COCP: Cocrystal Pharma provides updates on its clinical programs.

COCP: Cocrystal Pharma provides updates on its clinical programs.

By Thomas Kerr, CFA

NASDAQ:COCP

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On January 8, 2024, Cocrystal Pharma (NASDAQ:COCP) released a new investor presentation which can be found here.

On January 4, 2024, Cocrystal Pharma provided an update on the clinical development of its oral first-in-class pan-norovirus and pan-coronavirus dual protease inhibitor CDI-988 and its oral PB2 inhibitor CC-42344 for the treatment of pandemic and seasonal influenza A. CDI-988 and CC-42344 were specifically designed and developed using the company’s unique structure-based drug discovery technology platform to be effective on a broad range of viruses causing these diseases.

Cocrystal’s President and co-CEO stated, “We are encouraged that the preliminary data of the ongoing Phase 2a and Phase 1 studies showed CC-42344 and CD-988 were well-tolerated with favorable safety profiles. We see great promise with both of these drug candidates as potential effective oral treatments for highly contagious, pandemic viruses, while also providing significant market opportunities for Cocrystal.”

CDI-988 targets a highly conserved region in the active site of the main 3CL protease required for viral RNA replication for pandemic norovirus and coronaviruses, including SARS-CoV-2. CDI-988 is being evaluated for safety and pharmacokinetics in a randomized, double-blinded, placebo-controlled Phase 1 study in healthy subjects being conducted in Australia. The company reports favorable preliminary data from the single-ascending dose cohorts of the clinical study. Cocrystal expects to report topline results from the Phase 1 study in 2024.

CC-42344 binds to a highly conserved PB2 site of the influenza A polymerase complex and exhibits a novel mechanism of action that inhibits viral replication. A randomized, double-blind, placebo-controlled Phase 2a clinical study with CC-42344 is underway in the United Kingdom. The company reports favorable tolerability and safety in the first cohort of the Phase 2a influenza A challenge study and expects to report topline results from the Phase 2a clinical study in 2024. In 2022 Cocrystal reported favorable safety and tolerability results in the healthy volunteer Phase 1 study with CC-42344 conducted in Australia.

On December 15, 2023, the company received written notice from Merck that they were electing to terminate the Exclusive License and Research Collaboration Agreement between Cocrystal and Merck concerning the collaboration on the development of influenza A/B antiviral compounds.

The termination of the Agreement is effective on March 14, 2024. According to the termination notice, Merck determined there were no existing conditions to continue the collaboration. The termination resulted from the inability to develop the compounds to meet a specific aspect of Merck’s program.