Plasmapheresis is a blood filtration procedure that separates and removes inflammatory proteins from plasma. Full guide to the process, duration, effects and recovery.
Plasmapheresis is an extracorporeal blood filtration procedure that draws blood, separates plasma from cellular components, and removes inflammatory proteins, toxins, and high-molecular-weight molecules before returning the blood to the patient. In preventive and longevity medicine, it is used to reduce accumulated inflammatory burden and support cellular regeneration.
The name sounds more complicated than the procedure actually is — it is closer to a long blood donation than to surgery. It takes 2-3 hours, with the patient awake and comfortable, while a machine does the filtration work. At Progevita, membrane plasmapheresis is part of our advanced detoxification protocols, at a cost of €1,500 per session.
What plasmapheresis actually is (and what it is not)
There is frequent confusion between three terms that get used interchangeably but are not identical:
- Plasmapheresis: a general term for any procedure that separates plasma from blood. This includes plasma donation as well as therapeutic exchange.
- Therapeutic plasma exchange (TPE): a procedure where diseased or toxin-laden plasma is removed and replaced with albumin or fresh donor plasma.
- Membrane plasmafiltration: a variant that uses filters with specific pore sizes to retain large molecules (inflammatory proteins, autoantibodies, immune complexes) and return filtered plasma to the patient.
The difference from dialysis is straightforward: dialysis filters small molecules (urea, creatinine, electrolytes) in patients with kidney failure. Plasmapheresis filters large molecules from plasma — proteins, antibodies, inflammatory mediators — in conditions where those molecules are causing harm. They are complementary procedures, not interchangeable.
According to StatPearls (Pham & Schwartz, updated 2023), the American Society for Apheresis (ASFA) classifies therapeutic plasmapheresis indications into four categories, from first-line treatment (Category I) to experimental use (Category IV), covering more than 80 distinct clinical conditions.
Preparation: what to do before the session
Preparation for a plasmapheresis session does not require complicated protocols, but several points matter:
- Pre-procedure blood work: complete blood count, calcium levels, fibrinogen, and coagulation profile. In our programs, these labs are done before arrival or on the first day of your stay.
- Hydration: drink 500-750 ml of water in the 2 hours before the session. A well-hydrated patient tolerates the procedure better and makes venous access easier.
- Light meal: do not come fasting. A light meal 1-2 hours before prevents hypoglycemia during the procedure.
- Medications: inform the medical team about all medications, particularly ACE inhibitors (relative contraindication; should be stopped 24 hours before) and anticoagulants.
- Comfortable clothing: sleeves that roll up easily for access on both arms.
The procedure step by step
Here is how a typical membrane plasmapheresis session unfolds, from the moment you sit down to the moment you finish:
1. Venous access (10-15 minutes)
Two peripheral IV lines are placed — one in each arm (one for blood withdrawal, one for return) — or in some cases a dual-lumen central venous catheter. Local anesthesia is applied at the puncture site. For most outpatients, peripheral access with large-bore needles is sufficient.
2. Baseline samples (5 minutes)
The first 3-5 ml of blood are discarded from the access line, and baseline samples are drawn: complete blood count, serum calcium, and fibrinogen. These values serve as the reference for post-procedure comparison.
3. Machine connection and priming (5-10 minutes)
The lines are connected to the apheresis device. The machine calculates the patient's effective plasma volume using the formula: total blood volume × (1 – hematocrit). For a 70 kg person with a 42% hematocrit, the plasma volume is approximately 2,900 ml. The circuit is primed with heparinized saline.
4. Separation and filtration (90-120 minutes)
This is where the real work happens. Blood flows at a rate of 30-50 ml/min through the membrane filter. The filter pores (between 0.2 and 0.5 microns, depending on type) retain large molecules — immunoglobulins, immune complexes, fibrinogen, lipoproteins — while allowing clean plasma and blood cells to pass through.
A study by Mehdipour et al. (2020, PMID: 32474458) showed that a single session of therapeutic plasma exchange was enough to rejuvenate the blood profile in old mice, reducing pro-inflammatory factor levels and restoring progenitor cell function in all three germ layer tissues.
During this phase, an anticoagulant (sodium citrate or heparin) is administered to prevent clotting in the extracorporeal circuit. Citrate is most commonly used because its effect is reversible and it metabolizes quickly.
5. Reinfusion and completion (15-20 minutes)
Once the target volume has been processed (typically 1-1.5 plasma volumes, or 40-60 ml/kg), the machine initiates the final reinfusion. All blood remaining in the circuit is returned. Post-procedure samples for calcium and fibrinogen are drawn. IV lines are removed and local pressure is applied.
| Procedure phase | Approximate duration | What happens |
|---|---|---|
| Venous access | 10-15 min | IV placement in both arms or central catheter |
| Baseline samples | 5 min | Reference labs: calcium, fibrinogen, blood count |
| Circuit priming | 5-10 min | Machine setup and plasma volume calculation |
| Separation and filtration | 90-120 min | Plasma filtration through membrane |
| Reinfusion | 15-20 min | Return of residual blood, post-procedure labs, line removal |
| Total | 2-3 hours | Complete outpatient procedure |
What it feels like during plasmapheresis
The most common question. The reality: most patients describe the experience as "boring" rather than uncomfortable. You sit or recline for 2-3 hours with your arms relatively still.
Typical sensations during the procedure:
- Tingling in lips, fingers, or around the mouth: the most common signal, caused by a temporary drop in ionized calcium due to citrate. According to the American College of Rheumatology, this occurs in 20-30% of patients. It resolves by adjusting the citrate infusion rate or giving IV calcium.
- Feeling cold: blood circulates outside the body and loses temperature. Managed with warm blankets.
- Mild nausea: in fewer than 10% of cases, associated with volume shifts or citrate.
- Pressure or tightness in the arm: from the IV lines. Not sharp pain.
- Post-procedure fatigue: moderate tiredness for 12-24 hours afterward is normal. The body is replenishing plasma proteins.
A reassuring datapoint: a retrospective study by Mokrzycki & Kaplan (1994, PMID: 7832113) covering more than 4,800 plasmapheresis procedures documented a serious complication rate below 0.5%. The vast majority of adverse effects are mild and self-limiting.
Monitoring during the procedure
The medical team does not leave you alone with the machine. Continuous monitoring includes:
- Blood pressure: every 15-30 minutes. Plasma volume reduction can cause hypotension, especially in patients with low body weight or dehydration.
- Heart rate: to detect compensatory tachycardia.
- Oxygen saturation: continuous pulse oximetry.
- Ionized calcium: the single most important parameter. Citrate chelates calcium, and low levels can range from tingling to arrhythmias in extreme cases. Many centers administer prophylactic IV calcium gluconate.
- Temperature: to detect febrile reactions.
- Machine flow and transmembrane pressure: technical parameters indicating filter performance.
When the procedure is stopped
The medical team may interrupt the session if any of the following occur:
- Hypotension unresponsive to IV fluids
- Cardiac arrhythmia
- Allergic reaction to replacement fluid (urticaria, dyspnea, anaphylaxis)
- Symptomatic hypocalcemia unresponsive to supplementation
- Technical problems with venous access (line clotting, inadequate flow)
- Patient request
This happens in fewer than 3% of sessions, according to the StatPearls review. The decision to stop always takes priority over completing the target volume.
Side effects: common and rare
Every medical procedure has side effects. With plasmapheresis, most are predictable and manageable:
| Side effect | Frequency | Cause | Management |
|---|---|---|---|
| Perioral tingling | 20-30% | Citrate-induced hypocalcemia | Reduce rate, IV calcium |
| Fatigue | 30-50% | Transient protein depletion | Rest, hydration, protein intake |
| Dizziness/mild hypotension | 10-20% | Transient volume reduction | Trendelenburg position, IV fluids |
| Nausea | 5-10% | Citrate, volume shifts | Antiemetics if persistent |
| Puncture-site bruising | 5-15% | Peripheral venous access | Compression, local ice |
| Allergic reaction | <1% | Replacement fluid | Antihistamines, epinephrine if severe |
| Catheter infection | <1% (central line only) | Central venous access | Antibiotics, catheter removal |
A clinical trial by Kiprov et al. published in Transfusion and Apheresis Science (2021, PMID: 34074614) on therapeutic plasmapheresis in a longevity context documented a favorable safety profile, with adverse effects comparable to a standard blood donation in healthy volunteers.
Immediate recovery and post-session care
After the session ends:
- The first 30 minutes: you remain under observation. Blood pressure, heart rate, and general wellbeing are checked. A glass of water and a protein-rich snack are recommended.
- The first 24 hours: avoid intense exercise and alcohol. Your body is regenerating the plasma proteins that were removed — fibrinogen, immunoglobulins, albumin. The liver synthesizes these proteins within 24-48 hours.
- Hydration: drink at least 2 liters of water in the following 24 hours.
- Nutrition: meals rich in quality protein (fish, eggs, legumes) to supply the amino acids the liver needs for resynthesis.
Most patients return to normal activity the next day. No medical leave or special rest is needed beyond the first 24 hours.
Plasmapheresis in longevity medicine: why Progevita uses it
Plasmapheresis is not only a procedure for autoimmune diseases. Since 2020, longevity research has focused on a powerful idea: that many of the factors accelerating aging circulate in blood plasma.
The study by Mehdipour et al. (2020, Aging, PMID: 32474458) was a turning point. Researchers at Irina and Michael Conboy's lab at UC Berkeley showed that simply diluting old plasma with saline and albumin produced a rejuvenating effect in tissues from all three germ layers: brain (ectoderm), liver (endoderm), and muscle (mesoderm). Young plasma was not needed. Reducing the concentration of accumulated pro-inflammatory factors was enough.
A follow-up study by Mehdipour et al. (2022, PMID: 35999337) in human volunteers confirmed that therapeutic plasma exchange reduced p16 levels in peripheral blood mononuclear cells — a marker of cellular senescence — and improved the lymphoid-to-myeloid ratio. That shift points to a younger, more functional immune profile.
And in 2025, a placebo-controlled trial (Mehdipour et al., GeroScience, PMID: 40424097) with 42 participants showed that TPE improved biological age markers as measured by 15 distinct epigenetic clocks, compared with placebo (FDR < 0.05).
At Progevita, membrane plasmapheresis is available within the Detox Reset Path (from €1,950), Women's Vital Path (from €2,100), and as an add-on to any program. The rationale is that removing inflammatory proteins and circulating toxins creates a more favorable systemic environment for other therapies — ozone therapy, NAD+ IV, orthomolecular supplementation — to work better. Think of it as cleaning a canvas before painting.
Our team of over 50 medical professionals evaluates each case to determine whether plasmapheresis is indicated, what type of filtration is needed, and how to integrate it into the overall longevity plan. The procedure is performed at the Balneario de Cofrentes clinical facilities, under continuous medical supervision.
Frequently asked questions
How long does a plasmapheresis session last?
A complete session takes between 2 and 3 hours, including preparation, filtration (90-120 minutes), and post-procedure observation. It does not require hospital admission; it is an outpatient procedure.
Does plasmapheresis hurt?
The only uncomfortable moment is the needle or catheter insertion, similar to a blood draw. There is no pain during the procedure. The most common sensations are lip tingling (from citrate) and feeling cold, both of which are manageable.
What is the difference between plasmapheresis and dialysis?
Dialysis filters small molecules (urea, creatinine) and is indicated for kidney failure. Plasmapheresis filters large molecules from plasma (proteins, antibodies, inflammatory mediators) and is indicated for autoimmune and neurological diseases, and more recently, longevity protocols. They filter different things.
How many plasmapheresis sessions are needed?
It depends on the goal. For autoimmune diseases, a typical cycle includes 5-10 sessions on alternate days. In longevity medicine, protocols typically involve 1-3 sessions per cycle, repeated every 6-12 months based on the patient's biomarkers.
What are the side effects of plasmapheresis?
The most common are perioral tingling (20-30%), transient fatigue (30-50%), and mild dizziness (10-20%). Serious complications (allergic reaction, infection) occur in fewer than 1% of cases. The safety profile is favorable when performed at an experienced facility.
How much does plasmapheresis cost at Progevita?
Membrane plasmapheresis at Progevita costs €1,500 per session. This includes the prior medical consultation, control labs, the full procedure, and post-session observation. It can be added to any of our longevity programs.
Can plasmapheresis reverse aging?
Recent scientific evidence suggests that therapeutic plasma exchange reduces biological aging markers. A 2025 controlled trial (PMID: 40424097) showed improvements across 15 epigenetic clocks following TPE. It is not a fountain of youth, but it is a tool that reduces the circulating inflammatory burden associated with aging.
References
- Pham HP, Schwartz J, "Therapeutic Plasma Exchange", StatPearls, updated 2023 (available at NBK560566)
- Mehdipour M et al., "Rejuvenation of three germ layers tissues by exchanging old blood plasma with saline-albumin", Aging, 2020 (PMID: 32474458)
- Mehdipour M et al., "Old plasma dilution reduces human biological age: a clinical study", GeroScience, 2022 (PMID: 35999337)
- Mehdipour M et al., "Multi-Omics Analysis Reveals Biomarkers That Contribute to Biological Age Rejuvenation in Response to Therapeutic Plasma Exchange", GeroScience, 2025 (PMID: 40424097)
- Kiprov DD et al., "Therapeutic plasma exchange (TPE) and blood products – Implications for longevity and disease", Transfusion and Apheresis Science, 2021 (PMID: 34074614)
- Mokrzycki MH, Kaplan AA, "Therapeutic plasma exchange: complications and management", American Journal of Kidney Diseases, 1994 (PMID: 7832113)
- Conboy IM et al., "Rejuvenation of aged progenitor cells by exposure to a young systemic environment", Nature, 2005 (PMID: 15703760)
This article is for informational purposes and does not replace medical consultation. Any plasmapheresis procedure should be evaluated and indicated by a qualified healthcare professional.
Interested in finding out whether plasmapheresis could be part of your longevity plan? Book a consultation with our medical team and design a personalized program at Balneario de Cofrentes.