Overall Study
COMPLETED
239
252
Overall Study
NOT COMPLETED
60
52

Reasons for withdrawal

Reasons for withdrawal
Measure
BLI400 Laxative
BLI400 Laxative (21 gm of BLI400 powder)
Placebo
BLI400 placebo (equivalent amount of placebo powder)
Overall Study
Withdrawal by Subject
25
13
Overall Study
Lost to Follow-up
12
14
Overall Study
Adverse Event
12
10
Overall Study
Physician Decision
5
5
Overall Study
Lack of Efficacy
5
8
Overall Study
Protocol Violation
1
2

Baseline Characteristics

BLI400-302: A Safety and Efficacy Evaluation of BLI400 Laxative in Constipated Adults

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
BLI400 Laxative
n=299 Participants
BLI400 Laxative (21 gm BLI400 powder)
Placebo
n=304 Participants
BLI400 placebo (equivalent amount of placebo powder)
Total
n=603 Participants
Total of all reporting groups
Age, Continuous
52.4 years
STANDARD_DEVIATION 15.3 • n=5 Participants
51.0 years
STANDARD_DEVIATION 15.9 • n=7 Participants
51.7 years
STANDARD_DEVIATION 15.6 • n=5 Participants
Sex: Female, Male
Female
221 Participants
n=5 Participants
239 Participants
n=7 Participants
460 Participants
n=5 Participants
Sex: Female, Male
Male
78 Participants
n=5 Participants
65 Participants
n=7 Participants
143 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
119 Participants
n=5 Participants
114 Participants
n=7 Participants
233 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
180 Participants
n=5 Participants
190 Participants
n=7 Participants
370 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
19 Participants
n=5 Participants
21 Participants
n=7 Participants
40 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
88 Participants
n=5 Participants
101 Participants
n=7 Participants
189 Participants
n=5 Participants
Race (NIH/OMB)
White
187 Participants
n=5 Participants
178 Participants
n=7 Participants
365 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants
3 Participants
n=7 Participants
8 Participants
n=5 Participants
Region of Enrollment
United States
299 participants
n=5 Participants
304 participants
n=7 Participants
603 participants
n=5 Participants

PRIMARY outcome

Timeframe: 12 weeks

Population: modified ITT population - excludes subjects with significant protocol violations

The primary endpoint is the proportion of subjects who are weekly responders for at least 9 out of 12 weeks, with at least 3 of these weeks occurring in the last 4 weeks of treatment. A weekly responder is a subject who has ≥ 3 CSBMs and an increase from baseline of \> 1 CSBM in that week.

Outcome measures

Outcome measures
Measure
BLI400 Laxative
n=294 Participants
BLI400 Laxative (21 gm BLI400 powder)
Placebo
n=302 Participants
BLI400 placebo (equivalent amount of placebo powder)
Treatment Response
77 Participants
39 Participants

Adverse Events

BLI400 Laxative

Serious events: 3 serious events
Other events: 42 other events
Deaths: 0 deaths

Placebo

Serious events: 8 serious events
Other events: 33 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
BLI400 Laxative
n=299 participants at risk
BLI400 Laxative (21 gm BLI400 powder)
Placebo
n=304 participants at risk
BLI400 placebo (equivalent amount of placebo powder)
Injury, poisoning and procedural complications
Forearm fracture
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Musculoskeletal and connective tissue disorders
Arthralgia
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Cardiac disorders
Coronary artery disease
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
General disorders
Non-cardiac chest pain
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Gastrointestinal disorders
Enterocolitis
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Nervous system disorders
Cerebrovascular accident
0.33%
1/299 • Number of events 1 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Uterine leiomyoma
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Hepatobiliary disorders
Bile duct stone
0.33%
1/299 • Number of events 1 • 6 months
0.00%
0/304 • 6 months
Psychiatric disorders
Anxiety
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Cardiac disorders
Acute myocardial infarction
0.00%
0/299 • 6 months
0.33%
1/304 • Number of events 1 • 6 months
Investigations
Blood pressure increased
0.33%
1/299 • Number of events 1 • 6 months
0.00%
0/304 • 6 months

Other adverse events

Other adverse events
Measure
BLI400 Laxative
n=299 participants at risk
BLI400 Laxative (21 gm BLI400 powder)
Placebo
n=304 participants at risk
BLI400 placebo (equivalent amount of placebo powder)
Gastrointestinal disorders
Flatulence
8.0%
24/299 • Number of events 24 • 6 months
2.6%
8/304 • Number of events 8 • 6 months
Infections and infestations
Urinary tract infection
6.7%
20/299 • Number of events 20 • 6 months
8.6%
26/304 • Number of events 26 • 6 months

Additional Information

VP, Clinical Affairs

Braintree Laboratories, Inc.

Phone: 781-843-2202

Results disclosure agreements

  • Principal investigator is a sponsor employee The sole disclosure restriction which sponsor imposes on the PI is a sixty (60) day limited restriction in order to the protect potentially proprietary information which may be patentable
  • Publication restrictions are in place

Restriction type: OTHER