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February 11, 2016 3:45 PM ET


Company Overview of Rhythm Pharmaceuticals, Inc.

Company Overview

Rhythm Pharmaceuticals, Inc. operates as a biopharmaceutical company. The company develops peptide therapeutics for the treatment of gastrointestinal (GI) diseases; and obesity, including obesity caused by genetic deficiencies in the MC4 pathway. Its portfolio includes relamorelin (RM-131), a ghrelin peptide agonist for the treatment of diabetic gastroparesis, a GI complication of diabetes and other GI functional disorders; and RM-493, a melanocortin-4 (MC4) receptor agonist for the treatment of obesity and obesity caused by genetic deficiencies in the MC4 pathway. Rhythm Pharmaceuticals, Inc. was founded in 2008 and is based in Boston, Massachusetts.

855 Boylston Street

11th Floor

Boston, MA 02116

United States

Founded in 2008





Key Executives for Rhythm Pharmaceuticals, Inc.

Chairman and Chief Executive Officer
Age: 61
Founder and President
Age: 56
Founder and Chief Development Officer
Age: 65
Chief Scientific Officer
Age: 60
Compensation as of Fiscal Year 2015.

Rhythm Pharmaceuticals, Inc. Key Developments

Rhythm Announces Executives Appointments

Rhythm reported that the company has appointed David Meeker, MD, and David McGirr to its Board of Directors. Dr. Meeker is President and Chief Executive Officer of Genzyme, and McGirr is former Chief Financial Officer of Cubist Pharmaceuticals.

Rhythm Appoints David Meeker, MD, David McGirr to Board of Directors

Rhythm announced that the company has appointed David Meeker, MD, and David McGirr to its Board of Directors. Dr. Meeker is President and Chief Executive Officer of Genzyme, and Mr. McGirr is former Chief Financial Officer of Cubist Pharmaceuticals. David Meeker, MD, is President and Chief Executive Officer of Genzyme. David McGirr was a Senior Advisor to the Chief Executive Officer of Cubist Pharmaceuticals until June 2014 and a Senior Vice President and Chief Financial Officer of Cubist from 2002 to 2013.

Rhythm Pharmaceuticals, Inc. Presents Positive Data from Phase 1B Study of Setmelanotide for the Treatment of Genetic Obesity

Rhythm Pharmaceuticals, Inc. announced the results from a proof-of-concept, Phase 1b clinical trial assessing the safety and efficacy of setmelanotide (RM-493), the company's novel melanocortin-4 receptor (MC4R) agonist, in obese patients with a heterozygous genetic defect in MC4R. The trial demonstrated that after four weeks of treatment, setmelanotide reduced weight in patients with an MC4R heterozygous deficiency obesity, with good tolerability. The study results were featured in an oral presentation at the ObesityWeek 2015 conference in Los Angeles. Setmelanotide activates MC4R, which is part of the key pathway that can independently regulate energy homeostasis and appetite. The critical role of the MC4 pathway in weight regulation was validated with the discovery that single genetic defects along this pathway result in early onset and severe obesity. An expanding set of severe obesity genetic defects are now identified that involve genes in the pathway that are either upstream of MC4R—specifically, pro-opiomelanocortin (POMC) deficiency obesity, leptin receptor deficiency obesity, and likely Prader-Willi Syndrome (PWS)—or genes that are downstream of MC4R or that affect MC4R itself. In this pilot study, obese (BMI >/= 30kg/m2) patients with a heterozygous MC4R loss-of-function mutation were enrolled in a double-blind, placebo-controlled, randomized, parallel-group study for 4 weeks. Eight patients (six active, two placebo) received placebo or RM-493 at 0.01 mg/kg/day by continuous subcutaneous infusion. Key endpoints were safety, weight loss, waist circumference, and caloric intake. Setmelanotide was well tolerated over 4 weeks, with no serious adverse events or discontinuations. The most common side effects were headache and skin tanning, with the latter believed to be due to off-target activity at the related melanocortin-1 receptor. Setmelanotide demonstrated strong trends for placebo-subtracted weight loss (-2.62 kg; p=0.088); WC (-5.1 cm; p=0.188) and daily caloric intake (-351 kCal/day; p=not significant), without clinically important effects on heart rate or blood pressure.

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