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GlossaryBioequivalence

...similarity in drug absorption and effect between two formulations

Bioequivalence refers to the relationship between two drugs that have the same active ingredients and are expected to have the same effect on the body. For two drugs to be considered bioequivalent, they must show similar bioavailability, meaning they release their active ingredients into the bloodstream at the same rate and extent. This concept is crucial for approving generic drugs, ensuring they perform just as effectively as their brand-name counterparts.

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Bioequivalence of a Single 10-mg Dose of Finasteride 5-mg Oral Disintegrating Tablets and Standard Tablets in Healthy Adult Male Han Chinese Volunteers: A Randomized Sequence, Open-Label, Two-Way Crossover Study

research Bioequivalence of a Single 10-mg Dose of Finasteride 5-mg Oral Disintegrating Tablets and Standard Tablets in Healthy Adult Male Han Chinese Volunteers: A Randomized Sequence, Open-Label, Two-Way Crossover Study

10 citations, October 2009 in “Clinical Therapeutics”

Finasteride 5-mg oral disintegrating tablets and standard tablets are bioequivalent in healthy adult male Han Chinese volunteers.

research Bioequivalence Study of Finasteride

6 citations, December 2011 in “Drug Research”

Finasteride's two formulations absorb similarly, showing bioequivalence.

research Bioequivalence Study of Two Different Coated Tablet Formulations of Finasteride in Healthy Volunteers

4 citations, December 2011 in “Drug Research”

Two finasteride tablet types are equally effective and can be swapped.

Evaluation of Bioequivalence of Five 0.1 mg Dutasteride Capsules Compared to One 0.5 mg Dutasteride Capsule: A Randomized Study in Healthy Male Volunteers

research Evaluation of Bioequivalence of Five 0.1 mg Dutasteride Capsules Compared to One 0.5 mg Dutasteride Capsule: A Randomized Study in Healthy Male Volunteers

3 citations, January 2015 in “Journal of drug assessment”

Taking five small dutasteride capsules is the same as taking one larger capsule.

research Experimental Models to Investigate the Efficacy and Bioequivalence of Low Dose Topical Corticoids

March 2004 in “Journal of The American Academy of Dermatology”

Patients with systemic lupus erythematosus and hair loss had fewer hair follicles and non-scarring alopecia; direct immunofluorescence was not helpful in diagnosing lupus in these cases.

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community Out of curiosity, why are Finasteride pills formulated as small tablets, while Dutasteride pills are much larger soft gel capsules?

in Finasteride/Dutasteride 41 upvotes 1 week ago

Finasteride and Dutasteride are used for hair loss, with Dutasteride often in gel form for better bioavailability. Switching from Finasteride to Dutasteride is common, with some users combining treatments like Minoxidil for improved results.

community Reminder: you can get dutasteride for $6.33 / month in the United States

in Finasteride/Dutasteride 67 upvotes 2 months ago

Dutasteride can be obtained for $6.33 per month in the US through Cost Plus Drugs, with prescriptions easily switched from finasteride by contacting a doctor. Users discuss various methods to obtain affordable dutasteride, including using online pharmacies and considering generic options, while cautioning against buying from unreliable sources like eBay.