{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Merkel+Cell+Carcinoma", "query": { "condition": "Refractory Merkel Cell Carcinoma" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 12, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Merkel+Cell+Carcinoma&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-05-22T03:06:20.978Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT03435640", "title": "REVEAL Study of NKTR-262 in Combination With NKTR-214 and Nivolumab in Patients With Locally Advanced / Metastatic Solid Tumor Malignancies", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Melanoma", "Merkel Cell Carcinoma", "Triple Negative Breast Cancer", "Head and Neck Squamous Cell Carcinoma", "Renal Cell Carcinoma", "Colorectal Cancer", "Sarcoma" ], "interventions": [ { "name": "NKTR-262", "type": "DRUG" }, { "name": "bempegaldesleukin", "type": "DRUG" }, { "name": "nivolumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Nektar Therapeutics", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 64, "start_date": "2018-03-15", "completion_date": "2022-05-09", "has_results": true, "last_update_posted_date": "2023-03-08", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 14, "location_summary": "Scottsdale, Arizona • La Jolla, California • Tampa, Florida + 11 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "La Jolla", "state": "California" }, { "city": "Tampa", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Fairway", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03435640" }, { "nct_id": "NCT02978625", "title": "Talimogene Laherparepvec and Nivolumab in Treating Patients With Refractory Lymphomas or Advanced or Refractory Non-melanoma Skin Cancers", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "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": [ { "name": "Biopsy Procedure", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Nivolumab", "type": "BIOLOGICAL" }, { "name": "Positron Emission Mammography", "type": "PROCEDURE" }, { "name": "Talimogene Laherparepvec", "type": "BIOLOGICAL" } ], "intervention_types": [ "PROCEDURE", "OTHER", "BIOLOGICAL" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 68, "start_date": "2017-09-27", "completion_date": "2027-09-01", "has_results": false, "last_update_posted_date": "2026-05-13", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 36, "location_summary": "Los Angeles, California • Orange, California • Pasadena, California + 28 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02978625" }, { "nct_id": "NCT05947500", "title": "Testing the Combination of Two Anticancer Drugs M1774 (Tuvusertib) and Avelumab to Evaluate Their Safety and Effectiveness in Treating Merkel Cell Skin Cancer, MATRiX Trial", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "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": [ { "name": "Avelumab", "type": "DRUG" }, { "name": "Biopsy Procedure", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Tuvusertib", "type": "DRUG" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 50, "start_date": "2024-05-21", "completion_date": "2028-01-01", "has_results": false, "last_update_posted_date": "2026-05-13", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 50, "location_summary": "Irvine, California • La Jolla, California • Los Angeles, California + 39 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05947500" }, { "nct_id": "NCT05864144", "title": "A Study of SNS-101 (Anti VISTA) Monotherapy and in Combination With Cemiplimab in Patients With Advanced Solid Tumors", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "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": [ { "name": "SNS-101 (anti-VISTA)", "type": "DRUG" }, { "name": "Cemiplimab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sensei Biotherapeutics, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 98, "start_date": "2023-05-31", "completion_date": "2027-06", "has_results": false, "last_update_posted_date": "2025-08-15", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 10, "location_summary": "Los Angeles, California • Aurora, Colorado • Louisville, Kentucky + 7 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Louisville", "state": "Kentucky" }, { "city": "Detroit", "state": "Michigan" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05864144" }, { "nct_id": "NCT03901573", "title": "High-Risk Skin Cancers With Atezolizumab Plus NT-I7", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Melanoma", "Merkel Cell Carcinoma", "Cutaneous Squamous Cell Carcinoma" ], "interventions": [ { "name": "NT-I7", "type": "DRUG" }, { "name": "atezolizumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "NeoImmuneTech", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 31, "start_date": "2019-12-26", "completion_date": "2023-08-15", "has_results": true, "last_update_posted_date": "2025-10-22", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 8, "location_summary": "Duarte, California • Chicago, Illinois • Boston, Massachusetts + 4 more", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT03901573" }, { "nct_id": "NCT00002947", "title": "Indium In 111 Pentetreotide in Treating Patients With Refractory Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "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": [ { "name": "indium In 111 pentetreotide", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 35, "start_date": "1996-10", "completion_date": "2004-08", "has_results": false, "last_update_posted_date": "2014-07-02", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002947" }, { "nct_id": "NCT03538028", "title": "A Safety and Tolerability Study of INCAGN02385 in Select Advanced Malignancies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "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": [ { "name": "INCAGN02385", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Incyte Biosciences International Sàrl", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2018-06-18", "completion_date": "2020-10-07", "has_results": false, "last_update_posted_date": "2020-10-30", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 4, "location_summary": "Los Angeles, California • Hackensack, New Jersey • Huntersville, North Carolina + 1 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Hackensack", "state": "New Jersey" }, { "city": "Huntersville", "state": "North Carolina" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT03538028" }, { "nct_id": "NCT06056895", "title": "Triple Immune Checkpoint Inhibition for Advanced or Metastatic PD-(L)1 Refractory Merkel Cell Carcinoma", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Unresectable Clinical Stage III Merkel Cell Carcinoma AJCC v8", "Clinical Stage IV Merkel Cell Carcinoma AJCC v8", "Merkel Cell Carcinoma" ], "interventions": [ { "name": "Biopsy", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Retifanlimab", "type": "BIOLOGICAL" }, { "name": "Tuparstobart", "type": "DRUG" }, { "name": "Verzistobart", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "BIOLOGICAL", "DRUG" ], "sponsor": "University of Washington", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 12, "start_date": "2023-11-08", "completion_date": "2027-04-30", "has_results": false, "last_update_posted_date": "2026-01-15", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT06056895" }, { "nct_id": "NCT02890368", "title": "Trial of Intratumoral Injections of TTI-621 in Subjects With Relapsed and Refractory Solid Tumors and Mycosis Fungoides", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Solid Tumors", "Mycosis Fungoides", "Melanoma", "Merkel-cell Carcinoma", "Squamous Cell Carcinoma", "Breast Carcinoma", "Human Papillomavirus-Related Malignant Neoplasm", "Soft Tissue Sarcoma" ], "interventions": [ { "name": "TTI-621 Monotherapy", "type": "DRUG" }, { "name": "TTI-621 + PD-1/PD-L1 Inhibitor", "type": "DRUG" }, { "name": "TTI-621 + pegylated interferon-α2a", "type": "DRUG" }, { "name": "TTI-621 + T-Vec", "type": "OTHER" }, { "name": "TTI-621 + radiation", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 56, "start_date": "2016-09", "completion_date": "2020-03-31", "has_results": false, "last_update_posted_date": "2023-04-05", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 7, "location_summary": "Duarte, California • New York, New York • Portland, Oregon + 3 more", "locations": [ { "city": "Duarte", "state": "California" }, { "city": "New York", "state": "New York" }, { "city": "New York", "state": "New York" }, { "city": "Portland", "state": "Oregon" }, { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02890368" }, { "nct_id": "NCT00346385", "title": "BB-10901 in Treating Patients With Relapsed or Refractory Solid Tumors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Ovarian Cancer", "Merkel Cell Carcinoma", "SCLC" ], "interventions": [ { "name": "BB-10901", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "ImmunoGen, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 97, "start_date": "2002-03", "completion_date": "2011-10", "has_results": false, "last_update_posted_date": "2015-03-26", "last_synced_at": "2026-05-22T03:06:20.978Z", "location_count": 6, "location_summary": "San Francisco, California • Las Vegas, Nevada • Columbus, Ohio + 3 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Las Vegas", "state": "Nevada" }, { "city": "Columbus", "state": "Ohio" }, { "city": "Oklahoma City", "state": "Oklahoma" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00346385" } ] }