~16 spots leftby Apr 2026

DONQ52 for Celiac Disease

Recruiting at 22 trial locations
Ct
Ct
Overseen ByClinical trials information
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 1
Waitlist Available
Sponsor: Chugai Pharmaceutical
No Placebo Group

Trial Summary

What is the purpose of this trial?

This trial is testing a new drug called DONQ52 in patients with well-managed celiac disease. The study has two parts: one where patients receive single doses and another where they receive multiple doses. The goal is to see if the drug is safe and well-tolerated.

Research Team

SC

Sponsor Chugai Pharmaceutical Co. Ltd

Principal Investigator

clinical-trials@chugai-pharm.co.jp

Eligibility Criteria

This trial is for people with celiac disease who have mild symptoms or are well-controlled, carry the HLA-DQ2.5 gene, and have been on a gluten-free diet for at least one year. Participants must also have a medical diagnosis confirmed by biopsies and positive serology tests. Those with refractory celiac disease or positive serology markers (tissue transglutaminase-2, deamidated gliadin peptide-IgA/G) cannot join.

Inclusion Criteria

Are you between the ages of 18-70 years old?
You have been diagnosed with Celiac Disease
I only have mild symptoms of celiac disease.
See 5 more

Treatment Details

Interventions

  • DONQ52 (Unknown)
  • Placebo (Drug)
Trial OverviewThe study is testing DONQ52's safety and how it's processed in the body in two parts: Part A gives patients one dose to see how they react, while Part B gives them multiple doses over time. The effects of DONQ52 will be compared to a placebo (a treatment without any active drug).
Participant Groups
7Treatment groups
Experimental Treatment
Group I: SAD Cohort 4Experimental Treatment2 Interventions
All randomized patients will receive one dose of either DONQ52 Dose D or placebo
Group II: SAD Cohort 3Experimental Treatment2 Interventions
All randomized patients will receive one dose of either DONQ52 Dose C or placebo
Group III: SAD Cohort 2Experimental Treatment2 Interventions
All randomized patients will receive one dose of either DONQ52 Dose B or placebo
Group IV: SAD Cohort 1Experimental Treatment2 Interventions
All randomized patients will receive one dose of either DONQ52 Dose A or placebo
Group V: MAD Cohort 3Experimental Treatment2 Interventions
All randomized patients will receive multiple dose of either DONQ52 Dose G or placebo
Group VI: MAD Cohort 2Experimental Treatment2 Interventions
All randomized patients will receive multiple dose of either DONQ52 Dose F or placebo
Group VII: MAD Cohort 1Experimental Treatment2 Interventions
All randomized patients will receive multiple dose of either DONQ52 Dose E or placebo

Find a Clinic Near You

Who Is Running the Clinical Trial?

Chugai Pharmaceutical

Lead Sponsor

Trials
105
Recruited
25,000+

Dr. Osamu Okuda

Chugai Pharmaceutical

Chief Executive Officer since 2020

MD from Kyoto University

Dr. Mariko Y. Momoi

Chugai Pharmaceutical

Chief Medical Officer

MD from Jichi Medical University