ClinicalTrials.gov record
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Escalation Study of PF-07209326 in Healthy Participants and Participants With Sickle Cell Disease

ClinicalTrials.gov ID: NCT04255875

Public ClinicalTrials.gov record NCT04255875. 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 May 12, 2026, 7:08 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

A RANDOMIZED, DOUBLE-BLIND, PLACEBO CONTROLLED EVALUATION OF SINGLE DOSES OF PF-07209326 IN HEALTHY PARTICIPANTS (SAFETY, TOLERABILITY, AND PHARMACOKINETICS [PK]) FOLLOWED BY AN OPEN LABEL, REPEAT DOSE EVALUATION IN SICKLE CELL DISEASE PARTICIPANTS (SAFETY, TOLERABILITY, PK AND EFFICACY)

Study identification

NCT ID
NCT04255875
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Pfizer
Industry
Enrollment
52 participants

Conditions and interventions

Interventions

  • PF-07209326 Biological
  • Placebo Biological

Biological

Eligibility (public fields only)

Age range
16 Years to 70 Years
Sex
All
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
Feb 4, 2020
Primary completion
Jul 6, 2023
Completion
Jul 6, 2023
Last update posted
Dec 17, 2023

2020 – 2023

United States locations

U.S. sites
16
U.S. states
8
U.S. cities
9
Facility City State ZIP Site status
New Haven Clinical Research Unit New Haven Connecticut 06511
Howard University College of Medicine Washington D.C. District of Columbia 20060
Golisano Children's Hospital of Southwest Florida Fort Myers Florida 33908
Lee Health - Golisano Children's Hospital of Southwest Florida Fort Myers Florida 33908
Foundation for Sickle Cell Disease Research Hollywood Florida 33023
Foundation for Sickle Cell Disease Research Hollywood Florida 33024
Children's Healthcare of Atlanta - Egleston Hospital-Aflac Cancer and Blood Disorders Center Atlanta Georgia 30322
University of Illinois at Chicago Clinical Research Center Chicago Illinois 60612
University of Illinois at Chicago Chicago Illinois 60612
Prism Research LLC dba Nucleus Network Saint Paul Minnesota 55114
Columbia University Medical Center - Herbert Irving Pavilion New York New York 10032
CUIMC Research Pharmacy New York New York 10032
CUMC Research Pharmacy New York New York 10032
UT Physicians Comprehensive Sickle Cell Center Houston Houston Texas 77004
Memorial Hermann clinical research unit Houston Texas 77030
UT Physicians Comprehensive Sickle Cell Center Houston Houston Texas 77030

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 NCT04255875, 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 Dec 17, 2023 · Synced May 12, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04255875 live on ClinicalTrials.gov.

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