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employed in osteoarthritis and cartilage regeneration research Pigs Used for pharmacokinetic profiling and oral bioavailability studies Cynomolgus monkeys 9-month chronic toxicology studies via oral gavage Human subjects Approximately 900 participants across six clinical trials examining safety and efficacy Research Limitations & Regulatory Status Critical Gaps in Current Evidence Despite over 25 years of research and extensive clinical testing, AOD-9604 faces substantial evidence gaps that have prevented therapeutic development

FDA adopted the same defined fragment in its 2026 review

Once the acute phase resolves, rebuilding a minimal skincare routine prevents recurrence

Keeping the barrier healthy while introducing new actives is always smart strategy