Half full vs. half empty
Dr. Cleland likened the question of whom to treat with iron supplementation as a “glass half full versus half empty” clinical dilemma. “One approach is to give iron to everyone unless there’s evidence that they’re overloaded,” he said, “while the other is to withhold iron from everyone unless there’s evidence that they’re iron depleted.”
Recent evidence from the IRONMAN trial suggested that its patients with HF who received intravenous iron were less likely to be hospitalized for infections, particularly COVID-19, than a usual-care group. The treatment may also help reduce frailty.
“So should we be offering IV iron specifically to people considered iron deficient, or should we be ensuring that everyone over age 70 get iron supplements?” Dr. Cleland mused rhetorically. On a cautionary note, he added, perhaps iron supplementation will be harmful if it’s not necessary.
Dr. Cleland proposed “focusing for the moment on people who are iron deficient but investigating the possibility that we are being overly restrictive and should be giving iron to a much broader population.” That course, however, would require large population-based studies.
“We need more experience,” Dr. Cleland said, “to make sure that the benefits outweigh any risks before we can just give iron to everyone.”
Dr. Martens has received consultancy fees from AstraZeneca, Abbott, Bayer, Boehringer Ingelheim, Daiichi Sankyo, Novartis, Novo Nordisk, and Vifor Pharma. Dr. Cleland declares grant support, support for travel, and personal honoraria from Pharmacosmos and Vifor. Disclosures for other authors are in the published report and editorial.
A version of this article first appeared on Medscape.com.