Clinical Trials Finder
Independent ClinicalTrials.gov directory
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced May 22, 2026, 3:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Metastatic Malignant Neoplasm of Unknown Primary Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Carcinoma of Unknown Primary, Head and Neck Cancer
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced May 22, 2026, 3:53 AM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
SCC - Squamous Cell Carcinoma, Radiotracer, Head and Neck Squamous Cell Carcinoma, Metastatic Head and Neck Squamous Cell Carcinoma
Interventions
Cetuximab (EGFR inhibitor), 18F-NOTA-ABY-030, Positron Emission Tomography (PET)
Drug · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced May 22, 2026, 3:53 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Carcinoma of Unknown Primary
Interventions
Carboplatin, Gemcitabine, Capecitabine
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 9, 2008 · Synced May 22, 2026, 3:53 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Carcinoma of Unknown Primary, Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Metastatic Head and Neck Carcinoma, Metastatic Malignant Neoplasm in the Uterine Cervix, Pathologic Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Pathologic Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Stage I Hypopharyngeal Carcinoma AJCC v8, Stage I Nasopharyngeal Carcinoma AJCC v8, Stage II Hypopharyngeal Carcinoma AJCC v8, Stage II Laryngeal Cancer AJCC v8, Stage II Nasopharyngeal Carcinoma AJCC v8, Stage II Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage III Hypopharyngeal Carcinoma AJCC v8, Stage III Laryngeal Cancer AJCC v8, Stage III Nasopharyngeal Carcinoma AJCC v8, Stage III Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage IV Hypopharyngeal Carcinoma AJCC v8, Stage IV Laryngeal Cancer AJCC v8, Stage IV Nasopharyngeal Carcinoma AJCC v8, Stage IV Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage IVA Hypopharyngeal Carcinoma AJCC v8, Stage IVA Laryngeal Cancer AJCC v8, Stage IVA Nasopharyngeal Carcinoma AJCC v8, Stage IVA Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage IVB Hypopharyngeal Carcinoma AJCC v8, Stage IVB Laryngeal Cancer AJCC v8, Stage IVB Nasopharyngeal Carcinoma AJCC v8, Stage IVB Oropharyngeal (p16-Negative) Carcinoma AJCC v8
Interventions
Biospecimen Collection, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Neoplasms, Unknown Primary
Interventions
Oxaliplatin, Capecitabine
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
10
States / cities
Jacksonville, Florida • Terre Haute, Indiana • Bowling Green, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2013 · Synced May 22, 2026, 3:53 AM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Breast Carcinoma, Carcinoma of Unknown Primary, Endometrial Carcinoma, Esophageal Carcinoma, Liver Failure, Lung Carcinoma, Malignant Head and Neck Neoplasm, Malignant Testicular Neoplasm, Melanoma, Metastatic Malignant Solid Neoplasm, Ovarian Carcinoma, Renal Failure, Unresectable Malignant Neoplasm, Urothelial Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Pharmacological Study, Veliparib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
17
States / cities
Duarte, California • Sacramento, California • South Pasadena, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 3:53 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Head and Neck Carcinoma, Head and Neck Carcinoma of Unknown Primary, Hypopharyngeal Carcinoma, Laryngeal Carcinoma, Metastatic Malignant Neoplasm in the Lymph Nodes, Nasal Cavity Carcinoma, Oral Cavity Carcinoma, Oropharyngeal Carcinoma, Paranasal Sinus Carcinoma, Salivary Gland Carcinoma, Cutaneous Squamous Cell Carcinoma of the Head and Neck, Locally Advanced Cutaneous Squamous Cell Carcinoma of the Head and Neck
Interventions
Cisplatin, Intensity-Modulated Proton Therapy, Quality-of-Life Assessment, Questionnaire Administration, Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, Biospecimen Collection, Intensity-Modulated Radiation Therapy
Drug · Procedure · Other + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2035
U.S. locations
9
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Gastrointestinal Cancer, Carcinoma, Neuroendocrine
Interventions
Cisplatin, Irinotecan
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced May 22, 2026, 3:53 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Squamous Cell Carcinoma in Cervical Lymph Node
Interventions
Computed Tomography, Fluciclovine F18, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Unknown Primary Neoplasms
Interventions
Gemcitabine (Gemox), Oxaliplatin, Questionnaire
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cancer
Interventions
aminocamptothecin colloidal dispersion
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 27, 2011 · Synced May 22, 2026, 3:53 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Unknown Primary Cancer
Interventions
Not listed
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced May 22, 2026, 3:53 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Hypopharyngeal Squamous Cell Carcinoma, Metastatic Laryngeal Squamous Cell Carcinoma, Metastatic Oral Cavity Squamous Cell Carcinoma, Metastatic Oropharyngeal Squamous Cell Carcinoma, Pathologic Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Recurrent Head and Neck Squamous Cell Carcinoma, Recurrent Hypopharyngeal Squamous Cell Carcinoma, Recurrent Laryngeal Squamous Cell Carcinoma, Recurrent Oral Cavity Squamous Cell Carcinoma, Recurrent Oropharyngeal Squamous Cell Carcinoma, Squamous Cell Carcinoma of Unknown Primary, Stage IV Hypopharyngeal Carcinoma AJCC v8, Stage IV Laryngeal Cancer AJCC v8, Stage IV Lip and Oral Cavity Cancer AJCC v8, Stage IVA Hypopharyngeal Carcinoma AJCC v8, Stage IVA Laryngeal Cancer AJCC v8, Stage IVA Lip and Oral Cavity Cancer AJCC v8, Stage IVB Hypopharyngeal Carcinoma AJCC v8, Stage IVB Laryngeal Cancer AJCC v8, Stage IVB Lip and Oral Cavity Cancer AJCC v8, Stage IVC Hypopharyngeal Carcinoma AJCC v8, Stage IVC Laryngeal Cancer AJCC v8, Stage IVC Lip and Oral Cavity Cancer AJCC v8
Interventions
Carboplatin, Cemiplimab, Paclitaxel
Drug · Biological
Lead sponsor
Marcelo Bonomi
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Carcinoma of Unknown Primary, Head and Neck Cancer, Non-melanomatous Skin Cancer
Interventions
semaxanib
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2009 · Synced May 22, 2026, 3:53 AM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Bladder Carcinoma, Cervical Carcinoma, Cholangiocarcinoma, Hematopoietic and Lymphoid Cell Neoplasm, Hepatocellular Carcinoma, Malignant Adrenal Gland Neoplasm, Malignant Brain Neoplasm, Malignant Pleural Neoplasm, Malignant Skin Neoplasm, Malignant Solid Neoplasm, Malignant Testicular Neoplasm, Malignant Thymus Neoplasm, Neuroendocrine Neoplasm, Thyroid Gland Carcinoma, Urothelial Carcinoma, Cancer of Unknown Primary Site
Interventions
Computed Tomography, Gallium Ga 68 FAPi-46, Positron Emission Tomography, 18F-FDG
Procedure · Drug · Radiation
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cancer
Interventions
entinostat
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
3
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Carcinoma of Unknown Primary Origin
Interventions
carboplatin, everolimus, paclitaxel
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
141
States / cities
Fort Collins, Colorado • Hartford, Connecticut • Moline, Illinois + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Carcinoma of Unknown Primary, Head and Neck Cancer
Interventions
amifostine trihydrate, cisplatin, fluorouracil, paclitaxel, quality-of-life assessment, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 120 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1988 – 1996
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced May 22, 2026, 3:53 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Clinical Stage IV Cutaneous Melanoma AJCC v8, Melanoma of Unknown Primary, Metastatic Malignant Neoplasm in the Brain, Metastatic Melanoma, Metastatic Mucosal Melanoma, Metastatic Ocular Melanoma, Pathologic Stage IV Cutaneous Melanoma AJCC v8
Interventions
Ipilimumab, Nivolumab, Pembrolizumab, Stereotactic Radiosurgery, Tumor Treating Fields Therapy
Biological · Radiation · Procedure
Lead sponsor
Emory University
Other
Eligibility
22 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 22, 2026, 3:53 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Head and Neck Basaloid Carcinoma, Recurrent Head and Neck Squamous Cell Carcinoma, Recurrent Oropharyngeal Squamous Cell Carcinoma, Squamous Cell Carcinoma of Unknown Primary Origin, Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IV Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Stage IV Oropharyngeal Squamous Cell Carcinoma, Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma, Stage IVA Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma, Stage IVA Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Stage IVA Oropharyngeal Squamous Cell Carcinoma, Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma, Stage IVB Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma, Stage IVB Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Stage IVB Oropharyngeal Squamous Cell Carcinoma, Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma, Stage IVC Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma, Stage IVC Nasopharyngeal Keratinizing Squamous Cell Carcinoma, Stage IVC Oropharyngeal Squamous Cell Carcinoma, Head and Neck Cancer, Oropharyngeal Cancer, HNSCC, Stage IV Lip and Oral Cavity Squamous Cell Carcinoma
Interventions
Cetuximab, Ficlatuzumab
Biological · Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
6
States / cities
Tucson, Arizona • New Haven, Connecticut • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced May 22, 2026, 3:53 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Neoplasms, Unknown Primary, CUP, Metastatic Disease, Poorly Differentiated Adenocarcinoma, Poorly Differentiated Carcinoma, Squamous Carcinoma Poorly Differentiated
Interventions
Not listed
Lead sponsor
Foundation Medicine
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced May 22, 2026, 3:53 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Carcinoma of Unknown Primary, Leukemia, Lymphoma, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
topotecan hydrochloride
Drug
Lead sponsor
Pediatric Brain Tumor Consortium
Network
Eligibility
3 Years to 21 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
11
States / cities
San Francisco, California • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced May 22, 2026, 3:53 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Unknown Primary Carcinoma
Interventions
Antineoplaston therapy (Atengenal + Astugenal)
Drug
Lead sponsor
Burzynski Research Institute
Other
Eligibility
6 Months to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced May 22, 2026, 3:53 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Pulmonary Neuroendocrine Neoplasm, Pheochromocytoma, Paraganglioma, Thymus Carcinoid, Unknown Primary Tumors, Neuroendocrine Tumors, Neuroendocrine Skin Carcinoma, Neuroendocrine Breast Tumor, Neuroendocrine Carcinoma Metastatic, Neuroendocrine Neoplasm of Ovary
Interventions
177Lu-DOTATOC
Drug
Lead sponsor
Excel Diagnostics and Nuclear Oncology Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced May 22, 2026, 3:53 AM EDT