Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational Accepts healthy volunteers

Study to Assess the Occurrence of HPA-1a Alloimmunization in Women With Higher Risk for Fetal and Neonatal Alloimmune Thrombocytopenia

ClinicalTrials.gov ID: NCT05345561

Public ClinicalTrials.gov record NCT05345561. 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 Nov 3, 2026, 9:18 PM EST

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

Official title

A Prospective, Natural History Study to Assess the Occurrence of HPA-1a Alloimmunization in Women Identified at Higher Risk for Fetal and Neonatal Alloimmune Thrombocytopenia (FNAIT)

Brief summary

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

A prospective, non-interventional, natural history study to assess the occurrence of higher FNAIT risk across a broad population of different racial and ethnic characteristics and the occurrence of HPA-1a alloimmunization in these women.

Study identification

NCT ID
NCT05345561
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Rallybio
Industry
Enrollment
14,390 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Mar 14, 2022 (Actual)
Primary completion
Jan 31, 2025 (Actual)
Completion
Oct 10, 2025 (Actual)
Last update posted
Mar 6, 2026

2022 – 2025

United States locations

U.S. sites
19
U.S. states
10
U.S. cities
14
Facility City State ZIP Site status
New Horizons Clinical Trials, LLC Chandler Arizona 85224 —
Zillan Clinical Research - Gardena Gardena California 90247 —
Yale University School of Medicine New Haven Connecticut 06511 —
University of Miami Miller School of Medicine Miami Florida 33136 —
Cooper University Hospital Camden New Jersey 08103 —
Robert Wood Johnson Medical School New Brunswick New Jersey 08901 —
St. Peter's University Hospital New Brunswick New Jersey 08901 —
Rutgers New Jersey Medical School Newark New Jersey 07103 —
Icahn School of Medicine at Mount Sinai New York New York 10029 —
Columbia University Irving Medical Center New York New York 10032 —
New York-Presbyterian-Queens New York New York 10065 —
Weill Cornell Medicine-New York Presbyterian Hospital New York New York 10065 —
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599 —
Ohio State University Wexner Medical Center Columbus Ohio 43210 —
Wright State Physicians Obstetrics & Gynecology Dayton Ohio 45409 —
Temple Perinatal Diagnosis Center Philadelphia Pennsylvania 19140 —
Javara Inc. - Forest Dallas Texas 75230 —
The University of Texas Health Science Center at Houston Houston Texas 77030 —
Javara Research Inc. - Dallas - PPDS Houston Texas 77054 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05345561, 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 Mar 6, 2026 · Synced Nov 3, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05345561 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →