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OA07 - Precision Medicine Involves Biology and Patients (ID 132)
- Event: WCLC 2019
- Type: Oral Session
- Track: Advanced NSCLC
- Presentations: 1
- Now Available
OA07.05 - High-Grade Chemotherapy-Induced Peripheral Neuropathy (CIPN): An Analysis of ECOG-ACRIN Lung Cancer Clinical Trials (Now Available) (ID 1431)
11:00 - 12:30 | Author(s): Alan Sandler
High-grade (CTCAE grade ≥3) CIPN implies severe symptoms and limitation of self-care activities of daily living (ADL). To date, studies characterizing the incidence of and factors associated with CIPN have been conducted almost exclusively in breast cancer populations. As such, they generally evaluate only women and lack assessment of platinum-based chemotherapy. We therefore examined the incidence and factors associated with high-grade CIPN among patients treated on ECOG-ACRIN advanced non-small cell lung cancer (NSCLC) clinical trials.Method
We included two completed trials in the analysis: E1594 (comparison of 4 chemotherapy regimens: cisplatin-paclitaxel, cisplatin-gemcitabine, cisplatin-docetaxel, carboplatin-paclitaxel) and E4599 (carboplatin-paclitaxel ± bevacizumab). We identified patients who developed treatment-related grade ≥3 CIPN. Multivariable logistic regression modeling was performed to estimate adjusted odds ratios. For the treatment variable, the reference group ended up combining the cisplatin+paclitaxel and cisplatin+docetaxel arms since their results were not significantly different from one another. Body-mass index (BMI) was categorized by median value (25.2 kg/m2).Result
Among 1,989 total patients, 167 (8.4%) developed grade ≥3 CIPN. Incidence was highest for the carboplatin-paclitaxel regimen (9.9%) and lowest for cisplatin-paclitaxel (4.5%) (P=0.006). Grade ≥3 CIPN was associated with BMI (9.9% for ≥25.2 kg/m2 vs 6.9% for <25.2 kg/m2; P=0.02) and sex (6.9% for men vs 10.4% for women; P=0.006). There was a non-significant trend toward association with age (10.4% for ≥70 years versus 7.8% for <70 years; P=0.08). In multivariate analysis, chemotherapy regimen, sex, and BMI remained independently associated with grade ≥3 CIPN.Conclusion
Carboplatin-paclitaxel chemotherapy, female sex, and high BMI are associated with the development of high-grade CIPN. Given the clinical severity of this condition and the potential for long-term persistence, consideration of risk-based monitoring and treatment selection may be warranted.
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