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 451–500 of 702 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
NCT04572633	The HistoSonics System for Treatment of Primary and Metastatic Liver Tumors Using Histotripsy(#HOPE4LIVER US)	active not recruiting	N/A	47	HistoSonics, Inc.INDUSTRY	1	Nov 19, 2025	clinicaltrials
NCT04902352	The DISSECT Study: Effect of Peri-aDventItial SMA diSsECtion on Margin sTatus During Pancreaticoduodenectomy for Resectable Pancreatic Cancer	active not recruiting	N/A	102	University Hospital Birmingham NHS Foundation TrustOTHER	1