-- Appointed David Meeker, M.D., as President and Chief Executive Officer –

-- FDA granted rare pediatric disease designations for setmelanotide for the treatment of POMC and LEPR deficiency obesities --

-- Submitted MAA to EMA for setmelanotide in POMC and LEPR deficiency obesities --

-- Received FDA acceptance of NDA for setmelanotide for POMC and LEPR deficiency obesities for filing; assigned PDUFA goal date of November 27, 2020 –

-- On track to announce topline data from pivotal Phase 3 trial of setmelanotide in BBS and Alström syndrome in fourth quarter of 2020 or early in the first quarter of 2021 --

BOSTON, Aug. 03, 2020 (GLOBE NEWSWIRE) -- Rhythm Pharmaceuticals, Inc. (Nasdaq:RYTM), a late-stage biopharmaceutical company aimed at developing and commercializing therapies for the treatment of rare genetic disorders of obesity, today reported financial results and provided a business update for the second quarter ended June 30, 2020.

“Rhythm has made tremendous regulatory and clinical progress on its path to bring the first approved therapy to individuals living with rare genetic disorders of obesity,” said David Meeker, M.D., Chair, President and Chief Executive Officer of Rhythm. “The potential approval of setmelanotide for the treatment of pro-opiomelanocortin (POMC) and leptin receptor (LEPR) deficiency obesities will validate the melanocortin-4 receptor (MC4R) pathway as an important therapeutic target, and we look forward to furthering our ongoing efforts, with pivotal data from our Phase 3 clinical trial in Bardet-Biedl syndrome (BBS) and Alström syndromes expected in the fourth quarter or early in 2021 and the continued expansion of our ongoing Phase 2 Basket study.”

Dr. Meeker continued, “We are energized by the opportunity to help individuals living with rare genetic disorders of obesity, who currently have no meaningful treatment options for their severe obesity or insatiable hunger. Looking ahead, we are eager to complete our transformation into an integrated, patient-focused organization while continuing to advance our community building and patient engagement efforts.”

Second Quarter 2020 and Recent Business Highlights:

Pipeline and Recent Developments:

POMC and LEPR Deficiency Obesities

Additional Development Pipeline Updates

Corporate:

Upcoming Milestones:

Second Quarter 2020 Financial Results:

Year to Date 2020 Financial Results:

About Rhythm Pharmaceuticals
Rhythm is a late-stage biopharmaceutical company focused on the development and commercialization of therapies for the treatment of rare genetic disorders of obesity. The FDA has accepted for filing an NDA for setmelanotide for the treatment of POMC deficiency obesity and LEPR deficiency obesity with Priority Review and assigned a PDUFA goal date of November 27, 2020. Rhythm also submitted an MAA for setmelanotide to treat individuals living with POMC deficiency obesity or LEPR deficiency obesity to the EMA in June 2020.  Rhythm is also evaluating setmelanotide for reduction in hunger and body weight in a pivotal Phase 3 trial in people living with Bardet-Biedl and Alström syndromes, with topline data from this trial expected in the fourth quarter of 2020 or early in the first quarter of 2021. Rhythm is leveraging the Rhythm Engine -- comprised of its Phase 2 basket study, TEMPO Registry, GO-ID genotyping study and Uncovering Rare Obesity program -- to improve the understanding, diagnosis and potentially the treatment of rare genetic disorders of obesity. For healthcare professionals, visit www.UNcommonObesity.com for more information. For patients and caregivers, visit www.LEADforRareObesity.com for more information. The company is based in Boston, MA.

Forward-Looking Statements
This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this press release that do not relate to matters of historical fact should be considered forward-looking statements, including without limitation statements regarding the potential, safety, efficacy, and regulatory and clinical progress of setmelanotide, expectations regarding regulatory approval, the anticipated timing for release of clinical trial data, our ongoing efforts related to patient identification and genetic sequencing and timing thereof, and the and the sufficiency of our cash, cash equivalents and short-term investments to fund our operations. Statements using word such as “expect”, “anticipate”, “believe”, “may”, “will” and similar terms are also forward-looking statements.  Such statements are subject to numerous risks and uncertainties, including, but not limited to, the impact of our management transition, our ability to enroll patients in clinical trials, the design and outcome of clinical trials, the impact of competition, the ability to achieve or obtain necessary regulatory approvals, risks associated with data analysis and reporting, our liquidity and expenses, the impact of the COVID-19 pandemic on our business and operations, including our preclinical studies, clinical trials and commercialization prospects, and general economic conditions, and the other important factors discussed under the caption “Risk Factors” in our Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2020 and our other filings with the Securities and Exchange Commission. Except as required by law, we undertake no obligations to make any revisions to the forward-looking statements contained in this release or to update them to reflect events or circumstances occurring after the date of this release, whether as a result of new information, future developments or otherwise.

Rhythm Pharmaceuticals, Inc.
Condensed Consolidated Statements of Operations and Comprehensive Loss

(in thousands, except share and per share data)

 (Unaudited)

              
   Three months ended June 30,  Six months ended June 30, 
   2020  2019  2020  2019 
Operating expenses:             
Research and development  $ 22,997  $ 35,308  $ 45,501  $ 58,069 
Selling, general, and administrative    8,921    8,841    21,717    16,600 
Total operating expenses    31,918    44,149    67,218    74,669 
Loss from operations    (31,918)   (44,149)   (67,218)   (74,669)
Other income (expense):             
Interest income, net    801    1,353    1,937    2,899 
Total other income, net    801    1,353    1,937    2,899 
Net loss  $ (31,117) $ (42,796) $ (65,281) $ (71,770)
Net loss per share, basic and diluted  $ (0.71) $ (1.24) $ (1.48) $ (2.08)
Weighted-average common shares outstanding, basic and diluted    44,098,860    34,452,661    44,074,352    34,435,023 
              
Other comprehensive loss:             
Net loss  $ (31,117) $ (42,796) $ (65,281) $ (71,770)
Unrealized gain on marketable securities    567    —    630    — 
Comprehensive loss  $ (30,550) $ (42,796) $ (64,651) $ (71,770)

Rhythm Pharmaceuticals, Inc.
Condensed Consolidated Balance Sheets

(in thousands, except share data)

(Unaudited)

      
  June 30,  December 31, 
  2020 2019
       
Assets      
Current assets:      
Cash and cash equivalents $ 59,091  $ 62,294 
Short-term investments   169,535    230,165 
Prepaid expenses and other current assets   9,193    9,945 
Total current assets   237,819    302,404 
Property and equipment, net   3,331    3,671 
Right-of-use asset   1,932    2,045 
Restricted cash   403    403 
Total assets $ 243,485  $ 308,523 
Liabilities and stockholders’ equity      
Current liabilities:      
Accounts payable $ 4,761  $ 10,415 
Accrued expenses and other current liabilities   9,640    13,530 
Lease liability   503    472 
Total current liabilities   14,904    24,417 
Long-term liabilities:      
Lease liability   2,828    3,086 
Total liabilities   17,732    27,503 
Commitments and contingencies      
Stockholders’ equity:      
Preferred Stock, $0.001 par value: 10,000,000 shares authorized; no shares issued and outstanding at June 30, 2020 and December 31, 2019   —    — 
Common stock, $0.001 par value: 120,000,000 shares authorized; 44,115,612 and 43,996,753 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively   44    44 
Additional paid-in capital   615,691    606,307 
Accumulated other comprehensive income   630    — 
Accumulated deficit   (390,612)   (325,331)
Total stockholders’ equity   225,753    281,020 
Total liabilities and stockholders’ equity $ 243,485  $ 308,523 

Corporate Contact:
David Connolly
Head of Investor Relations and Corporate Communications
Rhythm Pharmaceuticals, Inc.
857-264-4280
dconnolly@rhythmtx.com

Investor Contact:
Hannah Deresiewicz
Stern Investor Relations, Inc.
212-362-1200
hannah.deresiewicz@sternir.com

Media Contact:
Adam Daley
Berry & Company Public Relations
212-253-8881
adaley@berrypr.com