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 1–50 of 2,264 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
NCT02345265	Testing the Combination of the Study Drugs Cediranib and Olaparib in Recurrent Ovarian Cancer	active not recruiting	Phase 2	70	National Cancer Institute (NCI)NIH	1	Sep 29, 2026	clinicaltrials
NCT02502266	Testing the Combination of Cediranib and Olaparib in Comparison to Each Drug Alone or Other Chemotherapy in Recurrent Platinum-Resistant Ovarian Cancer	active not recruiting	Phase 2 / Phase 3	582	National Cancer Institute (NCI)NIH	5	Sep 29, 2026