Malignant Neoplasm of Unknown Primary — Trials

Malignant Neoplasm of Unknown Primary — Trials · CancerIndex

Clinical trials

Registered studies

14,253 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: 4,158
Recruiting: 2,260
Ph III recruiting: 268
Growth YoY: +13.9%
Industry share: 23%
Top sponsor: National Cancer Institute (NCI)
Termination share: 35.4%

Computedformula ci-trial-intel-v1 · interventional studies · entity + NCIt descendants · hover a figure for its formulaCompare cancers Terminated studies (1,895)

clinicaltrialsPublishedShowing 51–100 of 146 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
NCT07536412	Decision Aid Efficacy in Low Risk Thyroid Cancer	not yet recruiting	N/A	34	University of Maryland, BaltimoreOTHER	1	Apr 17, 2026	clinicaltrials
NCT07537959	Surgery Plus Systemic Therapy for Liver Cancer With Extrahepatic Metastases	not yet recruiting	N/A	280	Tongji HospitalOTHER	1	Apr 17, 2026	clinicaltrials
NCT07527468