G. Caleb Alexander
Practicing internist and epidemiologist at Johns Hopkins who co-leads the Center for Drug Safety and Effectiveness and researches medication safety, effectiveness, and regulatory policy.
Best podcasts with G. Caleb Alexander
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Aug 27, 2025 • 13min
JAMA Surgery : Use of Glucagon-Like Peptide-1 Agonists Among Individuals Undergoing Bariatric Surgery in the US
In this engaging discussion, G. Caleb Alexander, MD, MS, from Johns Hopkins Bloomberg School of Public Health, and Hemalkumar B. Mehta, MS, PhD, dive into the burgeoning use of glucagon-like peptide-1 (GLP-1) agonists among bariatric surgery patients. They reveal that 14% of these patients initiate GLP-1 therapy due to insufficient weight loss, highlighting prescription trends and the evolving guidelines in this field. The conversation also emphasizes the vital need for better communication between patients and physicians about weight management post-surgery.
Jan 12, 2026 • 21min
A Conversation About the FDA's Regulation of Mifepristone
In this insightful discussion, G. Caleb Alexander, a practicing internist and epidemiologist at Johns Hopkins, dives into the complex regulation of mifepristone, the widely used abortion drug. He sheds light on FDA approval standards, the unique challenges posed by political scrutiny, and key regulatory moments since its approval. Alexander highlights the importance of transparency through Freedom of Information Act requests and addresses ongoing legal battles impacting access. His nuanced analysis reveals the intersection of science and policy in reproductive health.
