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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: HaTS Clear all
Terminated Phase 1Phase 2 Interventional Results available

HAT for the Treatment of Sepsis Associated With NASTI

NCT05157360
View directory record Official record
Conditions
Necrotizing Soft Tissue Infection, Sepsis
Interventions
HAT, Placebo
Drug
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational

The Neonatal Hemorrhagic Risk Assessment in Thrombocytopenia Study

NCT02371330
View directory record Official record
Conditions
Thrombocytopenia
Interventions
Not listed
Lead sponsor
Karolinska Institutet
Other
Eligibility
Not listed
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Jul 22, 2026, 10:05 AM EDT
Terminated No phase listed Observational

A Chart Review of Rituximab Plus Repeated Cycles of Dexamethasone

NCT02050581
View directory record Official record
Conditions
Idiopathic Thrombocytopenia Purpura
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2018 · Synced Jul 22, 2026, 10:05 AM EDT
Recruiting Not applicable Interventional

HEMOTAG® Assessment for Short-term Outcomes of Heart Failure

NCT04149743
View directory record Official record
Conditions
Heart Failure (HF)
Interventions
Standard of Care with Hemotag
Diagnostic Test
Lead sponsor
Aventusoft, LLC.
Industry
Eligibility
22 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Weston, Florida • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Heterosexual HIV Transmission Study (HATS)

NCT00000783
View directory record Official record
Conditions
HIV Infections, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1994
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Anti-Tac(90 Y-HAT) to Treat Hodgkin's Disease, Non-Hodgkin's Lymphoma and Lymphoid Leukemia

NCT00001575
View directory record Official record
Conditions
Hodgkin's Disease, Lymphoma, Non-Hodgkin
Interventions
Y-90 Humanized Anti-Tac, Calcium-DTPA
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 80 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 6, 2015 · Synced Jul 22, 2026, 10:05 AM EDT
Terminated Not applicable Interventional Results available

CarboMedics Top Hat vs St. Jude Medical Regent Valve Comparing Sizing and Hemodynamics

NCT00619151
View directory record Official record
Conditions
Aortic Valve Disease
Interventions
Top Hat, Regent
Device
Lead sponsor
Sorin Group USA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland • Kingsport, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 15, 2011 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 2 Interventional Results available

Human Anti-Tac (Daclizumab) to Treat Juvenile Idiopathic Arthritis (JIA)-Associated Uveitis

NCT00130637
View directory record Official record
Conditions
Anterior Uveitis, Arthritis, Juvenile Idiopathic, Iritis, Immunosuppression
Interventions
Daclizumab
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
6 Years to 18 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 29, 2017 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational

Differences in Genes and Proteins in Active and Controlled Uveitis

NCT00357266
View directory record Official record
Conditions
Ocular Inflammatory Disease, Uveitis
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
6 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Not applicable Interventional

Heterosexual HIV Transmission Study (HATS). Prospective Cohort Study

NCT00000787
View directory record Official record
Conditions
HIV Infections
Interventions
Pre- and post-test counseling
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational

Screening Protocol for Genetic Diseases of Allergic Inflammation

NCT00852943
View directory record Official record
Conditions
Eosinophilic Disease, Immune Deficiency, HaTS, Urticaria Anaphylaxis, Elevated IgE Level
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 22, 2026, 10:05 AM EDT
Recruiting Phase 1 Interventional

Phase 1 Study of OP-3136 in Advanced or Metastatic Solid Tumors

NCT06784193
View directory record Official record
Conditions
Advanced or Metastatic ER+ HER2- Breast Cancer (mBC), Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC), Advanced or Metastatic Castration-Resistant Prostate Cancer (mCRPC), Metastatic Breast Cancer, Fulvestrant, Palazestrant
Interventions
OP-3136, Fulvestrant, Palazestrant
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
7
States / cities
Sarasota, Florida • New Orleans, Louisiana • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hats on Head Start: A A Survey of Sun Protection Behaviors in Head Start and Other Early Childhood Education Programs

NCT03199573
View directory record Official record
Conditions
Sunburn
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Jul 22, 2026, 10:05 AM EDT
Completed No phase listed Observational

Understanding the Risk of Blood Clots and Bleeding in Patients With Hematological Malignancies, HAT Study

NCT05053100
View directory record Official record
Conditions
Acute Leukemia, Deep Vein Thrombosis, Hematopoietic and Lymphoid Cell Neoplasm, Hodgkin Lymphoma, Myeloproliferative Neoplasm, Non-Hodgkin Lymphoma, Plasma Cell Myeloma, Thrombocytopenia
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 3 Interventional

Home Use of Automatic External Defibrillators to Treat Sudden Cardiac Arrest

NCT00047411
View directory record Official record
Conditions
Cardiovascular Diseases, Myocardial Infarction, Heart Diseases, Death, Sudden, Cardiac
Interventions
Cardiopulmonary Resuscitation, Automatic External Defibrillation
Other · Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
7,001 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 9, 2008 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 3 Interventional Results available

The Home Telemanagement (UC HAT) Trial for Patients With Ulcerative Colitis

NCT00620126
View directory record Official record
Conditions
Inflammatory Bowel Disease, Ulcerative Colitis
Interventions
UC Home Automated Telemanagement, Best Available Care
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Plastic Hat Trial to Prevent Hypothermia in Preterm Newborns in the Delivery Room

NCT00904228
View directory record Official record
Conditions
Hypothermia
Interventions
placement of plastic cap during delivery room stabilization, placement of routine cap during delivery room stabilization
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 1 Hour
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Healthy Adolescent Transitions (HAT)

NCT03194672
View directory record Official record
Conditions
Pregnancy Prevention, Life Skill Development
Interventions
Healthy Adolescent Transitions (HAT) program
Behavioral
Lead sponsor
Jack Stevens
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
331 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 2 Interventional

HAT in Eye Complications of Behcet's Disease

NCT00001865
View directory record Official record
Conditions
Behcet's Syndrome, Retinal Disease, Uveitis
Interventions
Daclizumab
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sun Protection for Florida's Children

NCT00346021
View directory record Official record
Conditions
Skin Cancer
Interventions
Increasing hat use
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
8 Years to 11 Years
Enrollment
2,984 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Jul 22, 2026, 10:05 AM EDT
Completed Phase 1 Interventional

ANTI-TAC THERAPY FOR UVEITIS

NCT00001526
View directory record Official record
Conditions
Uveitis
Interventions
Daclizumab (Zenapax)
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 10:05 AM EDT