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Completed Phase 2 Interventional Results available

Study Of Palbociclib Combined With Chemotherapy In Pediatric Patients With Recurrent/Refractory Solid Tumors

ClinicalTrials.gov ID: NCT03709680

Public ClinicalTrials.gov record NCT03709680. 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 21, 2026, 1:33 AM EDT

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

Official title

PHASE 1/2 STUDY TO EVALUATE PALBOCICLIB (IBRANCE®) IN COMBINATION WITH IRINOTECAN AND TEMOZOLOMIDE OR IN COMBINATION WITH TOPOTECAN AND CYCLOPHOSPHAMIDE IN PEDIATRIC PATIENTS WITH RECURRENT OR REFRACTORY SOLID TUMORS

Brief summary

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

A study to learn about safety and find out maximum tolerable dose of palbociclib given in combination with chemotherapy (temozolomide with irinotecan or topotecan with cyclophosphamide) in children, adolescents and young adults with recurrent or refractory solid tumors (phase 1). Neuroblastoma tumor specific cohort to further evaluate antitumor activity of palbociclib in combination with topotecan and cyclophosphamide in children, adolescents, and young adults with recurrent or refractory neuroblastoma. Phase 2 to learn about the efficacy of palbociclib in combination with irinotecan and temozolomide when compared with irinotecan and temozolomide alone in the treatment of children, adolescents, and young adults with recurrent or refractory Ewing sarcoma (EWS).

Study identification

NCT ID
NCT03709680
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
128 participants

Conditions and interventions

Eligibility (public fields only)

Age range
2 Years to 20 Years
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
May 24, 2019 (Actual)
Primary completion
Aug 26, 2024 (Actual)
Completion
Aug 6, 2025 (Actual)
Last update posted
Oct 7, 2026

2019 – 2025

United States locations

U.S. sites
56
U.S. states
24
U.S. cities
40
Facility City State ZIP Site status
University of Alabama at Birmingham/Children's of Alabama Birmingham Alabama 35233 —
Phoenix Children's Hospital Phoenix Arizona 85016 —
Children's Hospital Los Angeles Pharmacy Department Los Angeles California 90027 —
Children's Hospital Los Angeles Los Angeles California 90027 —
Children's Hospital and Research Center at Oakland Oakland California 94609 —
Children's Hospital of Orange County Orange California 92868 —
UCSF Benioff Children's Hospital Investigational Pharmacy San Francisco California 94158 —
UCSF Medical Center San Francisco California 94158 —
University of California San Francisco, San Francisco California 94158 —
Children's Hospital Colorado Aurora Colorado 80045 —
Children's National Hospital Washington D.C. District of Columbia 20010 —
UF Health Shands Hospital Gainesville Florida 32610 —
University of Florida College of Medicine Gainesville Florida 32610 —
Johns Hopkins All Children's Hospital St. Petersburg Florida 33701 —
Johns Hopkins All Children's Outpatient Care Center St. Petersburg Florida 33701 —
Johns Hopkins All Children's Hospital Tampa Florida 33612 —
Children's Healthcare of Atlanta at Arthur M. Blank Hospital Atlanta Georgia 30329 —
Children's Healthcare of Atlanta at Scottish Rite Atlanta Georgia 30342 —
Ann & Robert H. Lurie Children's Hospital of Chicago Chicago Illinois 60611 —
Indiana University Indianapolis Indiana 46202 —
Johns Hopkins University Baltimore Maryland 21287 —
University of Michigan Health System Ann Arbor Michigan 48109 —
University of Minnesota Masonic Children's Hospital Minneapolis Minnesota 55454 —
University of Minnesota Medical Center, Fairview Minneapolis Minnesota 55455 —
University of Minnesota/Masonic Cancer Center Minneapolis Minnesota 55455 —
University of Minnesota Minneapolis Minnesota 55455 —
Children's Mercy Hospital Kansas City Missouri 64108 —
Washington University School of Medicine St Louis Missouri 63110 —
Robert Wood Johnson University Hospital New Brunswick New Jersey 08901 —
CINJ Research Pharmacy New Brunswick New Jersey 08903 —
Rutgers Cancer Institute of New Jersey New Brunswick New Jersey 08903 —
Cohen Children's Medical Center New Hyde Park New York 11040 —
Morgan Stanley Children's Hospital of New York-Presbyetrian Hospital New York New York 10032 —
Cincinnati Children's Hospital Medical Center Cincinnati Ohio 45229 —
University Hospitals Cleveland Medical Center Cleveland Ohio 44106 —
Nationwide Children's Hospital Columbus Ohio 43205 —
Cincinnati Children's Liberty Campus Liberty Township Ohio 45044 —
University of Oklahoma Health Sciences Center Oklahoma City Oklahoma 73104 —
OHSU- Research Pharmacy Services Portland Oregon 97239 —
Oregon Health & Science University Portland Oregon 97239 —
Penn State Children's Hospital and Penn State Health Milton S. Hershey Medical Center Hershey Pennsylvania 17033 —
Buerger Center for Advanced Pediatric Care Philadelphia Pennsylvania 19104 —
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Children's Medical Center Dallas Dallas Texas 75235 —
Cook Children's Medical Center Fort Worth Texas 76104 —
Cook Children's H/O Infusion Center Grapevine Texas 76051 —
Texas Children's Hospital Houston Texas 77030 —
Children's Medical Center Plano Plano Texas 75024 —
Intermountain - Primary Children's Hospital Salt Lake City Utah 84113 —
Primary Children's Hospital Outpatient Services Salt Lake City Utah 84113 —
Children's Hospital of The King's Daughters Norfolk Virginia 23507 —
Children's Hospital of Richmond at VCU Richmond Virginia 23298 —
Seattle Children's Hospital Seattle Washington 98105 —
Seattle Children's Investigational Drug Service, Pharmacy Department Seattle Washington 98105 —
Children's Wisconsin Milwaukee Wisconsin 53226 —
Medical College of Wisconsin Milwaukee Wisconsin 53226 —

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 28 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03709680, 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 Oct 7, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03709680 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →