Which pharmaceutical product launch strategy revolutionized the industry by introducing a 'soft launch' phase to gather real-world data before full-scale marketing?

Product launches in the pharmaceutical industry are complex processes involving regulatory approval, marketing strategies, and careful timing. The success of a new medication often depends not just on its efficacy but also on strategic launch decisions. This trivia question focuses on a critical aspect of pharmaceutical product launches that transformed how new medications enter the market.

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The Pfizer Protocol - testing flagship medications in limited markets before wider release
The Controlled Launch System - rolling out medications to specialists before general practitioners
The Adaptive Launch Model - gradually expanding access while collecting post-approval effectiveness data
The Sequenced Market Entry - launching in smaller countries before entering major pharmaceutical markets