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Efficacy and Safety of Oral BT-11 in Ulcerative Colitis

A Randomized , Placebo-Controlled, Double-Blind, Multicenter Study to Evaluate Efficacy and Safety of Oral BT-11 in Ulcerative Colitis

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03861143
Enrollment
198
Registered
2019-03-04
Start date
2019-08-14
Completion date
2021-06-17
Last updated
2023-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ulcerative Colitis

Brief summary

This is a phase 2 randomized, placebo-controlled, double-blind, parallel-group multicenter study with an optional open-label extension (OLE) period. The purpose of this study is to evaluate the efficacy and safety of oral BT-11 compared to placebo in subjects with UC. This study includes 3 periods: induction, maintenance, and an optional OLE period.

Interventions

DRUGBT-11 (440 mg)

Oral, once daily tablet

DRUGBT-11 (880 mg)

Oral, once daily tablet

DRUGPlacebo

Oral, once daily tablet

Sponsors

NImmune Biopharma
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Intervention model description

This is a phase 2 randomized, placebo-controlled, double-blind, parallel-group multicenter study with an optional open label extension (OLE) period. The purpose of this study is to evaluate the efficacy and safety of oral BT-11 compared to placebo in subjects with UC. This study includes 3 periods: induction, maintenance, and an optional OLE period.

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: 1. . Male and female subjects aged 18 to 75 years, inclusive. 2. . Diagnosis of UC for at least 3 months prior to screening. 3. . UC, as defined by a total Mayo Score of 4 to 10 inclusive at baseline with a MES 2 (confirmed by central reader). 4. . Able to participate fully in all aspects of this clinical trial. 5. . Written informed consent must be obtained and documented. Key

Exclusion criteria

1. . A diagnosis of CD, indeterminate colitis, or presence or history of the fistula with CD. 2. . Modified Truelove and Witts criteria (2: 6 bloody stools per day and one or more of the following: pulse \> 90 bpm, temperature \> 37.8°C, hemoglobin \< 10.5 g/dl, or hs-CRP \> 30 mg/I). 3. . Disease activity limited to distal 15 cm (proctitis). 4. . Treatment with an immunosuppressant (azathioprine, 6- mercaptopurine \[6-MP\]) within 25 days prior to randomization. 5. . Unable to attend study visits or comply with procedures. 6. . Concurrent participation in any other interventional study. 7. . Prior enrollment in the current study and had received study treatment.

Design outcomes

Primary

MeasureTime frameDescription
Clinical RemissionWeek 12Clinical remission rate at Week 12, defined using the 3-component modified Mayo Score as a rectal bleeding subscore of 0, a stool frequency subscore of 0 or 1, and an endoscopic subscore of 0 or 1.

Countries

Bosnia and Herzegovina, Croatia, Poland, Ukraine, United States

Participant flow

Participants by arm

ArmCount
BT-11 Low-dose (440 mg)
Oral, once daily tablet
66
BT-11 High-dose (880 mg)
Oral, once daily tablet
66
Placebo
Oral, once daily tablet
66
Total198

Baseline characteristics

CharacteristicBT-11 Low-dose (440 mg)BT-11 High-dose (880 mg)PlaceboTotal
Age, Continuous43.1 years
STANDARD_DEVIATION 14.9
43.3 years
STANDARD_DEVIATION 14.9
43.3 years
STANDARD_DEVIATION 14.5
43.2 years
STANDARD_DEVIATION 14.7
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants0 Participants0 Participants1 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants1 Participants2 Participants3 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
65 Participants65 Participants64 Participants194 Participants
Sex: Female, Male
Female
40 Participants22 Participants31 Participants93 Participants
Sex: Female, Male
Male
26 Participants44 Participants35 Participants105 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 660 / 660 / 66
other
Total, other adverse events
23 / 6629 / 6627 / 66
serious
Total, serious adverse events
2 / 663 / 663 / 66

Outcome results

Primary

Clinical Remission

Clinical remission rate at Week 12, defined using the 3-component modified Mayo Score as a rectal bleeding subscore of 0, a stool frequency subscore of 0 or 1, and an endoscopic subscore of 0 or 1.

Time frame: Week 12

Population: ITT

ArmMeasureValue (NUMBER)
BT-11 Low-dose (440 mg)Clinical Remission30.3 percentage of participants
BT-11 High-dose (880 mg)Clinical Remission31.8 percentage of participants
PlaceboClinical Remission22.7 percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026