Open Access

Prophylactic use of pegfilgrastim enables the management of severe neutropenia without dose delays in patients with metastatic colorectal cancer treated with TAS‑102 plus bevacizumab

  • Authors:
    • Sawako Tamaki
    • Hideki Ishikawa
    • Koichi Suzuki
    • Yasuaki Kimura
    • Ryo Maemoto
    • Iku Abe
    • Yuhei Endo
    • Nao Kakizawa
    • Fumiaki Watanabe
    • Kazushige Futsuhara
    • Masaaki Saito
    • Shingo Tsujinaka
    • Yasuyuki Miyakura
    • Toshiki Rikiyama
  • View Affiliations

  • Published online on: April 12, 2022     https://doi.org/10.3892/mco.2022.2536
  • Article Number: 103
  • Copyright: © Tamaki et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Combined treatment with bevacizumab and trifluridine/tipiracil (TAS‑102) leads to an increased chance of survival in patients with refractory metastatic colorectal cancer (mCRC); however, this treatment is associated with an increased frequency of severe neutropenia (number of neutrophils <1,000), which should ideally be managed without dose delays. The present study provided a retrospective review of 35 patients with mCRC, and aimed to elucidate the benefits of prophylactic pegfilgrastim for the treatment of severe neutropenia. Patients received TAS‑102 (35 mg/m2) orally twice daily on days 1‑5 and 8‑12 of each 28‑day treatment cycle, along with intravenous bevacizumab (5 mg/kg) on days 1 and 15. Moreover, the patients received 3.6 mg pegfilgrastim on day 15 of each cycle. The incidence of adverse events (AEs), disease control rate (DCR), progression‑free survival (PFS) and overall survival (OS) were assessed. In the first and subsequent cycles, 23 and 12 patients, respectively, received pegfilgrastim. The most common AE experienced was grade 3/4 neutropenia (8 patients; 22.9%). Among these 8 patients, 6 (17.1%) and 3 (8.6%) exhibited neutropenia prior to receiving pegfilgrastim or following discontinuation of pegfilgrastim administration, respectively. Moreover, 1 individual among these 8 patients (2.9%) demonstrated grade 3 neutropenia both prior to receiving pegfilgrastim and following discontinuation of pegfilgrastim. A total of 2 patients (5.7%) exhibited grade 3 bone pain, which prevented sustainable administration of pegfilgrastim and resulted in grade 3 neutropenia. Dose delays and dose reduction of TAS‑102 due to neutropenia were required in 5 (14.3%) and 2 (5.7%) patients, respectively, during the treatment period. None of the patients exhibited severe neutropenia during chemotherapy after pegfilgrastim administration, thereby preventing dose delays and dose reduction of TAS‑102. The relative dose intensity was 96.8% (65.0‑100.0%), and the DCR was 54.3%. The median PFS and median OS were 4.4 and 14.9 months, respectively. In conclusion, prophylactic pegfilgrastim may facilitate the management of severe neutropenia without dose delays in patients with mCRC treated with TAS‑102 plus bevacizumab.
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May-2022
Volume 16 Issue 5

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Spandidos Publications style
Tamaki S, Ishikawa H, Suzuki K, Kimura Y, Maemoto R, Abe I, Endo Y, Kakizawa N, Watanabe F, Futsuhara K, Futsuhara K, et al: Prophylactic use of pegfilgrastim enables the management of severe neutropenia without dose delays in patients with metastatic colorectal cancer treated with TAS‑102 plus bevacizumab. Mol Clin Oncol 16: 103, 2022.
APA
Tamaki, S., Ishikawa, H., Suzuki, K., Kimura, Y., Maemoto, R., Abe, I. ... Rikiyama, T. (2022). Prophylactic use of pegfilgrastim enables the management of severe neutropenia without dose delays in patients with metastatic colorectal cancer treated with TAS‑102 plus bevacizumab. Molecular and Clinical Oncology, 16, 103. https://doi.org/10.3892/mco.2022.2536
MLA
Tamaki, S., Ishikawa, H., Suzuki, K., Kimura, Y., Maemoto, R., Abe, I., Endo, Y., Kakizawa, N., Watanabe, F., Futsuhara, K., Saito, M., Tsujinaka, S., Miyakura, Y., Rikiyama, T."Prophylactic use of pegfilgrastim enables the management of severe neutropenia without dose delays in patients with metastatic colorectal cancer treated with TAS‑102 plus bevacizumab". Molecular and Clinical Oncology 16.5 (2022): 103.
Chicago
Tamaki, S., Ishikawa, H., Suzuki, K., Kimura, Y., Maemoto, R., Abe, I., Endo, Y., Kakizawa, N., Watanabe, F., Futsuhara, K., Saito, M., Tsujinaka, S., Miyakura, Y., Rikiyama, T."Prophylactic use of pegfilgrastim enables the management of severe neutropenia without dose delays in patients with metastatic colorectal cancer treated with TAS‑102 plus bevacizumab". Molecular and Clinical Oncology 16, no. 5 (2022): 103. https://doi.org/10.3892/mco.2022.2536