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What do systematic reviews say?

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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews · Skin

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 33.3%Low 0 · 0%Moderate 2 · 66.7%High 0 · 0%

ALA‐PDT vs blue light only

Investigator‐assessed change in inflamed lesions (ILs) Lesion counts · Moderate and severe acne vulgaris
1 finding from 1 review
  • Light therapies for acne 2016 · Cochrane Headline outcomes only
    no estimate extracted
    1 study · 266 participants
    Very low

MAL‐PDT vs red light only

Investigator‐assessed change in inflamed lesions (ILs) Lesion counts · Moderate and severe acne vulgaris
1 finding from 1 review
  • Light therapies for acne 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 360 participants
    Moderate

MAL‐PDT vs red light only

Investigator‐assessed change in non‐inflamed lesions (NILs) Lesion counts · Moderate and severe acne vulgaris
1 finding from 1 review
  • Light therapies for acne 2016 · Cochrane Headline outcomes only
    no estimate extracted
    3 studies · 360 participants
    Moderate