CC BY-NC-ND 4.0 · South Asian J Cancer 2021; 10(03): 161-166
DOI: 10.1055/s-0041-1729447
Original Article: Geriatric Oncology

Estimating the Risk of Chemotherapy Toxicity in Indian Geriatric Patient Population and Utility of Chemotherapy Risk Assessment Scale for High Age Patients (CRASH) Score

Aditi Mittal
1   Department of Medical Oncology, Sawai Man Singh Medical College, Jaipur, Rajasthan, India
,
Ranga R. Rangaraju
2   Department of Medical Oncology, Max Super Speciality Hospital, Shalimar Bagh, New Delhi, India
,
Amit Agarwal
3   Department of Medical Oncology, B.L. Kapur Super Speciality Hospital, Rajendra Place, New Delhi, India
,
D. Chandragouda
3   Department of Medical Oncology, B.L. Kapur Super Speciality Hospital, Rajendra Place, New Delhi, India
,
Sandeep Batra
4   Department of Medical Oncology, Max Super Speciality Hospital, Saket, Delhi, India
,
Suhail Qureshi
3   Department of Medical Oncology, B.L. Kapur Super Speciality Hospital, Rajendra Place, New Delhi, India
› Author Affiliations
Funding Nil.

Abstract

Background Aging is a heterogeneous process, and elderly population is diverse in health status and functional reserve. The present study was undertaken to predict severe chemotherapy toxicity using the Chemotherapy Risk Assessment Scale for High-Age Patients’ (CRASH) score.

Materials and Methods Elderly patients (age ≥65 years) with malignancy, who were planned to be treated with a new course of cytotoxic chemotherapy, were enrolled. The CRASH score was calculated, and patients were stratified into four categories, that is, low (0–3), intermediate (Int)-low (4–6), Int-high (7–9), and high (<9). Patients developing grade 3/4/5 nonhematologic (NH) or grade 4/5 hematologic (H) toxicity were taken as the development of severe toxicity.

Results Of 100 enrolled patients, 64 (64%) were able to complete their prescribed treatment. Forty-four percent of patients (44 patients) of our study cohort experienced grade-4 H or grade 3/4 NH toxicity. The highest score in each category (heme/nonheme/CRASH) predicts nearly 100% toxicity risk. At a critical value of CRASH ≥ 6.5, the sensitivity is calculated as 100%, while specificity is 89.09%. The accuracy of prediction is 93.88%. The median time taken to develop toxicity was 39.5 days.

Conclusion CRASH score utilizes clinical assessment and basic laboratory values. Yet, it accurately predicts severe chemotherapy toxicity above a critical value of 6.5. Based on the above study, the first 30 days are crucial as 45% of patients experienced toxicity in this time frame. With the help of these clinical predictive markers, the care of elderly will be optimized.



Publication History

Article published online:
04 September 2021

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