Topical phenytoin for wound healing

Area of Science:

• Pharmacology
• Wound Healing Research
• Dermatology

Background:

• Oral phenytoin is a common anticonvulsant medication.
• Gingival overgrowth is a frequent side effect of oral phenytoin therapy.
• This side effect prompted research into phenytoin's potential wound-healing properties.

Purpose of the Study:

• To review the existing literature on topical phenytoin's efficacy in wound healing.
• To explore the potential mechanisms behind phenytoin's wound-healing effects.
• To determine if further clinical investigation is warranted.

Main Methods:

• Literature review of studies investigating topical phenytoin for wound healing.
• Analysis of reported outcomes across various wound types.
• Examination of postulated mechanisms of action.

Main Results:

• Topical phenytoin has demonstrated efficacy in promoting the healing of diverse wounds.
• Successful applications include decubitus ulcers, venous stasis ulcers, diabetic ulcers, traumatic wounds, burns, and leprosy trophic ulcers.
• The mechanism of action is believed to be multifactorial.

Conclusions:

• Topical phenytoin shows significant potential as a wound-healing agent.
• Further research, including controlled dose-finding clinical trials, is recommended.
• Phenytoin's wound-healing properties warrant continued investigation.