Visanne 2mg Actions

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Actions of Visanne 2mg in details

The action of the drug on the human body is called Pharmacodynamics in Medical terminology. To produce its effect and to change the pathological process that is happening the body and to reduce the symptom or cure the disease, the medicine has to function in a specific way. The changes it does to the body at cellular level gives the desired result of treating a disease. Drugs act by stimulating or inhibiting a receptor or an enzyme or a protein most of the times. Medications are produced in such a way that the ingredients target the specific site and bring about chemical changes in the body that can stop or reverse the chemical reaction which is causing the disease.

Pharmacotherapeutic Group: Progestogens. ATC Code: G03D.

Pharmacology: Pharmacodynamics: Visanne 2mg is a nortestosterone derivative with no androgenic but rather an antiandrogenic activity of approximately 1/3 of that of cyproterone acetate. Visanne 2mg binds to the progesterone receptor of the human uterus with only 10% of the relative affinity of progesterone. Despite its low affinity to the progesterone receptor, Visanne 2mg has a strong progestogenic effect in vivo. Visanne 2mg has no significant androgenic, mineralocorticoid or glucocorticoid activity in vivo.

Visanne 2mg acts on endometriosis by reducing the endogenous production of estradiol and thereby suppressing the trophic effects of estradiol on both the eutopic and ectopic endometrium. When given continuously, Visanne 2mg leads to a hypoestrogenic, hypergestagenic endocrine environment causing initial decidualization of endometrial tissue followed by atrophy of endometriotic lesions.

Data on Efficacy: Superiority of Visanne 2mg over placebo was demonstrated in a 3-month study including 198 patients with endometriosis. Endometriosis-associated pelvic pain was measured on a visual analog scale (0-100 mm). After 3 months of treatment with Visanne 2mg a statistically significant difference compared to placebo (∆ = 12.3 mm; 95% CI: 6.4-18.1; p<0.0001) and a clinically meaningful reduction of pain compared to baseline (mean reduction = 27.4 mm±22.9) were demonstrated.

After 3 months of treatment, reduction of endometriosis-associated pelvic pain by ≥50% without relevant increase of concomitant pain medication was achieved in 37.3% of patients on Visanne 2mg (placebo: 19.8%); a reduction of endometriosis-associated pelvic pain by ≥75% relevant increase of concomitant pain medication was achieved in 18.6% of patients on Visanne 2mg (placebo: 7.3%).

The open-label extension to this placebo-controlled study showed a continued improvement of endometriosis-associated pelvic pain for a treatment duration of up to 15 months.

The placebo controlled results were supported by the results obtained in a 6-month active-controlled study versus a GnRH agonist including 252 patients with endometriosis.

Three (3) studies including a total of 252 patients who received a daily dose of Visanne 2mg 2 mg demonstrated a substantial reduction of endometriotic lesions after 6 months of treatment.

In a small study (n=8 per dose group), a daily dose of Visanne 2mg 1 mg has been shown to induce an anovulatory state after 1 month of treatment. Visanne 2mg has not been tested for contraceptive efficacy in larger studies.

Data on Safety: Endogenous estrogen levels are only moderately suppressed during treatment with Visanne 2mg.

Currently, long-term data on bone mineral density (BMD) and risk of fractures in users of Visanne 2mg are not available. BMD was assessed in 21 patients before and after 6 months of treatment with Visanne 2mg and there was no reduction of mean BMD. In 29 patients treated with leuprorelin acetate (LA), a mean reduction of 4.04%±4.84 was noted after the same period (∆ between groups = 4.29%; 95% CI: 1.93-6.66; p<0.0003).

No significant impact on standard laboratory parameters, including hematology, blood chemistry, liver enzymes, lipids and HbA1C was observed during treatment with Visanne 2mg for up to 15 months (n=168).

Pharmacokinetics: Absorption:

Orally administered Visanne 2mg is rapidly and almost completely absorbed. Peak serum concentrations of 47 ng/mL are reached at about 1.5 hrs after single ingestion. Bioavailability is about 91%. The pharmacokinetics of Visanne 2mg are dose-proportional within the dose range of 1-8 mg.

Distribution: Visanne 2mg is bound to serum albumin and does not bind to sex hormone binding globulin (SHBG) or corticoid binding globulin (CBG). Ten percent (10%) of the total serum drug concentrations are present as free steroid, 90% are nonspecifically bound to albumin.

The apparent volume of distribution (Vd/F) of Visanne 2mg is 40 L.

Metabolism: Visanne 2mg is completely metabolized by the known pathways of steroid metabolism, with the formation of endocrinologically mostly inactive metabolites. Based on in vitro and in vivo studies, CYP3A4 is the major enzyme involved in the metabolism of Visanne 2mg. The metabolites are excreted very quickly, so that in plasma unchanged Visanne 2mg is the dominating fraction.

The metabolic clearance rate from serum (Cl/F) is 64 mL/min.

Elimination: Visanne 2mg serum levels decrease in 2 phases. The terminal disposition phase is characterized by a half-life of approximately 9-10 hrs. Visanne 2mg is excreted in form of metabolites which are excreted at a urinary to fecal ratio of about 3:1 after oral administration of 0.1 mg/kg. The half-life of urinary metabolites excretion is 14 hrs. Following oral administration approximately 86% of the dose administered is eliminated within 6 days, the bulk of this amount excreted within the first 24 hrs, mostly with the urine.

Steady-State Conditions: Pharmacokinetics of Visanne 2mg are not influenced by SHBG levels. Following daily ingestion drug serum levels increase about 1.24-fold reaching steady-state conditions after 4 days of treatment. The pharmacokinetics of Visanne 2mg after repeated administration of Visanne 2mg can be predicted from single dose pharmacokinetics.

Special Population: Visanne 2mg has not been studied specifically in renally impaired subjects.

Visanne 2mg has not been studied in subjects with hepatic impairment.

Toxicology: Preclinical Safety Data: Preclinical data reveal no special risks for humans based on conventional studies of safety pharmacology, repeated dose toxicity, genotoxicity, carcinogenic potential and toxicity to reproduction. However, it should be borne in mind that sex steroids can promote the growth of certain hormone-dependent tissues and tumors.



  1. DailyMed. "DIENOGEST; ESTRADIOL VALERATE: DailyMed provides trustworthy information about marketed drugs in the United States. DailyMed is the official provider of FDA label information (package inserts).". (accessed September 17, 2018).
  2. NCIt. "Dienogest: NCI Thesaurus (NCIt) provides reference terminology for many systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities.". (accessed September 17, 2018).


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Information checked by Dr. Sachin Kumar, MD Pharmacology

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