HEXENE TABLET 125mg

Contents

Griseofulvin

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.

Active Ingredient / Synonyms

(+)-griseofulvin | Amudane | Curling factor | Fulcin | Fulvicin | Grifulvin | Griseofulvin | Griseofulvin, microcrystalline | Griseofulvin, ultramicrosize | Griseofulvina | Griseofulvine | Griseofulvinum | Grisovin | Grysio | Lamoryl | Likuden | Poncyl | Spirofulvin | Sporostatin | Griseofulvin |

Description

An antifungal antibiotic. Griseofulvin may be given by mouth in the treatment of tinea infections. [PubChem]

Indication

For the treatment of ringworm infections of the skin, hair, and nails, namely: tinea corporis, tinea pedis, tinea cruris, tinea barbae, cradle cap or other conditions caused by Trichophyton or Microsporum fungi.

Mechanism of Action

Griseofulvin is fungistatic, however the exact mechanism by which it inhibits the growth of dermatophytes is not clear. It is thought to inhibit fungal cell mitosis and nuclear acid synthesis. It also binds to and interferes with the function of spindle and cytoplasmic microtubules by binding to alpha and beta tubulin. It binds to keratin in human cells, then once it reaches the fungal site of action, it binds to fungal microtubes thus altering the fungal process of mitosis.

Pharmacodynamics

Griseofulvin is a mycotoxic metabolic product of Penicillium spp. It was the first available oral agent for the treatment of dermatophytoses and has now been used for more than forty years. Griseofulvin is fungistatic with in vitro activity against various species of Microsporum Epidermophyton, and Trichophyton. It has no effect on bacteria or on other genera of fungi. Following oral administration, griseofulvin is deposited in the keratin precursor cells and has a greater affinity for diseased tissue. The drug is tightly bound to the new keratin which becomes highly resistant to fungal invasions. Once the keratin-Griseofulvin complex reaches the skin site of action, it binds to fungal microtubules (tubulin) thus altering fungal mitosis.

Pharmacokinetics

Absorption:

Poorly absorbed from GI ranging from 25 to 70% of an oral dose. Absorption is significantly enhanced by administration with or after a fatty meal.

Distribution:

Not Available

Metabolism:

Primarily hepatic with major metabolites being 6-methyl-griseofulvin and its glucuronide conjugate.

Elimination:

Not Available

Half-life

9-21 hours

Clearance

Not Available

Toxicity

Side effects are minor: headaches, gastrointestinal reactions and cutaneous eruptions

References

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

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Approval Information

HEXENE TABLET 125mg was registered with Health Science Authority of Singapore by SUNWARD PHARMACEUTICAL PTE LTD. It is marketed with the registration number of SIN00896P with effective from 1993-08-18.

This product contains 125mg of Griseofulvin in the form of TABLET.

The medicine was manufactured by SUNWARD PHARMACEUTICAL PTE LTD in SINGAPORE

It is a Presciption Only Medicine which can only be obtained from a doctor or a dentist, or from a pharmacist with a prescription from a Singapore-registered doctor or dentist.

Anatomical Therapeutic Chemical (ATC) Classification

ATC Code: D01BA01

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526 B.S. SUSPENSION Sulfamethoxazole|Trimethoprim POM APEX PHARMA MARKETING PTE LTD Active
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