3 years ago

Depletion of nerve growth factor in chemotherapy-induced peripheral neuropathy associated with hematologic malignancies

Dong-Yeop Shin, Young-Sook Kim, Jung-Ah Lim, Inho Kim, Jeonghwan Youk, Soon-Tae Lee, Youngil Koh

by Jeonghwan Youk, Young-Sook Kim, Jung-Ah Lim, Dong-Yeop Shin, Youngil Koh, Soon-Tae Lee, Inho Kim

Objective

To investigate whether the depletion of nerve growth factor (NGF) is associated with the development of chemotherapy-induced peripheral neuropathy (CIPN) in patients with hematologic malignancy.

Methods

We prospectively enrolled hematologic cancer patients who had a plan to receive bortezomib, thalidomide, or vincristine. Baseline NGF levels were measured within one week before the start date of chemotherapy. Follow-up NGF levels were measured after four months from the start date of chemotherapy or the date when CIPN was initially diagnosed.

Results

Baseline and follow-up NGF pairs were measured in 45 patients (male/female = 27/18, median age = 63 years old). CIPN has developed in 28 patients. In the CIPN group, the level of NGF was significantly decreased after chemotherapy compared to the baseline (△NGF = −3.52 ±5.72; p-value = 0.003), while the NGF level of the no-CIPN group was not changed after chemotherapy. The differences in △NGF levels between the CIPN and no-CIPN group were more profound when analyzed in the subgroup of newly diagnosed multiple myeloma patients (△NGF = −4.14 ± 4.87 pg/ml for the CIPN group and +2.52 ± 8.39 pg/ml for the no-CIPN group; p-value = 0.043).

Conclusions

This study shows that the depletion of NGF occurs during the development of CIPN, suggesting pathogenesis based on the role of NGF and therapeutic implications.

Publisher URL: http://journals.plos.org/plosone/article

DOI: 10.1371/journal.pone.0183491

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