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ClinicalTrials.gov public records Last synced May 21, 2026, 6:34 PM EDT

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Showing 25–41 of 17 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Squamous Cell Carcinoma of Unknown Primary Clear all
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 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM EDT
Active, not recruiting Early Phase 1 Interventional Results available
View directory record Official record
Conditions
Head and Neck Carcinoma of Unknown Primary, Locally Advanced Head and Neck Squamous Cell Carcinoma, Locally Advanced Hypopharyngeal Squamous Cell Carcinoma, Locally Advanced Laryngeal Squamous Cell Carcinoma, Locally Advanced Nasopharyngeal Squamous Cell Carcinoma, Locally Advanced Oropharyngeal Squamous Cell Carcinoma
Interventions
Tolinapant, Radiation Therapy
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced May 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Subjects With p16 Positive/HPV Positive Squamous Cell Carcinomas of the Oropharynx
Interventions
Obtaining Human tissue
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced May 21, 2026, 6:34 PM 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 21, 2026, 6:34 PM EDT
Active, not recruiting Phase 1 Interventional Results available
View directory record Official record
Conditions
Head and Neck Carcinoma of Unknown Primary, Head and Neck Squamous Cell Carcinoma, Stage III Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage III Laryngeal Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage III Sinonasal Squamous Cell Carcinoma AJCC v6 and v7, Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IV Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IV Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Sinonasal Squamous Cell Carcinoma AJCC v7
Interventions
Berzosertib, Cisplatin, Computed Tomography, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Positron Emission Tomography, Radiation Therapy
Drug · Procedure · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
19
States / cities
Duarte, California • Sacramento, California • New Haven, Connecticut + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced May 21, 2026, 6:34 PM EDT
Active, not recruiting Phase 3 Interventional Results available
View directory record Official record
Conditions
Neck Squamous Cell Carcinoma of Unknown Primary, Recurrent Hypopharyngeal Squamous Cell Carcinoma, Recurrent Laryngeal Squamous Cell Carcinoma, Recurrent Laryngeal Verrucous Carcinoma, Recurrent Lip and Oral Cavity Squamous Cell Carcinoma, Recurrent Neck Squamous Cell Carcinoma of Unknown Primary, Recurrent Oral Cavity Verrucous Carcinoma, Recurrent Oropharyngeal Squamous Cell Carcinoma, Recurrent Salivary Gland Carcinoma, Recurrent Sinonasal Squamous Cell Carcinoma, Salivary Gland Squamous Cell Carcinoma, Stage IV Hypopharyngeal Squamous Cell Carcinoma AJCC v7, Stage IV Major Salivary Gland Cancer AJCC v7, Stage IVA Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IVA Laryngeal Verrucous Carcinoma AJCC v7, Stage IVA Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IVA Major Salivary Gland Cancer AJCC v7, Stage IVA Oral Cavity Cancer AJCC v6 and v7, Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVA Sinonasal Squamous Cell Carcinoma AJCC v7, Stage IVB Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IVB Laryngeal Verrucous Carcinoma AJCC v7, Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IVB Major Salivary Gland Cancer AJCC v7, Stage IVB Oral Cavity Cancer AJCC v6 and v7, Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVB Sinonasal Squamous Cell Carcinoma AJCC v7, Stage IVC Laryngeal Squamous Cell Carcinoma AJCC v7, Stage IVC Laryngeal Verrucous Carcinoma AJCC v7, Stage IVC Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7, Stage IVC Major Salivary Gland Cancer AJCC v7, Stage IVC Oral Cavity Cancer AJCC v6 and v7, Stage IVC Oropharyngeal Squamous Cell Carcinoma AJCC v7, Stage IVC Sinonasal Squamous Cell Carcinoma AJCC v7, Tongue Carcinoma
Interventions
Bevacizumab, Carboplatin, Cisplatin, Docetaxel, Fluorouracil, Laboratory Biomarker Analysis
Biological · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2027
U.S. locations
780
States / cities
Mobile, Alabama • Fairbanks, Alaska • Fort Smith, Arkansas + 473 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 6:34 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Human Papillomavirus-Related Neck Squamous Cell Carcinoma of Unknown Primary, Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Hypopharyngeal Squamous Cell Carcinoma, Metastatic Laryngeal Squamous Cell Carcinoma, Metastatic Nasopharyngeal Squamous Cell Carcinoma, Metastatic Oral Cavity Squamous Cell Carcinoma, Metastatic Oropharyngeal Squamous Cell Carcinoma, Metastatic Paranasal Sinus Squamous Cell Carcinoma, Recurrent Head and Neck Squamous Cell Carcinoma, Recurrent Hypopharyngeal Squamous Cell Carcinoma, Recurrent Laryngeal Squamous Cell Carcinoma, Recurrent Nasopharyngeal Squamous Cell Carcinoma, Recurrent Oral Cavity Squamous Cell Carcinoma, Recurrent Oropharyngeal Squamous Cell Carcinoma, Recurrent Paranasal Sinus Squamous Cell Carcinoma, Stage IV Hypopharyngeal Carcinoma AJCC v8, Stage IV Laryngeal Cancer AJCC v8, Stage IV Lip and Oral Cavity Cancer AJCC v8, Stage IV Nasopharyngeal Carcinoma AJCC v8, Stage IV Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage IV Sinonasal Cancer AJCC v8
Interventions
Biospecimen Collection, Computed Tomography, Lovastatin, Magnetic Resonance Imaging, Pembrolizumab, Positron Emission Tomography
Procedure · Drug · Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced May 21, 2026, 6:34 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Bladder Cancer, Brain and Central Nervous System Tumors, Carcinoma of Unknown Primary, Extragonadal Germ Cell Tumor, Head and Neck Cancer, Kidney Cancer, Lung Cancer, Ovarian Cancer, Sarcoma, Testicular Germ Cell Tumor, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
filgrastim, Amifostine, Carboplatin, Etoposide, Ifosfamide, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced May 21, 2026, 6:34 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8, Cutaneous Squamous Cell Carcinoma of the Head and Neck, Head and Neck Carcinoma of Unknown Primary, Head and Neck Squamous Cell Carcinoma, Hypopharyngeal Squamous Cell Carcinoma, Laryngeal Squamous Cell Carcinoma, Metastatic Cutaneous Squamous Cell Carcinoma of the Head and Neck, Metastatic Head and Neck Squamous Cell Carcinoma, Metastatic Hypopharyngeal Squamous Cell Carcinoma, Metastatic Laryngeal Squamous Cell Carcinoma, Metastatic Nasopharyngeal Squamous Cell Carcinoma, Metastatic Oral Cavity Squamous Cell Carcinoma, Metastatic Oropharyngeal Squamous Cell Carcinoma, Metastatic Paranasal Sinus Squamous Cell Carcinoma, Nasopharyngeal Squamous Cell Carcinoma, Oral Cavity Squamous Cell Carcinoma, Oropharyngeal Squamous Cell Carcinoma, Paranasal Sinus Squamous Cell Carcinoma, Recurrent Cutaneous Squamous Cell Carcinoma of the Head and Neck, Recurrent Head and Neck Squamous Cell Carcinoma, Recurrent Hypopharyngeal Squamous Cell Carcinoma, Recurrent Laryngeal Squamous Cell Carcinoma, Recurrent Nasopharyngeal Squamous Cell Carcinoma, Recurrent Oral Cavity Squamous Cell Carcinoma, Recurrent Oropharyngeal Squamous Cell Carcinoma, Recurrent Paranasal Sinus Squamous Cell Carcinoma, Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8, Stage IV Hypopharyngeal Carcinoma AJCC v8, Stage IV Laryngeal Cancer AJCC v8, Stage IV Lip and Oral Cavity Cancer AJCC v8, Stage IV Nasopharyngeal Carcinoma AJCC v8, Stage IV Oropharyngeal (p16-Negative) Carcinoma AJCC v8, Stage IV Sinonasal Cancer AJCC v8
Interventions
Audiometric Test, Interview
Procedure · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 21, 2026, 6:34 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cancer
Interventions
capecitabine, cisplatin
Drug
Lead sponsor
NYU Langone Health
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 Apr 4, 2011 · Synced May 21, 2026, 6:34 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Head and Neck Cancer, Head and Neck Carcinoma, Head and Neck Neoplasms, Head and Neck Squamous Cell Carcinoma
Interventions
18F-FMISO PET/CT scan, Chemoradiation therapy, Carboplatin
Diagnostic Test · Radiation · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced May 21, 2026, 6:34 PM EDT