Reference Detail

Ref Type

PMID

Authors

ER Ahn, PK. Mangat, E Garrett-Mayer, S Halabi, EG. Dib, DE Haggstrom, KB. Alguire, RH. Alvarez, CJ Calfa, TL Cannon, PA. Crilley, AG. Gaba, AS. Marr, A Sangal, R Thota, KR. Antonelli, S Islam, AL Rygiel, SS. Bruinooge, RL. Schilsky

Title

Palbociclib (P) in patients (pts) with non-small cell lung cancer (NSCLC) with CDKN2A alterations: Results from the Targeted Agent and Profiling Utilization Registry (TAPUR) Study.

Journal	Vol	Issue	Date	Pages	Journal Short Title
J Clin Oncol	37	17	2019

URL

https://ascopubs.org/doi/abs/10.1200/JCO.2019.37.15_suppl.9041

Abstract Text

Background: TAPUR is a phase II basket study evaluating anti-tumor activity of commercially available targeted agents in pts with advanced cancers with genomic alterations. Results in a cohort of NSCLC pts with CDKN2A loss or mutation treated with P are reported. Methods: Eligible pts had advanced NSCLC, no standard treatment options, measurable disease, ECOG PS 0-2 and adequate organ function. Genomic testing was performed using commercially available tests. Pts matched to P had NSCLC with CDKN2A loss or mutation and no RB mutations. A Simon two-stage design was used to test a null rate of 15% vs. 35% (power = 0.85; α = 0.10). If ≥2 of 10 pts in stage 1 have disease control (DC) (objective response (OR) or stable disease at 16 weeks (wks) (SD16+)), an additional 18 pts are enrolled. If ≥7 of 28 pts have DC, the drug is considered worthy of further study. Secondary endpoints are progression-free survival (PFS), overall survival (OS) and safety. Results: Twenty-nine pts were enrolled from January 2017 to June 2018; 1 pt was unevaluable for response but is included in safety analyses. Pts received P at 125 mg orally once daily for 21 days, followed by 7 days off. Demographics and outcomes are summarized in Table (N = 28). One PR and 6 SD16+ were observed for a DC rate of 29% (90% CI, 15% to 37%). 10 pts had at least one grade 3 or 4 AE or SAE at least possibly related to P with the most common being cytopenias. Other grade 3-4 AEs or SAEs at least possibly related to P included fatigue, anorexia, febrile neutropenia, myocardial infarction, sepsis, vomiting, and hypophosphatemia. Conclusions: Monotherapy with P demonstrated evidence of anti-tumor activity in heavily pre-treated NSCLC pts with CDKN2A loss or mutation. Additional study is warranted to confirm the efficacy of P in pts with NSCLC with CDKN2A loss or mutation. Clinical trial information: NCT02693535

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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
CDKN2A loss	lung non-small cell carcinoma	predicted - sensitive	Palbociclib	Phase II	Actionable	In a Phase II trial (TAPUR), Ibrance (palbociclib) treatment resulted in a disease control rate of 29% (7/28, 1 partial response, 6 stable disease at 16 weeks) in patients with non-small cell lung cancer harboring CDKN2A loss or mutations, with a median progression-free survival of 9.7 weeks and a median overall survival of 20.6 months (J Clin Oncol 37, 2019 (suppl; abstr 9041); NCT02693535).	detail...
CDKN2A mutant	lung non-small cell carcinoma	predicted - sensitive	Palbociclib	Phase II	Actionable	In a Phase II trial (TAPUR), Ibrance (palbociclib) treatment resulted in a disease control rate of 29% (7/28, 1 partial response, 6 stable disease at 16 weeks) in patients with non-small cell lung cancer harboring CDKN2A loss or mutations, with a median progression-free survival of 9.7 weeks and a median overall survival of 20.6 months (J Clin Oncol 37, 2019 (suppl; abstr 9041); NCT02693535).	detail...