Malignant Neoplasm of Unknown Primary — Trials

Malignant Neoplasm of Unknown Primary — Trials · CancerIndex

Clinical trials

Registered studies

14,263 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: 4,163
Recruiting: 2,261
Ph III recruiting: 268
Growth YoY: +12.8%
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 (1,897)

clinicaltrialsPublishedShowing 751–800 of 2,785 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
NCT05028725	Novel Strategy for Early Detection of Esophageal Squamous Cell Carcinoma	recruiting	N/A	289	University of California, San FranciscoOTHER	1	Jul 23, 2026	clinicaltrials
NCT05376592	Assoc. of Genomic Polymorphisms With Cancer Cachexia in Subjects With Panc Adenocarcinoma	recruiting	—	100	Wake Forest University Health SciencesOTHER	1	Jul 23, 2026	clinicaltrials