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Feasibility Study of Adjuvant Chemotherapy with Carboplatin and Nab-Paclitaxel for Completely Resected NSCLC

Authors Katsurada N, Tachihara M, Hatakeyama Y, Koyama K, Yumura M, Kiriu T, Dokuni R, Hazama D, Tokunaga S, Tamura D, Nakata K, Yamamoto M, Kamiryo H, Kobayashi K, Tanaka Y, Maniwa Y, Nishimura Y

Received 27 November 2019

Accepted for publication 22 January 2020

Published 3 February 2020 Volume 2020:12 Pages 777—782


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Ahmet Emre Eskazan

Naoko Katsurada,1 Motoko Tachihara,1 Yukihisa Hatakeyama,1 Kiyoko Koyama,1 Masako Yumura,1 Tatsunori Kiriu,1 Ryota Dokuni,1 Daisuke Hazama,1 Shuntaro Tokunaga,1 Daisuke Tamura,1 Kyosuke Nakata,1 Masatsugu Yamamoto,1 Hiroshi Kamiryo,1 Kazuyuki Kobayashi,1 Yugo Tanaka,2 Yoshimasa Maniwa,2 Yoshihiro Nishimura1

1Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan; 2Division of General Theocratic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan

Correspondence: Motoko Tachihara
Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
Tel +81-78-382-5660
Fax +81-78-382-5661

Purpose: Adjuvant chemotherapy with cisplatin (CDDP) plus vinorelbine is the standard regimen for the treatment of non-small cell lung cancer (NSCLC). However, CDDP elicits severe toxic effects, including emesis, neurotoxicity, and renal damage; carboplatin (CBDCA) may be a feasible alternative for CDDP-unfit patients. CBDCA plus paclitaxel (PTX) adjuvant chemotherapy showed a survival benefit for patients with stage IB tumors > 4 cm in size, while CBDCA plus nanoparticle albumin-bound (nab)-PTX showed greater efficacy and lower neurotoxicity than CBDCA plus PTX in advanced NSCLC. Here, we investigated the feasibility of using CBDCA plus nab-PTX as adjuvant chemotherapy for NSCLC.
Patients and Methods: Patients with completely resected stage II or III NSCLC, with an Eastern Cooperative Oncology Group performance status of 0– 1 and adequate kidney function, received four cycles of postoperative adjuvant chemotherapy with CBDCA (AUC=5 mg/mL/min, on day 1) and nab-PTX (100 mg/m2, on days 1, 8, and 15) administered every 4 weeks within 8 weeks after surgery. The study was designed as a prospective, single-center, Phase II study. The primary endpoint was the completion rate of chemotherapy; secondary endpoints were two-year relapse-free survival (RFS) and safety. The expected completion rate was 80%, with a 50% lower limit.
Results: Of 21 enrolled patients, 18 (85.7%) were CDDP-unfit owing to age (≥ 75 years old [n=11, 52.4%]) or mild renal impairment (n=7, 33.3%). Nineteen of the 21 enrolled patients were assigned to the intervention. The most common grade 3 or 4 adverse events were neutropenia (n=15, 78.9%) and anemia (n=3, 15.8%). The completion rate for the four cycles was 63.2% (95% CI, 38.4– 83.7). Two-year RFS was 56.8% (95% CI, 29.7– 76.9).
Conclusion: The completion rate for CBDCA plus nab-PTX as adjuvant chemotherapy for CDDP-unfit NSCLC patients did not reach treatment feasibility. Further dose modifications may be required in future studies.

Keywords: nab-paclitaxel, carboplatin, adjuvant chemotherapy, non-small cell cancer

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