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 801–850 of 2,265 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
NCT07010120	A Clinical Trial of Neoadjuvant Targeted Therapy, Immunotherapy, and Lysogenic HSV-Based Virotherapy in Resectable Head and Neck Squamous Cell Carcinoma	active not recruiting	Phase 1 / Phase 2	29	West China HospitalOTHER	1	Jul 1, 2026	clinicaltrials
NCT07139951	Hyperthermic Intraperitoneal Chemotherapy With Cisplatin and Paclitaxel for Gastric Cancer at High Risk of Peritoneal Recurrence	enrolling by invitation	Phase 2	16	Mayo ClinicOTHER	1	Jul 1, 2026