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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:43 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 121–144 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Letters Clear all
Completed Phase 1 Interventional

Intravitreal Aflibercept Injection (IAI) for Presumed Ocular Histoplasmosis Syndrome

NCT01578720
View directory record Official record
Conditions
Choroidal Neovascularization, Presumed Ocular Histoplasmosis
Interventions
EYLEA (Aflibercept) intravitreal injection
Drug
Lead sponsor
Retina Research Institute, LLC
Other
Eligibility
21 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
3
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Family Listening Program: Multi-Tribal Implementation and Evaluation

NCT03142009
View directory record Official record
Conditions
Substance Abuse
Interventions
Intergenerational culturally adapted curriculum
Other
Lead sponsor
University of New Mexico
Other
Eligibility
8 Years to 11 Years
Enrollment
266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
3
States / cities
Jemez Pueblo, New Mexico • Mescalero, New Mexico • Pinehill, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional

TBI Evaluation and Management (TEaM)

NCT04576715
View directory record Official record
Conditions
Mild Traumatic Brain Injury
Interventions
TEaM Intervention, Standard of Care
Behavioral
Lead sponsor
Emory University
Other
Eligibility
5 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating a Real-Time, Remote Monitoring System for Home-Based HIV Testing

NCT02876926
View directory record Official record
Conditions
HIV
Interventions
"Smart" home-based test for HIV, Home-based testing only, Reminder letters for clinic-based testing
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 19, 2019 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Using Personalized Letters and Emails to Increase Health Insurance Take-up and Improve Plan Choice Quality

NCT05216458
View directory record Official record
Conditions
Health Behavior
Interventions
Emails and letter intervention, Control group
Behavioral
Lead sponsor
Office of Evaluation Sciences
Federal
Eligibility
Not listed
Enrollment
44,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Results available

Improving Performance of Paracentesis in Medical Residency Training

NCT01403987
View directory record Official record
Conditions
Ascites, Cirrhosis
Interventions
Residency Program Teaching, Lecture, Pocket Card Reference, Pager
Behavioral · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Can Tailored Patient Letters Improve The Quality Of Diabetic Patient Care?

NCT00984841
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Tailored letter
Other
Lead sponsor
Scranton-Temple Residency Program
Other
Eligibility
18 Years to 75 Years
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 25, 2009 · Synced Oct 25, 2026, 5:43 PM EDT
Recruiting Not applicable Interventional

Re-Engaging AYA Survivors in Cancer-Related Healthcare

NCT07138040
View directory record Official record
Conditions
Cancer
Interventions
Stage 1 Written Information, Stage 1 Low Touch Intervention, Stage 2 Written Information, Stage 2 Low Touch Intervention, Stage 2 High Touch Intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
15 Years to 29 Years
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Columbus, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 25, 2026, 5:43 PM EDT
Recruiting Not applicable Interventional

Feasibility/Acceptability of Attentional-Control Training in Survivors

NCT05528939
View directory record Official record
Conditions
Pediatric Cancer, Pediatric ALL, Pediatric Brain Tumor, Attention Difficulties, Cognitive Deficit in Attention
Interventions
EndeavorRx, Control video game
Device · Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
8 Years to 16 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2025 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Results available

Reducing the Transition From Acute to Chronic Musculoskeletal Pain Among Older Adults

NCT04118595
View directory record Official record
Conditions
Acute Musculoskeletal Pain, Chronic Pain
Interventions
Educational Video, Telecare, Correspondence with Primary Care Provider
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
50 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Oct 25, 2026, 5:43 PM EDT
Completed No phase listed Observational

Working Memory and School Readiness in Preschool-Aged Children With Sickle Cell Disease

NCT02227472
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Evaluation of cognitive and pre-academic skills, Parent questionnaires
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
48 Months to 68 Months
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Precision Nudging Drives Wellness Visit Attendance at Scale

NCT05509049
View directory record Official record
Conditions
Women's Health, Annual Visit, Well Visit, Health Behavior, Prevention
Interventions
Precision nudging, Standard of care
Other
Lead sponsor
Lirio
Industry
Eligibility
21 Years to 65 Years · Female only
Enrollment
30,068 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 25, 2026, 5:43 PM EDT
Recruiting Not applicable Interventional

Transcranial Direct Current Stimulation and Rehabilitation to Ameliorate Impairments in Neurocognition After Stroke

NCT04897334
View directory record Official record
Conditions
Ischemic Stroke, Cognitive Impairment
Interventions
tDCS, sham tDCS, Cognitive Therapy
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional

Now Matters Now: An Online Suicide Prevention Program

NCT01924936
View directory record Official record
Conditions
Suicide, Suicide, Attempted, Suicidal Ideation
Interventions
DBT Online Program
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 25, 2026, 5:43 PM EDT
Not yet recruiting Not applicable Interventional

Smoking Cessation Intervention for Young Adults Using MTM: A Randomized Controlled Trial

NCT07104006
View directory record Official record
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Multi-Theory Model (MTM)-Based Smoking Cessation Program
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 29 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 25, 2026, 5:43 PM EDT
Recruiting No phase listed Observational

Longitudinal Natural History Study of Retinal Function in Eyes of Patients With Diabetes

NCT07270133
View directory record Official record
Conditions
Diabetic Retinal Disease
Interventions
Visual Acuity, Reading Speed, Visual Field testing, Contrast sensitivity, Electroretinography (ERG) and pupillography in light- and dark-adapted states, Ultrawide field-color photograph, Ultrawide field-Fluorescein angiogram, Optical coherence tomography, Optical coherence tomography- Angiography
Diagnostic Test · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
8
States / cities
Huntington Beach, California • Augusta, Georgia • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Results available

Promoting Adherence to Improve Effectiveness of Cardiovascular Disease Therapies

NCT01251757
View directory record Official record
Conditions
Diabetes Mellitus, Cardiovascular Disease
Interventions
Interactive Voice Recognition (IVR) phone calls, Educational mailings and follow-up for nonadherence
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
40 Years and older
Enrollment
21,752 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
3
States / cities
Atlanta, Georgia • Honolulu, Hawaii • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Oct 25, 2026, 5:43 PM EDT
Terminated No phase listed Observational

Eye Movement Testing in Patients With Obesity and the Impact of Weight Loss Surgery

NCT04940429
View directory record Official record
Conditions
Bariatric Surgery Candidate, Obesity, Morbid
Interventions
Neurofit, Psychometric hepatic encephalopathy score
Device · Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2021 · Synced Oct 25, 2026, 5:43 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

I Vaccinate: Testing Multi-Level Interventions to Improve HPV Vaccination

NCT04452526
View directory record Official record
Conditions
Cervical Carcinoma, Human Papillomavirus-Related Malignant Neoplasm
Interventions
Best Practice, Educational Intervention, Questionnaire Administration, Reminder
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
11 Years and older
Enrollment
372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
4
States / cities
Lexington, Kentucky • Columbus, Ohio • Charlottesville, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Dopamine on Diabetic Retinopathy

NCT02706977
View directory record Official record
Conditions
Diabetes
Interventions
Low Dose Sinemet CR, High Dose Sinemet CR, RETeval Electroretinogram (ERG) Testing, Contrast Sensitivity Testing, Visual Acuity Testing
Drug · Device · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Financial Incentives to Increase Colorectal Cancer Screening in Priority Populations

NCT03080701
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Auto Mailing Plus Money, Auto Mailing Plus Lottery
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years to 75 Years
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 5, 2019 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Mammography FastTrack Program in Increasing the Number of Women Undergoing Breast Cancer Screening

NCT00462891
View directory record Official record
Conditions
Breast Cancer
Interventions
IT System
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
6,730 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2013 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Colonoscopy Screening: Setting Epic Follow-up Times

NCT05631873
View directory record Official record
Conditions
Concordance Between Colonoscopy Follow up Interval Noted in Patient Letters vs. Electronic Health Record Chart, Colorectal Cancer
Interventions
Assistance with implementing Epic Smartlist
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 25, 2026, 5:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

iADAPT: Off Label Use of Antipsychotics in the Nursing Home

NCT01347619
View directory record Official record
Conditions
Off-label Use of Atypical Antipsychotic Drugs
Interventions
Toolkit only with Web Access to Online Version, Toolkit, Periodic Audit/Feedback, Educational Messages, Items in Arm 2 plus Academic Detailing Program
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rocky Hill, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Oct 25, 2026, 5:43 PM EDT