Long-Lasting Therapeutic Response following Treatment with Pembrolizumab in Patients with Non-Small Cell Lung Cancer: A Real-World Experience

Walid Shalata, Jeremy Zolnoorian, Gabrielle Migliozzi, Ashraf Abu Jama, Yulia Dudnik, Ahron Yehonatan Cohen, Amichay Meirovitz, Alexander Yakobson

    Research output: Contribution to journalArticlepeer-review

    10 Scopus citations

    Abstract

    Immune checkpoint inhibitors (ICIs), pembrolizumab in particular, have been shown to be vastly more efficacious than traditional cytotoxic or platinum-based chemotherapies in the treatment of non-small cell lung cancer (NSCLC). While there are plenty of data showing their efficacy and safety profiles, very little exists about the long-term effects of pembrolizumab. We compiled all patients with NSCLC who were treated with pembrolizumab at our institution and had progression-free survival (PFS) of at least 2 years during or after the treatment period. Within this group, we examined the long-term rates of PFS and overall survival (OS), side effect profiles, treatment, and overall disease course up to 60 months after starting treatment. This study included 36 patients with median (range) follow up times from treatment initiation in months as follows: 36 (28–65) overall; 39.5 (28–65) for adenocarcinoma; and 36 (30–58) for squamous cell carcinoma. The median (range) of OS and PFS (months) was comparable for adenocarcinoma, 36 (23–55); and squamous cell carcinoma, 35.5 (28–65). Overall, pembrolizumab shows remarkable long-term safety and efficacy in NSCLC patients. In patients who show an initially strong response and can make it to 24 months of PFS, disease progression after this period seems increasingly unlikely.

    Original languageEnglish
    Article number5938
    JournalInternational Journal of Molecular Sciences
    Volume24
    Issue number6
    DOIs
    StatePublished - 1 Mar 2023

    Keywords

    • Keytruda
    • PD-1
    • immune checkpoint inhibitors
    • lung cancer
    • non-small cell lung cancer
    • pembrolizumab

    ASJC Scopus subject areas

    • Molecular Biology
    • Spectroscopy
    • Catalysis
    • Inorganic Chemistry
    • Computer Science Applications
    • Physical and Theoretical Chemistry
    • Organic Chemistry

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