Pertuzumab Plus Trastuzumab in Patients With Lung Cancer With ERBB2 Mutation or Amplification: Results From the Targeted Agent and Profiling Utilization Registry Study: Results from the Targeted Agent and Profiling Utilization Registry Study

Apar K. Ganti, Michael Rothe, Pam K. Mangat, Elizabeth Garrett-Mayer, Elie G. Dib, Herbert L. Duvivier, Eugene R. Ahn, Deepti Behl, Hossein Borghaei, Ani S. Balmanoukian, Anu Gaba, Rui Li, Kwabena Osei-Boateng, Ramya Thota, Gina N. Grantham, Abigail Gregory, Susan Halabi, Richard L. Schilsky

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a pragmatic basket trial evaluating antitumor activity of commercially available targeted agents in patients with advanced cancers harboring potentially actionable genomic alterations. Data from a cohort of patients with lung cancer and ERBB2 mutation or amplification treated with pertuzumab plus trastuzumab (P + T) are reported.

METHODS: Eligible patients had advanced lung cancer of any histology, no standard treatment options, measurable disease (RECIST v1.1), Eastern Cooperative Oncology Group performance status 0-2, adequate organ function, and tumors with ERBB2 mutation or amplification. Simon's two-stage design was used with a primary end point of disease control (DC), defined as objective response (OR) per RECIST v. 1.1 or stable disease (SD) of at least 16 weeks duration (SD16+). Secondary end points included safety, duration of response, duration of SD, progression-free survival, and overall survival.

RESULTS: Twenty-eight patients with lung cancer (27 non-small-cell, 1 small-cell) and ERBB2 mutation (n = 15), ERBB2 amplification (n = 12), or both (n = 1) were enrolled from November 2016 to July 2020. All patients were evaluable for efficacy and toxicity. Three patients with partial response (two ERBB2 mutation; one both mutation and amplification) and seven patients with SD16+ (five ERBB2 mutation; two amplification) were observed for a DC rate of 37% (95% CI, 21 to 50; P = .005) and OR rate of 11% (95% CI, 2 to 28). Five patients had one or more grade 3 or 4 adverse or serious adverse events at least possibly related to P + T.

CONCLUSION: Combination P + T showed evidence of antitumor activity in heavily pretreated patients with non-small-cell lung cancer and ERBB2 mutation or amplification, particularly those with ERBB2 exon 20 insertion mutations.

Original languageEnglish
Article numbere2300041
Pages (from-to)e2300041
Number of pages11
JournalJCO Precision Oncology
Volume7
DOIs
StatePublished - Jun 14 2023

Keywords

  • Antineoplastic Agents
  • Carcinoma, Non-Small-Cell Lung/drug therapy
  • Humans
  • Lung Neoplasms/drug therapy
  • Mutation
  • Receptor, ErbB-2/genetics
  • Trastuzumab/therapeutic use

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