Quick Facts

• Utilized for the prevention of pregnancy.
• Indicated for the management of moderate acne in certain female patients.
• May help regulate menstrual cycles.

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Aviane is indicated for two primary therapeutic domains as a prescription medication. Its principal use is for conception control in females of reproductive potential who select this method of contraception. This form of hormonal contraception is used as an effective method for preventing pregnancy when used as directed.

Additionally, Aviane is indicated for the treatment of moderate acne vulgaris in women aged 14 years and older who have achieved menarche and desire contraception. This application supports the management of acne symptoms. The medication may also support the regulation of menstrual cycles and may help to lessen menstrual blood loss and discomfort in some individuals.

Regulatory References

1. FDA Prescribing Information for Aviane

Aviane’s official eligibility profile defines specific populations who are permitted to use the medicine and those for whom use is strictly prohibited or restricted based on regulatory documentation.

Populations for Whom Use is Contraindicated

Use is absolutely prohibited in women with a high risk of cardiovascular or thromboembolic events, specifically:

• Women over 35 years of age who smoke.
• Current or history of thrombotic disorders, stroke, or coronary artery disease.
• Migraines with focal neurological symptoms (aura).
• Known or suspected breast cancer or other hormone-sensitive tumors.
• Active liver disease, hepatic tumors, or undiagnosed abnormal genital bleeding.
• Uncontrolled hypertension or diabetes with vascular involvement.
• Known or suspected pregnancy.
• Concomitant use with specific Hepatitis C drug combinations (ombitasvir/paritaprevir/ritonavir, with or without dasabuvir).

Eligibility and Restriction Rules

The medicine is permitted for use by females of reproductive potential who have no contraindications. For acne management, it is indicated for women aged 14 years and older who have achieved menarche.

Age-Related Rules: Use is not indicated before menarche or in postmenopausal women.

Physiological Restrictions: Use is not recommended in lactating women. Initiation must be delayed for at least four weeks after delivery in non-breastfeeding women. Furthermore, the medicine must be stopped four weeks before and through two weeks after major surgery involving prolonged immobilization.

Interactions with other medicines and products

The official interaction profile for Aviane (Ethinyl Estradiol and Levonorgestrel) is defined by its components' involvement in metabolic pathways, which dictates mandatory usage restrictions and prohibitions.

Interaction Type	Interacting Medicines and Substances
Formally Contraindicated	Hepatitis C combination drugs containing Ombitasvir, Paritaprevir, and Ritonavir (with or without Dasabuvir); Fezolinetant; Oral Tranexamic Acid.
Enzyme Inducers	Phenytoin, Carbamazepine, Rifampicin, Topiramate, and the herbal product St. John's wort.
Drug Exposure Alteration	Lamotrigine; sensitive CYP1A2 substrates (e.g., Caffeine).
High-Risk Constraint	Cigarette Smoking in women aged 35 years or older.

Co-administration with enzyme-inducing medicinal products causes increased clearance of the hormonal components, resulting in decreased plasma concentrations that may compromise contraceptive effectiveness. The hormonal components themselves may cause an increase in plasma levels of certain other co-administered drugs by inhibiting specific metabolic enzymes, such as CYP1A2. The use of Aviane is formally prohibited with certain Hepatitis C combination regimens due to the potential for significant elevation of liver enzymes. Use in women aged 35 or older who smoke is also a formal contraindication due to a documented, substantially increased risk of serious cardiovascular events.

Timing and Procedural Constraint: Patients must discontinue Aviane before initiating treatment with the contraindicated Hepatitis C combination drugs and may restart the contraceptive only approximately two weeks after completing the regimen.

The mechanism of action for Aviane relies on the combined and synergistic effects of two synthetic hormones, Ethinyl Estradiol and Levonorgestrel, to modulate the neuroendocrine control of reproduction across three distinct mechanistic domains.

Modulating the Central Endocrine Axis

This core mechanism involves the Levonorgestrel and Ethinyl Estradiol components acting as agonists on their respective nuclear receptors in the Hypothalamus and Pituitary Gland. This interaction generates a continuous negative feedback signal that suppresses the secretion of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH). This cascade prevents the mid-cycle LH surge, resulting directly in the physiological effect of anovulation (the cessation of egg release).

Establishing Peripheral Reproductive Barriers

The Levonorgestrel component also exerts a local, peripheral effect by activating Progesterone Receptors in the lower reproductive tract tissues. This action results in an increase in the viscosity of cervical mucus, which alters sperm motility and penetration into the upper reproductive tract. It also causes the endometrium (uterine lining) to undergo structural alteration.

Supporting Mechanism Stability

The Ethinyl Estradiol component is essential for reinforcing the primary mechanism by increasing the production of Sex Hormone-Binding Globulin (SHBG) in the liver. This increase in the carrier protein assists in maintaining sustained plasma concentrations of Levonorgestrel necessary for continuous central inhibition.

How Aviane is Used: Official Administration Guidelines

Aviane (Levonorgestrel and Ethinyl Estradiol) is a monophasic combined hormonal contraceptive administered orally according to a systematic, continuous 28-day cyclic dosing regimen. The fundamental principle of its use requires taking one tablet daily to maintain consistent hormonal control.

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Dosing and Schedule Structure

The standard protocol follows a 28-day cycle, which is repeated for as long as continuous use is necessary. This cycle consists of two distinct phases:

• Active Phase: For 21 consecutive days, one active tablet is taken daily. Each active tablet contains the fixed dose of 0.10 mg Levonorgestrel and 0.02 mg Ethinyl Estradiol.
• Inactive Phase: This is followed by 7 days of taking inactive or placebo tablets, or a 7-day pill-free interval, completing the 28-day cycle.

Administration must occur at the same time each day, and tablets must be taken in the order directed on the blister pack to ensure proper hormonal cycling.

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Procedural and Population Rules

Treatment initiation typically follows protocols such as the Day 1 Start or the Sunday Start. If treatment is not initiated on the first day of the menstrual period, non-hormonal back-up contraception may be required for the first 7 consecutive days of active tablet use. Specific procedures exist for managing missed doses.

Regarding age-specific use, the product is not indicated for use in postmenopausal women, as its use is restricted to females of reproductive potential, including adolescents who have achieved menarche.

Aviane is a combination oral contraceptive containing 0.10 mg of levonorgestrel (a progestin) and 0.02 mg of ethinyl estradiol (an estrogen). Clinical research primarily focuses on assessing its efficacy in preventing pregnancy and monitoring its safety profile.

Efficacy and Contraceptive Outcomes

Clinical trials have established the efficacy of this combined hormonal formulation. Efficacy is often measured using the Pearl Index (PI), which reflects the number of pregnancies per 100 woman-years of use. Typical clinical trials evaluating oral contraceptives with 20 mu g of ethinyl estradiol have shown:

• Perfect Use: Efficacy rates based on perfect adherence to the prescribed regimen indicate that fewer than 1 in 100 women may become pregnant over one year.
• Typical Use: Rates reflecting typical use (including missed pills or incorrect adherence) result in a higher incidence of unintended pregnancies.

Safety Profile and Adverse Events

Studies consistently report a profile of adverse events common to combined oral contraceptives. The most frequently reported adverse events in clinical trials include:

Classification	Common Side Effects (Reported in ge 1% of users)
General	Headache, Nausea, Vomiting, Breast tenderness
Menstrual	Spotting or bleeding between periods, Menstrual pain (dysmenorrhea)

Serious, though rare, risks associated with the use of combination oral contraceptives, such as venous thromboembolism (blood clots in the legs or lungs), stroke, and heart attack, have been identified and are subject to continuous monitoring in post-market surveillance. The risk of blood clots appears to be highest during the first year of use.

Impact on Cycle Control

Research has explored the effect of this low-dose formulation on menstrual bleeding patterns. While some women experience unscheduled bleeding or spotting during the initial cycles of use, studies indicate that these irregular bleeding patterns generally decrease over time as treatment continues.

Key Studies & References

1. Aviane (Levonorgestrel and Ethinyl Estradiol) Tablets - FDA Approved Labeling Text
2. Contraception: NICE Guideline [NG143] - Key Recommendations on Combined Oral Contraceptives

Common questions about Aviane (FAQ)

Q: Is Aviane considered a low-dose birth control pill?

Official prescribing information defines the dosage of the active ingredient Ethinyl Estradiol as 0.02 mg. This concentration is described as one of the lowest available estrogen doses used in current combination oral contraceptive formulations.

Q: How quickly does Aviane start working?

The active hormones are quickly absorbed into the body, reaching peak levels within about two hours after the medicine is taken. However, regulatory guidelines state that using a non-hormonal back-up method may be required during the first seven consecutive days of active pill use to help ensure contraceptive protection is established.

Q: What happens if I miss a dose of Aviane?

Official prescribing information provides specific protocols to manage missed doses of active pills, with the procedure varying based on how many pills were missed and the week they were missed in the cycle. Regulatory procedures for missing a single active pill generally recommend taking the pill as soon as possible. Missing multiple active pills often requires consulting the patient information for specific instructions on managing the missed tablets and the potential need for using a back-up contraceptive method.

Q: Can Aviane interact with commonly used over-the-counter medications?

The hormones in this medicine can affect how the body processes other substances by influencing certain metabolic enzymes. Official information notes that the Ethinyl Estradiol component can lead to increased plasma concentrations of sensitive CYP1A2 substrates, which can include certain over-the-counter medications.

Q: How long do side effects from Aviane typically last after starting?

Common adverse effects, such as nausea or breakthrough bleeding, are most often observed during the initial adjustment period when starting the medicine. Regulatory studies indicate that these irregular patterns generally decrease and improve within the first few months or cycles of continuous use.

Q: Is Aviane a generic version of another drug?

Aviane is a brand name used for a fixed-dose combination of the synthetic hormones Levonorgestrel and Ethinyl Estradiol. This specific formulation is also widely available on the market under various equivalent generic versions.

Q: What information is available regarding long-term use of Aviane?

The use of combination oral contraceptives, like Aviane, has been studied for long-term effects. Safety information documents an extremely rare risk of malignant hepatocellular carcinoma (a type of liver tumor) and an increased risk of gallbladder disease that may be associated with extended use.

Q: Are there different dosages of Aviane available?

Official prescribing information lists only a single fixed-dose formulation for Aviane. The active tablets consistently contain 0.10 mg of Levonorgestrel and 0.02 mg of Ethinyl Estradiol.

Q: What is the difference between Aviane and Alesse?

Aviane and Alesse are two different product names that contain the exact same active ingredients at the same dosages: 0.10 mg of Levonorgestrel and 0.02 mg of Ethinyl Estradiol. Aviane is considered a brand of the generic version of the reference product, Alesse.

Q: Is it normal to have a shorter or lighter period while using Aviane?

According to official patient information, the withdrawal bleed experienced during the seven days of inactive tablets may be different from a typical menstrual period. This bleeding is often described as being lighter and shorter than a person’s usual cycle.

Q: Does using Aviane affect future fertility?

Official guidance on stopping the medicine indicates that a person can expect the return of a menstrual period shortly after discontinuing use. Regulatory information suggests that waiting for a natural menstrual cycle to return prior to attempting conception may help in accurately determining the date of a subsequent pregnancy.

Q: Does Aviane protect against sexually transmitted infections (STIs)?

Official safety warnings explicitly state that Aviane is a hormonal contraceptive and does not offer any protection against HIV/AIDS or other sexually transmitted infections (STIs). The use of a barrier method is needed for protection against STIs.

Q: Can I switch to Aviane from another type of birth control?

Official prescribing instructions provide specific protocols for initiating the medicine, including a Day 1 start or a Sunday start. General guidance on switching from other hormonal methods, such as a different combination pill or a progestin-only method, is outlined in the complete patient information leaflet.

Q: Is fatigue or tiredness listed as a common effect of Aviane?

Fatigue or tiredness is not typically reported as one of the most common adverse effects in clinical trials (those seen in ge 1% of users). However, official materials mention fatigue as a symptom that requires monitoring, particularly when observed alongside potential signs of liver problems.

Q: Can specific foods or drinks affect Aviane's absorption?

Regulatory information highlights a potential interaction involving certain beverages. Specifically, official documents indicate that grapefruit juice may increase the blood concentration of the levonorgestrel component of the medicine.

Q: What happens when I stop taking Aviane after long-term use?

When the medicine is stopped, a withdrawal bleed is typically expected shortly thereafter. Official guidance suggests that for individuals planning to become pregnant, waiting for the return of a natural menstrual cycle may help ensure a more accurate determination of the date of conception.

Q: Is Aviane associated with any changes in vision?

Changes in vision are mentioned in official safety materials for two reasons. They are listed as a rare potential sign of a serious event, such as a blood clot in the eye. Additionally, the medication can sometimes affect the vision of people who wear contact lenses.

Q: Are antibiotics known to reduce the effectiveness of Aviane?

Official drug interaction information notes that Rifampin, which is used to treat some bacterial infections, is classified as an enzyme-inducing drug. When taken with such enzyme inducers, the hormonal components of Aviane can have decreased plasma concentrations in the body, which may compromise the contraceptive effect.

How to Store and Dispose of Aviane

Aviane (levonorgestrel and ethinyl estradiol tablets) must be stored under specific environmental and temperature constraints to preserve the stability of the combined hormonal contraceptive, as required by regulatory labeling.

Storage Requirements

Condition	Requirement
Temperature	Store at 25°C (77°F); permitted excursions range from 15°C to 30°C (59°F to 86°F).
Protection	Must be protected from light and humid conditions.
Container	Store the cyclic tablet dispenser in the opaque vinyl folder provided.
Child Safety	Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired Aviane tablets must be disposed of safely and properly according to local guidelines for pharmaceutical waste. This includes discarding the entire pack if three or more tablets are missed consecutively during the menstrual cycle.