Condition

Cancer of Unknown Primary clinical trials and research

• 2Clinical trials
• 2Countries

All recruiting trials (2)

• Exploring genomic testing for cancer of unknown primary

  This study is testing if genomic testing can help find the hidden source of cancer in patients with Cancer of Unknown Primary to improve treatment options and outcomes.

  Recruiting at 6 sites The Christie NHS Foundation Trust · Manchester, Greater Manchester and 5 other locations · NCT06695494

• Using PET-CT to find unknown primary cancer sources

  This study is testing a new imaging method to help find the original source of cancer in adults who have been diagnosed with carcinoma of unknown primary origin.

  Recruiting at 6 sites Erasmus Medical Center · Amsterdam and 5 other locations · NCT06644716

Quick answers

How many Cancer of Unknown Primary clinical trials 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?

In 2 countries. The most sites are in Netherlands (1 trial), United Kingdom (1 trial). Each study page lists its sites and which ones are recruiting.

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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