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 151–200 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
NCT04719273	Onapristone and Anastrozole for the Treatment of Refractory Hormone Receptor Positive Endometrial Cancer	completed	Phase 2	14	Thomas Jefferson UniversityOTHER	1	Jul 17, 2026	clinicaltrials
NCT07398313	Effect of Prehabilitation on Recovery Outcomes in Post-Surgical Cervical Cancer Women(PROP-CC)	completed	N/A	34	Saveetha UniversityOTHER	1	Jul 16, 2026	clinicaltrials