Not Yet RecruitingPhase 1

A Phase 1 Study of JADE201 in Participants With Rheumatoid Arthritis

Moldova, Ukraine36 participantsStarted 2026-05

Plain-language summary

This is a Phase 1, first in human study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single ascending doses of JADE201 compared to placebo in participants with Rheumatoid Arthritis

Who can participate

Age range18 Years – 70 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

✓. Male and female participants 18-70 years of age, inclusive.
✓. A body weight between 50-100 kg and a body mass index (BMI) between 18-32 kg/m2 (all inclusive) at screening.
✓. Confirmed diagnosis of RA according to 2010 ACR/EULAR criteria
✓. Willing and able to comply with the inpatient stay at the site, scheduled visits, treatment plans, laboratory tests, and other study procedures specified in the protocol.
✓. Willing and able to comply with contraceptive and lifestyle requirements specified in the protocol.

Exclusion criteria

✕. With the exception of RA, known history of clinically significant disease
✕. Diagnosis or symptoms suggestive of any systemic autoimmune or inflammatory condition other than RA
✕. positive serology for Hep A, Hep B, or Hep C virus
✕. Positive, indeterminate, or invalid test of TB
✕. Current tobacco users who smoke \>5 cigarettes per day or equivalent
✕. Nursing, lactating or pregnant, or who have plans to become pregnant during the study
✕. Treatment with an investigational drug within 30 days or 5 half lives prior to study drug administration

What they're measuring

Safety and Tolerability of Single Ascending Doses of JADE201 in participants with Rheumatoid Arthritis

Timeframe: Day 1 through 36 weeks

Trial details

NCT IDNCT07533955

SponsorJade Biosciences, Inc.

Sponsor typeINDUSTRY

Study typeINTERVENTIONAL

Primary completion2027-10

Contact for this trial

Jade201 Study Contact

781-201-4781 JADE201clinicaltrials@jadebiosciences.com

View on ClinicalTrials.gov More Rhematoid Arthritis trials