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COVERSYL PLUS TABLET 5MG/1.25MG

Product Information

Registration Status: Active

SIN13633P

COVERSYL PLUS TABLET 5MG/1.25MG is approved to be sold in Singapore with effective from 2009-04-24. It is marketed by SERVIER (S) PTE LTD, with the registration number of SIN13633P.

This product contains Indapamide 1.25mg, and Perindopril 5mg in the form of TABLET, FILM-COATED. It is approved for ORAL use.

This product is manufactured by LES LABORATOIRES SERVIER INDUSTRIE [LSI] in FRANCE, andSERVIER (IRELAND) INDUSTRIES LTD. [SII] in IRELAND.

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.

Product Reference
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Description

A benzamide-sulfonamide-indole. It is called a thiazide-like diuretic but structure is different enough (lacking the thiazo-ring) so it is not clear that the mechanism is comparable. [PubChem]

Indication

For the treatment of hypertension, alone or in combination with other antihypertensive drugs, as well as for the treatment of salt and fluid retention associated with congestive heart failure or edema from pregnancy (appropriate only in the management of edema of pathologic origin during pregnancy when clearly needed). Also used for the management of edema as a result of various causes.

Mechanism of Action

Indapamide blocks the slow component of delayed rectifier potassium current (IKs) without altering the rapid component (IKr) or the inward rectifier current. Specifically it blocks or antagonizes the action the proteins KCNQ1 and KCNE1. Indapamide is also thought to stimulate the synthesis of the vasodilatory hypotensive prostaglandin PGE2.

Pharmacokinetics

Absorption
Rapidly absorbed from gastrointestinal tract.
Distribution
Metabolism
Primarily hepatic. Indapamide is an extensively metabolized drug with only about 7+ACU- of the total dose administered, recovered in the urine as unchanged drug during the first 48 hours after administration.
Elimination

Toxicity

Side effects include electrolyte imbalance (potassium or salt depletion due to too much fluid loss), nausea, stomach disorders, vomiting, weakness

Active Ingredient/Synonyms

Indapamid | Indapamida | Indapamide | Indapamidum | Metindamide | Indapamide |


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.


Description

Perindopril is a nonsulfhydryl prodrug that belongs to the angiotensin-converting enzyme (ACE) inhibitor class of medications. It is rapidly metabolized in the liver to perindoprilat, its active metabolite, following oral administration. Perindoprilat is a potent, competitive inhibitor of ACE, the enzyme responsible for the conversion of angiotensin I (ATI) to angiotensin II (ATII). ATII regulates blood pressure and is a key component of the renin-angiotensin-aldosterone system (RAAS). Perindopril may be used to treat mild to moderate essential hypertension, mild to moderate congestive heart failure, and to reduce the cardiovascular risk of individuals with hypertension or post-myocardial infarction and stable coronary disease.

Indication

For the treatment of mild to moderate essential hypertension, mild to moderate congestive heart failure, and to reduce the cardiovascular risk of individuals with hypertension or post-myocardial infarction and stable coronary disease.

Mechanism of Action

There are two isoforms of ACE: the somatic isoform, which exists as a glycoprotein comprised of a single polypeptide chain of 1277; and the testicular isoform, which has a lower molecular mass and is thought to play a role in sperm maturation and binding of sperm to the oviduct epithelium. Somatic ACE has two functionally active domains, N and C, which arise from tandem gene duplication. Although the two domains have high sequence similarity, they play distinct physiological roles. The C-domain is predominantly involved in blood pressure regulation while the N-domain plays a role in hematopoietic stem cell differentiation and proliferation. ACE inhibitors bind to and inhibit the activity of both domains, but have much greater affinity for and inhibitory activity against the C-domain. Perindoprilat, the active metabolite of perindopril, competes with ATI for binding to ACE and inhibits and enzymatic proteolysis of ATI to ATII. Decreasing ATII levels in the body decreases blood pressure by inhibiting the pressor effects of ATII as described in the Pharmacology section above. Perindopril also causes an increase in plasma renin activity likely due to a loss of feedback inhibition mediated by ATII on the release of renin and/or stimulation of reflex mechanisms via baroreceptors.

Pharmacokinetics

Absorption
Rapidly absorbed with peak plasma concentrations occurring approximately 1 hour after oral administration. Bioavailability is 65-75%. Following absorption, perindopril is hydrolyzed to perindoprilat, which has an average bioavailability of 20%. The rate and extent of absorption is unaffected by food. However, food decreases the extent of biotransformation to peridoprilat and reduces its bioavailability by 35%.
Distribution
Metabolism
Extensively metabolized, with only 4-12% of the dose recovered in urine following oral administration. Six metabolites have been identified: perindoprilat, perindopril glucuronide, perindoprilat glucuronide, a perindopril lactam, and two perindoprilat lactams. Only perindoprilat is pharmacologically active. Peridoprilat and perindoprilat glucuronide are the two main circulating metabolites.
Elimination

Clearance

* 219 - 362 mL/min [oral administration]

Toxicity

The most likely symptom of overdose is severe hypotension. The most common adverse effects observed in controlled clinical trials include cough, digestive symptoms, fatigue, headache, and dizziness.

Active Ingredient/Synonyms

(2S,3AS,7as)-1-[(2S)-2-{[(2S)-1-ethoxy-1-oxopentan-2-yl]amino}propanoyl]octahydro-1H-indole-2-carboxylic acid | Perindoprilum | Perindopril |


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.

References

  1. Health Science Authority of Singapore - Reclassified POM
  2. Drugbank

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