Summary article on blood purification & Covid-19For safe and adequate blood purification therapy in severe COVID-19 - what we have learned so far
...Currently, we are continuing a multicenter prospective specific clinical study, and case reports suggesting that efficacy of PMX-DHP for COVID-19 continues to occur in Japan, Italy, and Thailand...
Conclusion
Blood purification therapy is complementary to drug therapy. Even with the widespread use of vaccines and antibody therapy (30), it is expected that a certain percentage of patients will develop moderate-to-severe diseases due to breakthrough infections. It is hoped that clinical studies will continue to accumulate evidence to investigate safe and adequate blood purification therapies for COVID-19
https://www.jstage.jst.go.jp/article/ghm/advpub/0/advpub_2022.01004/_pdf