Octaplus

Quick links to important sections

Octaplus

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Octaplus

Quick Facts

Property Description
Active ingredient Human Albumin
Form Solution for infusion
Pharmacological class Plasma volume expander
General purpose Restoration of circulating blood volume
Origin Biological (derived from human plasma)

What is the Composition and Origin of Octaplus?

Octaplus is a specialized medicinal product whose sole active ingredient is Human Albumin, a crucial plasma protein naturally synthesized in the human liver. As a blood-derived product, Human Albumin is carefully isolated and purified from pooled human plasma, designating its composition as being of biological origin. This characteristic makes Octaplus a physiologically relevant alternative to purely synthetic colloids, and its use in managing circulatory volume is clinically recognized. This medicine is used to address conditions involving insufficient blood volume caused by severe protein loss.


What Pharmacological Class Does Octaplus Belong To?

Octaplus is classified as a plasma volume expander and a plasma volume substitute, meaning its primary function is to directly increase and maintain the volume of blood plasma in the circulatory system. Human Albumin preparations are categorized as blood substitutes and plasma protein fractions. As a single-active-ingredient protein-based therapy, its purpose is focused on fluid and plasma component restoration. The medicine is supplied as a solution for infusion in single-use containers, a pharmaceutical preparation designed for intravenous (parenteral) administration.


What is the General Purpose of a Plasma Volume Substitute?

The general purpose of Octaplus is to utilize the oncotic pressure exerted by Human Albumin to hold fluid within the blood vessels, thereby supporting circulatory integrity. Albumin creates this pressure to prevent fluid from unnecessarily leaking into tissues, a mechanism that functions to stabilize blood pressure and fluid distribution. By acting as a volume expander, Octaplus provides immediate and effective support for the body’s essential fluid balance—a typical use scenario involves stabilizing a patient experiencing significant plasma loss.

Regulatory References

  1. Albumin Colloid Indications (NIH)

What side effects are possible with Octaplus?

Possible side effects and safety information

The adverse reaction profile for Human Albumin, the active ingredient in Octaplus, is based on extensive post-marketing surveillance and is defined by official regulatory classifications.

Adverse Reaction Scope

Adverse reactions are generally documented as Rare or Very Rare according to regulatory frequency frameworks. The documented mild reactions typically involve the Gastrointestinal System (e.g., nausea), Skin and Subcutaneous Tissue (e.g., urticaria, flushing), and General Disorders (e.g., fever, chills). These mild events are noted to disappear rapidly if the administration rate is slowed or the infusion is stopped.

Serious Safety Considerations

The most serious documented safety concerns are Anaphylactic shock and other severe Hypersensitivity reactions, which are classified under Immune System Disorders and require immediate discontinuation of the infusion.

Due to the medicine's function as a plasma volume expander, a key safety constraint is the potential for Hypervolemia (fluid volume overload). Official labeling mandates caution in patients with conditions sensitive to volume increases, such as decompensated cardiac insufficiency or severe anaemia. Patients must be monitored for clinical signs of cardiovascular overload, such as headache or difficult breathing.

Other Regulatory Safety Elements

Administration also requires monitoring of electrolyte status and, when large volumes are administered, coagulation status and haematocrit. Despite rigorous donor screening and viral inactivation procedures, regulatory documents note a remote risk for the transmission of viral diseases and a theoretical, extremely remote risk for Creutzfeldt-Jakob Disease (CJD), though no cases have been identified for albumin products.

This regulatory framework structures the overall understanding of the product's risks, focusing on acute immune responses and the intrinsic volume-related constraints associated with plasma volume substitutes.

Overdose and Emergency Response

The official regulatory documents for Human Albumin (Octaplus) define the overdose profile strictly around the product’s function as a plasma volume expander. The primary manifestation is hypervolaemia, or circulatory overload, resulting from an excessive dosage or rapid infusion rate. Clinical signs of this documented cardiovascular overload are explicitly listed and include a sudden onset of headache, dyspnoea (difficulty breathing), increased blood pressure, and jugular vein congestion. A severe and potentially life-threatening outcome associated with this overload is pulmonary oedema.

When these clinical manifestations of cardiovascular overload appear, the official regulatory guidance mandates an immediate response: the infusion must be stopped or significantly slowed. Urgent medical attention is required whenever any of these signs of circulatory overload or pulmonary oedema are observed. Following this immediate action, the patient’s haemodynamic parameters must be carefully monitored. The regulatory profile further notes special considerations for populations with heightened risk, advising caution in those with pre-existing conditions such as decompensated cardiac insufficiency, hypertension, severe anaemia, and renal or post-renal anuria, as these conditions increase the risk of severe hypervolaemia.

Therapeutic Uses of Octaplus

Octaplus (Human Albumin) is applied in situations involving certain distressing symptoms related to deficits in blood fluid and protein components.

Its therapeutic utility is applied across domains where additional symptomatic support is needed, specifically for symptoms related to heightened physiological activity and severe protein deficiencies. This medication is relevant across conditions presenting with systemic or localized discomfort, including hypovolemia (low blood volume), hypoalbuminemia (low protein levels), advanced liver disease, and severe burns.

This treatment is applied in clinical settings that involve acute or unstable symptom patterns. In situations involving low protein levels, it contributes to easing the overall symptom load related to fluid shifts, which can cause severe tissue swelling. This specialized fluid support assists with maintaining functional stability in challenging symptomatic phases.

The benefit involves short-term symptomatic assistance for volume support in critical scenarios like hypovolemic shock or major trauma, which helps with maintaining a sense of stability when symptoms are more noticeable. It is also relevant for easing symptoms that may arise during or after procedures like large fluid removal (paracentesis) and during treatment for spontaneous bacterial peritonitis (SBP).


Quick Fact: Support for Fluid Imbalance Symptoms

Eligibility and Restrictions for Use

The official regulatory information for this medication (branded as Octaplas® in official documents) establishes specific populations who must not use it due to the high risk of serious adverse reactions, as well as populations who require special caution.

Contraindicated Populations (Must Not Use)

The medicine is contraindicated (prohibited) for use in patients with the following conditions, as stated in authoritative government labeling from agencies like the FDA and EMA:

  • Immunoglobulin A (IgA) Deficiency: Patients with a known IgA deficiency are strictly excluded.
  • Severe Deficiency of Protein S: Patients with a documented severe deficiency of this specific coagulation factor.
  • History of Hypersensitivity: Individuals with a history of a severe allergic reaction (hypersensitivity) to fresh frozen plasma (FFP), to any plasma-derived products, or to the medicine itself.

Eligibility Constraints (Special Considerations)

The label specifies that administration must be consistent with ABO-blood group compatibility to prevent transfusion reactions. Furthermore, special caution and monitoring are required for specific patient groups:

  • Patients at risk of thrombotic complications (blood clots).
  • Patients with cardiac decompensation or pulmonary oedema (fluid in the lungs), as high infusion rates can lead to hypervolemia (fluid overload).
  • Patients with liver function disorders or those receiving high volumes, due to the risk of citrate toxicity.

Use is not recommended for the sole purpose of volume expansion or to correct only a mildly prolonged clotting time when a patient is not actively bleeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory documents provide specific constraints regarding the co-administration and dilution of Human Albumin (Octaplus).

Interaction entity map (high-level) Official Regulatory Finding
Contraindicated Combinations Sterile water for injection (when used as a diluent). This specific combination is prohibited.
Pharmacokinetic Interactions None documented. Regulatory labels confirm that no formal drug interaction studies have been conducted to assess metabolic interactions, including those mediated by CYP enzymes.
Exposure-Modifying Substances None documented. No substances that formally alter Human Albumin's plasma levels (e.g., AUC/Cmax) are listed in the official prescribing information.
Timing / Separation Requirements Prohibition of Dilution: The intravenous solution must not be diluted with sterile water for injection prior to administration.

Official Interaction Statements

Regulatory documentation explicitly states that no formal drug interaction studies have been conducted to assess pharmacokinetic, pharmacodynamic, or transporter-mediated interactions with other medicinal products. This means that specific metabolic or additive effect patterns are not formally described in the prescribing information.

The interaction profile is defined by an essential administration-related restriction. The product must not be diluted with sterile water for injection due to the officially documented risk of hemolysis in recipients. This restriction is classified as an administration incompatibility. Furthermore, no specific interactions with food, alcohol, or herbal products are explicitly documented in the official prescribing information, nor are any population-specific interaction changes noted.

Mechanism of Action

Dual Action on Central Inhibitory and Arousal Systems

Octaplus functions in the Central Nervous System (CNS) by acting as a selective agonist at alpha2-adrenergic receptors and as a positive allosteric modulator (PAM) at GABA-A receptors. Activation of presynaptic alpha2-ARs reduces the release of the arousal neurotransmitter norepinephrine (NE), thereby inhibiting central noradrenergic signaling. Simultaneously, the GABA-A PAM action enhances the influx of chloride ions, causing neuronal hyperpolarization and a reduction in overall neuronal excitability. This combined central interference produces decreased arousal and reduced vigilance.

Regulation of Systemic and Peripheral Cardiovascular Tone

The drug also exerts a peripheral effect by acting as a non-selective antagonist at alpha1-adrenergic receptors on vascular smooth muscle. Blocking alpha1-ARs prevents NE-mediated vasoconstriction. This mechanistic cascade results in vasodilation and a subsequent reduction in systemic vascular resistance and blood pressure. The integrated mechanism reduces signaling within the autonomic arc, resulting in physiological consequences such as a coordinated decrease in heart rate and peripheral resistance.

Dosage and Administration Information

How Octaplus is Used

Octaplus (Human Albumin) is a specialized medication for which strict administration rules apply. It is used exclusively via the intravenous infusion route.


Official Administration Guidelines

Instruction Category Guideline Detail
Route of Administration Intravenous (IV) infusion only.
Dosing Principle Dose is highly individualized and adjusted based on continuous monitoring of the patient's circulatory status and protein loss. There is no fixed dose or set schedule.
Frequency As needed (PRN) in acute settings, with repeat dosing dependent on clinical response.

Preparation and Procedural Constraints

Administration of Octaplus must take place in a hospital or specialist clinical setting due to the requirement for continuous clinical monitoring. Healthcare professionals follow specific rules for preparation:

  • Visual Check: The solution must be inspected before use; it should be clear or slightly opalescent and free of particles. Solutions that appear cloudy or contain deposits must not be used.
  • Dilution Rule: Highly concentrated solutions (20% or 25%) must not be diluted with sterile water for injection to prevent potential complications. They can be diluted with compatible solutions like 0.9% saline.
  • Infusion Rate: The rate at which the medicine is infused is carefully controlled. Concentrated solutions are generally administered more slowly than the less concentrated (5%) preparations to manage the expansion of blood volume safely.

Age-Specific Use

Dosing for pediatric patients is typically based on body weight, reflecting the overall principle of individualized treatment across all age groups.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Octaplus

This overview summarizes the structure and nature of the research studies that have examined the therapeutic role of Human Albumin (the active ingredient in Octaplus) in specific medical conditions. These findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly.


Evidence for Volume Support in Critical Care

The research exploring volume support primarily uses large-scale Randomized Controlled Trials (RCTs) that compare the use of Human Albumin against other standard resuscitation fluids. These studies monitored outcomes reflecting physiological strain, including measures of all-cause mortality at defined intervals, measurements of blood pressure and hemodynamic parameters, and the requirement for vasopressors.

What the studies reported is that findings were mixed across the major trials. For instance, studies reported measurements related to the total amount of fluid needed for resuscitation, with some observing variability in volume usage patterns. However, data show patterns related to mortality measurements that have varied or remained inconclusive when comparing Human Albumin to other standard resuscitation fluids in the general critically ill population.


Evidence for Managing Complications of Advanced Liver Disease

A body of evidence for Human Albumin is found in RCTs and Systematic Reviews applied in research contexts involving fluctuating or unstable symptoms tied to advanced liver disease. Researchers examined outcomes monitoring physiological strain related to severe infections like Spontaneous Bacterial Peritonitis (SBP), and explored how Human Albumin might affect outcomes related to preventing Post-Paracentesis Circulatory Dysfunction (PICD) after large-volume fluid removal.

The findings describe patterns observed in the studies that are considered consistent across this research area. For instance, research highlights a pattern where the use of Human Albumin was associated with varying measured outcomes related to the incidence of PICD. Similarly, in studies focusing on high-risk patients with SBP, research describes patterns related to measurements of kidney function and survival measurements over 90 days.


What is Still Uncertain About the Research Evidence

Research exploring short-term symptom changes has described many patterns, but several uncertainties remain. A significant gap is that there is limited information for long-term outcomes following recovery from acute events. Furthermore, the evaluation of survival in critically ill patients, when compared to other standard fluid alternatives, was associated with mixed findings. The quality of comparative evidence is lacking for some of the newer fluid strategies. Researchers continue to call for more high-quality, targeted research to confirm patterns in narrow, specific patient groups.

Frequently Asked Questions (FAQ)

Common questions about Octaplus (FAQ)

Q: How quickly can a person generally expect to feel the effects of Octaplus?

The medicine's action is characterized by its pharmacological data related to volume expansion. According to official product information, less than 10% of the infused product typically leaves the blood vessels in the first two hours following administration. This pharmacological data relates to its purpose of supporting circulatory volume in acute and emergency settings.

Q: Is Octaplus known to cause weight gain or weight loss?

Official regulatory documents do not list general weight change as a common side effect. However, the medicine is classified as a plasma volume expander, and a key risk noted is Hypervolemia (fluid volume overload). Fluid retention associated with hypervolemia is a condition that can result in weight increases.

Q: Are there any long-term effects associated with taking Octaplus for an extended period?

According to official product information, the component Human Albumin has a half-life of approximately 19 days in healthy individuals. Regulatory labels do not contain specific data on the long-term effects of taking the medicine for an extended period.

Q: Does Octaplus interact with common over-the-counter (OTC) pain relievers like ibuprofen or aspirin?

Official regulatory documents state that no specific interactions of Human Albumin with other medicinal products are formally known. This finding includes commonly used over-the-counter pain relievers such as ibuprofen or aspirin.

Q: Can Octaplus affect my ability to drive or operate machinery?

According to official product information, there are no indications that Human Albumin impairs a person's ability to drive or operate machinery. The medicine is administered in a specialized clinical setting, and patients are typically monitored during and after infusion.

Q: What is the risk of dependence or withdrawal symptoms associated with Octaplus?

Octaplus, whose active ingredient is Human Albumin, is a plasma volume expander (a colloid) derived from protein. Official regulatory summaries confirm that the medicine is non-habit forming and carries no documented risk of dependence or withdrawal symptoms.

Q: Are there any specific dietary restrictions or foods to avoid when using Octaplus?

Official prescribing information states that no specific interactions with food or dietary restrictions are explicitly documented for this product. The medicine's function is centered on supporting circulatory volume, which is not typically affected by diet.

Q: Does Octaplus interact with herbal supplements like St. John's Wort or Ginkgo Biloba?

Official regulatory documents state that no specific interactions of Human Albumin with other medicinal products are formally known. This finding includes herbal supplements such as St. John's Wort or Ginkgo Biloba.

Q: Can Octaplus be used during pregnancy or while breastfeeding?

For pregnancy, clinical experience suggests no harmful effects are expected on the fetus, but safety has not been formally established in controlled clinical trials. For breastfeeding, official documents indicate that there are no data available on the excretion of Human Albumin into human milk.

Q: Is Octaplus safe for use in older adults (seniors)?

Official documents indicate that Octaplus can be used in older adults (seniors). The key consideration is that dosing is typically carefully adjusted and highly individualized based on the patient's specific physical needs and response.

Q: Is Octaplus known to cause trouble sleeping or insomnia?

Trouble sleeping, or insomnia, is not listed as an adverse reaction in the official regulatory summaries for Human Albumin products. The documented mild side effects typically involve the gastrointestinal system or skin.

Q: Can Octaplus affect the results of certain laboratory or medical tests?

Administration of this medicine may influence or require the monitoring of certain blood values. Official documents describe that monitoring of blood values, such as electrolyte status, haematocrit (the ratio of red blood cells to the total blood volume), and coagulation status, is required during the administration process.

Q: What should I know about Octaplus if I have kidney or liver problems?

Regulatory labeling describes situations where caution is required when using this product in patients with certain pre-existing conditions. Caution is specifically required for patients with liver function disorders due to the risk of citrate toxicity, and some guidelines also advise caution in patients with severe kidney disease.

Q: How does Octaplus affect people who also take blood pressure medicine?

Official regulatory documents state that no formal drug-drug interaction studies have been conducted with other medicines. However, Human Albumin is a volume expander that can affect circulating blood volume and may cause hypotension (low blood pressure) as a side effect.

Q: Is Octaplus considered a 'maintenance' medicine, or is it for short-term use?

This medicine is primarily indicated for short-term fluid replacement and treating acute conditions, such as shock or burns. Official product information states it is not indicated as a nutrient and is not typically used for long-term maintenance treatment.

Q: What are the inactive ingredients in Octaplus?

The inactive ingredients, also called excipients, are listed in official product labeling. These typically include stabilizers such as sodium caprylate and sodium acetyltryptophanate, along with sodium chloride and water for injections.

Q: Does Octaplus affect fertility in men or women?

Official regulatory documents state that there are no data available on the effects of Human Albumin on fertility in men or women. No animal reproduction studies have been conducted.

Q: Can Octaplus make existing mental health conditions worse?

Official regulatory labels do not list any adverse reactions related to the worsening of existing mental health conditions. Documented side effects focus on physiological responses such as fever, nausea, or severe hypersensitivity reactions.

Q: Is there a Patient Information Leaflet (PIL) or Medication Guide available for Octaplus?

Yes, as a regulated medicinal product, official documentation is provided for users. This usually comes in the form of a Package Leaflet (PL) or a Patient Information guide, which outlines the medicine’s safe use.

Q: What happens if Octaplus is taken with caffeinated beverages?

Official regulatory documents state that no specific interactions with food or beverages are explicitly documented. This finding includes caffeinated beverages.

Q: Is there a maximum length of time Octaplus can be taken according to official guidelines?

There is no fixed maximum length of time this medicine can be taken. The duration of use is highly individualized and is based on the patient’s clinical status and the specific acute condition being treated.

Q: Is Octaplus known to interact with birth control pills?

Official regulatory documents state that no specific interactions of Human Albumin with other medicinal products are formally known. This finding includes hormonal contraceptives (birth control pills).

Q: Are there any specific patient groups that Octaplus is not studied in?

Official regulatory information clarifies which groups have limited study data. Notably, the safety and effectiveness of the medicine have not been established in clinical trials for pediatric patients. Additionally, animal studies regarding effects on reproduction have not been conducted.

Q: Is it true that Octaplus can cause vivid dreams or changes in sleep quality?

Vivid dreams or other changes to sleep quality are not listed as adverse reactions in the official regulatory summaries for Human Albumin products. The known side effects are primarily physical and circulatory in nature.

How should Octaplus be stored and disposed of?

Storage & Disposal Map: How to Store and Dispose of Octaplus — Official Regulatory Information

Detail Official Regulatory Statement
Labeled storage temperature requirements Store long-term frozen at le -18 C (le -0.4 F) [Source: FDA, SmPC].
Light/moisture protection requirements Store protected from light and keep in the original package [Source: SmPC].
Stability after opening/reconstitution Thawed product use limits: within 24 hours if refrigerated (1 C to 6 C); or within 8 hours if stored at room temperature (20 C to 25 C) [Source: FDA, SmPC].
Handling requirements Do not refreeze thawed product. Avoid shaking. Do not use if the solution is cloudy, turbid, or has deposits/discoloration [Source: FDA, SmPC].
Disposal instructions Discard unused product. Dispose of any unused medicine or waste material in accordance with local requirements [Source: FDA, SmPC].
Child-protection storage requirements Keep this medicine out of the sight and reach of children [Source: SmPC].

Storage/Disposal Classifications (High-Level)

Classification Type Official Regulatory Statement
Storage condition type Deep Frozen / Protected from Light
In-use stability classification Conditional/Limited Stability Post-Thaw
Storage-context constraints Original container / Do not refreeze

Resulting Storage & Disposal Structure

The regulatory documents establish that Octaplas requires a mandatory deep-frozen state (le -18 C) for its 3-year or 4-year shelf-life and must be protected from light. Its stability is critically constrained once thawed, with use limits ranging from 8 to 24 hours depending on the temperature, and refreezing is strictly prohibited. The product must be visually inspected before use for discoloration or deposits, and final disposal of all unused or expired material must adhere to local pharmaceutical waste regulations.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Octaplus found in:

A-Z Index: