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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: HNPCC Clear all
Completed No phase listed Observational

Hereditary Colorectal and Associated Tumor Registry Study

NCT00633607
View directory record Official record
Conditions
Lynch Syndrome, FAP, Hereditary Diffuse Gastric Cancer, Juvenile Polyposis Syndrome, Peutz-Jeghers Syndrome
Interventions
Research Registry
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
8 Years to 100 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced Jul 21, 2026, 11:30 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Web-Based Program (Kindred) to Improve the Understanding of Genetic Cancer Risk and Cancer Genetic Testing in African American Families

NCT07542405
View directory record Official record
Conditions
BRCA1-Related Hereditary Breast and Ovarian Cancer Syndrome, BRCA2-Related Hereditary Breast and Ovarian Cancer Syndrome, Hereditary Neoplastic Syndrome, Lynch Syndrome
Interventions
Discussion, Internet-Based Intervention, Survey Administration, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cascade Testing in Families With Newly Diagnosed Hereditary Breast and Ovarian Cancer Syndrome

NCT04009148
View directory record Official record
Conditions
BRCA-Mutated Ovarian Carcinoma, BRIP1 Gene Mutation, MSH2 A636P, MLH1 Gene Mutation, MSH6 Gene Mutation, PMS2 Gene Mutation, EPCAM, RAD51C Gene Mutation
Interventions
CASCADE genetic screening
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Active, not recruiting Phase 2 Interventional

Talimogene Laherparepvec and Nivolumab in Treating Patients With Refractory Lymphomas or Advanced or Refractory Non-melanoma Skin Cancers

NCT02978625
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 Jul 21, 2026, 11:30 AM EDT
Completed Phase 2 Interventional

Hormone Therapy in Preventing Endometrial Cancer in Patients With a Genetic Risk For Hereditary Nonpolyposis Colon Cancer

NCT00033358
View directory record Official record
Conditions
Endometrial Cancer
Interventions
medroxyprogesterone, ethinyl estradiol, norgestrel, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 2, 2013 · Synced Jul 21, 2026, 11:30 AM EDT
Active, not recruiting No phase listed Observational

Multi-Organ Screening Recommendations in Patients With Lynch Syndrome

NCT00582296
View directory record Official record
Conditions
Lynch Syndrome
Interventions
questionnaires, telephone interview, optional blood drawn, questionnaires, telephone interview and optional blood drawn
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2026
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Completed Not applicable Interventional

Study of the Results of Education and Counseling for Persons Undergoing Genetic Testing for Hereditary Nonpolyposis Colon Cancer

NCT00004210
View directory record Official record
Conditions
Colorectal Cancer
Interventions
loss of heterozygosity analysis, microsatellite instability analysis, mutation analysis, counseling intervention
Other
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Jul 21, 2026, 11:30 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

The Pancreas Interception Center (PIC) for Early Detection, Prevention, and Novel Therapeutics

NCT05692596
View directory record Official record
Conditions
Pancreatic Ductal Adenocarcinoma, Pancreatic Cyst, Chronic Pancreatitis, Fatty Pancreas, Genetic Pancreatic Cancer, Genetic Pancreatitis, BRCA Mutation, Lynch Syndrome, FAP, Familial Atypical Multiple Mole-Melanoma, PALB2 Gene Mutation, Peutz-Jeghers Syndrome, Ataxia Telangiectasia
Interventions
Data collection
Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Completed No phase listed Observational

Screening for Gynecologic Cancers in Hereditary Nonpolyposis Colorectal Cancer (HNPCC) Patients

NCT00508846
View directory record Official record
Conditions
Colon Cancer
Interventions
Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years and older · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2016 · Synced Jul 21, 2026, 11:30 AM EDT
Enrolling by invitation Not applicable Interventional

Patient Centered Clinical Decision Support for Hereditary Cancer Syndromes

NCT06914726
View directory record Official record
Conditions
Hereditary Breast/Ovarian Cancer (brca1, brca2), Lynch Syndrome, Genetic Variation, HBOC Syndrome, Hereditary Cancer Syndromes
Interventions
Patient Centered Clinical Decision Support (PC-CDS)
Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
2,488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study for Imaging the Lower Gastrointestinal Tract Using a Retro-TCE Capsule

NCT07219537
View directory record Official record
Conditions
Lynch Syndrome, Crohn Disease, Inflammatory Bowel Diseases, Healthy
Interventions
Feasibility of using an OCT-based Retrograde Tethered Capsule Endomicroscope device to image the lower GI tract
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jul 21, 2026, 11:30 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Atorvastatin ± Aspirin in Lynch Syndrome Syndrome

NCT04379999
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Atorvastatin 20mg, Atorvastatin 20mg AND Aspirin 325 mg
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Jul 21, 2026, 11:30 AM EDT
Recruiting No phase listed Observational

Familial Investigations of Childhood Cancer Predisposition

NCT03050268
View directory record Official record
Conditions
Acute Leukemia, Adenomatous Polyposis, Adrenocortical Carcinoma, AML, BAP1 Tumor Predisposition Syndrome, Carney Complex, Choroid Plexus Carcinoma, Constitutional Mismatch Repair Deficiency Syndrome, Diamond-Blackfan Anemia, DICER1 Syndrome, Dyskeratosis Congenita, Emberger Syndrome, Familial Acute Myeloid Leukemia, Familial Adenomatous Polyposis, Fanconi Anemia, Familial Cancer, Familial Wilms Tumor, Familial Neuroblastoma, GIST, Hereditary Breast and Ovarian Cancer, Hereditary Paraganglioma-Pheochromocytoma Syndrome, Hodgkin Lymphoma, Juvenile Polyposis, Li-Fraumeni Syndrome, Lynch Syndrome, MDS, Melanoma Syndrome, Multiple Endocrine Neoplasia Type 1, Multiple Endocrine Neoplasia Type 2, Neuroblastoma, Neurofibromatosis Type 1, Neurofibromatosis Type II, Nevoid Basal Cell Carcinoma Syndrome, Non Hodgkin Lymphoma, Noonan Syndrome and Other Rasopathy, Overgrowth Syndromes, Pancreatic Cancer, Peutz-Jeghers Syndrome, Pheochromocytoma/Paraganglioma, PTEN Hamartoma Tumor Syndrome, Retinoblastoma, Rhabdoid Tumor Predisposition Syndrome, Rhabdomyosarcoma, Rothmund-Thomson Syndrome, Tuberous Sclerosis, Von Hippel-Lindau Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2037
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Not listed No phase listed Observational

Pancreatic Cancer Early Detection Program

NCT02206360
View directory record Official record
Conditions
Pancreatic Cancer, Pancreas Cancer, Pancreatic Adenocarcinoma, Familial Pancreatic Cancer, BRCA 1/2, HNPCC, Lynch Syndrome, Hereditary Pancreatitis, FAMMM, Familial Atypical Multiple Mole Melanoma, Peutz Jeghers Syndrome
Interventions
Endoscopic Ultrasound, Magnetic Resonance Imaging (MRI)
Procedure
Lead sponsor
White Plains Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
White Plains, New York
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Jul 21, 2026, 11:30 AM EDT
Terminated Early Phase 1 Interventional

Tislelizumab for the Treatment of Recurrent Mismatch Repair Deficient Endometrial Cancer

NCT04906382
View directory record Official record
Conditions
Lynch Syndrome, Recurrent Endometrial Carcinoma, Recurrent Endometrial Clear Cell Adenocarcinoma, Recurrent Uterine Corpus Carcinosarcoma, Mismatch Repair Deficiency, Recurrent Endometrial Cancer, Metastatic Endometrial Cancer
Interventions
Biopsy, Carboplatin, Paclitaxel, Tislelizumab
Procedure · Drug · Biological
Lead sponsor
Floor Backes, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Jul 21, 2026, 11:30 AM EDT
Active, not recruiting Phase 1 Interventional

Pembrolizumab in Treating Younger Patients With Recurrent, Progressive, or Refractory High-Grade Gliomas, Diffuse Intrinsic Pontine Gliomas, Hypermutated Brain Tumors, Ependymoma or Medulloblastoma

NCT02359565
View directory record Official record
Conditions
Constitutional Mismatch Repair Deficiency Syndrome, Lynch Syndrome, Malignant Glioma, Recurrent Brain Neoplasm, Recurrent Childhood Ependymoma, Recurrent Diffuse Intrinsic Pontine Glioma, Recurrent Medulloblastoma, Refractory Brain Neoplasm, Refractory Diffuse Intrinsic Pontine Glioma, Refractory Ependymoma, Refractory Medulloblastoma
Interventions
Biospecimen Collection, Conventional Magnetic Resonance Imaging, Diffusion Tensor Imaging, Diffusion Weighted Imaging, Dynamic Contrast-enhanced MR Perfusion, Dynamic Susceptibility Contrast-Perfusion-Weighted Imaging, Magnetic Resonance Spectroscopic Imaging, Pembrolizumab
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 30 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
11
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Initial Testing of a Behavioral Intervention About Genetic Services for Families at Risk of Lynch Syndrome

NCT07106359
View directory record Official record
Conditions
Cascade Testing, Lynch Syndrome, Decision Making, Colorectal Cancer, Uterine Cancer, Cancer Prevention
Interventions
Information Letter and Booklet, Information Letter
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 11:30 AM EDT
Completed No phase listed Observational

National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions

NCT01322165
View directory record Official record
Conditions
Marfan Syndrome, Turner Syndrome, Ehlers-Danlos Syndrome, Loeys-Dietz Syndrome, FBN1, TGFBR1, TGFBR2, ACTA2 or MYH11 Genetic Mutation, Bicuspid Aortic Valve Without Known Family History, Bicuspid Aortic Valve With Family History, Bicuspid Aortic Valve With Coarctation, Familial Thoracic Aortic Aneurysm and Dissections, Shprintzen-Goldberg Syndrome, Other Aneur/Diss of Thoracic Aorta Not Due to Trauma, <50yo, Other Congenital Heart Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
3,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
7
States / cities
Honolulu, Hawaii • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Jul 21, 2026, 11:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial to Compare eConsent With Standard Consent Among Prospective Biobank Participants

NCT04131062
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Electronic Consent (iPad)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
703 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 26, 2022 · Synced Jul 21, 2026, 11:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Uncertain Genetic Test Results for Lynch Syndrome

NCT01646112
View directory record Official record
Conditions
HNPCC
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 21, 2026, 11:30 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

A Social Media Approach to Improve Genetic Risk Communication Phase I

NCT01645904
View directory record Official record
Conditions
Hereditary Diseases
Interventions
Audiotaped Focus Group, Demographic Questionnaire, Audiotaped Interview, WAMMI Inventory
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Jul 21, 2026, 11:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adherence to Colon Cancer Screening (ACCS)

NCT02112747
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer
Interventions
Patient Navigator
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
25 Years to 75 Years
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Jul 21, 2026, 11:30 AM EDT
Terminated Phase 2 Interventional Results available

Nivolumab in Preventing Colon Adenomas in Participants With Lynch Syndrome and a History of Partial Colectomy

NCT03631641
View directory record Official record
Conditions
Colon Adenoma, Colon Carcinoma, Lynch Syndrome, MLH1 Gene Mutation, MSH2 Gene Mutation
Interventions
Nivolumab
Biological
Lead sponsor
John Hays
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Jul 21, 2026, 11:30 AM EDT
Enrolling by invitation Not applicable Interventional

Strategy for Management of Patients With Hereditary Cancer Syndromes (HCS) in a Rural Environment

NCT07381985
View directory record Official record
Conditions
Hereditary Cancer Syndromes, BRCA1 Hereditary Breast and Ovarian Cancer Syndrome, Lynch Syndrome
Interventions
Longitudinal Cancer Genetics Follow-Up Program
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jul 21, 2026, 11:30 AM EDT