Reference Detail

Ref Type

Journal Article

PMID

(31857431)

Authors

Cole KA, Pal S, Kudgus RA, Ijaz H, Liu X, Minard CG, Pawel BR, Maris JM, Haas-Kogan DA, Voss SD, Berg SL, Reid JM, Fox E, Weigel BJ

Title

Phase I Clinical Trial of the Wee1 Inhibitor Adavosertib (AZD1775) with Irinotecan in Children with Relapsed Solid Tumors: A COG Phase I Consortium Report (ADVL1312).

Journal	Vol	Issue	Date	Pages	Journal Short Title
Clinical cancer research : an official journal of the American Association for Cancer Research	26	6	2020 Mar 15	1213-1219	Clin Cancer Res

URL

Abstract Text

Adavosertib (AZD1775), an inhibitor of WEE1 kinase, potentiates replicative stress induced by oncogenes or chemotherapy. Antitumor activity of adavosertib has been demonstrated in preclinical models of pediatric cancer. This phase I trial was performed to define dose-limiting toxicities (DLT), recommended phase II dose (RP2D), and pharmacokinetics of adavosertib in combination with irinotecan in children and adolescents with relapsed or refractory solid tumors or primary central nervous system tumors.Using a 3+3 escalation design, five dose cohorts of the combination of adavosertib and irinotecan (50/70; 65/70; 65/90; 85/90; 110/90 mg/m2/day) delivered on days 1-5 of a 21-day cycle were studied. Pharmacokinetics and analysis of peripheral blood γH2AX was performed.Thirty-seven patients were enrolled; 27 were evaluable. The median (range) age was 14 (2-20) years. Twenty-five (93%) received prior chemotherapy (median, three regimens) and 21 (78%) received prior radiotherapy. Eleven patients had a primary central nervous system (CNS) malignancy. Common toxicities were hematologic and gastrointestinal. Two patients receiving adavosertib (110 mg/m2) in combination with irinotecan (90 mg/m2) experienced dose-limiting grade 3 dehydration. A patient with Ewing sarcoma had a confirmed partial response and 2 patients (ependymoma and neuroblastoma) had prolonged stable disease (≥ 6 cycles). Pharmacokinetics of adavosertib were variable but generally dose proportional and clearance was lower in younger patients.Adavosertib (85 mg/m2) in combination with irinotecan (90 mg/m2) administered orally for 5 days was the MTD in children and adolescents with solid and CNS tumors.

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Molecular Profile	Treatment Approach

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References