Molecular Partners Provides Update from ACTIV-3 Global Clinical Study of Ensovibep in Patients Hospitalized with COVID-19
- Following the futility analysis, the independent Data and Safety Monitoring Board (DSMB) recommends that the recruitment of patients in the ensovibep arm of ACTIV-3 not continue in hospitalized patients
- The global phase 2-3 EMPATHY study in non-hospitalized patients is still ongoing with topline data from phase 2b expected in early 2022
ZURICH-SCHLIEREN, Switzerland and CONCORD, Mass., Nov. 16, 2021 (GLOBE NEWSWIRE) -- Ad hoc announcement pursuant to Art. 53 LR:
Molecular Partners AG (SIX: MOLN; NASDAQ: MOLN), a clinical-stage biotech company developing a new class of custom-built protein drugs known as DARPin therapeutics, today announced that a planned futility analysis of ensovibep in the ongoing ACTIV-3 clinical study (NCT04501978) has not met the thresholds required to continue enrollment of adults with COVID-19 in the hospitalized setting. This global Phase 3 ACTIV-3 platform study is being conducted by the National Institutes of Health (NIH) as part of its Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) program. ACTIV is evaluating multiple therapies for COVID-19 to see what, if any, benefit can be seen over current standard of care. At the time of the analysis, 470 patients had been randomized in the ensovibep arm of the study. Ensovibep was observed to be generally safe and well tolerated with reported side effects consistent with standard of care.
“Demonstrating efficacy in hospitalized patients with COVID-19 has proven particularly challenging for antiviral therapies, with most investigational agents tested so far in the ACTIV-3 study not passing futility criteria – potentially due to the multi-systemic inflammatory component of late-stage COVID-19 disease. We wish to thank our collaborators and patients for participating in this study. When available, we will share any potential learnings to better inform this population, which is still in great need for treatment options,” said Patrick Amstutz, Ph.D., Molecular Partners’ CEO. “We are encouraged that ensovibep’s safety profile continues to be supported, and we are now focused on its performance for patients in earlier stages of the disease. Ensovibep’s unique mechanism has the potential to meaningfully expand the medical toolkit in our collective fight against the ongoing pandemic, particularly in the face of global under-vaccination and the threat posed by continual new viral strains where we continue to retain potency.”
Molecular Partners and Novartis are collaborating on the development of ensovibep and are evaluating it in another global late-stage study, EMPATHY, which is designed to assess ensovibep’s ability to rapidly reduce viral load and prevent worsening of symptoms and hospitalization of patients who are in the early stages of disease. Novartis is conducting EMPATHY with Molecular Partners as sponsor, with topline interim data for the first 400 patients expected in early 2022.
Ensovibep is the lead therapeutic candidate in Molecular Partners’ infectious disease pipeline. As a DARPin therapeutic candidate, it is designed to target SARS-CoV-2’s spike protein at three sites to limit viral escape via mutation. In vitro data to-date demonstrate that ensovibep retains potency in inhibiting all known SARS-CoV-2 variants of concern, including the Delta variants. Molecular Partners has also initiated assessment of ensovibep when administered subcutaneously to complement the global registrational studies presently underway using administration via infusion.
About Molecular Partners AG
Molecular Partners AG is a clinical-stage biotech company developing DARPin therapeutics, a new class of custom-built protein drugs designed to address challenges current modalities cannot. The Company has formed partnerships with leading pharmaceutical companies to advance DARPin therapeutics in the areas of ophthalmology, oncology and infectious disease, and has compounds in various stages of clinical and preclinical development across multiple therapeutic areas. www.molecularpartners.com; Find us on Twitter - @MolecularPrtnrs
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