PTC Therapeutics Announces the Initiation of a Phase 2/3 Clinical Trial to Evaluate PTC299 for the Treatment of COVID-19
"We are excited about the potential of PTC299 to be part of the solution to this unprecedented global public health crisis and have made it a high priority within our organization," said
PTC299 is an oral, small molecule tablet that inhibits the cellular enzyme DHODH which is used to produce the RNA building blocks for the production of SARS-CoV-2. PTC299 has demonstrated potent inhibition of viral replication in SARS-CoV-2 cell based assays, which has led to PTC moving rapidly into the clinic. A number of RNA viruses require the same building blocks, which explains why in preclinical tests PTC299 has shown broad-spectrum antiviral activity.
"Infection with SARS-CoV-2 has caused COVID-19 in millions of people around the world and the death of hundreds of thousands. In the year ahead, SARS-CoV-2 could infect and kill even greater numbers of people. As a global community, we are working together with unprecedented speed to find treatments that block the virus and the deadly consequences of COVID-19," said Dr.
The integrated Phase 2/3 study will evaluate the efficacy and safety of PTC299 in two stages, the first stage consisting of 40 patients, followed by a larger cohort of approximately 340 patients. The primary objective is to evaluate the clinical efficacy of PTC299 compared with placebo assessed by time to respiratory improvement in adult individuals hospitalized with COVID-19.
PTC299 is also being developed for treatment in oncological indications and has been extensively studied in nine clinical trials in over 300 individuals, including both oncology patients and healthy volunteers. In addition, PTC299 is currently being studied in a clinical trial in acute myeloid leukemia (AML) patients. In a PTC299 clinical study, results showed that PTC299 inhibited DHODH, confirming the mechanism of action in patients.
1Multi-omics study revealing tissue-dependent putative mechanisms of SARS-CoV-2 drug targets on viral infections and complex diseases.
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PTC299 is an investigational oral small molecule that inhibits the cellular enzyme dihydroorotate dehydrogenase (DHODH). Recently, DHODH has been independently identified as one of the top-three most promising targets for intervention in COVID-191. PTC299 is being evaluated for the potential treatment of patients with COVID-19. With a novel dual-mechanism of action, PTC299 inhibits DHODH activity which leads to a reduction of pyrimidine biosynthesis and SARS-CoV-2 viral replication, and selectively modulates the immune response by attenuating the stress-induced inflammatory cytokine storm. PTC299 has broad-spectrum antiviral activity and potent inhibition of numerous RNA viruses with low nanomolar potency. PTC299 is also currently being evaluated in an ongoing clinical study in acute myeloid leukemia (AML). For more information regarding PTC299 clinical trials, visit clinicaltrials.ptcbio.com or www.clinicaltrials.gov and search PTC299.
PTC is a science-driven, global biopharmaceutical company focused on the discovery, development and commercialization of clinically differentiated medicines that provide benefits to patients with rare disorders. PTC's ability to globally commercialize products is the foundation that drives investment in a robust and diversified pipeline of transformative medicines and our mission to provide access to best-in-class treatments for patients who have an unmet medical need. To learn more about PTC, please visit us at www.ptcbio.com and follow us on Facebook, on Twitter at @PTCBio, and on LinkedIn.
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