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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: HNPCC Clear all
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 Sep 5, 2026, 7:21 PM EDT
Completed Phase 1 Interventional

Durvalumab and Tremelimumab in Treating Patients With Microsatellite Stable Metastatic Colorectal Cancer to the Liver

NCT03005002
View directory record Official record
Conditions
Metastatic Carcinoma in the Liver, MLH1 Gene Mutation, MSH6 Gene Mutation, PMS2 Gene Mutation, Stage IV Colorectal Cancer, Stage IVA Colorectal Cancer, Stage IVB Colorectal Cancer
Interventions
Durvalumab, Laboratory Biomarker Analysis, Tremelimumab
Biological · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
19 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced Sep 5, 2026, 7:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Identifying and Caring for Individuals With Inherited Cancer Syndrome

NCT04494945
View directory record Official record
Conditions
BRCA1/2-Associated Hereditary Breast and Ovarian Cancer Syndrome, Breast Ductal Carcinoma In Situ, Hematopoietic and Lymphoid System Neoplasm, Hereditary Neoplastic Syndrome, Lynch Syndrome, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Genetic Counseling, Genetic Testing, Survey Administration
Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
27,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 5, 2026, 7:21 PM EDT
Recruiting No phase listed Observational

Lynch Syndrome Integrative Epidemiology and Genetics

NCT06582914
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2054
U.S. locations
2
States / cities
Aurora, Colorado • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 5, 2026, 7:21 PM EDT
Terminated No phase listed Observational

Ileal Pouch-Anal Anastomosis Registry

NCT01026480
View directory record Official record
Conditions
Ileal Pouch-Anal Anastomosis
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
Not listed
Enrollment
936 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Sep 5, 2026, 7:21 PM EDT
Recruiting Phase 3 Interventional

The Cancer of the Pancreas Screening-5 CAPS5)Study

NCT02000089
View directory record Official record
Conditions
Pancreas Cancer, Peutz-Jeghers Syndrome (PJS), Gene Mutation, Germline Mutation Carrier, Lynch Syndrome
Interventions
Secretin, MRI, Tumor marker gene test with CA19-9
Drug · Diagnostic Test · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
9,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
9
States / cities
New Haven, Connecticut • Baltimore, Maryland • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 5, 2026, 7:21 PM EDT
Active, not recruiting No phase listed Observational

Metagenomic Evaluation of the Gut Microbiome in Patients With Lynch Syndrome and Other Hereditary Colonic Polyposis Syndromes

NCT02371135
View directory record Official record
Conditions
Lynch Syndrome, Hereditary Colonic Polyposis Syndromes
Interventions
colonic biopsies, questionnaires
Genetic
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 5, 2026, 7:21 PM EDT
Recruiting No phase listed Observational

Men at High Genetic Risk for Prostate Cancer

NCT03805919
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
30 Years to 75 Years · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2039
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 5, 2026, 7:21 PM EDT
Completed No phase listed Observational

Registry for Women Who Are At Risk Or May Have Lynch Syndrome

NCT00508573
View directory record Official record
Conditions
Hereditary Nonpolyposis Colorectal Cancer, Lynch Syndrome
Interventions
Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 5, 2026, 7:21 PM EDT
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 Sep 5, 2026, 7:21 PM EDT
Completed Not applicable Interventional Results available

Educational CD-ROM Compared With Standard Informed Consent for Patients With Colorectal Cancer or a Family History of Colorectal Cancer

NCT00450424
View directory record Official record
Conditions
Colorectal Cancer, Hereditary Non-polyposis Colon Cancer
Interventions
counseling intervention, CD-ROM intervention
Other
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
21 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Newark, Delaware • Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Sep 5, 2026, 7:21 PM EDT
Completed Phase 1 Interventional

Naproxen in Preventing DNA Mismatch Repair Deficient Colorectal Cancer in Patients With Lynch Syndrome

NCT02052908
View directory record Official record
Conditions
Lynch Syndrome
Interventions
Laboratory Biomarker Analysis, Naproxen, Placebo Administration
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2021 · Synced Sep 5, 2026, 7:21 PM EDT
Recruiting No phase listed Observational

Prostate Cancer Genetic Risk Evaluation and Screening Study

NCT05129605
View directory record Official record
Conditions
Prostatic Neoplasm, Prostate Cancer, BRCA2 Mutation, BRCA1 Mutation, ATM Gene Mutation, MMR Mutation, Lynch Syndrome, Genetic Predisposition to Disease
Interventions
Prostate cancer screening
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
35 Years to 74 Years · Male only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2040
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 5, 2026, 7:21 PM EDT
Completed Not applicable Interventional

Integrating Genetic Testing for Lynch Syndrome in a Managed Care Setting

NCT01582841
View directory record Official record
Conditions
Colon Cancer, Lynch Syndrome
Interventions
MSI screening test
Procedure
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Sep 5, 2026, 7:21 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Molecular Predisposition to Hereditary Nonpolyposis Colon Cancer (HNPCC)

NCT01447199
View directory record Official record
Conditions
Bladder Cancer, Colorectal Cancer, Endometrial Cancer, Kidney Cancer, Skin Cancer, Uterus Cancer
Interventions
Health and Diet Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 5, 2026, 7:21 PM 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 Sep 5, 2026, 7:21 PM EDT
Not listed Phase 2 Interventional

Omega 3 Fatty Acids in Colorectal Cancer (CRC) Prevention in Patients With Lynch Syndrome (COLYNE)

NCT03831698
View directory record Official record
Conditions
Colorectal Cancer, Lynch Syndrome
Interventions
Omega-3 fatty acid ethyl esters (2 gram)
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Sep 5, 2026, 7:21 PM 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 Sep 5, 2026, 7:21 PM EDT
Active, not recruiting Phase 2 Interventional

Testing a Combination of Vaccines for Cancer Prevention in Lynch Syndrome

NCT05419011
View directory record Official record
Conditions
Colorectal Carcinoma, Colorectal Neoplasm, Lynch Syndrome
Interventions
Adenovirus 5 CEA/MUC1/Brachyury Vaccine Tri-Ad5, Biopsy Procedure, Biospecimen Collection, Colonoscopy, Nogapendekin Alfa, Placebo Administration, Questionnaire Administration
Biological · Procedure · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
13
States / cities
Phoenix, Arizona • Tucson, Arizona • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 5, 2026, 7:21 PM EDT
Active, not recruiting Not applicable Interventional

Feasibility Study: IGNITE-TX (Identifying Individuals for Genetic Testing & Treatment) Intervention

NCT05677048
View directory record Official record
Conditions
Gynecologic Cancer, Ovary Cancer, Pancreatic Cancer, Breast Cancer, Lynch Syndrome, Hereditary Breast and Ovarian Cancer Syndrome, Colon Cancer, Endometrial Cancer, Uterus Cancer
Interventions
Free genetic testing and counseling group, IGNITE-TX Group, IGNITE-TX and free genetic testing and counseling group
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 5, 2026, 7:21 PM EDT
Completed Phase 1 Interventional

Phase I-II Multiple-Dose Safety and Efficacy Study of a Selective Inhibitor of Cyclooxygenase - 2 (SC-58635) in Hereditary Non-Polyposis Colorectal Cancer (HNPCC) Patients and Carriers

NCT00001693
View directory record Official record
Conditions
Colorectal Neoplasm, Hereditary Nonpolyposis
Interventions
Celecoxib (SC-58635)
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 7:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Telemedicine vs. Face-to-Face Cancer Genetic Counseling

NCT00609505
View directory record Official record
Conditions
Hereditary Breast and Ovarian Cancer Syndrome, Lynch Syndrome
Interventions
Telemedicine, Face-to-Face
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
4
States / cities
Henderson, North Carolina • Laurinburg, North Carolina • Lumberton, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2012 · Synced Sep 5, 2026, 7:21 PM EDT
Completed No phase listed Observational

Psychosocial Aspects of Genetic Testing for Hereditary Nonpolyposis Colon Cancer

NCT00341575
View directory record Official record
Conditions
HNPCC, Hereditary Nonpolyposis Colon Cancer
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 82 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 7:21 PM EDT
Completed Not applicable Interventional

Cycling in Preventing Colorectal Cancer in Participants With Lynch Syndrome

NCT03495674
View directory record Official record
Conditions
High-Frequency Microsatellite Instability, Mismatch Repair Gene Mutation, Mutation-Negative Lynch Syndrome, Mutation-Positive Lynch Syndrome
Interventions
Exercise Intervention, Informational Intervention, Monitoring Device, Questionnaire Administration
Behavioral · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 5, 2026, 7:21 PM EDT