Which pharmaceutical product was the first to use direct-to-consumer (DTC) television advertising after the FDA relaxed broadcast advertising regulations in 1997?

The pharmaceutical industry spends billions on advertising and product development each year. Beyond creating effective medications, successful pharmaceutical companies must navigate complex marketing challenges to ensure their products reach patients and healthcare providers. This trivia question focuses on a groundbreaking marketing approach that changed how prescription medications are advertised to consumers.

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Claritin (loratadine) by Schering-Plough for allergies
Prozac (fluoxetine) by Eli Lilly for depression
Lipitor (atorvastatin) by Pfizer for high cholesterol
Viagra (sildenafil) by Pfizer for erectile dysfunction