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Clinical trials and research at Xilio Development, Inc.

• 2Clinical trials
• 1Country

All recruiting trials (2)

• XTX501 in people with metastatic NSCLC and advanced solid tumors

  A first-in-human study tests XTX501, a PD-1/masked IL-2 drug, to see if it is safe and tolerable in people with metastatic NSCLC and selected advanced solid tumors.

  Recruiting at 3 sites Phase 1/2 Xilio Development, Inc. · Canton, Ohio and 2 other locations · NCT07688577

• Evaluating XTX301 for advanced solid tumors

  This study is testing a new treatment called XTX301 to see if it can safely help people with advanced solid tumors like melanoma, lung cancer, and triple-negative breast cancer.

  Recruiting at 10 sites Phase 1/2 Xilio Development, Inc. · Sacramento, California and 11 other locations · NCT05684965

Quick answers

How many clinical trials run by Xilio Development, Inc. are recruiting right now?

2, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

All of them have sites in United States. Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 1/2: 2. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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