Medical
TTFields for Mesothelioma 2026: 7 Reasons Insurers Still Call Optune Lua "Investigational"
Paul Danziger
May 6, 2026
Optune Lua has been FDA-approved for mesothelioma since 2019, but some insurers still deny coverage. The 7 reasons trace to HDE vs PMA.
12 min read 7 FAQs
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