Rhythm Pharmaceuticals, Inc. · NASDAQ:RYTM

Rhythm Pharmaceuticals — ESPE 2021

14 slides from Rhythm Pharmaceuticals's conference presentation, September 2021

  1. Slide 1: Phase 3 Trial of Setmelanotide in Participants With Bardet-Biedl Syndrome: Placebo-Controlled Results

    Phase 3 Trial of Setmelanotide in Participants With Bardet-Biedl Syndrome: Placebo-Controlled Results Jesús Argente,1,2 Karine Clément,3,4 Hélène Dollfus,5 Joan C. Han,6 Andrea M. Haqq,7 Gabriel Á. Martos-Moreno,1 Robert S. Mittleman,8 Murray Stewart,8 Matt Webster,8 Jack A. Yanovski,9 Guojun Yuan,8

  2. Slide 2: ESPE 2021 Online Conflict of Interest

    ESPE 2021 Online Conflict of Interest Name: Jesús Argente  I have the following potential conflicts of interest to report:  Research contracts  Consulting  Employment in the industry  Stockholder of a healthcare company  Owner of a healthcare company X Other(s) – Payment for lectures and parti

  3. Slide 3: Disclosures

    Disclosures This study was sponsored by Rhythm Pharmaceuticals, Inc. ESPE 2021 ● September 22-26, 2021 3

  4. Slide 4: Energy Regulation in Bardet-Biedl Syndrome

    Energy Regulation in Bardet-Biedl Syndrome • Bardet-Biedl syndrome (BBS) is a rare autosomal Mechanism of energy balance regulation by different pleiotropic and multigenic syndrome involving POMC neuron populations6 primary cilia dysfunction1-3 • Individuals with variants in BBS-associated genes POM

  5. Slide 5: Setmelanotide Treatment Demonstrates Weight and Hunger Benefits After 1 Year in Patients With BBS

    Setmelanotide Treatment Demonstrates Weight and Hunger Benefits After 1 Year in Patients With BBS Body Weight and BMI Z Score Change From Baseline at Week 52 With Setmelanotide: Phase 3 Trial of Individuals With BBS1 • In a preliminary analysis of a Phase 3 trial in Age group Metric Absolute (percen

  6. Slide 6: Phase 3 Trial to Evaluate Setmelanotide in Individuals With BBS

    Phase 3 Trial to Evaluate Setmelanotide in Individuals With BBS Double-blind treatment period Open-label treatment Primary analysis End of study Treatment periods included in Setmelanotide Setmelanotideb primary analysis 3 mga 3 mga Screening and Included 1:1 randomization Placebo Setmelanotidec Not

  7. Slide 7: Phase 3 Trial Endpoints

    Phase 3 Trial Endpoints Primary endpoint Key secondary endpoints Additional secondary endpoints Week 52 Week 52 Week 14a • Proportion of all participants achieving ≥10% weight loss • Mean percent change from baseline • Mean percent change in body in body weight in participants ≥12 weight with setmel

  8. Slide 8: Disposition and Baseline Demographics of Patients With BBS

    Disposition and Baseline Demographics of Patients With BBS Enrolled N=32 Setmelanotide Placebo Total Baseline characteristics (N=16) (N=16) (N=32) Age, years Mean (SD) 19.1 (9.8) 21.2 (10.7) 20.2 (10.2) Range 7–42 10–44 7–44 Treated Age group, n (%) N=32 ≥12 years 14 (87.5) 15 (93.8) 29 (90.6) Disco

  9. Slide 9: Setmelanotide Led to Significant Weight Loss Compared With Placebo in Participants Age ≥12 Years With BBS

    Setmelanotide Led to Significant Weight Loss Compared With Placebo in Participants Age ≥12 Years With BBS Percent Weight Change From Baseline At Week 14, participants with Setmelanotide Placebo BBS age ≥12 years treated N=14 N=15 with setmelanotide lost an 0 Average change in body weight, % average

  10. Slide 10: BMI at Week 14 Was Significantly Reduced With Setmelanotide Treatment Versus Placebo

    BMI at Week 14 Was Significantly Reduced With Setmelanotide Treatment Versus Placebo in Patients With BBS Percent BMI Change From Baseline Setmelanotide Placebo In all patients with BBS, those N=16 N=16 treated with setmelanotide 1 achieved an average BMI reduction -1 of −1.5 kg/m2 (−3.8%) more at A

  11. Slide 11: Setmelanotide Treatment Led to Reduced Hunger Compared With Placebo

    Setmelanotide Treatment Led to Reduced Hunger With 14 Weeks of Treatment in Participants ≥12 Years With BBS Compared With Placebo Weekly Average “Most Hunger” Score Weekly Average “Most Percent Change at Week 14 Hunger” Score Percent Change Setmelanotide Placebo From Baseline to Week 14 N=14 N=15 0

  12. Slide 12: Rates of Common AEs Were Generally Similar Between Setmelanotide and Placebo

    Rates of Common AEs Were Generally Similar Between Setmelanotide and Placebo During the Double-Blind Period AEs occurring in the double-blind period, n Setmelanotide Placebo Total (%) N=16 N=16 N=32 Treatment-emergent AEs occurring in ≥15% of participants Injection site erythema 8 (50.0) 7 (43.8) 15

  13. Slide 13: Setmelanotide Was Generally Well Tolerated in Patients With BBS

    Setmelanotide Was Generally Well Tolerated in Patients With BBS During the 14-Week Double-Blind Period Setmelanotide Placebo Total AEs, n (%) N=16 N=16 N=32 Treatment-related AEs 14 (87.5) 14 (87.5) 28 (87.5) Serious AEs 0 2 (12.5) 2 (6.3) Serious treatment-related AEs 0 1 (6.3) 1 (3.1) AEs leading

  14. Slide 14: Summary and Conclusions

    Summary and Conclusions • Overall, participants with BBS lost on average 3.2% of their body weight from baseline at Week 14, compared with negligible weight loss with placebo • Setmelanotide significantly reduced “most hunger” compared with placebo at Week 14 in participants with BBS • Setmelanotide

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