Participants' global self‐assessment of acne improvement Moderate to excellent improvement (long term: treatment duration > 8 weeks) · participants with acne
Salicylic acid showed no clear difference in participants' global self‐assessment of acne improvement Moderate to… compared with tretinoin (low certainty).
1 finding from 1 review
Treatment withdrawal · participants with acne
1 finding from 1 review
Minor adverse events · participants with acne
It is very uncertain whether salicylic acid changes total number of participants who experienced at least one minor… compared with tretinoin (very low certainty).
1 finding from 1 review
Quality of life AQOL (long term: treatment duration > 8 weeks) · participants with acne
1 finding from 1 review
Participants' global self‐assessment of acne improvement Fair to good improvement (long term: treatment duration > 8 weeks) · participants with acne
Glycolic acid (alpha‐hydroxy acid) showed no clear difference in participants' global self‐assessment of acne improvement Fair to… compared with salicylic‐mandelic acid (low certainty).
1 finding from 1 review
Treatment withdrawal · participants with acne
1 finding from 1 review
Minor adverse events · participants with acne
It is very uncertain whether glycolic acid (alpha‐hydroxy acid) changes total number of participants who experienced at least one minor… compared with salicylic‐mandelic acid (very low certainty).
1 finding from 1 review
Secondary outcome: Dermatology Quality of Life measure · participants with acne
1 finding from 1 review
Participants' global self‐assessment of acne improvement Good or very good improvement (long term: treatment duration > 8 weeks) · participants with acne
Azelaic acid probably leads to lower participants' global self‐assessment of acne improvement Good or… compared with benzoyl peroxide (moderate certainty).
1 finding from 1 review
Treatment withdrawal · participants with acne
Azelaic acid showed no clear difference in withdrawal for any reason (long term: treatment duration > 8 weeks) compared with benzoyl peroxide (low certainty).
1 finding from 1 review
Participants' global self‐assessment of acne improvement Good or very good improvement (long term: treatment duration > 8 weeks) · participants with acne
Azelaic acid showed no clear difference in participants' global self‐assessment of acne improvement Good or… compared with clindamycin (low certainty).
1 finding from 1 review
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
It is very uncertain whether etretinate changes proportion of participants without relapse in the long term (6 months) compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Proportion of participants achieving a 50% reduction in disease severity · chronic palmoplantar pustulosis
Alitretinoin showed no clear difference in proportion of participants achieving a 50% reduction in disease… compared with placebo (moderate certainty).
1 finding from 1 review
Proportion of participants without relapse in the long term ‐ not reported · chronic palmoplantar pustulosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found