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Respir Med Case Rep. 2016 Apr 24;18:62-5. doi: 10.1016/j.rmcr.2016.04.007. eCollection 2016.

Partial response to carboplatin in an RRx-001 pretreated patient with EGFR-inhibitor-resistance and T790M-negative NSCLC.

Respiratory medicine case reports

Corey A Carter, Bryan Oronsky, Scott Caroen, Jan Scicinski, Pedro Cabrales, Aiste Degesys, Christina Brzezniak

Affiliations

  1. Walter Reed National Military Medical Center, Murtha Cancer Center, 8901 Wisconsin Ave, Bethesda, MD 20889, USA.
  2. EpicentRx, Inc., 800 W El Camino Real, Suite 180, Mountain View, CA 94040, USA.
  3. University of California San Diego, Dept of Bioengineering, 9500 Gilman Dr, La Jolla, CA 92093, USA.

PMID: 27330954 PMCID: PMC4913156 DOI: 10.1016/j.rmcr.2016.04.007

Abstract

Few therapeutic options are available for T790M-negative non-small cell lung cancer (NSCLC) after failure of primary epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) and chemotherapy. This report presents the case of a 71-year-old Asian female never smoker with EGFR mutated T790M negative non squamous cell lung cancer (NSCLC) pre-treated with the experimental epi-immunotherapeutic agent, RRx-001, that re-responded to single agent carboplatin after failure of platinum doublets, TKIs, pemetrexed and nivolumab. The management of advanced EGFR mutation-positive NSCLC is briefly reviewed herein and the emerging paradigm of episensitization, which contradicts the long-standing and widely accepted tenet about the immutability of resistance and the futility of therapeutic rechallenge, is introduced as a strategy to avert treatment failure and thereby stave off deterioration and death.

Keywords: EGFR; Episensitization; NSCLC; RRx-001; T790 mutation

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