Protocol
Plasmapheresis · Therapeutic plasmapheresis · Plasma exchange · TPE
TPE has decades of genuine clinical evidence for established medical indications (myasthenia gravis, demyelinating disease, thrombotic thrombocytopenic purpura, hyperviscosity syndromes, anti-GBM disease), which is why HSA's Blood Services Group runs it as a hospital service in Singapore. That evidence does not transfer to healthy ageing. The best longevity-specific data is a single randomised, single-blinded, placebo-controlled trial of 42 adults over 50 (Fuentealba et al., Aging Cell, 2025), with four arms: biweekly TPE plus IVIG, biweekly TPE alone, monthly TPE, and placebo. The TPE-IVIG arm showed rejuvenation on 15 epigenetic clocks versus placebo (FDR < 0.05), alongside coordinated shifts in proteomic, metabolomic, glycomic, and immune-cell markers. Every one of these endpoints is a molecular surrogate. The trial measured no functional, disease-incidence, healthspan, or mortality outcome, so it does not show that anyone lived longer or better. It is also small (n=42), single-blinded rather than double-blinded, and industry-linked (run with a commercial TPE provider). Two further honest caveats: the effect was largest in the arm that added IVIG, meaning the plasma exchange alone is not clearly the active ingredient; and TPE is not risk-free, carrying citrate reactions, hypotension, vascular access complications, and albumin/immunoglobulin depletion. A material correction to earlier scoping: Monash House Private Hospital in Melbourne does explicitly list "Healthy Longevity" among the indications for which its doctors may recommend TPE, so this is being marketed for longevity in Australia, not only for medical indications. However Monash House is a private hospital, not one of the named longevity clinics, and no clinic on either the Singapore or Australia list was confirmed to offer TPE. Net: real clinical drug for real diseases, surrogate-only and commercially promoted as a longevity protocol.
Singapore
Australia
What it is
Therapeutic plasma exchange is an extracorporeal blood procedure in which a patient's plasma is separated from their blood cells by an apheresis machine, removed, and replaced with albumin, saline, or donor plasma. It is a long-established hospital treatment for a defined set of autoimmune, neurological, and haematological conditions. Its longevity application rests on a separate claim: that removing circulating age-associated proteins and inflammatory factors, sometimes paired with intravenous immunoglobulin, can lower measured biological age.
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