When a trial is required
PMA and De Novo almost always; 510(k) sometimes — and the real price tag: median $3.1M and 31 months concept-to-clearance.
Free field guide · PDF
When your device needs a trial, how to design one the FDA will accept, and what the new ISO 14155:2026 standard changes about running it.
Sourced from ISO 14155:2026 and FDA IDE practice.
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What's inside
Every figure in this guide traces to a named source — ISO 14155:2026 and FDA IDE practice.
PMA and De Novo almost always; 510(k) sometimes — and the real price tag: median $3.1M and 31 months concept-to-clearance.
Q-Sub before enrollment, endpoints that decide everything, statisticians at concept stage, and the IDE decision flavors.
Effective April 26, 2026 with no transition: new CECs, formalized DMCs, the estimand framework, and stronger consent rules.
This guide is market-access intelligence, not clinical or regulatory advice. Trial requirements are product-specific — professional review is required before business use.
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