Carcinoma of Unknown Primary — Trials

Carcinoma of Unknown Primary — Trials · CancerIndex

Clinical trials

Registered studies

14,232 studies whose conditions map to this entity or one of its descendants. Status and phase are as posted on ClinicalTrials.gov. 50 studies per page.

Active: 4,156
Recruiting: 2,259
Ph III recruiting: 269
Growth YoY: +12.3%
Industry share: 23%
Top sponsor: National Cancer Institute (NCI)
Termination share: 35.5%

Computedformula ci-trial-intel-v1 · interventional studies · entity + NCIt descendants · hover a figure for its formulaCompare cancers Terminated studies (1,893)

clinicaltrialsPublishedShowing 501–550 of 1,260 studies matching the filters · status and phase as posted by the registrant; each row links to the study record.

NCT	Title	Status	Phase	Enrollment (n)	Sponsor	Countries	Last update	Source
NCT05996523	Phase II Trial of Immunotherapeutic HPV Vaccine PRGN-2009 With Pembrolizumab Before Standard Treatment in Subjects With Newly Diagnosed HPV-Associated Oropharyngeal Cancer	active not recruiting	Phase 2	26	National Cancer Institute (NCI)NIH	1	Jun 23, 2026	clinicaltrials
NCT07663786	Evaluation of Esophagogastric Cancer Treatment With Nivolumab in Daily Clinical Practice	active not recruiting	—	726	Bristol-Myers SquibbINDUSTRY	1	Jun 23, 2026