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Finasteride: Evidence Quality Rubric. Scoring out of 100 points.
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1. Mechanistic Support (10 points available)QuestionCriteriaAnswerPoints
Input Score
Instructions
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1.1Are there mechanistic, in vivo animal studies suggesting that this intervention may target mechanisms favorable to hair growth?Yes11Proceed to 1.1.1
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No0Proceed to 1.2
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1.1.1Were these studies published in reputable journals; PubMed indexed with an impact factor >1?Yes11Proceed to 1.1.2
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No0
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1.1.2Have these studies been replicated?Yes11Proceed to 1.1.3
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No0Proceed to 1.2
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1.1.3If yes, how many replication studies?102Proceed to 1.2
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2 to 31
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4+2
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1.2Are there mechanistic, in vitro/ex-vivo studies on human samples suggesting that this intervention may target mechanisms favorable to hair growth in humans?Yes11Proceed to 1.2.1
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No0Proceed to 2.1
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1.2.1Were these studies published in reputable journals; PubMed-indexed, impact factor >1?Yes11Proceed to 1.22
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No0
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1.2.2Have these studies been replicated?Yes11Proceed to 1.2.3
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No0
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1.2.3If yes, how many replication studies?102Proceed to 2.1
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2 to 31
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4+2
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Score10
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2. Human Studies (90 points available)2.1Is there any clinical evidence at all - observational or otherwise - that this intervention may improve hair loss in humans?Yes55Proceed to 2.1.1
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No0Proceed to 2.4
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2.1.1If yes, does that data include objective hair count measurements - like from a phototrichogram?Yes55Proceed to 2.2
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No0
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2.2Are there any interventional studies on the intervention?Yes1515Proceed to 2.2.1
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No0Proceed to 2.4
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2.2.1If yes, does that data include objective hair count measurements -- like from a phototrichogram?Yes55Proceed to 2.2.2
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No0
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2.2.2If yes, how many total studies? (including white papers)1 to 205Proceed to 2.3
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3 to 42
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>55
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2.3Are there randomized, blinded, placebo controlled trials published in academic journals?Yes1515Proceed to 2.3.1
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No0Proceed to 2.4
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2.3.1Were these studies published in reputable journals; PubMed-indexed, impact factor >1?Yes55Proceed to 2.3.2
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No0
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2.3.2How many total RCT studies have been conducted? 1 to 205Proceed to 2.3.3
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3 to 42
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>55
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2.3.3Do those studies feature participants who have hair loss types that match the consumers buying those interventions?Yes00Proceed to 2.4
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No-15
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2.4How many participants have been included in all studies included in questions 2.1, 2.2 and 2.3?< 200010Proceed to 2.5
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201 to 5002
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501 to 10005
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>100110
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2.5Do the studies included in questions 2.1, 2.2 and 2.3 pose any conflicts of interest from the authors, such as the manufacturer funding and/or conducting a study of their own product.Yes-1 per study-1Proceed to 2.6
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No0
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2.6Is the intervention FDA (or national equivalent) approved for use as a hair loss treatment?Yes2020Finish
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No0
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Score89
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Total Score / 10099
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100