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CDI 988

Drug Profile

CDI 988

Alternative Names: CDI-988

Latest Information Update: 15 Apr 2026

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At a glance

  • Originator Cocrystal Pharma Inc
  • Class Antivirals; Small molecules
  • Mechanism of Action 3C viral protease inhibitors; Coronavirus 3C protease inhibitors
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes

Highest Development Phases

  • Phase I/II Norovirus infections
  • Phase I COVID 2019 infections

Most Recent Events

  • 02 Apr 2026 CDI 988 receives Fast Track designation for Norovirus infections [PO] in USA
  • 01 Mar 2026 Phase-I/II clinical trials in Norovirus infections (Prevention) in USA (PO) (NCT07198139)
  • 31 Dec 2025 Cocrystal Pharma has patent pending applications for two families that are directed to the clinical candidate CDI 988 and structural brethren in the US and jurisdictions such as Australia, Brazil, Canada, China, Eurasia, EPO, Indonesia, Israel, India, Japan, Korea, Mexico, Malaysia, New Zealand, Philippines, Singapore, Thailand, Taiwan, and South Africa

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