Цикло-Прогинова

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Цикло-Прогинова

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Overview of Цикло-Прогинова

What is Cyclo-Progynova?

Property Description
Active Ingredients Estradiol Valerate and Norgestrel
Form Oral tablets
Pharmacological Class Cyclical Combined Hormone Replacement Therapy (HRT)
Primary Use Management of menopausal symptoms
Availability Prescription only

Cyclo-Progynova is a brand-name, prescription Hormone Replacement Therapy (HRT) medication developed as a cyclical combination product. It is specifically intended for use by women who have not had a hysterectomy and still have their uterus intact.

This medication is composed of two different types of hormones: the estrogen, Estradiol Valerate, and the synthetic progestogen, Norgestrel. The two hormones are delivered in a sequential pattern over a 21-day regimen, which is designed to mimic the hormonal fluctuations of the natural menstrual cycle. This structure leads to a predictable, period-like bleeding (withdrawal bleeding) during the 7-day tablet-free interval.

The inclusion of the progestogen component is a key aspect of this combined therapy. While estrogen helps manage menopausal symptoms, taking it alone can stimulate the growth of the uterine lining. Norgestrel is included to balance this effect by ensuring the regular shedding of the endometrium, which helps to mitigate the risk of developing endometrial hyperplasia or cancer.

In essence, Cyclo-Progynova is a treatment option for managing systemic menopausal symptoms while addressing uterine safety through its structured, dual-hormone, cyclical approach.

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What side effects are possible with Цикло-Прогинова?

Possible Side Effects and Safety Information

The safety profile of Cyclo-Progynova (Цикло-Прогинова) is officially documented by regulatory authorities, outlining both common and rare but serious adverse reactions, as well as necessary restrictions for use.

Serious Adverse Reactions

Regulatory warnings highlight a potentially increased risk of rare but serious conditions, particularly thromboembolic events. These include venous thromboembolism (blood clots, especially in the leg or lung), stroke, and myocardial infarction (heart attack). The risk of these vascular events is generally considered highest during the first year of treatment.

The medicine is also associated with an increased risk of certain hormone-dependent malignancies, including breast cancer and endometrial cancer (the risk of which is typically mitigated by the inclusion of the progestogen component).

Common Adverse Reactions

Adverse reactions are classified by frequency based on clinical data. Very Common side effects (ge 1/10 users) include Headache and Breast pain/tenderness.

Common side effects (ge 1/100 to < 1/10 users) often involve various body systems, such as the gastrointestinal system (e.g., Nausea, Abdominal pain), skin (e.g., Skin rash), and general body effects (e.g., Weight changes).

Safety Restrictions and Contraindications

Use of this medicine is strictly contraindicated in the presence of certain conditions, including active or prior history of thromboembolic disorders, known or suspected hormone-dependent cancers (like breast or endometrial cancer), and active liver disease. Furthermore, the drug must not be used during pregnancy or breastfeeding.

Immediate discontinuation and medical consultation are required if symptoms such as a sudden severe headache, jaundice, or signs of a blood clot (e.g., painful swelling in the leg) occur.

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Overdose and Emergency Response

The regulatory information for an acute single overdose of Cyclo-Progynova (Estradiol Valerate and Norgestrel) indicates that the effects are generally expected to be mild and non-serious. The official documentation describes the specific, transient clinical manifestations associated with the hormonal components.

Documented Overdose Manifestations

The most commonly documented symptoms in official labeling associated with taking more than the prescribed dose are related to gastrointestinal and gynaecological effects. These include:

  • Nausea
  • Vomiting
  • Breakthrough bleeding (may occur in some women)

Emergency Actions and Required Management

Official government prescribing information provides specific guidance on the required actions when an overdose situation occurs. The regulatory stance is that no specific pharmacological antidote is known for the components of this medication.

The required management approach is to initiate symptomatic and supportive treatment to manage the manifestations until they resolve. Since the symptoms are typically mild and self-limiting, the acute overdose is generally not classified in official labels as severe or life-threatening. However, due to the lack of a specific countermeasure, professional medical attention must be sought for appropriate supportive management of the documented clinical presentation. The guidance confirms that the core intervention is managing the reported symptoms.

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Therapeutic Uses of Цикло-Прогинова

What Цикло-Прогинова Treats: Main Uses and Benefits

This treatment is applied for symptomatic relief and supportive long-term health benefits in conditions arising from estrogen deficiency. This class of therapy is used to address both the physical discomforts and the need for supportive care associated with a decline in ovarian hormones.


This combined cyclical therapy is relevant for easing several distinct symptom clusters, including vasomotor instability (hot flashes and night sweats), neuropsychiatric symptoms (sleep disturbances and mood swings), and the chronic localized discomfort of Genitourinary Syndrome of Menopause (GSM).

“By addressing these core systemic symptoms, the medication supports the patient during difficult episodes by easing distress and assists with maintaining functional stability.”

Beyond these immediate relief areas, the treatment is relevant for two long-term supportive benefits: it is commonly used to help with the risk of postmenopausal osteoporosis and is applied when appropriate to help protect the uterine lining for women with an intact uterus. This therapy is used to provide supportive relief across various manifestations of estrogen loss.


Quick Fact: Support for Vasomotor Symptoms Cyclo-Progynova is commonly used for managing the frequent hot flashes and night sweats that interfere with daily functioning and sleep quality.

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Eligibility and Restrictions for Use

The official regulatory documentation defines the eligible patient population for Cyclo-Progynova as adult women with an intact uterus who are experiencing symptoms of estrogen deficiency. Use in children and adolescents under 18 years of age is not established and the product is not indicated for this group. While no dosage adjustment is typically necessary for older adults, caution and close supervision are required for women over 65 years.

Contraindicated Populations

Use of this medicine is strictly contraindicated for several populations, based on high-risk clinical conditions. Patients must not use the medicine if they have:

  • A known or suspected history of breast cancer or other hormone-dependent malignant tumours.
  • A current or past history of venous thromboembolism (e.g., DVT or pulmonary embolism) or arterial thromboembolic events (e.g., myocardial infarction or stroke).
  • Severe, active liver disease or certain types of liver tumours.
  • Undiagnosed vaginal bleeding or untreated endometrial hyperplasia.
  • Known thrombophilic disorders or severe hypertriglyceridaemia.

Conditional Use and Physiological Status

Conditions such as hypertension, diabetes mellitus, SLE, and migraine require close medical supervision as they may recur or worsen during treatment. The product is contraindicated during both pregnancy and lactation.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for this combined hormone therapy centers on pharmacokinetic interactions that modify the plasma concentrations of the active components, Estradiol Valerate and Norgestrel.

Contraindicated Combinations

Co-administration with specific Hepatitis C drug regimens, including combinations containing Ombitasvir/Paritaprevir/Ritonavir with or without Dasabuvir, is formally prohibited. This restriction is based on the documented risk of significant alanine aminotransferase (ALT) enzyme elevations.

Exposure-Modifying Substances

Many interactions result in a reduction in hormone exposure, potentially decreasing the medicine's effect. This occurs with strong enzyme inducers, which increase the metabolic clearance of the hormones.

Interaction Type Interacting Agent Examples Effect on Hormone Levels
Enzyme Inducers (CYP3A4) Carbamazepine, Rifampicin, Primidone Reduced plasma concentration
Herbal Product St John's Wort (Hypericum perforatum) Reduced exposure/effectiveness
Antibiotics Tetracycline, Penicillin-class drugs Potential reduction via altered recirculation

Conversely, agents that inhibit metabolism, such as Grapefruit Juice, may increase the circulating plasma concentration of the estrogen component. Additionally, the estrogen component increases certain hormone-binding proteins, which may require monitoring and potential dose adjustment for co-administered thyroid hormone or corticosteroids.

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Mechanism of Action

The active ingredient, estradiol valerate, is a prodrug that undergoes rapid hydrolysis to mathbf17beta-estradiol following absorption. 17beta-estradiol functions as an agonist, binding to and activating mathbfEstrogen Receptor Alpha (ERalpha) and mathbfEstrogen Receptor Beta (ERbeta) in target cell nuclei.

The activated mathbfligand-receptor complex dimerizes and translocates to the nucleus, where it binds to mathbfEstrogen Response Elements (EREs) on the DNA sequence. This binding modulates the transcription of specific genes, influencing the regulation of multiple physiological pathways. Within the skeletal system, this mechanism affects the mathbfbone remodeling unit by mathbfmodulating osteoclast activity, shifting the balance toward bone matrix deposition over resorption.

The second active component, norgestrel, is a progestin that selectively binds to mathbfprogesterone receptors (PR) in the endometrium. Activation of PR induces mathbfsecretory changes in the endometrial lining, ultimately resulting in endometrial shedding upon norgestrel withdrawal.

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Dosage and Administration Information

How to Use Цикло-Прогинова (Cyclo-Progynova) — Administration Guidelines

This medication is a cyclical hormonal regimen for oral use, and its administration follows a 28-day cycle with a precise sequence of tablets.

Administration Scope

The tablets are to be swallowed whole with liquid and should be taken at the same time every day to ensure consistent drug levels. The dosage schedule consists of one sugar-coated tablet daily for 21 days, followed by a **7-day tablet-free interval.

Procedural Step Standard Requirement
Route of Administration Oral. Swallow tablet whole with liquid.
Daily Timing Take at the same time every day.
Dosing Schedule 21 days of active tablets followed by 7 tablet-free days.
Cycle Start (Menstruating) Begin the first pack on the 5th day of the cycle (Day 1 being the first day of menstruation).
Cycle Start (Amenorrheic/Postmenopausal) Begin treatment immediately after ruling out pregnancy.

Sequence and Missed Doses

The pack contains two colors of tablets to be taken in sequence: 1 white tablet daily for the first 11 days, followed by 1 light brown tablet daily for the next 10 days.

During the 7-day tablet-free interval, a withdrawal bleed typically occurs, and the new pack must be started immediately afterwards on the same day of the week as the previous pack.

  • Missed Dose Procedure: If a tablet is forgotten, take it as soon as possible. If more than 24 hours have elapsed since the scheduled time, the forgotten tablet must not be taken, and the patient should continue with the next tablet at the usual time. Failure to take a tablet may result in irregular bleeding.
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Recent Clinical Evidence

Цикло-Прогинова: Recent Clinical Evidence

The research literature on sequential hormone replacement therapy (HRT), which contains estradiol and a progestin, primarily focuses on managing menopausal symptoms and evaluating long-term safety considerations.

Efficacy in Menopausal Symptoms

Clinical studies have explored the effectiveness of this hormonal combination in addressing vasomotor symptoms (hot flashes) and urogenital atrophy associated with menopause.

Comparative Effectiveness

Research has consistently shown an association between sequential HRT and a significant reduction in the frequency and severity of hot flashes compared to placebo in controlled trials. Studies also examined the potential difference in the magnitude of symptom relief when compared to continuous combined HRT regimens.

Long-Term Outcomes

Clinical data has explored the effect of long-term sequential HRT use on bone mineral density. Studies suggest that continued use is associated with a beneficial maintenance of bone density in postmenopausal women. The study authors note that benefit-risk profile assessments are essential for any long-term regimen.

Safety and Tolerability

Research into the safety profile of sequential HRT has focused on cardiovascular risk and endometrial health.

Endometrial Safety

The inclusion of a progestin component, taken sequentially, is designed to reduce the risk of endometrial hyperplasia and carcinoma that is associated with unopposed estrogen use. Studies demonstrate that this regimen facilitates regular withdrawal bleeding while maintaining the required protective effect on the uterine lining.

Cardiovascular Exploration

Large-scale observational research programs have examined the potential association between HRT initiation timing and cardiovascular events, with findings suggesting that individual risk varies significantly based on age and time since menopause.

As with any treatment, individuals should always consult their healthcare provider regarding their specific experience or if they have questions.

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Frequently Asked Questions (FAQ)

Common questions about Цикло-Прогинова (FAQ)


Q: Is Цикло-Прогинова the same as other hormone replacement therapies (HRT)?

A: No, Cyclo-Progynova belongs to a specific type of hormone replacement therapy known as sequential combined HRT. This means the estrogen and progestogen components are administered in a planned, sequential pattern throughout the cycle. This differs from continuous regimens, where both hormones are taken simultaneously every day.


Q: Does Цикло-Прогинова help regulate the menstrual cycle?

A: Regulatory documents indicate that this medication is used to manage certain issues related to the menstrual cycle. It is specifically indicated for the treatment of primary and secondary amenorrhea (the absence of menstrual periods) and to help establish a regular cycle when the natural hormonal rhythm is disrupted.


Q: Why are there two different types of tablets (white and light-brown) in the pack?

A: The different tablet colors reflect the different hormone combinations required for the sequential treatment. The white tablets contain only the estrogen component, estradiol valerate. The light-brown tablets contain both the estrogen (estradiol valerate) and the progestogen (norgestrel), which is included to protect the lining of the uterus (endometrium).


Q: What is the difference between sequential HRT (like this drug) and continuous HRT?

A: Sequential combined HRT, which includes Cyclo-Progynova, is structured to mimic the natural menstrual cycle by cycling the hormone components. This regimen typically leads to a predictable, period-like withdrawal bleed each month. Continuous combined HRT provides a steady dose of both hormones daily and is designed for women who wish to avoid regular bleeding.


Q: What specific ingredients are in the white tablets versus the light-brown tablets?

A: The white tablets contain only the active ingredient estradiol valerate. The light-brown tablets contain both estradiol valerate and the progestogen norgestrel. This two-phase structure ensures the uterine lining is protected while providing estrogen replacement.


Q: Why is it called 'cyclic' hormone therapy?

A: The term 'cyclic' refers to the structured, repeating schedule of the medication. The active hormones are administered in a predetermined, alternating pattern over a 28-day cycle, designed to result in a planned withdrawal bleed, similar to a natural menstrual rhythm.


Q: What age range is Цикло-Прогинова typically prescribed for?

A: Official information defines the eligible patient population as adult women. The medicine is used to treat symptoms of estrogen deficiency in women around the time of menopause, and for certain menstrual disorders in younger women. Use in children and adolescents under 18 years is not established.


Q: Can this medication affect the results of blood tests?

A: According to regulatory documents, the use of hormone replacement therapy can affect the results of certain laboratory tests. This may include tests that measure endocrine and hepatic function, as well as tests for various plasma protein levels.


Q: Why might a doctor prescribe Цикло-Прогинова for primary or secondary amenorrhea?

A: The drug is officially indicated for the treatment of primary and secondary amenorrhea, which means it may be used when periods are missing due to the body not producing enough hormones. The therapy helps to initiate and regulate the cycle in these cases.


Q: Is there a regulatory requirement to have regular check-ups while taking this medicine?

A: Yes, a thorough general and gynaecological check-up is required before starting treatment, according to regulatory guidelines. Regulatory precautions recommend regular medical follow-up examinations and that patients be advised on methods for self-examining their breasts.


Q: Does Цикло-Прогинова affect mood or anxiety levels?

A: Official reports on undesirable effects list mood changes and depressive mood as possible reactions associated with this medicine. Individuals who experience significant changes in mood should discuss these concerns with their healthcare provider.


Q: Is Цикло-Прогинова a contraceptive (birth control pill)?

A: No, regulatory information clarifies that this medicine does not inhibit ovulation and is not intended for contraception. If contraception is needed, regulatory information recommends the use of an additional, non-hormonal method.


Q: Is it common to experience changes in vision while using this medication?

A: The official documentation lists certain conditions, including visual disturbances and intolerance to contact lenses, as possible adverse effects associated with this type of hormone therapy.


Q: What if I vomit shortly after taking a tablet of Цикло-Прогинова?

A: The patient information leaflet provides guidelines for a situation where the tablet may not have been absorbed. If vomiting or severe diarrhea occurs within 3 to 4 hours of taking a tablet, the standard instructions for a missed dose should be followed.


Q: Is there a known link between Цикло-Прогинова and hair loss?

A: Regulatory documents include adverse events related to hair. Alopecia (which is a medical term for hair loss) is listed as a possible undesirable effect of the drug.


Q: Does Цикло-Прогинова contain lactose or other common allergens?

A: Yes, the official list of excipients confirms that the tablets contain lactose monohydrate. Official labeling highlights that patients with known intolerances should note this information.


Q: Is it true that official sources advise against smoking while taking this type of medication?

A: Regulatory warnings indicate that smoking is a risk factor that significantly increases the potential for serious vascular side effects. Since this medication is associated with a risk of blood clots, smoking should be carefully considered as it adds to that overall cardiovascular risk profile.


Q: Can using Цикло-Прогинова affect the risk of gallstones?

A: Yes, official safety warnings for this class of hormone replacement therapy note that it is associated with a slightly increased risk of developing gallbladder disease. This is a known risk factor related to the use of combined estrogen and progestogen products.


Q: Does being overweight change eligibility for taking Цикло-Прогинова?

A: Regulatory precautions list obesity as a factor that may increase the risk of certain serious side effects, specifically venous thromboembolism (blood clots). Official documentation notes that this requires careful consideration by a healthcare provider before treatment is initiated.


Q: Is it considered safe to drive or operate machinery while taking Цикло-Прогинова?

A: The regulatory documents include a specific section on this topic. They state that no effects on the ability to drive or use machinery have been observed.


Q: Why do some sources mention a risk of depression with HRT like Цикло-Прогинова?

A: Official regulatory documents list depression as a possible adverse drug reaction for this medication. Any individual experiencing depression during treatment should seek consultation with their healthcare provider.

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How should Цикло-Прогинова be stored and disposed of?

How to Store and Dispose of Cyclo-Progynova

Official labeling requires specific conditions for the storage and disposal of Cyclo-Progynova to maintain product stability and ensure environmental safety. The tablets must be stored below 30 C and kept away from excess heat and moisture. To protect the integrity of the medication, it must remain in its original container and should not be used if the package shows signs of tampering or is past the expiry date.

For safety, the product must be kept out of the sight and reach of children at all times. Disposal instructions mandate that unused or expired tablets must not be thrown away with household waste or down the sink. Instead, the medication should be returned to a pharmacist for proper disposal in accordance with local pharmaceutical waste regulations.

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

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