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Clinical Impact of Weight-Loss Pharmacotherapy in Patients with Atherosclerotic Cardiovascular Disease
Charles Pirlet1, Paul Poirier1,2, Tomas Cieza1
1Quebec Heart and Lung Institute, 2725, Chemin Ste Foy, Quebec, QC, G1V 4G5, Canada.
Insights
Obesity contributes to cardiovascular disease. While lifestyle changes are recommended, weight-loss drugs offer modest benefits and have shown cardiovascular safety in recent trials.
Area of Science:
- Cardiology
- Endocrinology
- Pharmacology
Background:
- Obesity is a major risk factor for cardiovascular disease (CVD), hypertension, dyslipidemia, and type 2 diabetes.
- Current guidelines recommend lifestyle modifications for obesity management before considering bariatric surgery.
- Despite efforts, many individuals struggle with significant weight loss or experience weight regain through lifestyle changes alone.
Purpose of the Study:
- To review recent clinical trials on weight-loss pharmacotherapy.
- To assess the efficacy and cardiovascular safety of available weight-loss medications.
- To evaluate the clinical impact of these agents in patients with atherosclerotic CVD.
Main Methods:
- Review of recent regulatory-mandated efficacy and cardiovascular safety trials for weight-loss pharmacotherapeutic agents.
- Focus on studies involving patients with established atherosclerotic cardiovascular disease.
Main Results:
- Weight-loss pharmacotherapy demonstrates modest efficacy in inducing weight loss.
- Recent trials indicate that some weight-loss medications are safe for cardiovascular use.
- Evidence is emerging on the clinical utility of these agents in managing obesity-related CVD.
Conclusions:
- Weight-loss pharmacotherapy can be considered as an adjunct to lifestyle modifications for patients with obesity.
- Demonstrated cardiovascular safety of certain agents is a significant advancement.
- Further research is needed to fully elucidate the role of pharmacotherapy in managing atherosclerotic CVD in patients with obesity.
Abstract:
Obesity is associated with the development and progression of multiple cardiovascular risk factors, such as hypertension, dyslipidemia, and type 2 diabetes mellitus, and is an important contributor to the global burden of atherosclerotic cardiovascular disease (CVD). Guidelines suggest that clinicians provide lifestyle counseling and promote lifestyle modifications before considering weight-loss surgery. However, despite lifestyle modifications and increased physical activity, most patients with obesity will not lose significant weight or will experience weight regain. Weight-loss pharmacotherapy added to lifestyle modification has long been perceived as a bridge between lifestyle modifications alone and weight-loss surgery. However, since its inception, weight-loss pharmacotherapy has been plagued by variable efficacy and concern about cardiovascular safety. Following requirements from regulatory authorities, efficacy and cardiovascular safety trials have been conducted for the currently available weight-loss pharmacotherapeutic agents. Overall, these trials have shown that weight-loss pharmacotherapy is only modestly efficient for the inducement of weight loss. Recent trials have also demonstrated the cardiovascular safety of some of these agents. We review these trials with a focus on the clinical impact of these weight-loss pharmacotherapeutic agents in patients with atherosclerotic CVD.
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