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Completed No phase listed Observational Results available

Heparin-Induced Thrombocytopenia - Retrospective Analysis of Data on Incidence and Outcomes Study

ClinicalTrials.gov ID: NCT01178333

Public ClinicalTrials.gov record NCT01178333. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 16, 2026, 9:18 PM EDT

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

Official title

Heparin-Induced Thrombocytopenia - Retrospective Analysis of Data on Incidence and Outcomes Study (HIT-RADIO Study)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

HIT-RADIO is a study of patients who had a positive heparin PF-4 antibody test between 1/21/2008 and 9/25/2008 at selected hospitals. The study will collect and analyse information that is already in the patients' medical records. Information about laboratory values (such as platelet counts), treatments (such as medications), and outcomes (such as blood clots, amputation, and death) will be included.

Study identification

NCT ID
NCT01178333
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Carelon Research
Other
Enrollment
668 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 2010 (Type not available)
Primary completion
Dec 2010 (Actual)
Completion
Dec 2010 (Actual)
Last update posted
May 22, 2015

2010

United States locations

U.S. sites
21
U.S. states
11
U.S. cities
15
Facility City State ZIP Site status
University of Iowa Iowa City Iowa 52242 —
Tulane University New Orleans Louisiana 70112 —
University of Maryland Greenebaum Cancer Center Baltimore Maryland 21201 —
Johns Hopkins Baltimore Maryland 21205 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
Children's Hospital, Boston Boston Massachusetts 02115 —
Beth Israel Deaconess Medical Center Boston Massachusetts 02215 —
University of Minnesota Minneapolis Minnesota 55455 —
Cornell University New York New York 10065 —
University of North Carolina, Chapel Hill Chapel Hill North Carolina 27599 —
Duke University Medical Center Durham North Carolina 27710 —
Case Western Reserve University School of Medicine Cleveland Ohio 44106 —
Cleveland Clinic Cleveland Ohio 44195 —
University of Pennsylvania Philadelphia Pennsylvania 19104 —
University of Pittsburgh Pittsburgh Pennsylvania 15213 —
Fred Hutchinson Cancer Research Center Seattle Washington 98104 —
Gunderson Clinic La Crosse Wisconsin 54601 —
University of Wisconsin Comprehensive Cancer Center Madison Wisconsin 53792 —
Froedtert Milwaukee Wisconsin 53201 —
St. Luke's Medical Center Milwaukee Wisconsin 53215 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01178333, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 22, 2015 · Synced Oct 16, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01178333 live on ClinicalTrials.gov.

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