Aterina

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

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 Aterina

Property Description
Active Ingredient Sulodexide
Form Soft Capsules, Solution for Injection
Pharmacological Class Antithrombotic Agent (Vascular Disorder Therapy)
Origin Highly purified natural sulfated polysaccharide complex
General Purpose Supports vascular integrity and maintains blood patency

What Type of Medicine is Aterina (Sulodexide)?

Aterina is a medicinal product defined by its active ingredient, Sulodexide, which is classified as an Antithrombotic Agent within the Heparin group. It is an integrated Vascular Disorder Therapy. As a single-active-ingredient product, its primary purpose is to support the overall health and function of the circulatory system. This is achieved by maintaining optimal blood flow dynamics to support microvascular health.

Composition and Administration: Natural Origin and Dual Form

Sulodexide is a compound distinguished by its natural sulfated polysaccharide complex origin, differentiating it from agents that are wholly synthetic. Its composition is specific, consisting of a precise mixture of Glycosaminoglycans (GAGs), namely Heparan sulfate and Dermatan sulfate fractions. The medicine provides flexible administration options: Soft Capsules are available for the Oral route, allowing for convenient long-term use, while a sterile Solution for Injection is used for acute or initial parenteral administration via Subcutaneous, Intravenous, or Intramuscular injection.

The Pharmacological Difference: Integrated Vascular Support

The action of Sulodexide is characterized by its integrated effect across the vascular wall and the coagulation cascade. This compound provides a balanced effect by simultaneously enhancing natural anticoagulation factors, Antithrombin III (AT III) and Heparin cofactor II (HCII). Furthermore, the GAG complex possesses pronounced endothelial cell affinity and profibrinolytic properties. This dual preventative and supportive action—which helps to improve blood viscosity and reduce the tendency for fibrin formation—is a key differentiating factor from other anticoagulant therapies.

What side effects are possible with Aterina?

Possible Side Effects and Safety Information

The safety profile of Aterina (Sulodexide) is officially structured by its classification as an antithrombotic agent. Adverse reactions listed in regulatory documents are grouped by the affected body system, distinguishing between common, expected effects and the inherent risks of its pharmacological class.


Official Adverse Reaction Profile

Adverse events are generally classified by frequency, with many being described as mild and transient. The most commonly reported events are linked to two primary areas:

  • Gastrointestinal Disorders: These may include nausea, dyspepsia (indigestion), epigastralgia (upper central abdominal pain), and minor bowel symptoms, which are often classified as Common.
  • Administration Site Reactions: For the injectable form, local reactions such as pain, burning sensation, or hematoma at the injection site are frequently noted.

Less frequently reported reactions classified as Rare or Very Rare include generalized skin manifestations such as rash or pruritus (itching), and systemic symptoms like headache or dizziness.


Serious Safety Considerations and Limitations

As with all medicines in the antithrombotic class, the most serious potential safety concern is the risk of hemorrhagic complications (bleeding events). The official label notes that this risk is heightened by the concomitant use of other agents that affect blood clotting, such as antiplatelet agents or other anticoagulants.

Absolute restrictions on use, or contraindications, are clearly established in the regulatory labeling:

  • Active bleeding disorders or severe thrombocytopenia.
  • Known hypersensitivity to Sulodexide, heparin, or heparin-like substances.

Specific caution is mandated for use in patients with severe hepatic impairment or severe renal impairment, as these conditions can alter the medicine's metabolism and excretion. The safety profile is not fully established for use during pregnancy or lactation.

Overdose and Emergency Response

Overdose and When to Seek Help


The official regulatory profile for Aterina (Sulodexide) focuses the overdose risk almost entirely on the potential for bleeding episodes (hemorrhagic events). Because the medication has anticoagulant and profibrinolytic activity, taking an excessive dose may potentiate these effects, leading to bleeding as the primary clinical manifestation of overdose.

Overdose Profile Summary

Overdose Domain Official Regulatory Focus
Symptom Manifestation Hemorrhagic episodes (bleeding)
Physiological System Hemorrhagic system
Required Action Suspend the drug immediately

Overdose manifestations may range from minor bleeding to major hemorrhage, which is defined in clinical trials as a bleeding event that is fatal, occurs in a critical area, or requires a blood transfusion.

When to Seek Immediate Medical Help

Immediate medical attention from a doctor is required in case of overdose. If a suspected overdose occurs, the drug must be suspended, and a healthcare professional should be consulted immediately. Management of overdose is primarily symptomatic, focusing on addressing and controlling the bleeding consequences.

Therapeutic Uses of Aterina

Aterina may be part of symptomatic management, applied across domains where additional symptomatic support is needed. The compound is commonly used to help manage symptoms in conditions with increased physiological stress, relevant across conditions presenting with recurrent or episodic manifestations.

Aterina is commonly used to address symptom clusters that may become intense or disruptive, such as those related to physical discomfort and systemic imbalance. It is applied in contexts where additional symptomatic support is needed, assisting with maintaining functional stability when symptoms interfere with daily comfort. The use of Aterina is relevant for easing distress during difficult episodes.

“The medication is considered relevant for easing symptoms that create noticeable functional strain, common in conditions where symptoms may intensify temporarily.”

It is relevant for managing symptoms that may appear suddenly or fluctuate, which assists with maintaining functional stability and supports the patient during difficult episodes. It is commonly used in clinical settings that involve acute or unstable symptom patterns, where short-term symptomatic assistance is appropriate.


Quick Fact: Relief for Symptomatic Discomfort

Eligibility and Restrictions for Use

Official Eligibility Profile

The eligibility for using Aterina (Sulodexide) is strictly defined by regulatory documents, focusing on patient safety related to its antithrombotic properties.

Contraindicated Populations (Must Not Use) Age-Related Eligibility
Hypersensitivity to Sulodexide, heparin, or heparin-like products. Adults: Use is established for the general adult population (18 years and older).
Haemorrhagic Disease, Diathesis, or Active Bleeding [ClinicalTrials.gov NCT01295775]. Pediatric: Use is generally not established for the general pediatric population (under 18 years).

Restricted and Conditional Use

  • Pregnancy and Lactation: Use is contraindicated or not recommended during intended or ascertained pregnancy and while breastfeeding, due to a lack of established safety data in these populations [ClinicalTrials.gov NCT01295775].
  • Organ Function: Use requires caution and may be restricted in patients with severe hepatic impairment or severe renal insufficiency [ClinicalTrials.gov NCT01295775].
  • Co-medication: Use is restricted when patients are concomitantly receiving other medications that increase the risk of bleeding, such as specific antithrombotics or antiplatelet agents [DrugBank DB06271].

The regulatory basis for eligibility relies on establishing a favorable safety profile within the adult population and prohibiting use in groups where the risk of bleeding is inherently high or where safety data is insufficient.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Aterina (Sulodexide)

The official interaction profile for Aterina (Sulodexide) is structured by a regulatory understanding of its effects on the hemostasis system. This framework establishes the potential for additive effects when co-administered with other substances that influence blood coagulation or platelet function, resulting in specific constraints on its use.

Interaction Scope

  • Medicinal product categories with documented interactions: Antithrombotic Agents, Antiplatelet Agents, Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).
  • Specific interacting medicines (if explicitly listed): Acetylsalicylic acid, Apixaban.
  • Mechanistic basis of interactions (only if stated in label): Pharmacodynamic interaction resulting in additive effects on hemostasis.
  • Interaction-related restrictions: Co-administration is restricted by the documented increased risk of bleeding.
  • Timing-based interaction rules (if applicable): No mandatory timing or separation requirements are specified in the official documentation.

Interaction Classifications (High-Level)

Interactions are classified as being of clinical significance due to the potential for severe adverse outcome (hemorrhage) when co-administered. The constraint is tied directly to the risk of additive effects on hemostasis.

Resulting Interaction Structure

Official Interaction Statements:

  • Co-administration with other Antithrombotic Agents, Antiplatelet Agents, or Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) is documented to result in an officially stated increased risk of bleeding or hemorrhage.
  • Acetylsalicylic acid is specifically documented to increase the anticoagulant activities of Sulodexide.

The regulatory documentation defines the product’s interaction structure primarily through a pharmacodynamic framework, which establishes the potential for additive effects on the coagulation cascade. This structure ensures that regulatory constraints are centered on mitigating the resulting increased risk of bleeding, consistent with the profile of its pharmacological group.

Mechanism of Action

Aterina's action is defined by its selective influence on specific receptor- and enzyme-mediated signaling pathways. The drug's mechanism centers on molecular intervention to modulate key transmitter systems. It achieves its effects by altering activity early in biochemical cascades, leading to predictable systemic adjustments.


Selective Targeting of Transmembrane Receptors

Aterina primarily acts as a selective modulator engaging a distinct class of transmembrane receptors. This engagement initiates a signaling sequence that alters downstream activity within systems governed by specific neurotransmitters or mediators. The interaction involves reversible binding to the receptor's active site, thereby regulating its conformational state and basal activity level.


Regulation of Intracellular Signaling Cascades

The drug's interaction with its primary targets leads to modification of early intracellular molecular steps. This influence shapes systemic physiological outcomes by regulating crucial feedback loops within the targeted pathways, ultimately contributing to a reduction in the amplitude of specific physiological signals. This includes the modulation of second messenger production and subsequent kinase activation profiles.


Engagement with Processes Exhibiting Dysregulated Activity

Aterina utilizes mechanisms that influence processes characterized by increased or atypical physiological activity. By applying an adjustment to the targeted pathway, the drug promotes an alteration in pathway dynamics and modifies the effects resulting from elevated mediator concentrations within relevant biological systems.

Dosage and Administration Information

How to Use Aterina

Aterina (Sulodexide) is administered according to a defined, sequential protocol that involves two distinct phases: an initial course using the injectable solution, followed by a prolonged maintenance course using the oral soft capsules.


Administration and Dosing Regimen

The medicine is supplied for two routes of administration: parenteral via the Solution for Injection (Intravenous or Intramuscular), and oral via the Soft Capsules. The initial phase typically involves the parenteral route, administered once daily for a period of approximately 15 to 20 days. The initial daily dose is generally 600 Lipasemic Units (LSU).

Following the completion of the injectable course, treatment transitions to the oral maintenance phase. The standard oral maintenance dose is 250 LSU per capsule, taken twice daily (b.i.d.), resulting in a total daily oral dose of 500 LSU. The maintenance phase duration is typically extensive, lasting for several months, ranging from two to six months, and may be repeated as prescribed.


Specific Instructions for Use

The oral soft capsules are taken separate from meals. The injectable solution is administered in a healthcare setting under medical supervision. In terms of time-related rules, a double dose should not be used to compensate for a forgotten one. Furthermore, use is not recommended in children and adolescents under 18 years old, or in patients with hepatic impairment, due to a lack of established data in these populations.

Recent Clinical Evidence

Research Evidence for Aterina

Aterina in Conditions Characterized by Fluctuating or Episodic Manifestations

Aterina was studied for its use in conditions characterized by fluctuating or episodic manifestations, which involve periods of heightened symptoms. The research examined its association with outcomes related to physical discomfort and outcomes describing episodic or acute changes. Studies were conducted during periods of increased symptom activity, and research explored short-term symptom changes. Research describes patterns observed in the studies where Aterina was observed in some studies during the evaluation of outcomes related to systemic or functional imbalance. However, findings were mixed across different study groups, and the overall change was observed in some studies but not others.


Aterina in Research Contexts Involving Fluctuating or Unstable Symptoms

Research examined Aterina in contexts used in research exploring how symptoms change over time, focusing on patient-reported outcomes describing perceived discomfort. Studies monitored temporary changes in outcomes monitoring physiological strain or stress. These changes was associated with Aterina in some studies. Results apply only to the populations studied, which were specific groups under controlled observational settings evaluating daily-life functioning.

Evidence is limited regarding long-term outcomes, as follow-up durations were limited. Comparative evidence is lacking, meaning certainty remains low regarding how the observed patterns compare to other approaches. Research does not determine whether an individual will respond similarly; findings describe group patterns, not personal outcomes.


Aterina for Symptom Intensity or Variability (Exploratory Only)

Aterina was evaluated in small, exploratory studies focusing on symptom intensity or variability. The findings help contextualize how patients reported their experience, and research contributes to understanding symptom patterns. These initial studies contribute to the broader evidence landscape, though sample sizes were modest, and the research area is ongoing.

Frequently Asked Questions (FAQ)

Common questions about Aterina (FAQ)

Q: What are the official descriptions of the drug's purpose?

The World Health Organization (WHO) officially categorizes the active ingredient, Sulodexide, as an Antithrombotic Agent within the Heparin group. It is also recognized in pharmacological contexts as a Vascular Disorder Therapy. Its purpose is officially described as supporting the overall health and function of the circulatory system.

Q: Is Aterina meant for long-term use, or is it only for a short period?

Regulatory research has investigated the use of this medicine for extended treatment durations in specific groups of patients. Studies for secondary prevention have been documented to last for periods of up to 12 months. The final duration of use is established by the prescribing healthcare provider based on the medical need.

Q: How long does it typically take to notice any effect from Aterina?

Clinical research has focused on monitoring outcomes related to short-term symptom changes in study participants. These studies also explore the medicine's role in the long-term goal of reducing the risk of recurrent events related to vascular health. Official documentation describes study protocols that assess outcomes over defined periods, rather than giving a specific time-to-onset for individual response.

Q: How is the effectiveness of Aterina typically measured in clinical trials?

The primary measure of effectiveness used in regulatory clinical studies is typically the rate of recurrence of specific vascular events. These events include conditions such as deep vein thrombosis (DVT) or pulmonary embolism (PE). Research findings describe the patterns observed in these large group studies.

Q: How does Aterina compare to older, established medications for the same use, based on studies?

Research that compared the medicine to unfractionated heparin, which is an older type of anticoagulant, provides context on its mechanism. Studies describe that Aterina affects normal hemostasis (the process of blood clotting) to a lower extent. This difference is associated with a reduced risk of bleeding compared to unfractionated heparin.

Q: Why is Aterina sometimes prescribed alongside other medications?

The medicine is described in clinical practice as sometimes being used in combination with other pharmacological approaches. This can include medicines such as direct oral anticoagulants (DOACs) or other venoactive drugs (VADs) to support comprehensive management of the underlying condition.

Q: What is the difference between Aterina and its generic version, if one exists?

Aterina is the brand name used to market the active ingredient, which is officially known as Sulodexide. Sulodexide is the internationally recognized generic designation for the compound. The medicine is classified as an Antithrombotic Agent within the Heparin group.

Q: What does official regulatory information say about Aterina and pregnancy?

The medicine is officially contraindicated during pregnancy, according to regulatory guidelines. This restriction is primarily based on the lack of established safety data for use in pregnant women. There is also the general, intrinsic potential for an increased bleeding risk associated with this class of medicine.

Q: What information is available about Aterina and lactation?

Regulatory guidance states that the medicine is officially contraindicated or not recommended while breastfeeding. This is due to the lack of established safety data regarding whether the medicine has the potential to be excreted into human milk.

Q: Is Aterina considered safe for use in older adults (e.g., over 65)?

Official regulatory research has included studies specifically examining the treatment's efficacy and safety in elderly patient populations. These studies included adults aged 75 years and older who had certain pre-existing risk factors.

Q: Are there studies on Aterina's use in children or adolescents?

Official regulatory documents indicate that the medicine is not generally established for use in the pediatric population (under 18 years old). However, the European Union Clinical Trials Register has documented the existence of clinical trials that have included subjects less than 18 years old for research purposes.

Q: What are the official restrictions on Aterina use for people with diabetes?

Clinical trial documentation notes that certain pre-existing conditions, such as diabetes, are recognized as risk factors for bleeding. For this reason, the official use of antithrombotic agents is noted to involve particular caution and monitoring for patients with this condition.

Q: Can Aterina affect one's ability to drive or operate machinery?

The official safety profile, based on adverse event reporting, notes that rare side effects such as dizziness and headache have been reported. As with any medication that might cause these effects, caution may be warranted regarding activities that require full mental alertness.

Q: How long does Aterina typically remain in the bloodstream after the last dose?

Pharmacokinetics studies, which examine how the body handles the medicine, indicate that the active components and their metabolites circulate in the blood. Official information suggests that these components remain in the bloodstream for a duration of up to 24 hours following the oral administration regimen.

How should Aterina be stored and disposed of?

How to Store and Dispose of Aterina (Sulodexide)

Aterina (Sulodexide) requires specific handling to maintain stability and ensure safety, as defined by regulatory labeling.


Storage Requirements

Constraint Requirement
Temperature Store at a temperature not exceeding 30 C for the soft capsules.
Protection Keep in a cool, dry place, protected from direct heat and light.
Container Keep the medicine in its original pack until use.
Child Safety Must be kept out of the sight and reach of children.

Disposal Instructions

Any unused or expired Aterina must be disposed of in accordance with local requirements. The product must not be used past the printed expiry date.

For the Solution for Injection form, used needles and syringes must be placed immediately in an FDA-cleared sharps disposal container and must not be put into household trash or recycling.

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

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