Malignant Neoplasm of Unknown Primary — Trials

Malignant Neoplasm of Unknown Primary — Trials · CancerIndex

Clinical trials

Registered studies

14,260 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: 270
Growth YoY: +12.5%
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 651–700 of 4,807 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
NCT01644786	The Head and Neck Tumor Biobank	completed	—	419	Maastricht Radiation OncologyOTHER	1	Oct 2, 2025	clinicaltrials
NCT02738294	Necessity Assessment of ME-NBI Targeted Biopsy Compared With EFB	completed	N/A	211	Shanghai Jiao Tong University School of MedicineOTHER	1	Oct 2, 2025	clinicaltrials