Toctino

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Toctino

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Treatment option: Eczema

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 Toctino

Quick Facts

Property Description
Active Ingredient Alitretinoin (9-cis-Retinoic acid)
Form Oral Soft Capsule
Pharmacological Class Systemic Retinoid (First-Generation)
Common Use Treatment of severe chronic inflammatory skin conditions
Origin Synthetic (Analogue of a Vitamin A derivative)

What Type of Medicine is Toctino?

Toctino is a systemic, prescription-only oral medication classified as a retinoid, intended for internal treatment of persistent skin conditions in adults.

It is an internally administered therapy, meaning the active substance, Alitretinoin, is delivered throughout the body via an oral soft capsule. This classification as a Systemic Retinoid signifies a high-level pharmacological approach for patients whose conditions have been unresponsive to potent localized treatments. This usage is clinically recognized as an approach for recalcitrant dermatological issues.

Alitretinoin: A Targeted Synthetic Retinoid

The active ingredient is Alitretinoin, which is chemically known as 9-cis-Retinoic acid, a synthetic compound analogous to an endogenous retinoid that naturally occurs in the body.

As a synthetic retinoid, Alitretinoin possesses a unique differentiating factor: it functions as a "pan-agonist" capable of binding to and activating all six known subtypes of the crucial nuclear receptors—the Retinoic Acid Receptors (RARs) and the Retinoid X Receptors (RXRs). The oral soft capsule formulation utilizes an oil-based vehicle, specifically including soybean oil, which is designed to enhance the consistent systemic absorption of the active ingredient.

General Purpose and Core Mechanism Principle

The medicine's core principle is to use its chemical structure to modulate the immune system and regulate the behavior of cells involved in chronic inflammation.

Through Immunomodulation and Cell Behavior Regulation, Alitretinoin acts to normalize processes of skin cell development and reduce the excessive inflammatory signals that drive chronic skin conditions. Pharmacological studies confirm the drug exhibits significant anti-inflammatory properties by suppressing key mediators of inflammation. This means the drug helps to rebalance the cellular function and reduce the persistent inflammation associated with severe, enduring skin disorders.

What side effects are possible with Toctino?

Possible Side Effects and Safety Information

The safety profile of Toctino (alitretinoin) is defined by officially documented adverse reactions categorized by frequency and the organ systems involved, consistent with systemic retinoid therapy. The effects are generally grouped into common systemic symptoms and a requirement for specific laboratory monitoring.

Frequency-Classified Adverse Reactions

Adverse reactions are classified based on official regulatory frequency terminology:

Classification Examples of Officially Listed Effects
Very Common Headache, Hypertriglyceridemia (elevated blood fats)
Common Cheilitis (lip dryness), Dry skin, Arthralgia (joint pain), Myalgia (muscle pain), Elevated liver enzymes (Transaminases increased)
Uncommon Visual disturbance, Tinnitus, Depression, Nausea, Vomiting
Rare Intracranial hypertension, Acute pancreatitis

These effects involve several system-organ classes, including Skin and Subcutaneous Tissue, Metabolism and Nutrition, Musculoskeletal, Nervous System, and Hepatobiliary disorders.

Serious Safety Considerations

The medicine carries an official, severe restriction concerning reproduction due to the high risk of severe teratogenicity (harm to a developing fetus). This risk necessitates a mandatory Pregnancy Prevention Programme for all females of childbearing potential. Rare but serious reactions documented include Intracranial Hypertension and Acute Pancreatitis. Safety constraints also mandate that the medicine is contraindicated in cases of severe hepatic impairment and pre-existing hypervitaminosis A.

Monitoring and Exposure Patterns

The label specifies that certain laboratory changes, such as increases in blood lipids and liver enzymes, are commonly observed early in the treatment course. Regular monitoring of these laboratory values is an officially required safety measure. Use is also restricted with other retinoids, Vitamin A, or tetracycline antibiotics due to the potential for intensified adverse effects.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Alitretinoin overdose describes toxicity consistent with Hypervitaminosis A and mandates immediate medical consultation regardless of symptoms. Manifestations documented in regulatory labeling often involve the central nervous system and gastrointestinal tract.


Documented Clinical Manifestations

System Affected Officially Documented Signs/Symptoms
Neurological Severe headache, vomiting, and visual disturbances (indicative of Benign Intracranial Hypertension)
Gastrointestinal Severe abdominal pain, bloody diarrhea, or rectal bleeding

Required Emergency Actions

Immediate medical help is required in all cases of suspected overdose, even if there are no symptoms. Regulators mandate that patients contact a healthcare practitioner, hospital emergency department, or poison control centre immediately.

Action upon symptom onset: The drug must be stopped immediately upon developing symptoms of Benign Intracranial Hypertension or severe gastrointestinal distress.

Life-Threatening Risks and Management

Overdose carries a risk of severe outcomes, including Pancreatitis which can be fatal. For women of childbearing potential, the most severe risk is life-threatening birth defects; the official procedure mandates a pregnancy test following an overdose. Management is limited to symptomatic and supportive treatment, as no specific antidote is known.

Therapeutic Uses of Toctino

What Toctino Treats: Main Uses and Benefits

Toctino is commonly used for managing conditions characterized by periods of heightened symptoms related to severe, chronic hand eczema (HCE) in adults. It is applied in situations where symptoms may require supportive symptom management beyond external skin treatments. This medication helps address a cluster of symptoms, including intense itching, pain, deep cracks, blistering, and significant redness and swelling. The treatment is relevant for easing symptomatic discomfort and is applied across domains where additional symptomatic support is needed.

The medication may assist with maintaining functional stability. The medication is applied when patients experience significant symptomatic burden:

“symptoms that create noticeable physiological strain and interfere with daily functioning.”

By helping to manage these manifestations, this therapy contributes to easing the overall symptom load, which can assist with maintaining functional stability and supports general well-being during symptomatic phases.


A note on therapeutic support: The medication may assist with maintaining functional stability when symptoms become more noticeable.


Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Toctino — Official Regulatory Information

This medication is strictly regulated for use in specific populations, based on official regulatory documents.

Populations for Whom Use is Allowed

Toctino is officially indicated for use only in adults who have severe chronic hand eczema that is unresponsive to treatment with potent topical corticosteroids.

Absolute Contraindications and Restrictions

Use of Toctino is absolutely contraindicated in several populations due to severe risks or existing medical conditions, including:

  • Pregnant or breastfeeding women. Pregnancy is an absolute prohibition due to the extremely high risk of causing severe birth defects (teratogenicity).
  • Women of childbearing potential who do not fully comply with all criteria of the mandatory Pregnancy Prevention Programme.
  • Patients with hepatic insufficiency or severe renal insufficiency.
  • Patients with Hypervitaminosis A or certain uncontrolled metabolic disorders (e.g., hypercholesterolemia, hypertriglyceridemia, or hypothyroidism).
  • Patients with known hypersensitivity to the active substance, other retinoids, or excipients, including allergies to peanut or soya.

Age Restriction: The medicine is not recommended for use in patients under 18 years of age.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of oral Alitretinoin (Toctino) is structured by formal restrictions based on pharmacodynamic risk and pharmacokinetic modifications via drug metabolism.

Contraindicated Combinations

The regulatory documentation formally contraindicates the co-administration of Alitretinoin with certain substances due to the risk of additive toxicity:

Substance Category Formal Interaction Description
Tetracycline Antibiotics Co-administration is prohibited due to a heightened risk of pseudotumor cerebri (benign intracranial hypertension).
Other Systemic Retinoids Co-administration is prohibited due to an additive risk of Hypervitaminosis A.

Pharmacokinetic and Exposure Modification

Alitretinoin is metabolized by the Cytochrome P450 (CYP) 3A4 enzyme. Co-administration with strong inhibitors of CYP3A4 may increase the systemic exposure (plasma levels) of Alitretinoin. Conversely, co-administration with strong CYP3A4 inducers may decrease systemic exposure. Other substances, such as Vitamin A supplements, are officially advised to be avoided due to the potential for additive toxic effects.

Food and Timing Requirements

To ensure consistent systemic exposure and reduce variability in absorption, the oral soft capsule must be administered with a main meal. This timing requirement is necessary because the presence of food substantially enhances the bioavailability of Alitretinoin, which is a required condition for administration.

Mechanism of Action

How Toctino Works

The mechanism of action for Alitretinoin is defined by its role as a pan-agonist for all six subtypes of the crucial nuclear receptors: the Retinoic Acid Receptors ( RARalpha, beta, gamma) and the Retinoid X Receptors ( RXRalpha, beta, gamma). This dual agonism activates the RAR-RXR heterodimer complex, which functions as a transcription factor upon binding to specific DNA sequences.

This transcriptional modulation primarily targets genes governing immune and cellular functions. It achieves an immunomodulatory effect by repressing the transcription of genes that encode pro-inflammatory chemical messengers. The physiological consequence of this repression is a significant reduction in leukocyte chemotaxis—the recruitment and infiltration of inflammatory immune cells into the tissue—contributing to the modulation of persistent immune activity.

Additionally, the molecular cascade regulates the proliferation and differentiation of keratinocytes (skin cells), supporting the normalization of epidermal turnover. Since the mechanism requires the synthesis of new proteins and the alteration of cellular programming, the physiological effect exhibits a kinetically delayed establishment.

Dosage and Administration Information

Instruction Map: How to use Toctino — Official Administration Guidelines

Toctino is a systemic oral retinoid intended for use after the condition has been unresponsive to treatment with potent topical corticosteroids. All instructions for administration, dosing, and duration are based strictly on regulatory guidance.

Administration Scope Official Instruction
Route of Administration Oral, via soft capsule.
Dosing Schedule The recommended starting dose is 30 mg once daily.
Dose Adjustment A reduction to 10 mg once daily may be considered if a patient experiences unacceptable reactions to the higher 30 mg dose.
Timing in Relation to Meals Must be taken with a main meal once daily, and preferably at the same time each day.
Preparation Requirements Capsules must be swallowed whole and should not be chewed.
Age-Group Rules Not recommended for patients under 18 years of age (pediatric). No dose alteration is required for patients over 65 years of age (elderly).
Course Duration A treatment course is given for 12 to 24 weeks, depending on the response achieved. Discontinuation is recommended if the hands become clear or almost clear earlier than 24 weeks, and re-treatment is permitted upon relapse.

Resulting Procedural Structure

The protocol defines a structured sequence for use: The patient swallows the designated soft capsule strength once daily with a main meal to ensure proper systemic delivery. This mandates a food-dependent administration protocol. The regimen is defined by a finite course duration of 12 to 24 weeks and incorporates a specific, regulated pathway for dose adjustment if the patient experiences issues with the initial 30 mg dose.

Recent Clinical Evidence

Research evidence / Overview of studies for Toctino

The clinical evaluation of alitretinoin (Toctino) was studied for adults experiencing severe chronic hand eczema (CHE) that has not responded adequately to the use of strong topical steroid creams. The research examined the use of this medicine in the context of these conditions involving periods of heightened symptoms and outcomes linked to inflammatory or irritative states.


Evidence for Severe Chronic Hand Eczema (CHE)

The core evidence consists of several randomized, double-blind, placebo-controlled Phase 3 trials (RCTs). This type of research involves comparing the medicine against an inactive control (a placebo pill) where neither the patient nor the doctor knows who is receiving which treatment, in order to compare the study intervention against an inactive control. These studies were relevant in trials assessing short-term or episodic symptom patterns over defined treatment intervals, typically up to 24 weeks.

Key Outcomes Measured in Clinical Trials

The research explored the measurements used in research exploring how symptoms change over time. Researchers primarily measured changes in disease severity using objective tools like the Physician's Global Assessment (PGA), which classifies a patient's hand eczema as "Clear" or "Almost Clear." Studies were applied in studies examining patient-reported experiences related to outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level. These patient-reported outcomes describing perceived discomfort were captured using tools like the Dermatology Life Quality Index (DLQI).

Findings describe patterns observed in the studies related to the primary endpoint of achieving "Clear" or "Almost Clear" hands. Research examined the frequency with which participants in the study drug group and the placebo group reached the predefined endpoint. Research highlights changes measured during the study period for these patient-reported outcomes, and data describe patterns related to the outcomes observed during the initial course.


Long-Term Evidence and Durability of Response

Beyond the initial treatment period, follow-up research was observed in patients to examine the duration of change and the course of the condition. These studies focused on tracking the time to relapse, which is the point at which severe symptoms return after the initial treatment course is completed.

Research explored short-term symptom changes following the initial 24 weeks of treatment and during subsequent observation periods. Studies reported how symptoms evolved in the observed populations, and findings describe patterns where recurrence of severe symptoms was observed in some studies over the follow-up period (typically 24 weeks).

Key Studies & References

  1. Alitretinoin for severe chronic hand eczema. NICE Technology Appraisal Guidance TA217.

Frequently Asked Questions (FAQ)

Common questions about Toctino (FAQ)

Q: Can I use Toctino while taking Vitamin A or supplements?

According to official product information, Vitamin A supplements must be avoided while taking this medicine. This restriction is in place because co-administration carries an additive risk of toxicity, specifically a condition called Hypervitaminosis A (excessive vitamin A in the body). Patients should always consult a healthcare professional regarding all supplements or medications to avoid potential interactions.

Q: What kind of doctor typically prescribes Toctino?

Official regulatory documents indicate that this medicine should only be prescribed by a physician who is knowledgeable in the use of systemic retinoids and understands the required monitoring and risks associated with this drug class. The regulatory information specifies the required expertise but does not specify a particular medical specialty for the prescriber.

Q: What should I do with my remaining medication when my treatment is done?

Official patient instructions specify that all unused or expired capsules should be returned to a pharmacist at the end of your treatment course. This ensures the medicine is disposed of safely and correctly. Toctino must not be thrown away via wastewater or household waste.

Q: What does the 'Pregnancy Prevention Programme' involve?

The mandatory Pregnancy Prevention Programme is a strict set of requirements for women of childbearing potential due to the high risk of severe birth defects (teratogenicity). The program requires using two effective, complementary methods of contraception for a defined period before, during, and after treatment. It also involves medically supervised pregnancy tests every month during the course of treatment.

How should Toctino be stored and disposed of?

Toctino soft capsules must be stored according to official regulatory guidelines to maintain potency and prevent unintended exposure.

Storage Requirements

Detail Official Regulatory Requirement
Temperature Store at room temperature, generally between 15 C and 30 C.
Protection Keep the blister in the original outer carton to protect from light and away from heat.
Prohibited Do not refrigerate or freeze the capsules.
Child Safety Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired Toctino must be handled as pharmaceutical waste. Return all unused or expired capsules to a pharmacist at the end of treatment for safe disposal. The medicine must not be thrown away via wastewater or household waste.

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

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