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RHB-104

Phase 3

Crohn Disease | Small molecule | Gastrointestinal |Redhill Biopharma Ltd.|Trials Updated: Feb 24, 2021

RHB-104 development status

Highest phase Phase 3
Registered trials 2 across 1 sponsor since Oct 2012

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials3
Total Enrollment403

FDA Designations

No designations recorded

RHB-104 clinical trials

RHB-104 · 3 trials · 3 indications

Phase 3 2Phase 2 1
NCT03009396Open Label Efficacy and Safety of Anti-MAP (Mycobacterium Avium Ssp. Paratuberculosis) Therapy in Adult Crohn's DiseaseCrohn Disease
COMPLETED54 Analytics
NCT01951326Efficacy and Safety of Anti-MAP Therapy in Adult Crohn's DiseaseCrohn's Disease
COMPLETED331 Analytics
PHASE3COMPLETED
Open Label Efficacy and Safety of Anti-MAP (Mycobacterium Avium Ssp. Paratuberculosis) Therapy in Adult Crohn's Disease
Crohn DiseaseUnlock trial analytics
PHASE3COMPLETED
Efficacy and Safety of Anti-MAP Therapy in Adult Crohn's Disease
Crohn's DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Patients in Remission at Week 16
Week 16

The number of patients who achieved a reduction of the total Crohn's Disease Activity Index (CDAI) score to less than 150 points. Lower CDAI scores indicate a better outcome.

Remission at Week 26
Week 26

Reduction of the total Crohn's Disease Activity Index (CDAI) score to less than 150. Lower CDAI scores indicate a better outcome.

Combined Unique Active lesions
Baseline through Wk 24

Secondary Endpoints

Response at Week 16
Week 16
The Number of Weeks for Patients to Achieve Remission
Baseline through week 52
Number of Weeks the Patients Are in Remission
Baseline through week 52
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
RHB-104 - patients on ACTIVE therapy in RHB-104-01 studyEXPERIMENTALSubjects who were on the active therapy arm in the RHB-104-01 clinical study will continue to receive RHB-104 at 5 capsules twice a day in addition to the standard of care they received in the RHB-104-01 clinical study
RHB-104 - patients on PLACEBO therapy in RHB-104-01 studyEXPERIMENTALSubjects who were on the active therapy arm in the RHB-104-01 clinical study will receive RHB-104 at 5 capsules twice a day in addition to the standard of care they received in the RHB-104-01 clinical study. The RHB-104 will be ramped up beginning at 1 capsule twice per day in week 1 increasing to 2 capsules twice per day in week 2, 3 capsules twice per day in week 3, 4 capsules per day in week 4 and achieving 5 capsules per day for the remainder of the study.
RHB-104ACTIVE_COMPARATOR5 RHB-104 capsules administered orally BID
PlaceboPLACEBO_COMPARATOR5 placebo capsules administered orally BID

Interventions

NameTypeDescription
RHB-104 (fixed-dose combination: 95 mg clarithromycin, 45 mg rifabutin, and 10 mg clofazimine)DRUGFor patients on ACTIVE or PLACEBO in the parent study (RHB-104-01), who were not in remission after 26 weeks
RHB-104DRUG95 mg clarithromycin, 45 mg rifabutin, and 10 mg clofazimine
PlaceboDRUG5 placebo capsules administered orally BID
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Eligibility Criteria

Age Range18 Years to 76 Years
SexALL
Healthy VolunteersNo
Study Sites24

Inclusion Criteria: * Signed fully informed consent (ICF) provided as per this protocol. * Participation in RHB-104-01 for 26 weeks, and a Crohn's Disease Activity Index (CDAI) score of ≥ 150 at Visit Week 26. OR * More than 26 weeks, with a CDAI ≥150 at Visit Week 26 and all subsequent visits, a...

Countries:United StatesCanadaCzechiaIsraelNew ZealandPolandSerbiaAustraliaBulgariaSlovakia
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Frequently asked questions about RHB-104

What is RHB-104?

RHB-104 is an investigational oral small molecule therapy developed by Redhill Biopharma Ltd. (ticker RDHL). It is a fixed-dose combination of 95 mg clarithromycin, 45 mg rifabutin, and 10 mg clofazimine. It has been studied in Crohn disease and relapsing remitting multiple sclerosis and remains in clinical development.

What is RHB-104 used for?

RHB-104 has been studied for the treatment of Crohn disease and relapsing remitting multiple sclerosis. Its clinical program has focused mainly on Crohn disease, where it was evaluated as anti-MAP therapy in adults. It is investigational and has not been approved for any indication.

Who makes RHB-104?

RHB-104 is developed by Redhill Biopharma Ltd., which trades under the ticker RDHL. The company is the sponsor of the clinical program studying the fixed-dose combination of clarithromycin, rifabutin, and clofazimine in Crohn disease and relapsing remitting multiple sclerosis.

What phase is RHB-104 in?

RHB-104 has reached Phase 3 in Crohn disease, with two completed Phase 3 trials, and was studied in a completed Phase 2 proof of concept trial in relapsing remitting multiple sclerosis. It is an investigational drug and is not approved by the FDA.

What clinical trials is RHB-104 in?

RHB-104 has been studied in completed trials including NCT01951326, a Phase 3 trial of anti-MAP therapy in adult Crohn disease with 331 participants, NCT03009396, a Phase 3 open label Crohn disease trial with 54 participants, and NCT01717664, a Phase 2 proof of concept trial in relapsing remitting multiple sclerosis with 18 participants.