A pilot randomized controlled trial of major ozone autohemotherapy for patients with post-acute sequelae of COVID-19
This randomized controlled trial investigated the effects of major ozone autohemotherapy (O₃-MAH) on patients with post-acute sequelae of COVID-19 (PASC). Seventy-three patients were assigned to receive either O₃-MAH plus conventional therapy or conventional therapy alone. The O₃-MAH group showed significantly greater improvements in symptoms, pulmonary function, and inflammatory markers, particularly