Product Information
Registration Status: ActiveSENSHIO FILM-COATED TABLET 60MG is approved to be sold in Singapore with effective from 2018-10-26. It is marketed by SHIONOGI SINGAPORE PTE LTD, with the registration number of SIN15568P.
This product contains Ospemifene 60.0mg in the form of TABLET, FILM COATED. It is approved for ORAL use.
This product is manufactured by Penn Pharmaceutical Services Ltd in UNITED KINGDOM, andManufacturing Packaging Farmaca (MPF) B. V. in NETHERLANDS.
It is a Prescription Only Medicine that can only be obtained from a doctor or a dentist, or a pharmacist with a prescription from a Singapore-registered doctor or dentist.
Description
Ospemifene is a new selective non-hormonal estrogen receptor modulator (SERM) that is used for the treatment of moderate to severe dyspareunia, a symptom of vulvar and vaginal atrophy, due to menopause. FDA approved on February 26, 2013.
Indication
Ospemifene is used for the treatment of moderate to dyspareunia, a symptom of vulvar and vaginal atrophy, due to menopause.
Mechanism of Action
Ospemifene is a next generation SERM (selective estrogen receptor modulator) that selectively binds to estrogen receptors and either stimulates or blocks estrogen's activity in different tissue types. It has an agonistic effect on the endometrium.
Pharmacokinetics
- Absorption
- When a single oral dose of ospemifene 60 mg is given to postmenopausal women under fasted conditions, the pharmacokinetic parameters are as follows: Tmax = 2 hours (range of 1 - 8 hours); Cmax = 533 ng/mL; AUC (0-inf) = 4165 ng•hr/mL. When the same aforementioned dose is given to postmenopausal women under fed conditions, the pharmacokinetic parameters are as follows: Tmax = 2.5 hours (1 - 6 hours); Cmax = 1198 ng/mL; AUC (0-inf) = 7521 ng•hr/mL. Accumulation occurs following repeated doses. Time to steady state = 9 days. Although the bioavailability of ospemifene has not been formally evaluated, it is expected to have a low bioavailability because of its lipophilic nature.
- Distribution
- 448 L
- Metabolism
- Ospemifene is hepatically metabolized via CYP3A4, CYP2C9, CYP2C19, and CYP2B6. The major metabolite was 4-hydroxyospemifene, 25% of the parent compound will undergo this biotransformation. Other metabolites include 4'-hydroxy-ospemifene, <7% of the parent compound will undergo this biotransformation. In order of decreasing potency, ospemifene was suggested to be a weak inhibitor for CYP2B6, CYP2C9, CYP2C19, CYP2C8, CYP2D6 and CYP3A4.
- Elimination
Clearance
Total body clearance = 9.16 L/hr.
Toxicity
Adverse reactions (≥1 percent) include: hot flush, vaginal discharge, muscle spasms, genital discharge, hyperhidrosis.
Active Ingredient/Synonyms
2-(4-(4-Chloro-1,2-diphenyl-but-1-enyl)phenoxy)ethanol | 2-(P-((Z)-4-Chloro-1,2-diphenyl-1-butenyl)phenoxy)ethanol | Deamino-hydroxytoremifene | Ospemifene |
Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.