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ClinicalTrials.gov public records Last synced May 21, 2026, 8:11 PM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Refractory Merkel Cell Carcinoma Clear all
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Melanoma, Merkel Cell Carcinoma, Triple Negative Breast Cancer, Head and Neck Squamous Cell Carcinoma, Renal Cell Carcinoma, Colorectal Cancer, Sarcoma
Interventions
NKTR-262, bempegaldesleukin, nivolumab
Drug
Lead sponsor
Nektar Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
14
States / cities
Scottsdale, Arizona • La Jolla, California • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced May 21, 2026, 8:11 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Anaplastic Large Cell Lymphoma, ALK-Negative, Anaplastic Large Cell Lymphoma, ALK-Positive, Apocrine Carcinoma, Carcinoma Arising From Cylindroma, Carcinoma Arising From Spiradenoma, Digital Papillary Adenocarcinoma, Endocrine Mucin-Producing Sweat Gland Carcinoma, Extramammary Paget Disease, Extraocular Sebaceous Carcinoma, Hidradenocarcinoma, Malignant Sweat Gland Neoplasm, Merkel Cell Carcinoma, Microcystic Adnexal Carcinoma, NK-Cell Lymphoma, Unclassifiable, Papillary Adenocarcinoma, Porocarcinoma, Primary Cutaneous Mucinous Carcinoma, Recurrent Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma, Recurrent T-Cell Non-Hodgkin Lymphoma, Refractory Anaplastic Large Cell Lymphoma, Refractory Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma, Refractory Merkel Cell Carcinoma, Refractory Mycosis Fungoides, Refractory Primary Cutaneous T-Cell Non-Hodgkin Lymphoma, Refractory Skin Squamous Cell Carcinoma, Refractory T-Cell Non-Hodgkin Lymphoma, Sezary Syndrome, Signet Ring Cell Adenocarcinoma, Skin Adenoid Cystic Carcinoma, Skin Adnexal Carcinoma, Skin Basal Cell Carcinoma, Skin Basosquamous Cell Carcinoma, Skin Keratoacanthoma, Skin Squamous Cell Carcinoma, Squamoid Eccrine Ductal Carcinoma, Squamous Cell Carcinoma of Unknown Primary, Sweat Gland Carcinoma, Trichilemmal Carcinoma, Vulvar Squamous Cell Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Laboratory Biomarker Analysis, Nivolumab, Positron Emission Mammography, Talimogene Laherparepvec
Procedure · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
36
States / cities
Los Angeles, California • Orange, California • Pasadena, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced May 21, 2026, 8:11 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Clinical Stage III Cutaneous Merkel Cell Carcinoma AJCC v8, Clinical Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8, Locally Advanced Merkel Cell Carcinoma, Metastatic Merkel Cell Carcinoma, Refractory Merkel Cell Carcinoma, Unresectable Merkel Cell Carcinoma
Interventions
Avelumab, Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Positron Emission Tomography, Tuvusertib
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
50
States / cities
Irvine, California • La Jolla, California • Los Angeles, California + 39 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced May 21, 2026, 8:11 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Solid Tumor, Adult, Advanced Solid Tumor, Head and Neck Cancer, Breast Cancer, Colon Cancer, Pancreatic Cancer, Gastric Cancer, Esophageal Cancer, Prostate Cancer, Uterine Cancer, Cervix Cancer, Ovarian Cancer, Kidney Cancer, Bladder Cancer, Thyroid Cancer, Melanoma, Sarcoma, Advanced Cancer, Metastatic Cancer, Refractory Cancer, Non Small Cell Lung Cancer, Merkel Cell Carcinoma
Interventions
SNS-101 (anti-VISTA), Cemiplimab
Drug
Lead sponsor
Sensei Biotherapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
10
States / cities
Los Angeles, California • Aurora, Colorado • Louisville, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced May 21, 2026, 8:11 PM EDT
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Melanoma, Merkel Cell Carcinoma, Cutaneous Squamous Cell Carcinoma
Interventions
NT-I7, atezolizumab
Drug
Lead sponsor
NeoImmuneTech
Industry
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
8
States / cities
Duarte, California • Chicago, Illinois • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced May 21, 2026, 8:11 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Childhood Langerhans Cell Histiocytosis, Gastrointestinal Carcinoid Tumor, Head and Neck Cancer, Intraocular Melanoma, Islet Cell Tumor, Kidney Cancer, Lung Cancer, Melanoma (Skin), Neoplastic Syndrome, Neuroendocrine Carcinoma of the Skin, Pheochromocytoma
Interventions
indium In 111 pentetreotide
Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2004
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 1, 2014 · Synced May 21, 2026, 8:11 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cervical Cancer, Microsatellite Instability (MSI)-High Endometrial Cancer, Gastric Cancer (Including Stomach and Gastroesophageal Junction [GEJ]), Esophageal Cancer, Hepatocellular Carcinoma, Melanoma (Uveal Melanoma Excluded), Merkel Cell Carcinoma, Mesothelioma, MSI-high Colorectal Cancer, Non-small Cell Lung Cancer (NSCLC), Ovarian Cancer, Squamous Cell Carcinoma of the Head and Neck (SCCHN), Small Cell Lung Cancer (SCLC), Renal Cell Carcinoma (RCC), Triple-negative Breast Cancer, Urothelial Carcinoma, Diffuse Large B-cell Lymphoma
Interventions
INCAGN02385
Biological
Lead sponsor
Incyte Biosciences International Sàrl
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
4
States / cities
Los Angeles, California • Hackensack, New Jersey • Huntersville, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2020 · Synced May 21, 2026, 8:11 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Unresectable Clinical Stage III Merkel Cell Carcinoma AJCC v8, Clinical Stage IV Merkel Cell Carcinoma AJCC v8, Merkel Cell Carcinoma
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Retifanlimab, Tuparstobart, Verzistobart
Procedure · Biological · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced May 21, 2026, 8:11 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Solid Tumors, Mycosis Fungoides, Melanoma, Merkel-cell Carcinoma, Squamous Cell Carcinoma, Breast Carcinoma, Human Papillomavirus-Related Malignant Neoplasm, Soft Tissue Sarcoma
Interventions
TTI-621 Monotherapy, TTI-621 + PD-1/PD-L1 Inhibitor, TTI-621 + pegylated interferon-α2a, TTI-621 + T-Vec, TTI-621 + radiation
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
7
States / cities
Duarte, California • New York, New York • Portland, Oregon + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced May 21, 2026, 8:11 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Ovarian Cancer, Merkel Cell Carcinoma, SCLC
Interventions
BB-10901
Drug
Lead sponsor
ImmunoGen, Inc.
Industry
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
6
States / cities
San Francisco, California • Las Vegas, Nevada • Columbus, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced May 21, 2026, 8:11 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Cutaneous Squamous Cell Carcinoma, SCC - Squamous Cell Carcinoma, Basal Cell Carcinoma, BCC, BCC - Basal Cell Carcinoma, Melanoma, Merkel Cell Carcinoma, Sebaceous Carcinoma, Extramammary Paget Disease, Kaposi Sarcoma, Head and Neck Squamous Cell Carcinoma, HNSCC, Adnexal Carcinoma, Angiosarcoma, Cutaneous Neoplasm, Advanced Cancer, Metastatic Cancer, Refractory Cancer, Solid Tumor
Interventions
MQ719, Pembrolizumab
Biological · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced May 21, 2026, 8:11 PM EDT
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Other Skin
Interventions
Autologous MCPyV-specific HLA-A02-restricted TCR-transduced CD4+ and CD8+ T-cells FH-MCVA2TCR, Avelumab, Pembrolizumab, Interferon Gamma-1b
Biological · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced May 21, 2026, 8:11 PM EDT