Cochrane · systematic review · CD007628

Interventions for female pattern hair loss

van Zuuren, EJ, Fedorowicz, Z, Schoones, J · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

Skin2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
32
current version
GRADE rated
25
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 7 · 21.9%Very low 1 · 3.1%Low 17 · 53.1%Moderate 7 · 21.9%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Minoxidil versus placebo

Population: women with FPHL
CD007628.PUB4 (current) · 8 questions
OutcomeEffectEvidenceStatus / GRADE
The proportion of participants with self‐rated clinically significant hair regrowth at the end of the study
Minoxidil vs placebo
RR 1.93 [1.51, 2.47]6 studies · 1148 participantsModerate
Downgraded: risk of bias
Change in quality of life
Minoxidil vs placebo
no estimate extracted1 study · 260 participantsLow
Downgraded: risk of bias, imprecision
Adverse events
Minoxidil vs placebo
RR 1.24 [0.82, 1.87]4 studies · 727 participantsLow
Downgraded: risk of bias, imprecision
Proportion of participants with investigator‐rated clinically significant hair regrowth at the end of the study
Minoxidil vs placebo
RR 2.35 [1.68, 3.28]7 studies · 1181 participantsModerate
Change from baseline in total hair count
Minoxidil vs placebo
no estimate extracted8 studies · 1242 participantsLow
Downgraded: risk of bias, imprecision, publication bias
Degree of hair shedding from baseline to the end of the study
Minoxidil vs placebo
no estimate extracted3 studies · 380 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Cosmetic appearance of the hair or participant satisfaction
Minoxidil vs placebo
no estimate extracted1 study · 260 participantsLow
Downgraded: risk of bias, imprecision
Change in quality (or pattern) of hair regrowth (e.g. thickness)
Minoxidil vs placebo
no estimate extracted2 studies · 372 participantsLow
Downgraded: risk of bias, imprecision

Minoxidil 2% versus minoxidil 5%

Population: women with FPHL
CD007628.PUB4 (current) · 8 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of participants with self‐rated clinically significant hair regrowth
Minoxidil 2% vs minoxidil 5%
no estimate extracted2 studies · 322 participantsLow
Downgraded: risk of bias, imprecision
Change in quality of life
Minoxidil 2% vs minoxidil 5%
no estimate extracted1 study · 209 participantsLow
Downgraded: risk of bias, imprecision
Adverse events
Minoxidil 2% vs minoxidil 5%
RR 1.02 [0.91, 1.2]4 studies · 1006 participantsLow
Downgraded: risk of bias, inconsistency
Proportion of participants with investigator‐rated clinically significant hair regrowth
Minoxidil 2% vs minoxidil 5%
no estimate extracted3 studies · 586 participantsModerate
Downgraded: risk of bias
Change from baseline to study conclusion in total hair count
Minoxidil 2% vs minoxidil 5%
no estimate extracted3 studies · 631 participantsLow
Downgraded: risk of bias, imprecision
Degree of hair shedding from baseline to the end of the study ‐ not measured
Minoxidil 2% vs minoxidil 5%
no estimate extracted0 studies · 0 participantsUngraded
Cosmetic appearance of the hair or participant satisfaction
Minoxidil 2% vs minoxidil 5%
no estimate extracted2 studies · 322 participantsModerate
Downgraded: risk of bias
Change in quality (or pattern) of hair regrowth (e.g. thickness)
Minoxidil 2% vs minoxidil 5%
no estimate extracted2 studies · 322 participantsModerate
Downgraded: imprecision

Finasteride versus placebo

Population: women with FPHL
CD007628.PUB4 (current) · 8 questions
OutcomeEffectEvidenceStatus / GRADE
The proportion of participants with self‐rated clinically significant hair regrowth at the end of the study
Finasteride vs placebo
RR 0.95 [0.66, 1.37]1 study · 137 participantsLow
Downgraded: risk of bias, imprecision
Change in quality of life ‐ not measured
Finasteride vs placebo
no estimate extracted0 studies · 0 participantsUngraded
Adverse events
Finasteride vs placebo
RR 1.03 [0.45, 2.34]1 study · 137 participantsLow
Downgraded: risk of bias, imprecision
Proportion of participants with investigator‐rated clinically significant hair regrowth
Finasteride vs placebo
RR 0.77 [0.31, 1.9]1 study · 137 participantsLow
Downgraded: risk of bias, imprecision
Change from baseline to study conclusion in total hair count
Finasteride vs placebo
no estimate extracted3 studies · 231 participantsLow
Downgraded: risk of bias, inconsistency
Degree of hair shedding from baseline to the end of the study
Finasteride vs placebo
no estimate extracted1 study · 137 participantsLow
Downgraded: risk of bias, imprecision
Cosmetic appearance of the hair or participant satisfaction
Finasteride vs placebo
RR 0.78 [0.4, 1.53]1 study · 137 participantsLow
Downgraded: risk of bias, imprecision
Change in quality (or pattern) of hair regrowth (e.g. thickness) ‐ not measured
Finasteride vs placebo
no estimate extracted0 studies · 0 participantsUngraded

Low‐level laser comb versus sham device

Population: women with FPHL
CD007628.PUB4 (current) · 8 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of participants with self‐rated clinically significant hair regrowth
Low‐level laser comb vs sham device
no estimate extracted2 studies · 141 participantsModerate
Downgraded: risk of bias, imprecision
Change in quality of life ‐ not measured
Low‐level laser comb vs sham device
no estimate extracted0 studies · 0 participantsUngraded
Adverse events
Low‐level laser comb vs sham device
no estimate extracted2 studies · 141 participantsLow
Downgraded: risk of bias, imprecision
Participants with investigator‐rated clinically significant hair regrowth ‐ not measured
Low‐level laser comb vs sham device
no estimate extracted0 studies · 0 participantsUngraded
Change from baseline to study conclusion in total hair count
Low‐level laser comb vs sham device
no estimate extracted2 studies · 122 participantsLow
Downgraded: risk of bias, imprecision
Degree of hair shedding from baseline to the end of the study ‐ not measured
Low‐level laser comb vs sham device
no estimate extracted0 studies · 0 participantsUngraded
Cosmetic appearance of the hair or participant satisfaction
Low‐level laser comb vs sham device
no estimate extracted2 studies · 141 participantsModerate
Downgraded: risk of bias, imprecision
Change in quality (or pattern) of hair regrowth (e.g. thickness) ‐ not measured
Low‐level laser comb vs sham device
no estimate extracted0 studies · 0 participantsUngraded

Minoxidil compared to placebo for female pattern hair loss

Population: Participants with female pattern hair loss
CD007628.PUB3 · 6 questions
OutcomeEffectEvidenceStatus / GRADE
The proportion of participants with self‐rated clinically significant hair regrowth at the end of the study Assessed on 3‐ and 5‐point scales¹
Minoxidil vs placebo
RR 1.86 [1.42, 2.43]4 studies · 964 participantsLow
Downgraded: risk of bias, imprecision, publication bias
Change in quality of life using any validated and recognised generic or disease‐specific instrument⁴ Not reported
Minoxidil vs placebo
no estimate extractedNRNo studies
Adverse effects: safety and tolerability, and any reported adverse events with 1% minoxidil Laboratory values, blood pressure, participant‐reported adverse effects at recall
Minoxidil vs placebo
RR 1.12 [0.61, 2.06]1 study · 280 participantsModerate
Downgraded: risk of bias, imprecision, publication bias
Adverse effects: safety and tolerability, and any reported adverse events with 2% minoxidil Structured interview, physical examination, and laboratory investigations
Minoxidil vs placebo
RR 1.4 [0.6, 3.27]3 studies · 604 participantsModerate
Downgraded: risk of bias, imprecision, publication bias
Adverse effects: safety and tolerability, and any reported adverse events with 5% minoxidil Structured interview, physical examination, and laboratory investigations
Minoxidil vs placebo
RR 3.55 [1.1, 11.47]1 study · 227 participantsModerate
Downgraded: risk of bias, imprecision, publication bias
Change in total hair count from baseline to the end of the study Hair counts in 1 cm² to 1.5 cm² area
Minoxidil vs placebo
no estimate extracted7 studies · 1166 participantsLow
Downgraded: risk of bias, imprecision, publication bias