Pipeline

RedHill is advancing a diversified mid-to-late-stage clinical development pipeline of proprietary oral small molecule candidates with multiple near-term milestones across multiple therapeutic areas, including gastroenterology, infectious disease and oncology. 

Drug Candidate Pre-Clinical Phase 1 Phase 2 Phase 3 NDA
Opaganib

Opaganib, an investigational drug, is a proprietary oral small molecule sphingosine kinase-2 (SPHK2) selective inhibitor with potential for broad activity across oncology, infectious diseases and metabolic disorders, with additional evaluation ongoing for opaganib as a radioprotectant.

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Prostate cancer
Phase 2 study

Opaganib is undergoing a Phase 2 study in combination with Bayer’s darolutamide in men with metastatic castration-resistant prostate cancer (mCRPC) and has completed a prior investigator-sponsored Phase 2 study evaluating its safety and efficacy in progressive mCRPC treated with androgen-signaling blockers, abiraterone or enzalutamide.

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Cholangiocarcinoma
Phase 2 study

Opaganib completed a single-arm Phase 2a clinical study in patients with advanced, unresectable cholangiocarcinoma and has been granted FDA Orphan Drug Designation for this indication.

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Acute respiratory distress syndrome (ARDS), including COVID-19 and influenza
Phase 2/3 COVID-19 (ARDS)

Opaganib is being evaluated for its potential to treat acute respiratory distress syndrome (ARDS) caused by viruses such as COVID-19 and influenza. Data from the global Phase 2/3 study in hospitalized patients with severe COVID-19 pneumonia offer a compelling rationale for further investigation into opaganib’s potential in treating virus-induced ARDS, potentially supporting a Phase 2/3 study in this indication.

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Ebola virus
Preclinical stage
Gastrointestinal acute radiation syndrome
Preclinical stage

Opaganib is being evaluated as a potential new therapeutic approach to treat gastrointestinal acute radiation syndrome (GI-ARS), with development intended to follow the FDA Animal Rule.

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RHB-204

RHB-204 is an investigational, proprietary, fixed-dose, orally administered, antibiotic combination therapy targeting Crohn’s disease in Mycobacterium avium subspecies paratuberculosis-positive (MAP+) patients. It is a next-generation formulation of RedHill’s RHB-104, which demonstrated positive results in a Phase 3 Crohn’s disease study, meeting both primary and secondary endpoints. RHB-204 combines the same antimicrobial agents as RHB-104 with potent intracellular, anti-mycobacterial, and anti-inflammatory properties, but with an optimized dosing profile designed to support enhanced tolerability, safety and adherence.

RHB-204 also has potential for the treatment of pulmonary nontuberculous mycobacterial (NTM) disease caused by Mycobacterium avium complex (MAC).

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Crohn’s disease
Phase 2 study planned

An innovative Phase 2 study of RHB-204 is planned in patients with moderate to severe Crohn’s disease who test positive for Mycobacterium avium subspecies paratuberculosis (MAP).

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NTM disease
Phase 3-stage

A previously ongoing U.S. Phase 3 study evaluating RHB-204 for the treatment of pulmonary nontuberculous mycobacterial (NTM) disease caused by Mycobacterium avium complex (MAC) was terminated due to a low patient accrual rate.

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RHB-107

RHB-107 (INN: upamostat) is a first-in-class, once-daily, orally administered serine protease inhibitor targeting multiple potential indications, including viral infections such as COVID-19 and influenza, oncology and inflammatory gastrointestinal diseases.

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COVID-19
Phase 2 study

RHB-107 completed a positive U.S. Phase 2 study in non-hospitalized symptomatic COVID-19 patients, which evaluated the safety and tolerability profile of RHB-107, along with efficacy signals.

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RHB-102

RHB-102 is a proprietary bimodal immediate and extended-release, once-daily, oral tablet formulation of the antiemetic drug ondansetron, a 5-HT3 antagonist, targeting GLP-1/GIP-associated GI intolerance, acute gastroenteritis and gastritis, IBS-D and oncology support.

RHB-102 is being developed by our partner Hyloris Pharmaceuticals outside of North America. Learn more.

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GLP-1/GIP-associated GI Intolerance
Planned Phase 2 proof-of-concept study
Gastroenteritis and gastritis
Completed positive U.S. Phase 3 study

RHB-102 (24 mg) successfully completed a randomized, double-blind, placebo-controlled U. S. Phase 3 study meeting the primary outcome measure, demonstrating its safety and efficacy in the treatment of acute gastroenteritis and gastritis.

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IBS-D
Completed positive U.S. Phase 2 study

RHB-102 (12 mg) successfully completed a positive randomized, double-blind, placebo controlled U.S. Phase 2 study meeting the primary outcome measure, demonstrating its safety and efficacy in the treatment of diarrhea-predominant irritable bowel syndrome (IBS-D).

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Oncology Support
UK MAA planned

RHB-102 (24 mg) is in development for the management of chemotherapy and radiotherapy induced nausea and vomiting (also referred to as CINV and RINV) in the UK by our partner, Hyloris Pharmaceuticals.

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* Estimated timeline/indication in the pipeline is subject to changes in development plans and regulatory requirements/ clarifications, including complementary /additional studies.

** The safety and efficacy of the agents for the indications under investigation have not been established.