-- BMI and hyperphagia reductions have been observed in patients with PWS treated with setmelanotide at Month 3 (n=8) and Month 6 (n=5); 17 of 18 enrolled patients remain on therapy -- -- Promising results supportive of Phase 3, registrational trial of setmelanotide in PWS -- -- Company initiated Phase 1, Part D study to evaluate weekly MC4R agonist RM-718 in patients with PWS -- -- Company to hold conference call on Thursday, December 11 at 8:00 a.m. -- BOSTON, Dec. 11, 2025 (GLOBE NEWSWIRE) -- Rhythm P ...

Core Viewpoint - Rhythm Pharmaceuticals has announced an extension of the FDA review period for the supplemental New Drug Application (sNDA) for IMCIVREE® (setmelanotide) by three months, moving the PDUFA goal date from December 20, 2025, to March 20, 2026 [1][2] Company Overview - Rhythm Pharmaceuticals is a commercial-stage biopharmaceutical company focused on rare neuroendocrine diseases, with its lead product IMCIVREE® (setmelanotide) aimed at treating acquired hypothalamic obesity [1][6] - Setmelanotide is already approved by the FDA for reducing excess body weight in patients aged 2 years and older with specific genetic obesity syndromes [6][7] Regulatory Update - The FDA requested additional sensitivity analyses of clinical efficacy data from Rhythm's Phase 3 pivotal trial, which has been classified as a 'major amendment' allowing for an extended review period [2] - No new safety or manufacturing data was requested by the FDA, indicating that the focus remains on the efficacy data [2] Management Commentary - David Meeker, CEO of Rhythm, expressed confidence in the product profile of setmelanotide and the ongoing collaboration with the FDA to bring the treatment to patients who currently lack approved options [3] Conference Call Information - Rhythm Pharmaceuticals will hold a conference call and webcast to discuss the update at 8:00 a.m. ET, with registration recommended ten minutes prior to the start [4][5]

Core Viewpoint - Rhythm Pharmaceuticals, Inc. is set to report its third quarter 2025 financial results and provide a corporate update on November 4, 2025, at 8:00 a.m. ET [1] Company Overview - Rhythm Pharmaceuticals is a commercial-stage biopharmaceutical company focused on rare neuroendocrine diseases [3] - The company's lead product, IMCIVREE® (setmelanotide), is an MC4R agonist approved by the FDA for treating obesity related to specific genetic conditions [3][4] - Setmelanotide is indicated for patients aged 2 years and older with syndromic or monogenic obesity due to Bardet-Biedl syndrome (BBS) or deficiencies in POMC, PCSK1, or LEPR [4][5] Upcoming Events - Rhythm will host a live conference call and webcast for its financial results on November 4, 2025 [1] - The company will also participate in two fireside chats on November 12, 2025, at the Guggenheim Healthcare Innovation Conference and the Stifel Healthcare Conference [7] Product Indications - In the U.S., setmelanotide is indicated for long-term weight reduction in patients with specific genetic obesity conditions [4] - In the EU and UK, it is indicated for obesity treatment and hunger control associated with genetically confirmed BBS or related deficiencies [5] Limitations and Contraindications - Setmelanotide is not indicated for obesity due to benign variants of POMC, PCSK1, or LEPR [6][8] - Serious hypersensitivity reactions have been reported, contraindicating its use in patients with prior serious hypersensitivity to the drug [9] Warnings and Precautions - Patients may experience disturbances in sexual arousal, depression, and hypersensitivity reactions [10][11][12] - Skin hyperpigmentation and the development of new melanocytic nevi have been observed, necessitating regular skin examinations [13] Adverse Reactions - Common adverse reactions (≥20% incidence) include skin hyperpigmentation, injection site reactions, nausea, headache, and depression [15]

Core Viewpoint - Rhythm Pharmaceuticals, Inc. is set to report its second quarter 2025 financial results and provide a corporate update on August 5, 2025, highlighting its focus on rare neuroendocrine diseases and the development of its lead asset, setmelanotide [1][4]. Company Overview - Rhythm Pharmaceuticals is a commercial-stage biopharmaceutical company dedicated to transforming the lives of patients with rare neuroendocrine diseases [4]. - The company's lead product, IMCIVREE® (setmelanotide), is an MC4R agonist approved by the FDA for reducing excess body weight and maintaining weight reduction in patients aged 2 years and older with specific genetic obesity conditions [4][5]. - Setmelanotide is also authorized by the European Commission and the UK's MHRA for similar indications in adults and children [4][6]. Upcoming Events - Rhythm Pharmaceuticals will host a live conference call and webcast on August 5, 2025, at 8:00 a.m. ET to discuss its financial results [1]. - Alastair Garfield, Chief Scientific Officer, and David Connolly, Head of Investor Relations, will participate in a fireside chat at the Canaccord Genuity 45th Annual Growth Conference on August 13, 2025, at 12:30 p.m. ET [2]. Product Indications - In the U.S., setmelanotide is indicated for patients with syndromic or monogenic obesity due to Bardet-Biedl syndrome (BBS) or deficiencies in POMC, PCSK1, or LEPR [5]. - In the EU and UK, it is indicated for obesity treatment and hunger control associated with genetically confirmed BBS or loss-of-function biallelic POMC, including PCSK1 and LEPR deficiencies [6]. Clinical Development - Rhythm is advancing a broad clinical development program for setmelanotide in other rare diseases and is also exploring investigational MC4R agonists, bivamelagon and RM-718, along with a preclinical suite of small molecules for congenital hyperinsulinism [4].