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

Source: https://onco.cc/trials/nct03709680/  
OnCo record `nct03709680` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 2 trial of Palbociclib, Temozolomide, FOLFIRI in ewing sarcoma and rhabdomyosarcoma, run by Pfizer, active and no longer recruiting.

## Summary

Study Of Palbociclib Combined With Chemotherapy In Pediatric Patients With Recurrent/Refractory Solid Tumors is a phase 2 interventional study registered as NCT03709680 by Pfizer, with 128 participants enrolled, started 2019-05-24 and due to reach its primary completion in 2024-08-26. Interventions recorded: Palbociclib, Temozolomide, Irinotecan, Topotecan, Cyclophosphamide. Conditions listed: Ewing Sarcoma, Solid Tumors, Rhabdoid Tumor, Rhabdomyosarcoma. No results are recorded here; the registry entry is the source.

## Fields

- Kind: Trial
- Status: active
- Last checked: 2026-09-16
- Tags: ctgov-ingest
- Registry id: NCT03709680
- Phase: 2
- Setting: 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
- Sponsor: Pfizer
- Enrolled: 128

## Sources

- ClinicalTrials.gov NCT03709680: https://clinicaltrials.gov/study/NCT03709680

## Connected records

- cancers: [Diffuse midline glioma, H3 K27-altered (including DIPG)](https://onco.cc/cancers/dipg-dmg/), [Ewing sarcoma](https://onco.cc/cancers/ewing-sarcoma/), [Medulloblastoma](https://onco.cc/cancers/medulloblastoma/), [Rhabdomyosarcoma](https://onco.cc/cancers/rhabdomyosarcoma/)
- drugs: [Cyclophosphamide](https://onco.cc/drugs/cyclophosphamide/), [FOLFIRI (5-FU, leucovorin, irinotecan)](https://onco.cc/drugs/folfiri/), [Palbociclib](https://onco.cc/drugs/palbociclib/), [Temozolomide](https://onco.cc/drugs/temozolomide/), [Topotecan](https://onco.cc/drugs/topotecan/)
- companies: [Pfizer (incl. Seagen)](https://onco.cc/companies/pfizer/)

---
JSON: https://onco.cc/api/v1/entities/nct03709680.json