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OncoMatch/Clinical Trials/NCT04996160

Palbociclib in Combination With Chemotherapy in Pediatric Patients With Relapsed or Refractory Acute Lymphoblastic Leukemia (RELPALL2)

Is NCT04996160 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies multiple treatments including Palbociclib and Dexamethasone for acute lymphoblastic leukemia, pediatric.

Phase 1RecruitingTanja Andrea GruberNCT04996160Data as of May 2026

Treatment: Palbociclib · Dexamethasone · Bortezomib · DoxorubicinWith this research study has following goals * To confirm the highest tolerable dose of palbociclib in combination with chemotherapy is safe and well-tolerated. * To learn more about side effects of palbociclib in combination with chemotherapy; * To learn more about the biological effects of palbociclib on the cells in your body

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Extracted eligibility criteria

Cancer type

Acute Lymphoblastic Leukemia

Prior therapy

Must have received: chemotherapy — relapsed or refractory to chemotherapy as defined by ≥ 5% leukemic blasts in the bone marrow or flow cytometry confirmed leukemic blasts in the peripheral blood

relapsed or refractory to chemotherapy as defined by ≥ 5% leukemic blasts in the bone marrow or flow cytometry confirmed leukemic blasts in the peripheral blood

Cannot have received: proteasome inhibitor (bortezomib)

Exception: Subjects that responded but had a subsequent relapse are eligible.

Subjects who have previously received bortezomib or other proteasome inhibitors that did not have a response while receiving the inhibitor are not eligible.

Cannot have received: CDK4/6 inhibitor (palbociclib)

Subjects who have previously received palbociclib or other CDK4/6 inhibitors are not eligible.

Lab requirements

Kidney function

glomerular filtration rate > 60 mL/min/1.73 m2 or serum creatinine based on age

Liver function

Total bilirubin ≤ 2 x ULN for age, and ALT < 3 x ULN for age, unless elevation is due to leukemic infiltration

Cardiac function

shortening fraction of > 27% or ejection fraction > 45%

Adequate renal function defined as glomerular filtration rate > 60 mL/min/1.73 m2 or serum creatinine based on age ... Adequate hepatic function defined as Total bilirubin ≤ 2 x ULN for age, and ALT < 3 x ULN for age, unless elevation is due to leukemic infiltration ... Adequate cardiac function defined as shortening fraction of > 27% or ejection fraction > 45%.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Lucile Packard Children's Hospital Stanford · Stanford, California

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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