Визанна

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Визанна

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Treatment option: Endometriosis

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Overview of Визанна

What is Visanne (Визанна)?

Property Description
Active ingredient Dienogest
Form Oral Tablet
Pharmacological class Progestin (Hormonal Agent)
General purpose Management of hormone-sensitive tissue growth
Origin Synthetic derivative

1. Defining Visanne: A Focused Hormonal Agent

Visanne is a prescription-only hormonal medication that contains the active substance dienogest. It is classified as a progestin, a synthetic hormone designed to mimic the effects of natural progesterone in the body.

This medication is a single-ingredient product, containing only dienogest, which distinguishes it from combined hormonal therapies. Its active ingredient is a synthetic derivative developed for selective tissue targeting. Visanne is formulated as an oral tablet, the intended dosage form for its oral route of administration.

2. General Purpose and Therapeutic Principle

The general purpose of Visanne is to help manage conditions associated with the unwanted growth of uterine-lining-like tissue, such as endometriosis. Its therapeutic principle is based on its ability to create a specific hormonal environment that helps to suppress the growth and activity of this targeted tissue.

This medication is clinically recognized for its unique mechanism, which involves both moderately reducing the body's natural production of estrogen and utilizing the high progestin activity of dienogest to inhibit cell proliferation. The sustained hormonal control provided by Visanne supports the long-term management of the underlying tissue pathology and helps to relieve associated symptoms.

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What side effects are possible with Визанна?

Possible Side Effects and Safety Information

The safety profile of Visanne (Dienogest) is defined by officially documented adverse reactions and specific regulatory safety notes, based on government agency information.

Frequency-Classified Adverse Reactions

The following are examples of documented side effects, categorized by their frequency of occurrence as per regulatory labeling:

Frequency Classification Examples of Adverse Reactions (by SOC)
Very Common (ge1/10) Headache, Breast discomfort, Nausea, Weight increase
Common (ge1/100 to <1/10) Depressed mood, Sleep disorders, Migraine, Acne, Alopecia, Hot flush
Uncommon (ge1/1,000 to <1/100) Anaemia, Anxiety, Vision impairment, Hypotension, Dry skin, Urticaria

Serious Safety Concerns and Restrictions

Regulatory documents include specific warnings and contraindications.

Serious Adverse Reactions: The potential for Thromboembolic Events (VTE/ATE) is noted. The incidence of Ectopic Pregnancy is also noted as increased. Furthermore, a decrease in Bone Mineral Density (BMD) is a documented risk, especially with extended use.

Safety Restrictions: The medication is contraindicated in the presence of severe Hepatic Disease or pre-existing liver tumors, an active Venous Thromboembolic Disorder, and known or suspected sex hormone-dependent Malignancies.

Time- and Population-Related Notes

  • Bleeding Patterns: Irregular uterine or vaginal bleeding, including spotting, is often most frequent during the first few months of treatment and typically decreases over time.
  • Adolescent Use: The use of Dienogest in adolescents for periods longer than 15 months has been noted in the regulatory label as potentially resulting in a greater decrease in BMD.
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Overdose and Emergency Response

Overdose and when to seek help: Official Regulatory Information

The official regulatory documents define the overdose profile for dienogest (Визанна) based on documented acute toxicity findings and mandatory help-seeking requirements.

Documented Overdose Presentations

Classification Regulatory Statement
Acute Toxicity Risk Acute toxicity studies performed with dienogest did not indicate a risk of acute adverse effects following the inadvertent intake of a multiple of the daily therapeutic dose.
Tolerance Profile Supratherapeutic daily intakes, specifically 10 to 15 times the recommended daily dose, were reported as very well tolerated over a sustained 24-week period in regulatory documents.

Emergency Actions and Required Care

Regulatory authorities mandate specific actions in the event of a suspected overdose. Immediate medical attention must be sought without delay. This involves contacting a poison control centre or going directly to the emergency room of the nearest hospital.

  • Medical attention is required even if there are no signs of discomfort or poisoning or if the individual remains asymptomatic.
  • The official prescribing information confirms that no specific antidote is known for dienogest.

The overdose structure is defined by the requirement to seek professional assistance as a primary precaution, even with the documented low potential for acute effects.

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Therapeutic Uses of Визанна

The primary therapeutic role of Visanne (dienogest) is the targeted management of conditions and symptoms related to physical discomfort arising from endometriosis. The medication generally supports patients during difficult episodes by easing distress and functional strain associated with this chronic condition.

Visanne is commonly used across domains where symptomatic assistance is appropriate for the management of endometriosis-related tissue. This typically involves addressing chronic pelvic pain, dysmenorrhea (painful periods) where symptoms may be intense, and discomfort that interferes with daily functioning, such as dyspareunia (painful sexual intercourse). The medication is used across therapeutic domains involving endometriosis and is considered relevant for the management of pelvic pain associated with the condition. The use generally assists with maintaining functional stability in the context of long-term symptomatic management.

“It is relevant for easing challenging symptoms associated with constant or recurring pain.”

The medication is relevant for easing challenging symptoms when they are of moderate-to-severe intensity. By easing the overall symptom load related to recurrent pain, Visanne may assist with maintaining functional stability during symptomatic periods. The treatment is also commonly used after surgery to assist with managing future recurrent manifestations.


Quick Fact: Symptomatic Assistance for Endometriosis-Associated Pelvic Pain (EAPP)


Regulatory References

  1. Health Canada Summary Basis of Decision
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Eligibility and Restrictions for Use

Eligibility and Contraindications

Визанна (Dienogest) is officially documented for use in adult women of reproductive age. However, its use is strictly governed by a set of official contraindications and population-specific restrictions from regulatory authorities.


Category Official Eligibility Status
Absolute Contraindications Prohibited in patients with active venous thromboembolic disorder (VTE); past or present arterial/cardiovascular disease (e.g., stroke, myocardial infarction); severe hepatic disease (if liver function is abnormal); liver tumors; or known/suspected hormone-dependent malignancies.
Age-Related Status Contraindicated in pregnancy. Not indicated in girls before menarche. Not recommended for adolescents under 18 years due to unestablished efficacy and concerns regarding potential, temporary loss of Bone Mineral Density (BMD). Not indicated for geriatric (post-menopausal) women.
Organ Function Contraindicated in severe hepatic impairment. Use in patients with renal impairment is generally accepted, as official regulatory documents state no dosage adjustment is expected to be necessary.

Conditional Use: The medicine is not recommended during lactation/breastfeeding. Use requires careful monitoring in patients with a history of depression or diabetes mellitus.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Визанна (dienogest) is primarily metabolized by the cytochrome P450 3A4 ( CYP3A4) enzyme system in the liver and intestinal mucosa. Therefore, the use of other medicinal products that affect this enzyme can significantly alter the concentration of dienogest in the body.

Potential Interacting Drug Categories

Interaction Mechanism Drug Classes/Substances Potential Effect on Визанна (Dienogest)
CYP3A4 Inducers Anticonvulsants ( phenytoin, carbamazepine, primidone), Antibiotics ( rifampicin), Herbal products ( St. John's wort) Decreased plasma levels of dienogest, potentially leading to a reduction in therapeutic effect (e.g., loss of pain control).
CYP3A4 Inhibitors Antifungals ( ketoconazole, itraconazole, fluconazole), Macrolide Antibiotics ( erythromycin, clarithromycin), HIV/HCV protease inhibitors ( ritonavir, indinavir), Antacids ( cimetidine), Grapefruit juice Increased plasma levels of dienogest, which may raise the risk of side effects. Co-administration of strong inhibitors like ketoconazole has been shown to increase dienogest exposure by almost three-fold.

Due to the risk of reduced therapeutic efficacy, the prescribing information often advises caution when co-administering with strong CYP3A4 inducers. It is important to inform a healthcare provider of all other medications and herbal supplements being taken. Additionally, the use of progestogens like dienogest may affect the results of certain laboratory tests, including those related to liver, thyroid, and adrenal function.

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Mechanism of Action

Local Tissue Atrophy and Receptor Agonism

This mechanism describes the drug's direct, local action on target tissue. The drug acts as a selective progesterone receptor agonist (SPRA), binding to and activating progesterone receptors (PR). This peripheral signaling initiates a distinct molecular cascade known as decidualization followed by atrophy (shrinkage), which results in a decrease in the overall volume of the active tissue.


Hormonal Pathway Modulation

This domain involves the drug's influence on the central control of hormone levels. It exerts a moderate inhibitory effect on the Hypothalamic–Pituitary–Ovarian (HPO) axis, leading to a reduction in gonadotropin release. This modulation decreases the ovarian production and circulation of estradiol. The resulting hormone suppression removes hormonal support required for the proliferation of hormone-responsive tissue.


Cellular Environment Regulation

This mechanism involves the drug's ability to modulate local factors supporting tissue growth. By directly impacting the cellular environment, the drug restricts the formation of new blood vessels (anti-angiogenesis) and reduces the presence of localized factors that promote swelling and tissue proliferation. This combined action further supports the tissue's move toward inactivation and breakdown.

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Dosage and Administration Information

How to Use Визанна — Official Administration Guidelines


The administration of Visanne (dienogest 2 mg) follows a continuous, non-cyclic pattern, which defines the official daily use of the medicine.

Administration Scope

Category Official Instruction
Route of administration Oral use (PO), as a film-coated tablet.
Dosing schedule One 2 mg oral tablet daily, constituting the single labeled adult dose.
Timing in relation to meals The tablet can be taken with or without food.
Age-group administration rules The medicine is not indicated for use in children prior to menarche. No dosage adjustment is specified for patients with renal impairment.
Missed-dose rules If a tablet is missed, the patient should take only one tablet as soon as it is remembered, then continue with the regular schedule. A tablet lost due to vomiting or severe diarrhea (within 3–4 hours) should be replaced with a single tablet.
Special procedural conditions Any concomitant hormonal contraception must be stopped before beginning treatment.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral.
Frequency pattern Daily (once a day).
Use-context constraints Continuous, non-cyclic administration, independent of the menstrual cycle.

Resulting Procedural Structure

Official step sequence:

  • Take one dienogest 2 mg tablet once daily.
  • Take the tablet preferably at the same time each day.
  • Continue taking tablets without any break, even during vaginal bleeding.

Connection to the overall use protocol (2–4 sentences): The official instructions establish a fixed regimen of continuous daily intake to maintain a constant concentration of the active substance. This protocol, which can be initiated on any day, eliminates the typical treatment breaks and defines the standardized procedural framework for long-term administration.

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Recent Clinical Evidence

Research evidence / Overview of studies for Визанна

Evidence for use in Endometriosis-Associated Pelvic Pain (EAPP)

The primary body of evidence describes studies in populations with conditions characterized by fluctuating or episodic manifestations of endometriosis. Research has focused on measuring outcomes related to endometriosis-associated pelvic pain. This research has primarily examined how the active ingredient was evaluated in settings exploring the overall level of discomfort, as well as specific types of patient-reported outcomes describing perceived discomfort, such as chronic pelvic pain, painful periods (dysmenorrhea), and pain during intercourse (dyspareunia).

The main evidence comes from Randomized Controlled Trials (RCTs). These short-term trials, lasting around 12 to 24 weeks, studied how symptoms evolved in the observed populations. In these initial trials, findings describe patterns observed in the studies where women monitored using the Visual Analogue Scale (VAS) for pain showed a change in score measurement over the study period, compared to the placebo group. Researchers also explored changes in the use of analgesic pain medication and outcomes reflecting daily functioning or activity level.

Long-term Studies and Follow-up Duration

The evidence base also includes open-label extension studies and long-term observational cohorts that provided data from extended time intervals. These studies report how symptoms evolved in the observed populations over defined time intervals. While these studies help show what has been observed so far regarding the sustained monitoring of pain scores, they are not fully controlled, meaning the observations are made without a direct comparison group over the same extended time. This research describes follow-up durations extending up to 60 months (five years) or more.

Evidence in Specific Patient Groups

Research has also examined specific populations, notably adolescents (aged 12 to less than 18) with clinically suspected or confirmed endometriosis. These studies were generally smaller and uncontrolled, and they were used to explore the measured symptom patterns in this age group. Because these were not comparative trials, the evidence remains limited and findings are not as certain as those derived from large, placebo-controlled studies in adults. Results apply only to the populations studied and data for certain groups remain insufficient.

Research Gaps and What Remains Uncertain

Several areas in the research landscape are still emerging or require further investigation. The long-term effects are not fully established under fully controlled conditions, as the majority of multi-year data comes from observational settings where follow-up durations were limited by the study design. Finally, studies monitored certain physiological strain, and some long-term data reported that small decreases in Bone Mineral Density (BMD) was observed in some studies, which represents an area where data are still emerging.

Key Studies & References

  1. Long-term treatment of endometriosis with dienogest for up to five years (includes BMD and long-term pain data)
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Frequently Asked Questions (FAQ)

Common questions about Визанна (FAQ)

Q: What condition is Визанна specifically approved to treat?

Official regulatory documents state that Visanne is indicated for the management of pelvic pain associated with endometriosis. This is the specific condition for which the medication has received approval from health authorities.

Q: How is Визанна different from combination birth control pills used for endometriosis?

Visanne is classified as a standalone progestin medication, containing only the active ingredient, dienogest. In contrast, combination pills used for endometriosis contain both estrogen and a progestin. This difference in composition means they affect the body's hormonal balance differently.

Q: Is Визанна considered a type of progestin-only medication?

Yes, the active component of Visanne, dienogest, is a synthetic hormone belonging to the progestin group. Regulatory documents categorize this formulation as a progestin-only medication, as it does not include estrogen.

Q: What are the most common side effects reported in studies of Визанна?

Official data indicates that the most common reported side effects include headache, breast discomfort, mood changes, and weight gain. It is also common to experience changes in bleeding patterns, such as irregular uterine or vaginal bleeding, including spotting.

Q: Is it common to experience weight gain while taking Визанна?

Weight gain is listed in the official product information as a common side effect of Visanne, potentially affecting up to 1 in 10 users. However, individual responses vary, and not all patients experience this side effect.

Q: Does Визанна cause mood changes or feelings of depression?

Regulatory documents list depressed mood, mood changes, and nervousness as common side effects of Visanne. These emotional changes are noted in the official product information due to the hormonal effects of the medication.

Q: Is there a documented connection between Визанна and the risk of blood clots?

Regulatory information suggests that progestin-only medications might carry a slightly higher risk of blood clots (thromboembolism). Studies are not certain about the magnitude of this risk.

Q: Can Визанна cause hair loss or acne to develop?

Both acne and hair loss (alopecia) are listed in official product information as common side effects of Visanne. These effects are generally observed in up to 1 in 10 people taking the medication.

Q: What information is available about Визанна and bone mineral density in adolescents?

Regulatory documents indicate that Visanne can cause a decrease in bone mineral density (BMD) in adolescents (girls aged 12 to <18). Because of this potential effect, the official prescribing information outlines the need for regular review of the risks and benefits of use in this age group.

Q: Are there known risks for women who have a prior history of depression?

If a patient has a prior history of depression, regulatory information suggests that conditions like a prior history of depression are factors for consideration during treatment with Visanne. This precaution is noted because hormonal medications have the potential to cause mood changes.

Q: What are the signs of a serious side effect that requires immediate medical attention?

Official product information describes warning signs that warrant prompt medical review, including symptoms of a blood clot, such as severe chest pain, sudden difficulty breathing, or severe swelling in a limb. Symptoms of liver problems, such as yellowing of the skin or eyes (jaundice) or dark urine, are also described as signs that warrant medical review.

Q: What do studies indicate about the risk of breast cancer while taking Визанна?

Official regulatory information lists a diagnosis of breast cancer or other hormone-dependent malignancies as a contraindication for using Visanne. This means that the use of the medication is officially restricted in patients with these conditions.

Q: Is it common to have hot flashes while on Визанна therapy?

Hot flushes (or hot flashes) are included in the official lists of common side effects associated with Visanne therapy. This is a recognized hormonal effect of the treatment.

Q: Is Визанна considered a method of birth control?

No, Visanne is not approved or considered a method of birth control. Official consumer information states clearly that it will not prevent pregnancy.

Q: What non-hormonal birth control methods are acceptable to use while taking Визанна?

Official documentation specifies that a nonhormonal barrier method of birth control, such as condoms or a diaphragm, should be used while taking Visanne. The product information states that the use of any hormonal contraceptives should be avoided during treatment.

Q: What should be done if a patient becomes pregnant while taking Визанна?

Visanne is contraindicated in pregnancy. Official instructions indicate that the use of the medication must be discontinued if pregnancy occurs or is suspected.

Q: How long is the maximum duration a patient can take Визанна continuously, according to research data?

Official clinical studies used for regulatory approval tested the efficacy and safety of Visanne for a duration of up to 15 months. Use beyond this studied duration requires professional assessment of the patient's individual situation.

Q: Does Визанна cause menstrual periods to stop completely (amenorrhea)?

Changes in vaginal bleeding patterns are common, and official product information notes that the complete stoppage of menstrual periods (amenorrhea) is a possible side effect of Visanne.

Q: Is experiencing spotting or irregular bleeding common during the first few months on Визанна?

Uterine or vaginal bleeding, including breakthrough bleeding or spotting, is a common side effect. Regulatory sources indicate that these irregular bleeding patterns are most likely to occur during the first few months of starting treatment.

Q: What should be done if heavy or continuous bleeding occurs while taking Визанна?

While some abnormal bleeding is expected, official information advises that unexpected, heavy, or continuous vaginal bleeding are factors that warrant consultation with a healthcare professional.

Q: Are there any herbal supplements or vitamins known to interact with Визанна?

St. John's wort is the specific herbal supplement listed in regulatory documents as potentially interacting with Visanne. Because it can reduce the concentration of the drug in the body, its potential interaction is a factor for professional discussion.

Q: Does grapefruit juice interact with Визанна and increase the risk of side effects?

Grapefruit juice is listed in the official interaction information as a food product that may interact with Visanne. Regulatory documents suggest that consumption of grapefruit juice could lead to increased concentrations of the drug in the body, which may affect side effects.

Q: What is the official information regarding Визанна and cigarette smoking?

Regulatory warnings cite cigarette smoking as a known risk factor for developing blood clots (thromboembolism). This potential risk makes the patient's smoking status a required factor for professional review before use.

Q: Can women with a history of liver disease use Визанна?

Official prescribing information lists active or clinically significant liver disease as a contraindication. This means the use of the medication is restricted for patients who have conditions such as liver tumors or severe liver impairment.

Q: What precautions should be taken if surgery is scheduled while on Визанна?

Due to the increased risk of blood clots from prolonged immobilization, this medication may need to be stopped before certain types of major surgery. This requirement makes advance professional consultation necessary before any scheduled procedure.

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How should Визанна be stored and disposed of?

Official Storage and Disposal Instructions

Regulatory agencies define specific requirements for storing and disposing of Visanne (dienogest) tablets to maintain product integrity and safety.

Storage Requirements

Storage Condition Requirement
Temperature Store at room temperature (ambient).
Protection Keep in the original packaging to protect from light and moisture.
Integrity Do not use after the expiry date printed on the carton and blister.
Safety Keep out of the sight and reach of children.

Disposal Rules

Disposal Action Requirement
Wastewater/Trash Do not dispose of this medicine via wastewater (e.g., toilet, sink) or household trash.
Proper Method Return all unused or expired medicine to a pharmacist for proper, environmentally-sound disposal.

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

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