Which pharmaceutical company first successfully implemented the 'dual branding' strategy by marketing the same drug under different brand names for different medical conditions?

The pharmaceutical industry employs various brand strategies to differentiate medications in a competitive market. Beyond clinical efficacy, pharmaceutical companies invest millions in brand development to build recognition and trust with healthcare professionals and patients alike. This poll tests your knowledge about a significant pharmaceutical brand strategy that revolutionized the industry and set new standards for product positioning.

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Eli Lilly with fluoxetine (Prozac for depression and Sarafem for PMDD)
Pfizer with sildenafil (Viagra for erectile dysfunction and Revatio for pulmonary arterial hypertension)
Johnson & Johnson with esketamine (Spravato for depression and Ketanest for anesthesia)
Novartis with fingolimod (Gilenya for multiple sclerosis and Fingorex for organ transplantation)