[1]Identifying launch drift, understanding the root cause of the drift, and how to regain momentum is critical to avoid these costly setbacks. Most launch drift results from a combination of strategic and executional factors that compound over time in ways that aren't always immediately visible. The search for clarity on launch drift causationRapidly diagnosing the root causes of launch drift is essential to maintaining commercial momentum. Launch drift is typically recognized through the underperformance in prescription volume or market penetration, or the lack of change in physician behavior. Partnering for launch successWhen launch drift occurs, many organizations benefit from an objective external perspective to identify root causes and partner to identify the best strategies on corrective actions to meet launch objectives.