Flosequinan is a prescription medication used to treat congestive heart failure. It is a vasodilator, meaning it works by widening blood vessels, which helps the heart pump blood more efficiently. Flosequinan also helps reduce the amount of water and salt in the body, which can help reduce swelling, shortness of breath, and fatigue. Flosequinan is usually taken twice daily, with or without food. Common side effects include nausea, vomiting, headache, and dizziness.
Flosequinan was a medication intended to treat heart failure, but it was withdrawn from the market due to safety concerns [1, 4]. Here's a breakdown of its key points:
- Type: Flosequinan belonged to the class of quinolone vasodilators [1]. Vasodilators help relax blood vessels, allowing blood to flow more easily.
- Development: Developed by Boots UK, Flosequinan was briefly available under the brand name Manoplax in the early 1990s [1, 2].
- Intended use: It was aimed at patients with heart failure who couldn't tolerate other standard medications like ACE inhibitors or digoxin [2].
- Mechanism of action: Flosequinan worked by relaxing both arteries and veins, potentially improving blood flow throughout the body [3].
- Withdrawal from market: Unfortunately, clinical trials revealed an increased risk of mortality in patients taking Flosequinan compared to a placebo [4]. Due to this safety concern, it was withdrawn from the market after a short period.
Current status: Flosequinan is no longer a viable treatment option for heart failure due to the safety risks. There are other, safer medications available for managing this condition.