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CBP-307

Phase 2

Moderate to Severe Ulcerative Colitis | Small molecule | Gastrointestinal |Connect Biopharma Holdings Limited|Trials Updated: Nov 4, 2024

CBP-307 development status

Highest phase Phase 2
Registered trials 3 across 2 sponsors since Oct 2014

CBP-307 target and mechanism

Molecular targetS1P1
Target classT Cell Receptor
ModalitySmall molecule

Also known as Double-Blind CBP-307

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment321

FDA Designations

No designations recorded

CBP-307 clinical trials

CBP-307 · 3 trials · 2 indications

Phase 2 1Phase 1 2
NCT04700449A Study Assessing the Efficacy and Safety of CBP-307 in Subjects With Moderate to Severe Ulcerative Colitis (UC)Moderate to Severe Ulcerative Colitis
COMPLETED145 Analytics
PHASE2COMPLETED
A Study Assessing the Efficacy and Safety of CBP-307 in Subjects With Moderate to Severe Ulcerative Colitis (UC)
Moderate to Severe Ulcerative ColitisUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline for Adapted Mayo Score: 0.2 mg Versus Placebo
The adapted Mayo score was evaluated at screening and Week 12 (or early termination visit) during the study Stage 1 as well as at Week 24 (only for the sub-study 2) and Week 48 (or early termination visit) during the study Stage 2.

Change in adapted Mayo score from baseline at week 12 compared between CBP-307 0.2 mg and placebo in the Full Analysis Set by Multiple Imputation. Adapted Mayo scores were calculated based on data in stool frequency, rectal bleeding, and endoscopic findings. The Mayo scores range from 0 to 9 and consist of 3 subscores, each ranging from 0 to 3. The higher the score is, the more severe the disease is.

Change-from-baseline QT Interval Corrected for Heart Rate Using Fridericia's Method (QTcF)
From Baseline to Day 16

Change from Baseline in QT interval corrected for heart rate using Fridericia's method (QTcF) to evaluate the effects of therapeutic and supratherapeutic CBP-307 plasma concentrations.

Number of Participants with Adverse Events as a Measure of Safety and Tolerability
up to 6 weeks

Safety measurements will include vital signs, hematology, blood chemistry, blood pressure and other readouts.

Secondary Endpoints

Change in Complete Mayo Score From Baseline
at Week 12
Comparison of Clinical Response Rate by Adapted Mayo Score
at Week 12
Comparison of Clinical Response Rate by Complete Mayo Score
at Week 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Double-Blind 0.2mg CBP-307EXPERIMENTAL0.2 mg CBP-307 capsules oral administration.
Double-Blind PlaceboPLACEBO_COMPARATORPlacebo capsules oral administration.
Open-Label CBP-307EXPERIMENTAL0.2 mg CBP-307 capsules oral administration.
Double-Blind 0.1mg CBP-307EXPERIMENTAL0.1 mg CBP-307 capsules oral administration.
Investigational Group 1EXPERIMENTALTherapeutic and supratherapeutic multiple oral doses of CBP-307.
Investigational Group 2APLACEBO_COMPARATORMoxifloxacin (positive control for method validation) and Placebo oral administration.
Investigational Group 2BPLACEBO_COMPARATORMoxifloxacin (positive control for method validation) and Placebo oral administration.
CBP-307ACTIVE_COMPARATORParticipants will receive a single dose or once daily dose of CBP-307 for 28 days.
PlaceboPLACEBO_COMPARATORParticipants will receive a single dose or once daily dose of matching placebo for 28 days.

Interventions

NameTypeDescription
Double-Blind 0.2mg CBP-307DRUG0.2 mg capsule oral administration
Double-Blind PlaceboDRUGPlacebo capsule oral administration
Open-label CBP-307DRUG0.2 mg capsule oral administration
Double-Blind 0.1mg CBP-307DRUG0.1 mg capsule oral administration
CBP-307DRUGCBP-307 capsules oral administration.
Placebo-matched CBP-307DRUGPlacebo-matched CBP-307 capsules oral administration.
Moxifloxacin (Avelox)DRUGMoxifloxacin tablets oral administration。
Placebo-matched MoxifloxacinDRUGPlacebo-matched Moxifloxacin tablets oral administration.
PlaceboDRUG -
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites66

Main inclusion and exclusion criteria for the study Stage 1: Subjects were eligible to be included in the study only if all the following criteria applied: * Male or female subjects aged 18 to 75 years (inclusive) with a diagnosis of UC established at least 3 months prior to screening by clinical ...

Countries:United StatesChinaPakistanUkraineAustralia
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Frequently asked questions about CBP-307

What is CBP-307?

CBP-307 is an investigational small molecule drug being developed by Connect Biopharma Holdings Limited for autoimmune diseases, including moderate to severe ulcerative colitis. It is designed to modulate the S1P1 receptor, which is involved in T cell trafficking. CBP-307 has been studied in clinical trials and is not yet approved for any indication.

What is CBP-307 used for in ulcerative colitis?

CBP-307 is being evaluated for the treatment of moderate to severe ulcerative colitis. A Phase 2 clinical trial (NCT04700449) assessed its efficacy and safety in subjects with this condition. The trial has been completed, but CBP-307 remains investigational and is not approved for ulcerative colitis or any other indication.

What does CBP-307 target?

CBP-307 targets the S1P1 receptor, a G protein-coupled receptor that regulates lymphocyte egress from lymph nodes. By modulating S1P1, CBP-307 is intended to reduce T cell trafficking to sites of inflammation. This mechanism is being explored for autoimmune diseases such as ulcerative colitis.

Who is developing CBP-307?

CBP-307 is being developed by Connect Biopharma Holdings Limited, a clinical-stage biopharmaceutical company. The company's ticker symbol is CNTB. Connect Biopharma is focused on developing therapies for autoimmune diseases.

What phase is CBP-307 in?

CBP-307 has completed Phase 1 and Phase 2 clinical trials. The Phase 1 trials (NCT04818229 and NCT02280434) evaluated safety and tolerability, while the Phase 2 trial (NCT04700449) assessed efficacy and safety in moderate to severe ulcerative colitis. CBP-307 is not FDA approved and remains investigational.

What clinical trials is CBP-307 in?

CBP-307 has been studied in three completed clinical trials: NCT04818229, a Phase 1 QT interval study in healthy subjects; NCT04700449, a Phase 2 efficacy and safety study in moderate to severe ulcerative colitis; and NCT02280434, a Phase 1 safety and tolerability study in healthy male subjects. All trials are completed.

Is CBP-307 the same as Double-Blind CBP-307?

Yes, CBP-307 is also referred to as Double-Blind CBP-307 or Double-Blind 0.2mg CBP-307. These alternative names reflect the double-blind, placebo-controlled design used in its clinical trials. CBP-307 is the primary name for this investigational drug developed by Connect Biopharma.