# Belviq (lorcaserin) litigation

> Educational mass tort overview from DrugsMonitor.com. Not legal or medical advice.

**Canonical URL:** https://drugsmonitor.com/case/belviq-lorcaserin-lawsuit
**Last updated:** 2026-06-11

## Key facts

- **Matter:** Belviq (lorcaserin)
- **Status:** Active Litigation
- **Scope:** United States — national overview
- **Drug safety page:** https://drugsmonitor.com/drug-info/belviq-lorcaserin-lawsuit

## Overview

Belviq (lorcaserin) was marketed for weight management and later withdrawn in the U.S. after a cardiovascular safety signal in a clinical trial. Some plaintiffs allege cancer-related injuries; defendants dispute causation and study interpretation.

### Withdrawal and litigation themes

FDA requested withdrawal based on trial data; product-liability claims often focus on warning and risk-communication timelines.

### What records often matter

Pharmacy fills proving name/strength/duration, oncology diagnoses with dates, and prescriber notes help attorneys assess causation questions.

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*DrugsMonitor.com is not a law firm. For medical decisions consult a licensed clinician; for legal decisions consult a qualified attorney.*