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Weight loss is an underestimated adverse event with cabozantinib in patients with metastastic renal cell carcinoma (mRCC).

Date

30 Sep 2019

Session

Poster Display session 3

Presenters

Emeline Colomba

Citation

Annals of Oncology (2019) 30 (suppl_5): v356-v402. 10.1093/annonc/mdz249

Authors

E. Colomba1, C. Alves Costa Silva1, G. LE TEUFF2, A. Benchimol-Zouari3, A. Guida4, L. Derosa5, B. Raynard6, B. Escudier7, L. Albiges8

Author affiliations

  • 1 Medical Oncology Department, Gustave Roussy, 94805 - Villejuif/FR
  • 2 Biostatistics Department, Gustave Roussy, 94805 - Villejuif/FR
  • 3 Radiology, Gustave Roussy Institute, 94800 - Villejuif/FR
  • 4 Medical Oncology Department, Azienda Ospedaliero - Universitaria Policlinico di Modena, 41125 - Modena/IT
  • 5 Cancer Campus, Gustave Roussy, Villejuif/FR
  • 6 Dietetics And Nutrition Department, Supportive Care Department, Gustave Roussy, 94805 - Villejuif/FR
  • 7 Medical Oncology Department, Gustave Roussy - Cancer Campus, 94805 - Villejuif/FR
  • 8 Medical Oncology, Gustave Roussy, 94805 - Villejuif/FR
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Resources

Abstract 3249

Background

Cabozantinib (cabo) is a potent VEGFR-TKI currently approved in mRCC as a standard of care in second line or beyond. However, the incidence of grade 3-4 weight loss (WL) reported in pivotal trial seems underestimated. The aim was to evaluate the weight loss in real life under cabo.

Methods

All consecutive mRCC patients treated with cabo at a single institution from January 2014 to August 2018 were included. Patients with ascite/oedema were excluded. Weight was evaluated every month under cabo. Toxicities that may influence weight loss as diarrhea, nausea, anorexia, stomatite were collected. Individual profile, weigh change from baseline and time to first grade 2 WL(> 10%) and grade 3 WL(>20%) were described; disease control rate (CR+PR+SD) and objective response rate (CR+PR) according to RECIST 1.1. We analysed Grade 1, 2, 3 WL at 1, 3 and 6 months in patients without progression disease beyond 6 months of cabo.

Results

From 102 patients receiving cabo, 91 patients with a median follow-up of a 15.9 months [range: 1.2-58.7] were included: 69.2% male, median age: 62.0 [28.0-78.0] years and median baseline BMI: 24.8 [16.6-49.3] kg/m2. IMDC score was good, intermediate and poor in 12 (13.5%), 58 (65.2%) and 19 (21.4%), respectively. Median cabo treatment duration was 10.4 months [1-26.9]. At study cut off, n = 37 (40.7%) patients are still on treatment, 39 (42.9%) stopped cabo for disease progression and 15 (16.5%) for toxicity. Overall, 32 patients (35.1%) had more than 10% WL (grade 2) from baseline including 10 patients (11%) with more than 20% WL (grade ≥ 3). DCR was 96.4 [95%CI 89.8-99.3] and ORR was 34.9% [95%CI 24.8-46.2]. Median overall survival was 20.3 months. In responders to cabo more than 6 months (n = 59), cumulative incidence of grade 2 and grade 3 WL were respectively: 44.1% (n = 26) and 13.6% (n = 8). Median time to first grade 2 WL was 11.9 months. In this group, 11.3%, 42.9%, 47.6% of patients lost weigh more than 5% at 1, 3, 6 month compared to baseline under cabo.

Conclusions

Significant weight loss with cabozantinib is undereported in clinical trials compared to real world setting. It requires investigations and early management to anticipate sarcopenia in patients.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.

Funding

Has not received any funding.

Disclosure

E. Colomba: Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Ipsen; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: BMS; Honoraria (self), Advisory / Consultancy, Travel / Accommodation / Expenses: Pfizer; Honoraria (institution), Advisory / Consultancy: SANOFI. B. Raynard: Advisory / Consultancy, Research grant / Funding (self): Fresenius Kabi. B. Escudier: Honoraria (self), Advisory / Consultancy: Roche; Honoraria (self), Advisory / Consultancy: EXELIXIS; Honoraria (self), Advisory / Consultancy: Bayer; Honoraria (self), Advisory / Consultancy: NOVARTIS; Honoraria (self), Advisory / Consultancy: Pfizer. L. Albiges: Honoraria (self), Advisory / Consultancy: Ipsen; Honoraria (self), Advisory / Consultancy: BMS; Honoraria (self), Advisory / Consultancy: Merck; Honoraria (self), Advisory / Consultancy: Roche; Honoraria (self), Advisory / Consultancy: Novartis; Advisory / Consultancy: Amgen; Honoraria (self), Advisory / Consultancy: Astellas; Honoraria (self), Advisory / Consultancy: Pfizer. All other authors have declared no conflicts of interest.

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