Climodien

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Climodien

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

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 Climodien

Quick Facts

Property Description
Active Ingredients Dienogest, Estradiol Valerate
Form Film-coated tablets
Pharmacological Class Progestagens and Estrogens (HRT)
Type of Regimen Continuous Combined
Origin Synthetic progestogen combined with an estrogen prodrug

What is Climodien?

Climodien is a prescription-only medication that belongs to the pharmacological class of Hormone Replacement Therapy (HRT), specifically Progestagens and Estrogens. It is provided as a fixed-dose combination product formulated as a film-coated tablet for continuous daily oral use. The medicine’s primary general purpose is to provide relief from the systemic symptoms caused by estrogen deficiency in women following menopause.

Climodien: A Continuous Combined Regimen

This medicine is defined as a Continuous Combined HRT regimen, meaning the oral tablets deliver both active hormones every day without a scheduled break, a design intended to ensure stable hormonal levels. This approach is used for managing postmenopausal complaints in women who still have their uterus and require uninterrupted hormonal support.

Active Components and Therapeutic Principle

Climodien contains the synthetic progestogen Dienogest (DNG) and the estrogen component Estradiol Valerate (E2V). Estradiol Valerate functions as a prodrug that is metabolized in the body to release Estradiol, the bioidentical form of estrogen. The essential therapeutic principle is dual: Estradiol provides the necessary hormone replenishment, while Dienogest provides essential endometrial protection. This protective action ensures the benefits of estrogen replacement are achieved while mitigating potential overgrowth of the uterine lining, facilitating a balanced therapeutic approach for HRT.

Regulatory References

  1. Dutch Public Assessment Report for Climodien

What side effects are possible with Climodien?

Climodien: Possible side effects and safety information

The safety profile of Climodien (Estradiol Valerate/Dienogest) is defined by officially documented effects categorized by frequency and the organ systems involved. This section presents information strictly derived from regulatory labeling and government health authority documents.


Adverse Reaction Scope

Frequency Classification Examples (System-Organ Class)
Common (ge 1/100 to <1/10) Headache, Nausea, Breast pain/tenderness, Uterine/vaginal bleeding irregularities (e.g., spotting), Abdominal pain, Increased weight, Fatigue.
Uncommon (ge 1/1,000 to <1/100) Depression, Dizziness, Hypertension, Edema, Diarrhoea, Constipation, Joint/back pain.

Serious adverse reactions officially documented in regulatory warnings include an increased risk of Venous Thromboembolism (VTE), Arterial Thromboembolism (ATE) (such as stroke and myocardial infarction), and certain Hormone-Sensitive Cancers (e.g., breast cancer, endometrial carcinoma, and ovarian cancer). The risk of Probable Dementia is also noted for postmenopausal women aged 65 and older on combined HRT.


Safety Considerations and Restrictions

Population-specific safety considerations highlight that the medication is contraindicated in patients with known severe hepatic impairment, active or a history of thromboembolic disorders, and known thrombophilic states. For older adults (65 years and over), the risk of probable dementia is a specific safety note in the labeling.

Dose- or exposure-related patterns are officially documented, noting that the risk of VTE is more likely in the first year of HRT use than subsequently. Additionally, uterine bleeding irregularities are classified as a common adverse reaction that generally decreases over the first few months of treatment.

Safety-related restrictions also include the limitation that the use of strong CYP3A4 inducers (such as St. John’s wort or certain antiepileptics) may decrease the efficacy of the medicine, posing a safety risk of therapeutic failure.


Regulatory Safety Summary

The official safety information structures the risk profile by classifying expected non-serious effects separately from rare, serious vascular and malignancy risks. The regulatory framework formally defines risks as time-dependent, noting that risks like VTE are more pronounced during the initial year of exposure. This descriptive approach ensures that the medicine’s limitations and adverse reaction categories are formally documented as required by government health authorities.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes the officially documented information regarding overdose from government regulatory sources and is not a substitute for medical advice.

Domain Official Regulatory Statement
Documented Overdose Presentations Overdosage may present with nausea, vomiting, and withdrawal bleeding in females.
Physiological Systems Affected Gastrointestinal system and the reproductive system are noted as being affected by overdose.
Emergency-Response Statements Treatment is defined as symptomatic and supportive. The official labeling states that no specific antidote is known.
When Immediate Medical Help is Required Urgent medical intervention beyond supportive care is not explicitly mandated in the official labeling due to the low reported acute toxicity profile.

Overdose Classifications (High-Level)

Classification Official Regulatory Statement
Severity Classification Low acute toxicity; documentation states the absence of reports of serious ill effects.
Population-Specific Notes Ingestion by children is noted, with the regulatory finding that no serious ill effects have been reported in this population.

Official Overdose Statements:

  • Regulatory documentation notes that no specific antidote is known for overdose with the active components.
  • Overdosage is formally documented to manifest clinically as nausea, vomiting, and withdrawal bleeding in females.
  • Treatment for overdose is officially defined as symptomatic and supportive.
  • The acute toxicity profile is defined by the absence of reports of serious ill effects, even following inadvertent ingestion by children.

Connection to the Overall Overdose Profile Regulatory documents define the Climodien overdose profile by its low acute toxicity, which limits the expected clinical severity. This low severity classification means that no serious ill effects are reported in official records, including cases involving ingestion by children. Consequently, official emergency-seeking conditions focus on implementing symptomatic and supportive treatment rather than requiring immediate, specific life-saving interventions.

Therapeutic Uses of Climodien

What Climodien Treats: Main Uses and Benefits

The primary therapeutic function of Climodien generally involves providing Hormone Replacement Therapy (HRT) for women who are postmenopausal, focusing on managing chronic, disruptive symptoms caused by estrogen deficiency. This continuous combined regimen is generally relevant in clinical settings that involve symptomatic discomfort and the addressing of estrogen deficiency symptoms.

Its use may be applied in addressing multiple symptom clusters, including moderate-to-severe vasomotor symptoms, psychonervous disorders, and urogenital atrophy. The medication is commonly applied in contexts where additional symptomatic support is needed, helping with symptoms such as hot flushes, night sweats, anxiety, insomnia, and vaginal dryness. This supportive benefit contributes to easing the overall symptom load and may help maintain a sense of stability when symptoms are more noticeable.

Quick Fact Block

Quick Fact: Relief for Key Symptom Domains Description
Systemic Discomfort Manages physical symptoms like hot flushes and night sweats.
Emotional Balance Assists with psychonervous symptoms such as anxiety and insomnia.
Local Comfort Supports the easing of local atrophy manifestations, including vaginal dryness.
Long-Term Health Contributes to bone preservation for osteoporosis prevention.

Regulatory References

  1. Public Assessment Report from the Dutch Medicines Evaluation Board

Eligibility and Restrictions for Use

Climodien is a Hormone Replacement Therapy (HRT) specifically intended for postmenopausal women who still possess a uterus, as the continuous combined formulation provides essential endometrial protection. Regulatory documents define eligibility by strict exclusion criteria based on established health risks.

Use of Climodien is absolutely contraindicated for patients with a current or history of breast cancer or other estrogen-dependent malignancies. It is strictly prohibited in women with active or a history of venous or arterial thromboembolic disease (such as DVT, stroke, or myocardial infarction) or known thrombophilic disorders. Severe active liver disease or the presence of liver tumors also preclude its use.

The medicine is not indicated for children or adolescents and is contraindicated during pregnancy. Use is not recommended while breastfeeding. Furthermore, official labeling notes that experience is limited in women over 65 years of age, and special consideration is required for patients with high cardiovascular risk factors like diabetes with vascular involvement.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The estrogen component of Climodien is metabolized primarily by the cytochrome P450 3A4 (CYP3A4) enzyme system in the liver. This metabolic pathway is the basis for several important drug interactions.

Substances that Increase Metabolism (CYP3A4 Inducers):

Co-administration with enzyme-inducing medicinal products can accelerate the breakdown of the estrogen, which may lead to reduced plasma concentrations and potentially lessen the therapeutic effects of Climodien. Examples include certain anticonvulsants (e.g., phenobarbital, phenytoin, carbamazepine), antibacterials (e.g., rifampicin), and the herbal product St. John's Wort.

Substances that Decrease Metabolism (CYP3A4 Inhibitors):

Concomitant use with inhibitors of the CYP3A4 enzyme can slow the breakdown of the estrogen component, resulting in increased plasma concentrations. This may lead to an increased risk of side effects. Examples of inhibitors include certain antifungals (e.g., ketoconazole, itraconazole) and macrolide antibiotics (e.g., erythromycin, clarithromycin).

Other Specific Interactions:

  • Climodien may decrease the effectiveness of the anti-epileptic drug lamotrigine.
  • The effects of thyroid hormone replacement therapy (e.g., levothyroxine) may be reduced, necessitating dose monitoring.
  • The consumption of grapefruit or grapefruit juice may also inhibit the CYP3A4 enzyme and is generally not advised with this medication. Combinations of medications classified as Major in official regulatory documents should typically be avoided due to significant risk.

Mechanism of Action

Climodien is a continuous, combined hormonal therapy containing the prodrug estradiol valerate (E2V) and the progestogen dienogest (DNG).

E2V is rapidly hydrolyzed by esterases in the blood and liver to form 17beta-estradiol (E2). E2 acts as an agonist at the nuclear Estrogen Receptors ( ERalpha and ERbeta) located in various target tissues, including bone, vascular endothelium, and the hypothalamus. Receptor activation initiates the transcription of target genes, resulting in the modulation of protein synthesis.

Dienogest is a synthetic progestogen and a selective agonist of the Progesterone Receptor (PR). DNG exhibits high affinity for the PR in the endometrium. This PR agonism induces anti-proliferative and secretory changes in the endometrium. Furthermore, dienogest demonstrates antagonism at the Androgen Receptor (AR). The continuous systemic delivery of E2 and DNG modulates the hypothalamic-pituitary axis, which leads to a controlled physiological state of gonadal hormone signaling.

Dosage and Administration Information

Climodien is a Hormone Replacement Therapy (HRT) administered through the oral route as a fixed-dose film-coated tablet. The official usage protocol is defined as a Continuous Combined Treatment regimen, which mandates an uninterrupted schedule of daily dosing.

Official Administration Guidelines

Administration of this medicine adheres to a structured, continuous pattern.

Usage Aspect Principle
Dosing Schedule One tablet is taken once daily (qDay).
Tablet Strength The fixed dose typically contains Estradiol Valerate 2 mg and Dienogest 2 mg.
Timing & Intake Tablets should be swallowed whole with some liquid and may be taken with or without food.
Schedule Continuity Treatment is continuous: a new pack is started immediately after the previous one is completed, with no scheduled break.
Time Consistency Taking the tablet consistently at the same time every day is the preferred method of use.

Protocol for Missed Doses

The established procedure for managing a missed tablet is tied to the time elapsed. If a tablet is forgotten, it should be taken as soon as possible. However, if more than 24 hours have passed since the usual time, the forgotten tablet should not be taken. Instead, the schedule resumes with the next tablet at the usual time. Continuing the treatment plan on schedule is the priority in this instance. Information regarding use in women older than 65 years is limited.

Recent Clinical Evidence

Research evidence / Overview of Studies for Climodien


Evidence for Climacteric Symptom Relief

Research for Climodien was evaluated primarily through Randomized Controlled Trials (RCTs) involving postmenopausal women. These studies explored how symptoms change over time by comparing the medicine to a control group, usually a placebo. Researchers examined patient-reported outcomes related to systemic discomfort and functional imbalance, including the intensity and frequency of hot flushes, night sweats, and associated psychological complaints. These findings describe patterns observed in the studies, contributing to understanding symptom patterns over short-term to intermediate follow-up periods.

Research on Endometrial Protection

A major focus of the research focused on endometrial safety in women with an intact uterus. Studies monitored whether the combination was evaluated for its potential to address the overgrowth of the uterine lining (hyperplasia). The research examined specific safety endpoints, measuring uterine lining thickness over the trial duration. The data show patterns related to these endometrial findings, indicating that the combined regimen was evaluated in settings requiring continuous support.

Study Limitations and Research Gaps

The evidence base has several limitations noted by regulators. Key clinical trials primarily spanned 24 to 48 weeks, meaning information on outcomes over many years remains limited in the established clinical trials. Furthermore, the results apply only to the populations studied, with limited information available from dedicated research involving women over 65 years old. The research also includes biomarker sub-analyses indicating a relationship with bone resorption markers, but evidence on long-term clinical outcomes like fracture prevention is not fully established by the existing data.

Key Studies & References

  1. Estradiol Valeraat 1 mg / Dienogest 2 mg Laboratorios Léon Farma - Summary of Product Characteristics (SmPC)

Frequently Asked Questions (FAQ)

Common questions about Climodien (FAQ)


Q: Can I use herbal supplements like St. John's Wort while taking Climodien?

A: Official information states that the herbal product St. John's Wort can speed up the way the body breaks down the medicine's estrogen component. This process may lead to a lower concentration of the drug in your system, potentially lessening its therapeutic effects.


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

A: If a tablet is forgotten, official administration guidelines recommend taking it as soon as possible. However, if more than 24 hours have passed since the usual time, the forgotten tablet should not be taken, and the regular schedule is resumed with the next tablet. The protocol is designed to address the potential impact on the medicine's protective effect on the uterine lining.


Q: What if I become pregnant while taking Climodien?

A: This medicine is specifically for postmenopausal use and is contraindicated (should not be used) during pregnancy. If pregnancy is discovered, regulatory guidance states that the therapy should be immediately discontinued.


Q: Does Climodien have any effect on bone density?

A: While research indicates the estrogen component can inhibit bone breakdown, the existing evidence base is limited. The core data has not fully established long-term outcomes, such as fracture prevention.


Q: Why is Climodien usually a combination drug?

A: Climodien is a combination of an estrogen component (estradiol valerate) and a progestogen component (dienogest). The progestogen is included to address a safety concern. Taking estrogen alone can cause the lining of the uterus (endometrium) to overgrow, so the progestogen is added to provide protection against this hyperplasia.


Q: Is it common to experience breast tenderness or swelling with Climodien?

A: Official safety data lists Breast pain/tenderness as a Common adverse reaction, meaning it affects between 1 in 10 and 1 in 100 users. Swelling or fluid retention, known as Edema, is categorized as an Uncommon adverse reaction, affecting 1 in 100 to 1 in 1,000 users.


Q: How is Climodien different from other common menopause treatments I've heard about?

A: This medicine is classified as a continuous combined Hormone Replacement Therapy (HRT). This means it is taken every day without a break. It combines a specific estrogen, estradiol valerate, with a progestogen, dienogest, which defines its unique components and dosing regimen compared to other available treatments.


Q: Does Climodien help with hot flashes, and how quickly does it start working?

A: Clinical trials examined the change in patient-reported symptoms, including the frequency and intensity of hot flushes. However, regulatory documents avoid providing a specific time frame or guarantee for when an individual patient will experience the maximum symptom relief.


Q: What should I expect in the first month of taking Climodien?

A: One common expectation is the potential for changes in bleeding patterns. Regulatory documents state that uterine bleeding irregularities (such as spotting) are common but generally tend to decrease over the first few months of treatment. Separately, the risk of serious side effects like blood clots is noted as being more likely in the first year of HRT use.


Q: Is Climodien a long-term treatment, or is it only for a short time?

A: The treatment is designed for continuous daily dosing, meaning there are no scheduled breaks. However, regulatory guidance advises that any HRT should be used for the shortest duration possible that effectively manages symptoms, and the official recommendation is that benefits and risks should be regularly re-evaluated.


Q: Can Climodien affect my mood or cause emotional changes?

A: The medicine's official safety documentation lists Depression as an Uncommon adverse reaction. This is an official term used to describe adverse effects affecting between 1 in 100 and 1 in 1,000 users.


Q: Can Climodien be taken if I have a history of liver problems?

A: The medicine is contraindicated (should not be used) in patients with active or a history of severe hepatic disease (serious liver disease). This restriction applies as long as blood tests to check liver function have not returned to normal.


Q: Does Climodien cause weight gain, or is that a common misconception?

A: Official adverse reaction lists categorize Increased weight as a Common side effect. This means it has been reported in between 1 in 10 and 1 in 100 users during clinical use and trials.


Q: What are the official sources saying about the long-term safety of Climodien?

A: Regulatory documents explicitly note a limitation in the current research base. The primary clinical trials supporting the medicine spanned 24 to 48 weeks, which means that detailed safety and effectiveness information concerning outcomes over many years remains limited in the core data.


Q: Are there any restrictions on driving or operating machinery while on Climodien?

A: Regulatory information indicates that the medicine has a minor influence on a person's ability to drive or use machines. This caution is based on reported adverse effects such as dizziness and fatigue, which could potentially impair these activities.


Q: Is there a generic version of Climodien available?

A: The term Climodien is the registered proprietary (brand) name given to this specific medicine. The availability of non-brand or generic versions of the combination of Estradiol Valerate and Dienogest can depend on the specific market and jurisdiction where the drug is sold.


Q: What are the key themes or outcomes highlighted in the drug's research evidence?

A: The research evidence focuses on three main areas: the relief of climacteric symptoms (like hot flushes), endometrial protection (addressing the safety of the uterine lining), and examining the medicine's relationship with certain bone resorption markers.


Q: Can Climodien affect fertility in women who are still pre-menopausal?

A: The medicine is officially indicated (approved) only for Hormone Replacement Therapy (HRT) in postmenopausal women. Its use in pre-menopausal women is outside the approved therapeutic indication.


Q: Is Climodien a controlled substance?

A: In major regulatory jurisdictions, the combination of Estradiol Valerate and Dienogest in Climodien is typically not scheduled under controlled substance acts or equivalent regulations.


Q: What are the requirements for being an eligible patient for Climodien?

A: The medicine is indicated for Hormone Replacement Therapy (HRT) to relieve symptoms in postmenopausal women. The presence of an intact uterus generally requires the use of a combined estrogen-progestogen formulation like Climodien.


Q: Can men use Climodien for any condition?

A: The medicine is explicitly indicated for use in postmenopausal women only for symptoms related to estrogen deficiency. Its use in men is outside the scope of its approved regulatory indication.


Q: What are the rules about stopping Climodien for a short time before surgery?

A: Because all HRTs carry an increased risk of blood clots (Venous Thromboembolism, or VTE), regulatory texts advise that the medicine should be discontinued for major surgery or long periods of immobility. This period is typically four to six weeks prior to a planned operation.


Q: Do people with asthma need to be careful when using Climodien?

A: Asthma is listed in official regulatory documents as an existing condition that may potentially be aggravated during treatment. Therefore, patients with this condition may require close monitoring by a healthcare provider while using the medicine.


Q: Is it described anywhere that Climodien can cause temporary hair loss?

A: A review of the official regulatory adverse reaction lists for this medicine does not commonly list hair loss or temporary hair loss as a reported side effect.


Q: Can Climodien cause changes in vision or headaches?

A: Official safety data lists Headache as a Common adverse reaction (affecting 1 in 10 to 1 in 100 users). Visual disturbances are listed as an Uncommon adverse reaction (affecting 1 in 100 to 1 in 1,000 users).


Q: Where can I find the official patient information leaflet for Climodien online?

A: Official information for the medicine, such as the Summary of Product Characteristics (SmPC) or the Patient Information Leaflet (PIL), is publicly accessible on the websites of the government drug authorities in the country where the drug is prescribed (e.g., FDA, EMA, MHRA).


Q: Is the term 'Climodien' a brand name, and what is its chemical name?

A: Climodien is the registered proprietary (brand) name of the drug. Its active ingredients are the combined hormonal components Estradiol Valerate and Dienogest, which are the non-proprietary chemical or generic names.

How should Climodien be stored and disposed of?

Storage and Disposal of Climodien

The storage conditions for Climodien film-coated tablets are defined by regulatory labeling to maintain product stability and ensure environmental safety.

Requirement Category Official Regulatory Statement
Storage Temperature Do not store above 30 °C [1.4].
Protection Requirement Store in the original package to protect from light [3.4].
Child Safety Must be kept out of the reach of children [1.1].

The 30 °C maximum temperature is associated with the 5-year shelf-life of the product. The mandatory use of the original package prevents light exposure. When disposing of unused or expired tablets, official rules mandate they must not be thrown away via wastewater or household waste [1.1]. Instead, the product should be returned to a pharmacy's designated collection point for pharmaceutical waste [1.1].

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

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