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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Retrospective Populations Clear all
Terminated No phase listed Observational

Study to Detect Unrecognized Mucopolysaccharidosis in Children Visiting Rheumatology, Hand or Skeletal Dysplasia Clinics

NCT01675674
View directory record Official record
Conditions
Mucopolysaccharidoses, Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis IV, Mucopolysaccharidosis VI
Interventions
Dried blood spot test for MPS
Other
Lead sponsor
National MPS Society
Other
Eligibility
6 Months to 18 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
New Brunswick, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated May 23, 2013 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Bassini Inguinal Hernia Repair: Obsolete Or Still A Viable Surgical Option?

NCT04888078
View directory record Official record
Conditions
Inguinal Hernia, Surgery--Complications, Surgical Complication
Interventions
Bassini hernia repair
Procedure
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 16, 2021 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

Acute MI UDMI Staging Diagnosis by High-sensitivity Cardiac Troponin-I

NCT07163988
View directory record Official record
Conditions
Acute Myocardial Infarction (AMI)
Interventions
Not listed
Lead sponsor
Rohan Dharmakumar
Other
Eligibility
18 Years to 79 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 22, 2026, 10:06 AM EDT
Not yet recruiting No phase listed Observational

Occlutech AFR Fontan Study

NCT07532369
View directory record Official record
Conditions
Failure of Fontan Type Circulation, Fenestration, Univentricular Heart, Congenital Anomaly
Interventions
Occlutech Atrial Flow Regulator Retrospective Data Collection
Device
Lead sponsor
Occlutech International AB
Industry
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

Natural Disease Progression in Participants With Choroideremia

NCT04795206
View directory record Official record
Conditions
Choroideremia
Interventions
No Intervention
Other
Lead sponsor
Biogen
Industry
Eligibility
10 Years and older
Enrollment
1,178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2021 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

Treatment Patterns in Metastatic Prostate Cancer

NCT02729103
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Xofigo (Radium 223 dichloride,BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
45 Years and older · Male only
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Sep 22, 2026, 10:06 AM EDT
Completed Phase 4 Interventional Results available

Hepatitis C Treatment in PWIDs: MAT or Syringe Exchange Assisted-therapy vs Standard of Care

NCT03093415
View directory record Official record
Conditions
Hepatitis C, Substance Use Disorders, Substance Abuse, Intravenous
Interventions
elbasvir-grazoprevir (50 mg/100 mg)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Sep 22, 2026, 10:06 AM EDT
Enrolling by invitation No phase listed Observational

Prevalence of BK Viremia in Simultaneous Liver-Kidney Transplant

NCT05224583
View directory record Official record
Conditions
Polyomavirus Infections, BK Viremia, Liver Transplant Infection, Kidney Transplant Infection
Interventions
Simultaneous Liver-Kidney Transplant
Procedure
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
50 participants
Timeline
2021 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational Results available

The Comparative Safety and Effectiveness of Warfarin and Dabigatran Prescribed in the Non-valvular Atrial Fibrillation Population With Humana Healthcare Coverage

NCT02061748
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Observational
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 89 Years
Enrollment
38,499 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Sep 22, 2026, 10:06 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population

NCT06744673
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Pregnancy
Interventions
No Intervention
Other
Lead sponsor
Eisai Inc.
Industry
Eligibility
16 Years to 49 Years · Female only
Enrollment
861 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Nutley, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Sep 22, 2026, 10:06 AM EDT
Recruiting No phase listed Observational

COMPARE - Pediatric Inflammatory Bowel Disease (PIBD)

NCT07198113
View directory record Official record
Conditions
Ulcerative Colitis, Pediatric, Inflammatory Bowel Diseases, Crohn Disease
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Year to 18 Years
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Chapel Hill, North Carolina • Charlotte, North Carolina • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational Results available

The Comparative Safety and Effectiveness of Dabigatran, Versus Rivaroxaban, and Apixaban Utilized in the Department of Defense Non-Valvular Atrial Fibrillation Patient Population: A Retrospective Database Analysis

NCT03026556
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dabigatran vs. Rivaroxaban, Dabigatran vs. Apixaban
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
42,534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 2, 2019 · Synced Sep 22, 2026, 10:06 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Atypia of Undetermined Significance (AUS) / Follicular Lesion of Undetermined Significance (FLUS)

NCT03224754
View directory record Official record
Conditions
Diagnoses Disease
Interventions
Determination of risk of malignancy of these thyroid lesions
Behavioral
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

ILAs in CT Lung Cancer Screening Population

NCT04503044
View directory record Official record
Conditions
Interstitial Lung Disease, IPF
Interventions
Retrospective observational study
Other
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
1,703 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Sep 22, 2026, 10:06 AM EDT
Recruiting No phase listed Observational

Registry Study to Evaluate the Clinical Outcome of Cancer Patients and Benign Diseases Treated With Radiation

NCT03617237
View directory record Official record
Conditions
Cancer
Interventions
Retrospective Populations
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2032
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 22, 2026, 10:06 AM EDT
Terminated Phase 2 Interventional Results available

Bupivacaine for Benign Headache in the ED

NCT01785459
View directory record Official record
Conditions
Benign Headache
Interventions
0.5% bupivacaine, Standard Care
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Sep 22, 2026, 10:06 AM EDT
Not listed Phase 2 Interventional

Metoclopramide, Azithromycin, or Nondrug Pretreatment for UGIB to Reduce Second Endoscopy

NCT03840057
View directory record Official record
Conditions
Gastro Intestinal Bleeding, Upper Gastrointestinal Bleeding
Interventions
Azithromycin Injection, Metoclopramide Injectable Solution, Sodium chloride 0.9%
Drug
Lead sponsor
Waihong Chung
Other
Eligibility
18 Years and older
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

A Real-world Study About the Impact of Siponimod Treatment on Secondary Progressive Multiple Sclerosis Patients in Russia

NCT07168694
View directory record Official record
Conditions
Secondary Progressive Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 22, 2026, 10:06 AM EDT
Terminated Phase 2 Interventional Results available

A Study to Examine Past Estimated Glomerular Filtration Rate (eGFR) Slope as a Risk Marker for Rapid Kidney Function Decline in People With Chronic Kidney Disease

NCT04881448
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
collection of serum/capillary creatinine values
Diagnostic Test
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
19
States / cities
Huntsville, Alabama • Victorville, California • Bloomfield, Connecticut + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational Results available

The Safety and Effectiveness of Warfarin and Dabigatran Prescribed in the Non-Valvular Atrial Fibrillation Population With DoD Healthcare Coverage

NCT02043808
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
25,586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2015 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

A Prospective, Observational Study of Pregnancy Outcomes Among Women Exposed to Truvada for PrEP Indication

NCT01865786
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
Gilead Sciences
Industry
Eligibility
Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

Risk of Acute Liver Injury in Users of Antimicrobials

NCT01434173
View directory record Official record
Conditions
Drug-Induced Liver Injury
Interventions
Moxifloxacin (Avelox, BAY12-8039), Amoxicillin, Amoxicillin plus clavulanic acid, Cefuroxime, Clarithromycin, Doxycycline, Levofloxacin, Telithromycin
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,299,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Many Locations, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 7, 2014 · Synced Sep 22, 2026, 10:06 AM EDT
Not yet recruiting Not applicable Interventional

Hyperbaric Oxygen Treatment for Necrotizing Fasciitis and Necrotizing Soft Tissue Infections

NCT07170020
View directory record Official record
Conditions
Necrotizing Fascitis
Interventions
Hyperbaric Oxygen Therapy
Procedure
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 22, 2026, 10:06 AM EDT
Completed No phase listed Observational

Post-Traumatic Stress Symptoms (PTSS) in Transplant Recipients

NCT02892266
View directory record Official record
Conditions
Solid Organ Transplant Recipients, Parent(s)/Guardian of Referenced Transplant Recipients
Interventions
Assessment of adherence, mental health, behavioral, quality of life and biological constructs
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 17 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
13
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2019 · Synced Sep 22, 2026, 10:06 AM EDT