Trial Purpose

This study looks at a study medicine called MK-1045 in people with lupus and rheumatoid arthritis (RA). The main goal of the study is to learn about the safety of MK-1045 and if people tolerate it when they receive it at different dose levels (amounts).

CLINICALTRIALS.GOV IDENTIFIER

NCT07363590

EU CT Number

2025-523412-36-00

When you talk with your doctor or clinical trial team member, please have the trial identifier number available.

Resources

Eligibility

Only a qualified healthcare professional can determine if you are eligible to take part in a clinical trial. However, this information may be useful in starting a conversation with your doctor.

Conditions Icon

Conditions

Rheumatoid Arthritis, Systemic Lupus Erythematosus

Age Range Icon

Age Range

18 - 75

Sex Icon

Sex

All

About the trial

Trial phase Icon Trial Phase

Trial Phase 1

Investigational medication is tested for safety on a relatively small group of 20 to 100 volunteers who are usually healthy, but not always. Phase 1 trials may happen in a doctor’s office or a hospital.

Trial start Icon Trial start and end dates
  • Actual study start date February 19, 2026
  • Estimated primary completion date July 16, 2029
  • Estimated study completion date July 16, 2029

Trial Locations

Locations shown may have changed in some cases. Please call the number listed in the location results to confirm the nearest trial site. Talk with a trial site member for more information.

What can you do next?

If you think this clinical trial might be a good fit and you are interested in taking part, take the next step to see if you are eligible.

Discuss with your doctor or care team

Print this page with details about the trial or email it to your doctor to discuss the clinical trial during your next visit.

Get help talking with your doctor or care team

CLINICALTRIALS.GOV IDENTIFIER

NCT07363590

EU CT Number

2025-523412-36-00

When you talk with your doctor or clinical trial team member, please have the trial identifier number available.

Taking part in a clinical trial is an important decision

If you are considering joining a clinical trial, first learn as much as you can about:

  • The investigational treatment that is being studied
  • What the risks and possible benefits are for participantsResearch participantIn clinical research, a person who qualifies and agrees to participate in a study. Also called volunteer, trial participant.

Talk to your doctor about the clinical trial before you decide to join.

Read our “What to Consider” page for more questions to ask and think about