Clinical Trials

Neoplasms, Unknown Primary

NCT02012699 2026-01-22

iCaRe2

BreastCNSDermatologicEndocrineGastrointestinalGenitourinaryGynecologicHead & NeckNETOther hematologic neoplasmOther solid neoplasmPlasma cellSarcomaThoracic

999,999 enrolled

Anus Neoplasms, Bile Duct Neoplasms, Urinary Bladder Neoplasms, Breast Neoplasms, Colonic Neoplasms, Colorectal Neoplasms, Hereditary Nonpolyposis, Duodenal Neoplasms, Esophageal Neoplasms, Gallbladder Neoplasms, Hypopharyngeal Neoplasms, Kidney Neoplasms, Laryngeal Neoplasms, Leukemia, Lip Neoplasms, Liver Neoplasms, Lung Neoplasms, Melanoma, Mesothelioma, Mouth Neoplasms, Multiple Myeloma, Nasopharyngeal Neoplasms, Neoplasms, Unknown Primary, Oropharyngeal Neoplasms, Ovarian Neoplasms, Pancreatic Neoplasms, Paranasal Sinus Neoplasms, Paraproteinemias, Penile Neoplasms, Peritoneal Neoplasms, Adenomatous Polyposis Coli, Prostatic Neoplasms, Rectal Neoplasms, Salivary Gland Neoplasms, Sarcoma, Skin Neoplasms, Stomach Neoplasms, Testicular Neoplasms, Thymus Neoplasms, Thyroid Neoplasms, Ureteral Neoplasms, Urethral Neoplasms, Vaginal Neoplasms, Central Nervous System Neoplasms, Thyroid Nodule, Endometrial Neoplasms, Neuroendocrine Tumors, Gastrointestinal Stromal Tumors

NCT03752333 2026-01-22

CUPem

35 enrolled

BreastGastrointestinalThoracic

Neoplasms, Unknown Primary

NCT01505400 2026-01-08

IMPACT

Active not recruiting

3,026 enrolled

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Neoplasms, Unknown Primary, Urogenital Neoplasms, Colorectal Neoplasms

NCT03010150 2025-11-03

Blood Tests and Questionnaires in Studying Adherence to Preventative Swallowing Exercises in Participants With Metastatic Head and Neck Cancer

471 enrolled

Phase 2 Active not recruiting

Nasopharyngeal Carcinoma, Carcinoma, Hypopharyngeal Neoplasms, Laryngeal Neoplasms, Neoplasms, Unknown Primary, Oropharyngeal Neoplasms

NCT02713269 2025-10-30

Thermal Ablation and Spine Stereotactic Radiosurgery in Treating Patients With Spine Metastases at Risk for Compressing the Spinal Cord

60 enrolled

DermatologicGastrointestinalGenitourinaryHead & NeckSarcoma

Carcinoma, Renal Cell, Gastrointestinal Neoplasms, Melanoma, Neoplasms, Unknown Primary, Sarcoma, Spinal Cord Compression, Thyroid Neoplasms

NCT04475640 2025-10-30

Cancer Genetic Testing in Ethnic Populations

Phase NA Recruiting

1,800 enrolled

BreastCNS

Brain Neoplasms, Breast Neoplasms, Neoplasms, Unknown Primary

NCT04273061 2025-09-22

CAPTIV-8

Phase 2 Recruiting

200 enrolled

BreastDermatologicGastrointestinalHead & NeckSarcomaThoracic

Breast Neoplasms, Gastrointestinal Neoplasms, Head and Neck Neoplasms, Lung Neoplasms, Neoplasms, Unknown Primary, Sarcoma, Skin Neoplasms, Urogenital Neoplasms

NCT03391973 2025-04-25

CUP

Phase 2 Active not recruiting

26 enrolled

Neoplasms, Unknown Primary

NCT03301493 2025-04-10

Genomic Testing and Resulting Medical Decisions

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther hematologic neoplasmThoracic

1,500 enrolled

Urinary Bladder Neoplasms, Breast Neoplasms, Uterine Cervical Neoplasms, Colonic Neoplasms, Esophageal Neoplasms, Head and Neck Neoplasms, Carcinoma, Hepatocellular, Kidney Neoplasms, Lung Neoplasms, Neoplasms, Unknown Primary, Skin Neoplasms, Stomach Neoplasms, Uterine Neoplasms, Hematologic Neoplasms

NCT05576974 2025-04-08

A Phase 2a, Single-dose, Open-label Study to Evaluate Diagnostic Performance and Safety of Pegsitacianine, an Intraoperative Fluorescence Imaging Agent for the Detection of Cancer, in Patients With Unknown Primary Head and Neck Cancer (ILLUMINATE STUDY)

Phase 2 Recruiting

120 enrolled

Squamous Cell Carcinoma of Head and Neck, Head and Neck Neoplasms, Neoplasms, Unknown Primary

NCT06695494 2025-01-09

EGGCUP

100 enrolled

Neoplasms, Neoplasms, Unknown Primary

NCT02906943 2024-12-04

OCTANE

BreastDermatologicGastrointestinalHead & NeckThoracic

10,000 enrolled

Breast Neoplasms, Gastrointestinal Neoplasms, Head and Neck Neoplasms, Lung Neoplasms, Melanoma, Neoplasms, Unknown Primary, Urogenital Neoplasms, Colorectal Neoplasms

NCT04584008 2024-10-15

VISIONARY

Phase NA Active not recruiting

600 enrolled

EndocrineGastrointestinalNETSarcoma

Esophageal Squamous Cell Carcinoma, Biliary Tract Neoplasms, Gastrointestinal Neoplasms, Neoplasms, Unknown Primary, Pancreatic Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Neuroendocrine Tumors, Gastrointestinal Stromal Tumors

NCT04750109 2024-10-10

CUP-COMP

117 enrolled

Neoplasms, Unknown Primary

NCT04504604 2024-08-09

TRACK

Phase NA Recruiting

400 enrolled

Neoplasms, Unknown Primary, Cholangiocarcinoma

NCT05841966 2024-05-07

OP-CUP

Phase NA Completed

30 enrolled

BreastCNSDermatologicGastrointestinalGenitourinaryHead & NeckSarcomaThoracic

Carcinoma, Squamous Cell, Neoplasms, Unknown Primary

NCT01624220 2023-12-05

A Prospective Study Using Implanted Fiducial Markers to Assess Treatment Accuracy and Esophageal Toxicity in Spinal Stereotactic Body Radiation Therapy

Phase NA Completed

41 enrolled

Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Gastrointestinal Neoplasms, Melanoma, Neoplasms, Unknown Primary, Prostatic Neoplasms, Sarcoma, Spinal Cord Neoplasms, Thyroid Neoplasms

NCT04456140 2023-07-24

Pro-Active Genetic Testing in Patients With Solid Tumors, Inherit Study

BreastCNSGastrointestinalHead & Neck

230 enrolled

Brain Neoplasms, Breast Neoplasms, Digestive System Neoplasms, Head and Neck Neoplasms, Neoplasms, Unknown Primary, Urogenital Neoplasms, Central Nervous System Neoplasms

NCT01845337 2023-05-12

TOFFEE

59 enrolled

Bile Duct Neoplasms, Gastrointestinal Neoplasms, Neoplasms, Unknown Primary, Pancreatic Neoplasms

NCT05263700 2023-03-31

FAPI-CUP

Phase NA Unknown

150 enrolled

Neoplasms, Unknown Primary

NCT04189107 2023-03-16

Postoperative Pain, Why Still in Hospital and DAOH Following TORS for SCCUP & OSAS

18 enrolled

CNSDermatologicEndocrineNET

Agnosia, Head and Neck Neoplasms, Neoplasms, Unknown Primary, Oropharyngeal Neoplasms, Pain, Postoperative

NCT04276597 2023-03-10

PUTNET

Phase 2 Withdrawn

Neoplasms, Unknown Primary, Paraganglioma, Pheochromocytoma, Carcinoma, Merkel Cell, Neuroendocrine Tumors

NCT03278600 2022-01-24

Tissue-of-origin Directing Therapy in Patients With Cancer of Unknown Primary

182 enrolled

Neoplasms, Unknown Primary

NCT04952103 2021-07-07

Real World Study of Diagnosis and First-line Treatment Among Patients With Cancer of Unknown Primary in China

Unknown

200 enrolled

Neoplasms, Unknown Primary

NCT00003526 2020-12-17

Antineoplaston Therapy in Treating Patients With Cancer of Unknown Primary Origin

Phase 2 Terminated

8 enrolled 5 charts

Neoplasms, Unknown Primary

NCT01643499 2020-05-08

Genotype-guided Dosing of mFOLFIRINOX Chemotherapy in Patients With Previously Untreated Advanced Gastrointestinal Malignancies

79 enrolled

Bile Duct Neoplasms, Colonic Neoplasms, Gallbladder Neoplasms, Neoplasms, Unknown Primary, Pancreatic Neoplasms, Rectal Neoplasms, Stomach Neoplasms

NCT04131621 2020-04-15

CheCUP

Phase 2 Unknown

194 enrolled

Neoplasms, Unknown Primary

NCT01540058 2020-02-17

GEFCAPI04

243 enrolled

Neoplasms, Unknown Primary

NCT00477919 2019-05-15

E-MOSAIC Electronic Tool to Monitor Symptoms

BreastCNSDermatologicGastrointestinalGenitourinaryGynecologicOther solid neoplasmSarcomaThoracic

264 enrolled

Carcinoma, Ovarian Epithelial, Mesothelioma, Malignant, Anorexia, Bile Duct Neoplasms, Urinary Bladder Neoplasms, Body Weight Changes, Brain Neoplasms, Breast Neoplasms, Cachexia, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Colonic Neoplasms, Depression, Esophageal Neoplasms, Fatigue, Gallbladder Neoplasms, Glioblastoma, Carcinoma, Hepatocellular, Melanoma, Neoplasms, Neoplasms, Unknown Primary, Pain, Pancreatic Neoplasms, Prostatic Neoplasms, Rectal Neoplasms, Sarcoma, Stomach Neoplasms, Gliosarcoma, Breast Neoplasms, Male, Small Cell Lung Carcinoma

NCT02764216 2019-04-09

Elective Mucosal Irradiation in Head-and-Neck Cancer of Unknown Primary

Phase 2 Unknown

48 enrolled

Phase EARLY_PHASE1 Terminated

Head and Neck Neoplasms, Neoplasms, Unknown Primary

NCT00499733 2019-01-18

Cyclophosphamide and Cryoablation in Treating Patients With Advanced or Metastatic Epithelial Cancer

19 enrolled

BreastCNSDermatologicGastrointestinalGenitourinaryHead & NeckLymphoidSarcomaThoracic

Squamous Cell Carcinoma of Head and Neck, Uveal Melanoma, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Chondrosarcoma, Colonic Neoplasms, Carcinoma, Hepatocellular, Melanoma, Neoplasms, Neoplasms, Unknown Primary, Pancreatic Neoplasms, Prostatic Neoplasms, Salivary Gland Neoplasms, Sarcoma, Osteosarcoma, Tongue Neoplasms, Neuroectodermal Tumors, Primitive, Peripheral, Esthesioneuroblastoma, Olfactory, Breast Neoplasms, Male, Small Cell Lung Carcinoma, Intraocular Lymphoma

NCT02966509 2018-10-31

EPAC

Phase NA Completed

213 enrolled 20 charts

CNSDermatologicGastrointestinalGenitourinaryHead & NeckThoracic

Colonic Neoplasms, Death, Glioblastoma, Head and Neck Neoplasms, Kidney Neoplasms, Liver Neoplasms, Lung Neoplasms, Melanoma, Neoplasms, Unknown Primary, Prostatic Neoplasms, Rectal Neoplasms, Stomach Neoplasms, Testicular Neoplasms

NCT00003867 2018-09-10

Irinotecan and Capecitabine in Treating Patients With Solid Tumors

30 enrolled

BreastGastrointestinal

Anus Neoplasms, Appendiceal Neoplasms, Bile Duct Neoplasms, Breast Neoplasms, Colonic Neoplasms, Esophageal Neoplasms, Gallbladder Neoplasms, Carcinoma, Hepatocellular, Neoplasms, Neoplasms, Unknown Primary, Pancreatic Neoplasms, Rectal Neoplasms, Stomach Neoplasms

NCT00004005 2017-04-26

Irinotecan Followed By Fluorouracil and Leucovorin in Treating Patients With Stage III or Stage IV Colorectal Carcinoma (Cancer), Other Refractory Carcinoma, or Metastatic Adenoma (Cancer) of Unknown Primary Origin

12 enrolled

Colonic Neoplasms, Neoplasms, Unknown Primary, Rectal Neoplasms, Colorectal Neoplasms

NCT00066781 2017-04-04

Gemcitabine and Irinotecan in Treating Patients With Cancer of Unknown Primary

31 enrolled 8 charts

Neoplasms, Unknown Primary

NCT00936702 2017-03-21

Carboplatin, Paclitaxel, and Everolimus in Treating Patients With Previously Untreated Cancer of Unknown Primary

46 enrolled 13 charts

Neoplasms, Unknown Primary

NCT00003657 2017-01-20

High-dose ICE With Amifostine

CNSGenitourinaryGynecologicHead & NeckSarcomaThoracic

24 enrolled

AIDS-related Kaposi sarcoma, Testicular Germ Cell Tumor, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Urinary Bladder Neoplasms, Carcinoma, Non-Small-Cell Lung, Chondrosarcoma, Head and Neck Neoplasms, Kidney Neoplasms, Lung Neoplasms, Neoplasms, Unknown Primary, Ovarian Neoplasms, Sarcoma, Sarcoma, Kaposi, Osteosarcoma, Testicular Neoplasms, Central Nervous System Neoplasms, Neuroectodermal Tumors, Primitive, Peripheral, Esthesioneuroblastoma, Olfactory, Small Cell Lung Carcinoma

NCT00003582 2016-12-15

Radiation Therapy, Combination Chemotherapy, and Amifostine in Treating Patients With Head and Neck Cancer

Phase 1/2 Completed

36 enrolled

Squamous Cell Carcinoma of Head and Neck, Head and Neck Neoplasms, Neoplasms, Unknown Primary

NCT00201734 2016-09-23

Capecitabine, Carboplatin and Weekly Paclitaxel for Patients With Solid Tumors and Adenocarcinoma of Unknown Primary

Phase 1/2 Terminated

57 enrolled 11 charts

Adenocarcinoma, Neoplasms, Neoplasms, Unknown Primary

NCT00900302 2016-02-10

OX-40 Protein Expression in the Sentinel Lymph Nodes of Patients With Cancer

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

98 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Anus Neoplasms, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Uterine Cervical Neoplasms, Esophageal Neoplasms, Gallbladder Neoplasms, Melanoma, Neoplasms, Neoplasms, Unknown Primary, Penile Neoplasms, Salivary Gland Neoplasms, Skin Neoplasms, Vulvar Neoplasms, Breast Neoplasms, Male

NCT00458315 2015-05-08

Cisplatin/Paclitaxel/Gemcitabine +/- Avastin in Patients With Unknown Primary Tumor

Phase 2 Withdrawn

Neoplasms, Unknown Primary

NCT02327065 2014-12-30

Prospective Multi-center, Single Blinded, Randomized, Controlled Trial of EUS-FNB and EUS-FNA on Solid Occupying Lesion

Phase NA Unknown

408 enrolled

Lymphatic Metastasis, Neoplasm Metastasis, Neoplasms, Unknown Primary, Pancreatic Neoplasms

NCT00360360 2013-12-04

Paclitaxel/Carboplatin Plus Bevacizumab/Erlotinib in the First Line Treatment of Carcinoma of Unknown Primary Site

60 enrolled 6 charts

Neoplasms, Unknown Primary

NCT00876408 2013-12-04

Review of Molecular Profiling-Real Time Polymerase Chain Reaction (Rt-Pcr) in Unknown Primary Cancer

30 enrolled

Neoplasms, Unknown Primary

NCT00193609 2013-11-11

Oxaliplatin and Capecitabine in the Treatment of Relapsed/Refractory Carcinoma of Unknown Primary Site

48 enrolled 6 charts

Neoplasms, Unknown Primary

NCT00014456 2013-08-28

Combination Chemotherapy Plus Filgrastim in Treating Patients With Advanced Solid Tumors

BreastCNSDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckSarcomaThoracic

35 enrolled

AIDS-related Kaposi sarcoma, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Chondrosarcoma, Esophageal Neoplasms, Head and Neck Neoplasms, Lung Neoplasms, Melanoma, Neoplasms, Unknown Primary, Ovarian Neoplasms, Pancreatic Neoplasms, Prostatic Neoplasms, Salivary Gland Neoplasms, Sarcoma, Sarcoma, Kaposi, Osteosarcoma, Stomach Neoplasms, Neuroectodermal Tumors, Primitive, Peripheral, Esthesioneuroblastoma, Olfactory, Small Cell Lung Carcinoma

NCT00002507 2013-07-25

Radiation Therapy and Chemotherapy in Treating Patients With Head and Neck Cancer