Malignant Neoplasm of Unknown Primary — Trials

Malignant Neoplasm of Unknown Primary — Trials · CancerIndex

Clinical trials

Registered studies

14,263 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: 268
Growth YoY: +12.8%
Industry share: 23%
Top sponsor: National Cancer Institute (NCI)
Termination share: 35.5%

Computedformula ci-trial-intel-v1 · interventional studies · entity + NCIt descendants · hover a figure for its formulaCompare cancers Terminated studies (1,897)

clinicaltrialsPublishedShowing 951–1,000 of 3,146 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
NCT00625755	A Phase I/II Study to Assess the Safety and Efficacy of Vaccinations With Allogeneic Dendritic Cells: Autologous Tumor-Derived Cells Subjected to Electrofusions in Patients With AJCC Stage IV Renal Cell Carcinoma	completed	Phase 1 / Phase 2	40	Beth Israel Deaconess Medical CenterOTHER	1	Jan 23, 2026	clinicaltrials
NCT03368729	Niraparib in Combination With Trastuzumab in Metastatic HER2+ Breast Cancer	active not recruiting	Phase 1 / Phase 2	46	University of Alabama at BirminghamOTHER