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Adverse and Serious Adverse Events Associated With Tocilizumab in COVID-19 Pneumonia and With Cyclosporin, Pazopanib, and Insulin Glargine in Other Diseases: A Single-Center Cross-Sectional Study From a Tertiary Care Center in Bangladesh

Kawser Ahmed, Arsalan Bangash, Y. Hussain, Faaraan Bangash, Ahmed Reza Suny, A. B. M. Abdullah

Cureus, 2026

60 participants

Abstract

Objective This study aimed to evaluate reported adverse events (AEs) and serious adverse events (SAEs) associated with tocilizumab in COVID-19 pneumonia and with cyclosporine, insulin glargine, and pazopanib in other clinical indications using real-world pharmacovigilance data. Methods This cross-sectional observational study analyzed suspected SAE reports submitted to the National Pharmacovigilance Centre (NPC), Directorate General of Drug Administration (DGDA), Bangladesh, between March and July 2020 from a tertiary care center in Bangladesh. A total of 60 patients were included. Of these, 46 received tocilizumab for COVID-19 pneumonia, and 14 received cyclosporine (n=5), insulin glargine (n=4), or pazopanib (n=5) for other indications. Incomplete reports were excluded to minimize bias. Descriptive statistics and association analyses were performed to evaluate patient characteristics, outcomes, and dose-outcome relationships. Results After the exclusion of incomplete records, 28 patients treated with tocilizumab were analyzed. The majority were male (25/28, 89.29%), with a mean age of 59.75±15.23 years. SAEs occurred in 27 patients (96.43%), predominantly categorized as "other medically important conditions", and one death (1/28, 3.57%) was reported. All five patients receiving cyclosporine experienced fatal outcomes (5/5, 100%). Fatal outcomes were observed in 3/4 patients (75%) receiving insulin glargine and in 2/5 patients (40%) receiving pazopanib. The results reflect…

How strong is the evidence?

Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 60 participants or records.

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