Status:

NOT_YET_RECRUITING

A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of CDI-988 in Healthy Adults After Challenge With Snow Mountain Virus

Lead Sponsor:

Cocrystal Pharma, Inc.

Conditions:

Norovirus

Eligibility:

All Genders

18-49 years

Phase:

PHASE1

PHASE2

Brief Summary

Participants in this study will be given either CDI-988 or placebo orally before receiving a norovirus challenge virus and continuing for 5 days. Participants will not know whether they are getting pl...

Detailed Description

This is a single center Phase 1b randomized, double-blind, placebo-controlled study. The primary objective will be to evaluate the efficacy of CDI-988 in comparison to placebo in reducing the incidenc...

Eligibility Criteria

Inclusion

  • Healthy male or non-pregnant female
  • Aged 18 to 49 years
  • Good state of health
  • Known fucosyl transferase 2 (FUT2) secretor status

Exclusion

  • History of participation in any norovirus challenge or vaccine clinical trial
  • Receipt or planned receipt of any non-live vaccines within 7 days or live vaccines within 30 days before screening or prior to Day 28
  • History of suspected norovirus gastroenteritis or chronic/recurrent gastrointestinal symptoms (e.g., diarrhea or vomiting) within 2 years prior to screening
  • History of diagnosed gastrointestinal malabsorption disorders, major gastrointestinal surgery, or diagnosed chronic GI conditions
  • Presence of moderate or severe illness, fever (≥38°C), or diarrhea/vomiting within 7 days prior to challenge
  • Any acute illness on Day 1 (dosing day)
  • Positive Day 0 stool tests for enteric pathogens
  • Body weight \<45 kg or BMI \<18 or \>32 kg/m² on Day 0
  • Use of immunosuppressive therapy within 6 months prior to Day 0 or having any primary or secondary immunocompromising condition
  • Use of high-dose systemic corticosteroids (≥20 mg/day prednisolone for ≥2 weeks) or high-dose inhaled steroids for \>7 days within 6 months

Key Trial Info

Start Date :

November 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 1 2026

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT07198139

Start Date

November 1 2025

End Date

October 1 2026

Last Update

October 6 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Hope Clinic of the Emory Vaccine Center

Decatur, Georgia, United States, 30030

A Study to Evaluate the Efficacy, Safety and Pharmacokinetics of CDI-988 in Healthy Adults After Challenge With Snow Mountain Virus | DecenTrialz