IMA203 is named as a drug or biological intervention in 2 clinical trials in our USA and UK trial registers, 2 of which are recruiting. The lead sponsor is Immatics US, Inc.. Registered phases: Phase 3 and Phase 1. Conditions studied include Melanoma, Cutaneous Malignant; Cutaneous Melanoma; Synovial Sarcoma.
| NCT ID | Study | Phase | Status |
|---|---|---|---|
| NCT06743126 | SUPRAME-ACTengine® IMA203 vs. Investigator's Choice of Treatment in Previously Treated, Unresectable or Metastatic Cutaneous Melanoma (ClinicalTrials.gov ↗) Melanoma, Cutaneous Malignant |
Phase 3 | Recruiting |
| NCT06946225 | ACTengine® IMA203 Combined With mRNA-4203 (ClinicalTrials.gov ↗) Cutaneous Melanoma, Synovial Sarcoma |
Phase 1 | Recruiting |
Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
| Condition (as registered) | Trials |
|---|---|
| Melanoma, Cutaneous Malignant | 1 |
| Cutaneous Melanoma | 1 |
| Synovial Sarcoma | 1 |
| Lead sponsor | Trials |
|---|---|
| Immatics US, Inc. | 2 |
| Register | IMA203 trials |
|---|---|
| Clinical trials in USA | 2 |
| Clinical trials in UK | 1 |
A trial with sites in more than one country appears in each of those registers.
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how IMA203 works or whether it is effective. Each trial links to its own record so you can check it yourself.
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists IMA203 (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 25 Sep 2026.