First Surrogate Endpoint in Osteoporosis Drug Trials with FNIH’s Dr. Tania Kamphaus

In this week’s episode of the Xtalks Life Science Podcast, host Ayesha Rashid, Senior Life Science Journalist at Xtalks, spoke with Tania Nayak Kamphaus, PhD, Associate VP of Science Partnerships at the Foundation for the National Institutes of Health (FNIH).

In December 2025, the FDA qualified bone density DXA scans as the first surrogate endpoint for bone fractures in clinical trials of anti-osteoporosis drugs in post-menopausal women at risk for osteoporosis fracture.

The surrogate endpoint will allow for measuring change in bone mineral density, rather than fracture occurrence, promising to speed the development of new drugs to treat osteoporosis. The decision was based on FNIH’s request for qualification through the work of the FNIH Biomarkers Consortium.

Dr. Kamphaus leads patient engagement at FNIH and oversees programs across its Metabolic Disorders, Inflammation and Immunity and Women’s Health portfolios. She develops multi-stakeholder public-private partnerships involving NIH, FDA, non-profits and life sciences companies, and oversees target validation efforts within the Accelerating Medicines Partnership (AMP), as well as biomarker qualification initiatives in areas including preeclampsia and osteoporosis.

Dr. Kamphaus conducted her postdoctoral fellowship at Columbia University and has a PhD in Molecular Genetics from The Ohio State University.

Tune in to hear Dr. Kamphaus discuss the FDA’s decision on the new surrogate endpoint for bone fractures, the science behind the biomarker and the real-world impact it will have on the speed and cost of osteoporosis drug development.

 

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