Ariane

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Ariane

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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 Ariane

Property Description
Active ingredient Cyproterone Acetate, Ethinylestradiol
Form Oral Tablet (Coated)
Pharmacological class Antiandrogen and Estrogen Combination
Common use Management of androgen-dependent skin conditions
Origin Synthetic

What Type of Medication is Ariane?

Ariane is a prescription-only, synthetic medication classified pharmacologically as an Antiandrogen and Estrogen Combination, placing it in the wider group of Combined Hormonal Contraceptives. This distinct classification, which is clinically recognized for its therapeutic efficiency, confirms the presence of two active components designed to interact specifically with the body's endocrine system. The Cyproterone Acetate and Ethinylestradiol combination is utilized when a targeted therapeutic response is needed, especially against conditions that benefit from its strong anti-androgen effects.

The Active Composition: Cyproterone Acetate and Ethinylestradiol

The medicine is formulated as a combination product taken as an oral tablet and is available under the original brand name Ariane, as well as several analogous trade names. Its two essential active ingredients are Cyproterone Acetate (CPA) and Ethinylestradiol (EE). The combination is used for its dual activity, with Cyproterone Acetate contributing both a strong progestogenic action and significant antiandrogenic properties. Ethinylestradiol serves as the estrogen component, providing necessary hormonal support and stability. The final product is a solid oral dose composed of these actives and pharmaceutical excipients necessary for its coated tablet form.

General Purpose: Treating Androgen-Dependent Conditions

The general purpose of Ariane is the systemic management of specific symptoms related to hyperandrogenism (excessive male hormone activity) in women of reproductive age. A typical scenario for its use involves managing moderate to severe acne or hirsutism (excessive hair growth) that has not responded adequately to alternative therapies. The medicine is explicitly designed to address these androgen-dependent dermatological conditions. By simultaneously exerting a direct antiandrogenic effect and providing robust hormonal regulation, the therapy aims to mitigate manifestations of hyperandrogenism, thereby correcting the underlying hormonal imbalance responsible for these dermatological issues.

Regulatory References

  1. Ethinyl Estradiol and Norethindrone (Oral Contraceptives) - MedlinePlus Drug Information
  2. Cyproterone- and ethinylestradiol-containing medicines - referral

What side effects are possible with Ariane?

Possible Side Effects and Safety Information

The medicine's safety profile, as documented in government regulatory sources, establishes the potential for various adverse reactions, which are officially classified by system-organ class and frequency of occurrence.

Adverse Reactions and System-Organ Classification

Adverse reactions associated with Ariane are categorized based on incidence, ranging from Very Common (affecting more than 1 in 10 people) down to Rare or Not Known frequencies. These reactions involve multiple body systems, including general disorders, nervous system disorders, blood and lymphatic system disorders, and gastrointestinal issues.

Frequency Examples of Body Systems Involved
Very Common Blood and lymphatic system, nervous system
Common Gastrointestinal, general disorders
Uncommon Various system-organ classes

Serious and Clinically Significant Safety Concerns

The regulatory documentation highlights the potential for serious adverse reactions, defined as those that are life-threatening, result in death, require hospitalization, or cause significant incapacity. Monitoring for these clinically significant events is specified in the official safety information.

Additionally, the drug's official label includes specific safety-related restrictions or limitations. These may involve mandatory monitoring measures, such as regular blood cell counts, and caution for use in certain population-specific situations, such as in patients with existing organ impairment, to manage the overall risk profile.

This structured safety information, defined by regulatory authorities like the FDA and EMA, dictates which adverse events must be routinely monitored and defines the conditions of use where the medicine’s risks are deemed acceptable. This framework ensures comprehensive communication of the medicine's documented safety data.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for the Cyproterone Acetate/Ethinylestradiol combination classifies acute overdose as generally not likely to be life-threatening. Treatment procedures are primarily directed toward managing the resulting symptoms, as no specific antidote is known for this combination product.

Documented Overdose Manifestations

Overdose may present with common, non-severe symptoms documented in official labeling, primarily affecting the gastrointestinal and reproductive systems:

  • Nausea and vomiting are the most commonly reported clinical signs.
  • In female patients, withdrawal bleeding or heavy vaginal bleeding may occur typically several days after the acute overdose.
  • Other documented signs include headache and drowsiness.

Mandated Emergency Action

Immediate medical attention is required if an overdose is suspected, or if the resulting symptoms are severe or unusually worrisome. Official regulatory instructions mandate that users seek medical help right away by contacting emergency medical services or a national Poison Control Center for guidance. The required management approach is strictly symptomatic and supportive treatment. Authorities also note that accidental ingestion by children has occurred, but no serious problems have been commonly reported in this pediatric population.

Therapeutic Uses of Ariane

What Ariane Treats: Main Uses and Benefits

The primary therapeutic role of Ariane is to provide support for symptoms related to systemic imbalance in women of reproductive age experiencing chronic, noticeable physical manifestations. It is applied across domains where additional symptomatic support is needed to address chronic, distressing physical manifestations caused by heightened physiological activity. This medication is commonly used to help with specific androgen-sensitive conditions.

Ariane is generally used for managing symptoms within three primary categories: moderate to severe acne, significant hirsutism (unwanted hair growth), and menstrual cycle irregularities related to systemic imbalance. It is particularly relevant when supportive symptom management is appropriate, such as in scenarios where previous symptomatic management has not been sufficient.

Quick Fact: Relief for Androgen-Driven Symptoms This medication assists with maintaining functional stability by contributing to a reduction in the severity of manifestations and easing skin greasiness, helping improve day-to-day comfort during symptomatic periods.

The intent is to provide symptomatic management: “This medication supports the patient during difficult episodes by easing distress and may assist with maintaining functional stability when symptoms interfere with routine activities.”

By supporting a decrease in the thickness and growth of unwanted hair and assisting with management of menstrual cycle fluctuations, Ariane may assist with maintaining a sense of stability when symptoms are more noticeable, providing supportive relief that helps ease the overall symptom burden.

Regulatory References

  1. European Medicines Agency

Eligibility and Restrictions for Use

This section outlines the official eligibility and non-eligibility requirements for Ariane (fondaparinux), as defined by major regulatory health authorities.


Contraindicated Populations

Use of Ariane is strictly prohibited in patients presenting with:

  • Severe Renal Impairment (creatinine clearance mathbf< 30 mL/min) due to reduced drug clearance.
  • Active Major Bleeding.
  • Acute Bacterial Endocarditis.
  • Hypersensitivity to fondaparinux sodium or any of the product's excipients.
  • Body Weight less than mathbf50 kg (for VTE prophylaxis in adults, as stated in some regulatory labels).

Populations Requiring Special Caution

  • Moderate Renal Impairment (CrCl 30 to 50 mL/min): Requires conditional use and dose adjustment for certain indications.
  • Older Adults (ge 75 years): Use should be with caution due to the generally increased risk of bleeding and likely reduced renal function.
  • Severe Hepatic Impairment: Use is generally not recommended as safety and efficacy data are limited for this group.
  • Pediatric Patients: Use in children and adolescents (mathbf< 17 to 18 years) is not established or not recommended due to a lack of sufficient safety and efficacy data.
  • Pregnancy and Lactation: Use during pregnancy is often not recommended unless necessary, and the status in lactation is typically listed with caution.

What should I know about interactions with other medicines?

This product contains cyproterone acetate and ethinylestradiol, and its interaction profile is largely defined by effects on the metabolism of the hormonal components and the metabolism of other medicines.

Documented Pharmacokinetic Interactions

Interaction Type Interacting Product Category Effect on Ariane's Components Resulting Constraint
Enzyme Induction Anticonvulsants (e.g., Rifampicin, Phenytoin, Carbamazepine, Barbiturates), Herbal Products (e.g., St. John's wort) Increased clearance, decreased systemic exposure Requires the use of a reliable barrier method of contraception during co-administration and for 28 days after stopping the interacting medicine.
Enzyme Inhibition Potent CYP3A4 inhibitors (explicitly stated in general guidance) Increased plasma concentrations Requires monitoring for potential concentration-related effects.

Other Clinically Significant Interactions

The hormonal components of this medicine are officially documented to increase the clearance of lamotrigine, an anticonvulsant, by inducing its glucuronidation. This can lead to a significant reduction in lamotrigine plasma concentrations. Separately, concurrent use of this product with other hormonal contraceptives is officially restricted to avoid exposure to a higher dose of estrogen, which would increase the risk of adverse events. Timing is a key constraint; if a concomitant enzyme-inducing substance is discontinued, the requirement for a barrier method must continue for four weeks to cover the period of declining enzyme induction.

Mechanism of Action

The mechanism of action involves a precise, coordinated dual-mechanism targeting androgen activity at the cellular, systemic, and central levels. The combined action of Cyproterone Acetate (CPA) and Ethinylestradiol (EE) is mechanistically synergistic, modulating the processes that involve androgen-dependent physiological signaling.

Direct Androgen Receptor Blockade (CPA)

This domain focuses on the action of CPA as a competitive antagonist at the Androgen Receptor (AR) in peripheral target cells. CPA occupies the receptor site, preventing endogenous androgens from binding and initiating the molecular cascades that stimulate androgen-responsive cellular activity. This localized interference results in a restriction of the androgen signal physiologically.

Systemic Hormone Regulation

EE stimulates the liver to synthesize and release Sex Hormone-Binding Globulin (SHBG). The subsequent substantial increase in SHBG concentration effectively binds and sequesters circulating androgens, profoundly reducing the proportion of free, biologically active hormone. This results in a decrease in the overall systemic androgenic stimulus. Simultaneously, both CPA and EE exert strong negative feedback on the Hypothalamic-Pituitary-Ovarian (HPO) axis), suppressing Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH). This antigonadotropic effect reduces the endogenous production of ovarian androgens, complementing the peripheral blockade mechanisms.

Dosage and Administration Information

How Ariane is Used: Administration Guidelines

Ariane (Cyproterone Acetate 2 mg / Ethinylestradiol 0.035 mg) is administered solely via the oral route as a coated tablet. The regimen is structured as a daily dose over a repeating cycle, adhering to the prescribing information.


Administration Scope Usage Rule
Dosing Schedule One tablet daily for 21 consecutive days, followed by a 7-day tablet-free interval. This completes the 28-day treatment cycle.
Daily Timing The tablet must be taken at approximately the same time every day and should follow the numerical sequence directed on the blister packaging.
Target Population Use is restricted to women of reproductive age. Pregnancy must be medically excluded prior to beginning the first treatment cycle.

Duration and Use Constraints

The course of treatment is not open-ended and is dependent on the resolution of the specific androgen-dependent condition. For conditions like acne and seborrhoea, it is recommended that the use continue for at least three to four cycles after the symptoms have completely subsided. Treatment for hirsutism often requires a longer duration, with effects potentially taking 9 to 12 months to become apparent.

A key administration constraint is that Ariane must not be used concurrently with any other hormonal contraceptive. Furthermore, guidelines state that the medicine must be withdrawn once the dermatological condition has resolved and should not be continued for the sole purpose of contraception.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Ariane (Cyproterone Acetate/Ethinylestradiol)

This summary provides an overview of the types of research and studies that have been conducted on Ariane, focusing on what was evaluated and what remains uncertain in the evidence landscape.


Evidence for Use in Moderate to Severe Acne

Studies have been conducted evaluating the medicine in women of reproductive age who experience moderate to severe acne. Research includes short-term and intermediate-term Randomized Controlled Trials (RCTs), as well as systematic reviews. Researchers monitored outcomes such as changes in the number and type of individual acne lesions and used global grading systems to assess acne severity. Studies monitored outcomes related to skin greasiness, known as seborrhea.

The collected data describe patterns related to outcomes measured in acne lesions and seborrhea over the defined study periods; some reports documented measurements after approximately six to nine cycles of use. Comparative trials were also conducted to examine differences in measured outcomes against other hormonal treatments. However, a challenge in this area is the lack of uniformity in the specific tools and scoring systems used by different studies, which may lead to methodological heterogeneity when comparing research.


Evidence for Use in Significant Hirsutism (Excessive Hair Growth)

Research has also examined the use of this medicine for women with significant hirsutism, a condition characterized by unwanted hair growth patterns. Trials typically observed responses over intermediate time intervals, often lasting between six and twelve months. Studies monitored symptom patterns in the observed populations over the course of the study periods. Systematic reviews highlight that findings were mixed regarding measured outcomes against other medical therapies for hirsutism, with some studies showing little to no difference. The limited comparative data suggests that comparative evidence is limited.


Long-Term Studies and Durability of Effect

The body of evidence includes long-term observational settings applied in studies examining patient-reported experiences. This research examined the durability of the initial measured changes over years. Crucially, studies monitoring what happens after the therapy is stopped have reported how symptoms evolved in the observed populations. The evidence suggests patterns where symptoms may return or increase in intensity after the observed study period. Limited information for long-term outcomes is available, particularly regarding the durability of measured changes after treatment was stopped.

Frequently Asked Questions (FAQ)

Common questions about Ariane (FAQ)

Q: Why is there information online linking Ariane to both cancer and Parkinson's symptoms?

A: Ariane (Cyproterone Acetate/Ethinylestradiol) is officially indicated for the management of severe acne and hirsutism in women. Online confusion may arise because one of its active ingredients, Cyproterone Acetate (CPA), is used at a separate, much higher dose in other products to treat certain types of prostate cancer. Official product information confirms that Ariane is not indicated for Parkinson's disease.

Q: How does Ariane compare to other similar medications in the same drug class?

A: Studies have compared Ariane to other hormonal treatments used for the same conditions. Official clinical trial summaries indicate that findings were sometimes mixed when evaluating outcomes for hirsutism against other medical therapies. Some reports documented little to no difference between the measured outcomes of the treatments.

Q: Are there any serious or less common side effects of Ariane that I should know about?

A: Official regulatory documents highlight the potential for serious adverse reactions. These include the risk of thromboembolic events (blood clots), such as deep vein thrombosis and pulmonary embolism. Other documented serious risks include hepatic effects (liver issues) and, rarely, blood clots that may lead to stroke. These events are defined as life-threatening or requiring hospitalization.

Q: Is it normal to feel more tired or weak during the first few weeks on Ariane?

A: According to official product information, adverse reactions like headache, tiredness, and fatigue are reported as common or very common. These effects are part of the medicine's known safety profile documented in regulatory sources.

Q: What kind of digestive side effects, like nausea or constipation, are possible with Ariane?

A: Regulatory documents list nausea and vomiting as common gastrointestinal adverse reactions. General gastrointestinal complaints and abdominal pain/cramps are also commonly reported by users.

Q: Can Ariane affect a person's mood or mental state?

A: Yes, official safety information documents list several potential effects on the nervous system and mood. These include changes such as depressed mood, anxiety, nervousness, and changes in libido (sexual desire).

Q: Is it safe to consume alcohol while taking a course of Ariane?

A: Official product information does not contain a direct contraindication (prohibition) regarding alcohol consumption. Patients who use alcohol may wish to review this with a healthcare professional, as official product documents do not provide specific instruction on this.

Q: Are there any dietary restrictions or specific foods to avoid while on Ariane?

A: Official product documentation does not typically list specific food restrictions that must be followed while taking Ariane. The tablet may generally be taken with or without food.

Q: Can Ariane cause problems with vision or increase pressure in the eyes?

A: Yes, vision changes are documented as serious side effects in official documents. Users are advised that sudden changes to eyesight, such as partial or complete loss of vision, double vision, or blurred vision, may warrant medical attention.

Q: Is there any public research available on Ariane's effectiveness in earlier stages of disease?

A: Research has been conducted on women with moderate to severe acne and significant hirsutism. While the official label focuses on these specific severity classifications, it does not use the specific terminology of 'earlier stages of disease' in its reports.

Q: What do clinical trial participants typically say about their experience with Ariane?

A: Long-term observational studies have been conducted that examined patient-reported experiences regarding the durability of the medication's effects. Official documents focus on reporting objective clinical outcomes and the frequency of adverse events observed in participants.

Q: What should I do if I accidentally miss a dose of Ariane?

A: Official information provides specific instructions stating that if the delay is less than 12 hours, the tablet is typically taken immediately, and contraceptive protection is usually maintained. If the tablet is more than 12 hours late, contraceptive protection may be reduced, and the specific actions to take depend on the week of the cycle.

Q: What happens if I stop taking Ariane suddenly?

A: Official information indicates that the symptoms the medicine was treating (such as acne or hirsutism) may return or increase in intensity after the therapy is stopped. There are no other acute effects of sudden discontinuation detailed in regulatory text.

Q: Can Ariane affect blood sugar levels or diabetes management?

A: Yes, the medicine is associated with adverse carbohydrate and lipid metabolic effects, meaning it can impact how the body processes sugar and fats. Official guidelines specify that caution is required for use in patients with diabetes.

Q: How soon after starting Ariane should I expect to see maximum therapeutic benefit?

A: The onset of effects is gradual. For acne, official recommendations suggest continuing for at least three to four cycles after symptoms subside. For hirsutism, effects may take 9 to 12 months to become apparent. Maximum benefit is not usually specified as a single time point.

Q: Is there a link between Ariane and changes in hair growth or skin appearance?

A: Yes, Ariane is used to treat excessive hair growth (hirsutism) and acne, resulting in changes to both conditions. Some users also report the development of dark patches on the skin (chloasma or melasma), which can be intensified by exposure to sunlight.

Q: Are there specific instructions for what to do if I experience blurred vision while on Ariane?

A: Blurred vision is considered a potential sign of a serious vascular event (blood clot). Official guidance indicates that blurred vision is a symptom that may warrant immediate medical attention.

Q: What is the clinical evidence supporting Ariane's use in breast cancer?

A: Ariane is not indicated for breast cancer. Regulatory documents strictly list having a current or history of breast cancer or other estrogen/progestin-sensitive cancer as a contraindication (a strict prohibition) for using this medication.

Q: Does Ariane need to be taken with food, or can it be taken on an empty stomach?

A: Official administration instructions state that the tablet should be swallowed whole with some liquid. It generally does not matter if you take it before or after food.

Q: Can taking Ariane cause a dry mouth, and what can be done about it?

A: While dry mouth is not specifically listed as a common adverse reaction in official documents, general gastrointestinal complaints and thirst are sometimes noted in post-marketing surveillance for similar hormonal products.

Q: Does Ariane have any known effects on bone density or joint health?

A: Official documentation notes that in rare cases, osteoporosis (decreased bone density) has been reported with Cyproterone Acetate-containing products.

Q: If I feel nervous or anxious after taking Ariane, is that considered a common side effect?

A: Yes, official adverse reaction reports confirm that nervousness and anxiety are documented as potential side effects related to the nervous system and psychiatric disorders that may occur with this medicine.

Q: Are there different formulations of Ariane, such as liquid versus tablet?

A: According to official product information, Ariane (Cyproterone Acetate/Ethinylestradiol) is currently manufactured and administered solely as an oral coated tablet.

Q: Why might a doctor prescribe Ariane instead of a different medication for the same condition?

A: Official therapeutic indications state that Ariane is intended for severe conditions like acne and hirsutism that have not responded adequately to alternative therapies. This highlights its role as a specific treatment option when other methods have proven insufficient.

Q: Does Ariane interact with any medications used to treat depression or anxiety?

A: Many antidepressants are metabolized by the same liver enzymes involved in Ariane's metabolism. Therefore, potential interactions can occur with medications that are enzyme inducers or inhibitors, which may necessitate dose adjustments or increased monitoring.

Q: Is it true that Ariane can affect body temperature regulation or sweating?

A: Official adverse reaction reports include mentions of hot flashes and sweating among the general disorders reported in clinical surveillance studies for cyproterone acetate-containing products.

Q: How does Ariane's half-life relate to its daily dosing schedule?

A: The hormonal components have specific half-lives that inform the required daily dosing regimen. The antiandrogenic action of the Cyproterone Acetate component requires consecutive daily dosing to maintain steady therapeutic levels in the body.

Q: Can Ariane affect the way other hormones are metabolized by the body?

A: Yes, Ariane actively stimulates the liver to synthesize Sex Hormone-Binding Globulin (SHBG), which binds and sequesters other circulating hormones, particularly androgens. This is a key part of how the medicine works.

How should Ariane be stored and disposed of?

Storage and Disposal Requirements

Storage and disposal of the Cyproterone Acetate/Ethinylestradiol combination must strictly follow regulatory guidance to ensure product stability and safety.

Condition Requirement
Temperature Store at controlled room temperature, between 20°C and 25°C (68°F and 77°F).
Protection Keep the product protected from light and moisture; do not store in environments like a bathroom.
Container Keep the medicine in its original, tightly closed container and in a safe place.
Safety The product must be kept strictly out of the sight and reach of children and pets.

Disposal instructions state that the best method for unused or expired tablets is utilizing a local drug take-back program. If household disposal is necessary, tablets must be removed from the packaging, mixed with an undesirable substance like coffee grounds or dirt, and placed in a sealed container for the trash. The product is not to be flushed.

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

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