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SOUTH SAN FRANCISCO, Calif., Oct. 03, 2019 (GLOBE NEWSWIRE) -- Catalyst Biosciences, Inc. (NASDAQ: CBIO), today provided an update on enrollment in its Phase 2b study of dalcinonacog alfa (DalcA), a next-generation subcutaneously (SQ) administered Factor IX (FIX) therapy being developed for the treatment of hemophilia B. Two subjects have completed dosing and washout, Factor IX levels in these two subjects exceeded the trial efficacy endpoint of >12% activity and no anti-drug antibodies were detected. Enrollment is ongoing and the Company anticipates reporting final data in the first half of 2020.
“We believe that DalcA may offer a conveniently-dosed subcutaneous prophylactic treatment option that could significantly improve the quality of life for those suffering from severe hemophilia B,” said Nassim Usman, Ph.D., president and chief executive officer of Catalyst. “We are very pleased with the FIX activity and lack of ADAs obtained and look forward to providing final data in the first half of 2020.”
The open-label Phase 2b study is evaluating the ability of DalcA to maintain steady state FIX levels above 12% in individuals with severe hemophilia B. The trial is expected to enroll up to six completing subjects who will receive a single intravenous dose, followed by daily subcutaneous (SQ) doses of DalcA for 28 days. Pharmacokinetics, pharmacodynamics, safety and tolerability of daily SQ dosing and anti-drug antibody formation are being monitored. The trial is actively enrolling and study participants have been identified.
Nassim Usman, Ph.D., president and chief executive officer of Catalyst Biosciences, is presenting a corporate overview at the Cantor 2019 Global Healthcare Conference at 8:20 a.m. ET today, October 3, 2019, in New York. To access a live webcast of the presentation, please visit http://wsw.com/webcast/cantor10/cbio/. An archived webcast of the presentation will be available for 90 days on the Events and Presentations section on the Company’s website.
About Catalyst Biosciences
Catalyst is a clinical-stage biopharmaceutical company developing novel medicines to address hematology indications. Catalyst has engineered a portfolio of compounds that have increased potency over the naturally occurring proteases. Catalyst is focused on the field of hemostasis, including the subcutaneous treatment of hemophilia and facilitating surgery in individuals with hemophilia. For more information, please visit www.catalystbiosciences.com.
This press release may contain forward-looking statements that involve substantial risks and uncertainties. Forward-looking statements include statements about the potential uses and benefits of Catalyst’s products in development to address hemophilia indications, statements about Catalyst’s clinical trial plans for DalcA, the timing of the clinical trial, anticipated reporting of data in the first half of 2020, and the potential for the DalcA 2b trial to meet its endpoints. Actual results or events could differ materially from the plans, intentions, expectations and projections disclosed in the forward-looking statements. Various important factors could cause actual results or events to differ materially, including, but not limited to, the risk that trials and studies may be delayed and may not have satisfactory outcomes, that additional human trials will not replicate the results from earlier trials, that potential adverse effects may arise from the testing or use of DalcA or MarzAA, including the generation of antibodies, which has been observed in patients previously treated with DalcA, the risk that costs required to develop or manufacture the Company’s products will be higher than anticipated, competition and other factors that affect the Company’s ability to establish collaborations on commercially reasonable terms and other risks described in the “Risk Factors” section of the Company’s annual report filed with the Securities and Exchange Commission on March 8, 2019, and in other filings with the Securities and Exchange Commission. The Company does not assume any obligation to update any forward-looking statements, except as required by law.
Catalyst Biosciences, Inc.