Beyond the API How Excipient Selection Determines Pharmaceutical Development Success in Topical Drug Delivery
Beyond the API How Excipient Selection Determines Pharmaceutical Development Success in Topical Drug Delivery
Time: 1:30 pm - 2:00 pm
Date: 18/02/27
Synopsis
The pharmaceutical industry traditionally focuses on active pharmaceutical ingredients (APIs) as the primary drivers of efficacy and safety. However, in topical drug delivery systems, excipients frequently play a critical role in determining product performance, patient tolerability, barrier interaction, stability, and ultimately clinical success.
This presentation examines how excipient selection can profoundly influence formulation outcomes through a series of practical development case studies from topical pharmaceutical and healthcare product development. Examples will include the impact of emulsifier selection on skin barrier integrity, the influence of penetration-enhancing systems on delivery performance, and the role of excipient architecture in balancing efficacy with patient acceptability.
One case study will demonstrate how two formulations with the same therapeutic purpose produced markedly different biological responses solely due to the choice of emulsifier system. Despite the active composition remaining unchanged, measurable differences were observed in skin barrier function and stratum corneum integrity, highlighting the importance of understanding excipient-skin interactions during product development.
The presentation will explore how excipient chemistry influences permeation pathways, formulation stability, barrier compatibility, sensory properties, compliance, and regulatory considerations. It will also discuss common development pitfalls arising from the assumption that excipients are biologically inert and present practical approaches for reducing formulation risk through evidence-based excipient selection.
By combining scientific principles with real-world development experience, this session aims to demonstrate that successful topical products are not determined by the API alone. Strategic excipient selection can significantly influence performance, safety, patient experience, and long-term product success, making it a critical but often underestimated element of pharmaceutical development.
SPEAKERS
Carmen Martinez LergaHead of Development - Olalla Consulting ltd
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