Sierra Oncology to Hold Year End 2019 & 2020 Outlook Analyst & Investor Call

VANCOUVER, Feb. 26, 2020 /PRNewswire/ - Sierra Oncology, Inc. (SRRA), a late-stage drug development company focused on the registration and commercialization of momelotinib, a JAK1, JAK2 & ACVR1 inhibitor with a potentially differentiated therapeutic profile for the treatment of myelofibrosis, today announced that its financial results for 2019 will be released on Tuesday, March 3 prior to market open. The management team from Sierra, at 8:00 a.m. ET, will host a conference call to discuss the company's progress made in 2019 and its plans for 2020.

Analyst and Investor Call Information

Date and Time: Tuesday, March 3 at 8:00 am ET

Domestic (Toll Free- US): 1-888-394-8218
International (Toll): 1-323-701-0225
Conference ID: 1052679
Webcast Link: www.sierraoncology.com
Direct Link: http://public.viavid.com/index.php?id=137946

Call registration is available through the Sierra Oncology website at www.sierraoncology.com. An archive of the presentation will be accessible after the event through the Sierra Oncology website.

About Sierra Oncology

Sierra Oncology is a late stage drug development company focused on achieving the successful registration and commercialization of its lead product candidate, momelotinib. Momelotinib is a potent, selective and orally-bioavailable JAK1, JAK2 & ACVR1 inhibitor with a differentiated therapeutic profile in myelofibrosis encompassing robust constitutional symptom improvements, a range of meaningful anemia benefits, including eliminating or reducing the need for frequent blood transfusions, and comparable spleen control to ruxolitinib. More than 1,200 subjects have received momelotinib since clinical studies began in 2009, including more than 820 patients treated for myelofibrosis.

Sierra recently launched the MOMENTUM Phase 3 clinical trial, a randomized double-blind trial designed to enroll 180 myelofibrosis patients who are symptomatic and anemic, and who have been treated previously with a JAK inhibitor.

The U.S. Food and Drug Administration has granted Fast Track designation to momelotinib for the treatment of patients with intermediate/high-risk myelofibrosis who have previously received a JAK inhibitor. Momelotinib is wholly owned by Sierra Oncology and is protected by patents anticipated to provide potential exclusivity to 2040 in the United States and Europe (inclusive of potential Patent Term Extension or Supplementary Protection Certificate).

Sierra also retains the global commercialization rights to a portfolio of DNA Damage Response (DDR) assets, consisting of SRA737 and SRA141, and is conducting a campaign intended to seek non-dilutive strategic options to support their further advancement.

For more information, please visit www.sierraoncology.com.

Cautionary Note on Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to, statements regarding Sierra Oncology's expectations from current data, anticipated clinical development activities, expected timing of announcement of top-line data and registration of MOMENTUM, expected timing and success of enrollment of MOMENTUM, expected timing of the execution of, expected results from, non-dilutive strategic options, and potential benefits of Sierra Oncology's lead product candidate and other product candidates and Sierra Oncology's capitalization and sufficiency of its capital resources. All statements other than statements of historical fact are statements that could be deemed forward-looking statements. These statements are based on management's current expectations and beliefs and are subject to a number of risks, uncertainties and assumptions that could cause actual results to differ materially from those described in the forward-looking statements. Such forward-looking statements are subject to risks and uncertainties, including, among others, the risk that Sierra Oncology's cash resources may be insufficient to fund its current operating plans and it may be unable to raise additional capital when needed, Sierra Oncology may be unable to successfully develop and commercialize product candidates, product candidates may not demonstrate safety and efficacy or otherwise produce positive results, Sierra Oncology may experience delays in the preclinical and anticipated clinical development of its product candidates, Sierra Oncology may be unable to acquire additional assets to build a pipeline of additional product candidates, Sierra Oncology's third-party manufacturers may cause its supply of materials to become limited or interrupted or fail to be of satisfactory quantity or quality, Sierra Oncology may be unable to obtain and enforce intellectual property protection for its technologies and product candidates and the other factors described under the heading "Risk Factors" set forth in Sierra Oncology's filings with the Securities and Exchange Commission from time to time. Sierra Oncology undertakes no obligation to update the forward-looking statements contained herein or to reflect events or circumstances occurring after the date hereof, other than as may be required by applicable law.

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SOURCE Sierra Oncology