Correlation of Isotretinoin Induced Depression to Biotinidase Level in Patients on Isotretinoin


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Acne is a chronic inflammatory disease of the pilosebaceous unit resulting from androgen-induced increased sebum production, altered keratinization, inflammation, and bacterial colonization of hair follicles on the face, neck, chest, and back by, Cutibacterium acnes. Although all age groups can be affected, it is primarily a disease of adolescence. Treatment selection is based on disease severity, patient preference, and tolerability. Isotretinoin is drug of chioce used for moderate and severe acne. Isotretinoin results in a significant reduction in sebum production, influences comedogenesis, lowers surface and ductal c. acnes and has anti-inflammatory properties. Biotin deficiency may be caused by insufficient dietary uptake of biotin, drug- vitamin interactions and increased biotin catabolism during pregnancy and in smokers. Biotin deficiency can also be precipitated by decreased activities of biotinidase, which plays a central role in the intestinal absorption of biotin

Targeted Conditions

Study Overview

Start Date
January 30, 2024
Completion Date
January 20, 2026
Date Posted
February 5, 2024
Accepts Healthy Volunteers?


Full Address
Tanta Unuversity
Tanta 31527, Egypt


Minimum Age (years)
Maximum Age (years)
Eligibility Criteria
Inclusion Criteria:

Age of 19 to 35 years. Body mass index (BMI) of 18.5 to 23 kg/m2. Acne vulgaris (global acne scoring more than 18)

Exclusion Criteria:

Use of oral steroids, oral contraceptives, oral vitamin A derivatives, antibiotics, or herbal medicines that may affect the test results during the last 4 weeks.

Alcohol drinking within the last week. Smoking. Pregnancy or lactation. Judgement that physical or mental testing is not appropriate for the clinical trial.

Participation in other clinical trials that may affect this t

Study Contact Info

Study Contact Name
Eman I Elberri, PhD; Mostafa M Bahaa, PhD
Study Contact Email
Study Contact Phone

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FDA Regulated Drug?
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NCTid (if applicable)