CRBP Overview

Biotech Stocks Performance: Several small-cap biotech and healthcare companies saw notable gains in after-hours trading, driven by recent corporate updates and clinical milestones.

Inspira Technologies Update: Inspira Technologies Oxy B.H.N. Ltd. rose 5.88% following a recent agreement for a registered direct offering and a Standby Equity Purchase Agreement, despite no new news on the day.

MediciNova's Clinical Trial Success: MediciNova, Inc. advanced 4.83% after successfully completing patient enrollment in its Phase 2 OXTOX study, which evaluates MN-166 for preventing chemotherapy-induced peripheral neuropathy.

DiaMedica's FDA Meeting: DiaMedica Therapeutics Inc. gained 2.89% after a productive pre-IND meeting with the FDA regarding its study of DM199 in preeclampsia, with an additional non-clinical study requested.

Corbus Pharmaceuticals Phase 1 Study Results: Corbus (CRBP) shares fell approximately 3% after reporting results from its phase 1 study of CRB-913, an oral treatment for chronic obesity, which included both single and multiple ascending dose cohorts.

Efficacy and Safety Findings: The multiple ascending dose cohort of obese patients experienced a mean placebo-adjusted weight loss of 2.9% by day 14, with the drug being well tolerated and no serious adverse events reported, although mild anxiety and irritability were noted in some patients.

Market Reaction and Financial Updates: Corbus's stock price dropped 17% following a $75 million fundraising effort priced at $13 per share, alongside a GAAP EPS loss of -$1.90, which missed expectations by $0.16.

Ongoing Developments: The company continues to focus on its drug development efforts, with discussions around data updates and insights from other studies, including those related to head and neck cancer.

Phase 1a Study Results: Corbus Pharmaceuticals announced positive results from its Phase 1a study of CRB-913, an oral CB1 inverse agonist for chronic obesity management, showing safety, tolerability, and a placebo-adjusted mean weight loss of 2.9% in participants.

Upcoming Phase 1b Study: The encouraging Phase 1a results support the initiation of the CANYON-1 Phase 1b study, which will involve 240 obese, non-diabetic participants over 12 weeks to evaluate different dosing regimens.

Safety Profile: CRB-913 is designed to minimize brain penetration, addressing safety concerns associated with previous drugs in its class, and has shown to be significantly less brain-penetrant compared to competitors.

Broader Pipeline and Stock Performance: Corbus's pipeline includes other candidates like CRB-701 and CRB-601, while the company's stock has seen significant fluctuations, currently trading at $13.77, up 34.17%.

CRB-913 Presentation: Corbus Pharmaceuticals will present results from its Phase 1a study of CRB-913, an oral CB1 inverse agonist for obesity treatment, during a webcast on December 11, 2025.

Obesity Treatment Challenges: Obesity is a significant global health issue with few safe pharmacological options; previous CB1 inverse agonists were withdrawn due to neuropsychiatric side effects.

CRB-913's Safety Profile: CRB-913 is designed to be a second-generation CB1 inverse agonist with reduced brain penetration, showing a 15-fold lower brain penetration compared to monlunabant and a 50 times lower brain:plasma ratio than rimonabant.

Financial Status: As of September 30, 2025, Corbus had $104 million in cash and investments, with a recent public offering expected to extend its cash runway into 2028; the stock is currently trading at $11.82, up 15.20%.