What do systematic reviews say?

Summary of findings table ‐ Contact immunotherapy (diphencyprone) + hair growth stimulants (minoxidil) vs contact immunotherapy (diphencyprone)

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 30 participants
  Very low

Summary of findings table ‐ Contact immunotherapy (diphencyprone) + hair growth stimulants (minoxidil) vs contact immunotherapy (diphencyprone)

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Oral classical immunosuppressants (prednisolone or cyclosporine) vs placebo

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Contact immunotherapy (diphencyprone) + hair growth stimulants (minoxidil) vs contact immunotherapy (diphencyprone)

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Minoxidil vs placebo

It is very uncertain whether summary of findings table ‐ Topical hair growth stimulants (minoxidil) changes short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of compared with placebo (very low certainty).

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  RR 2.31 [1.34, 3.96]
  2 studies · 202 participants
  Very low

Minoxidil vs placebo

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 304 participants
  Very low

Minoxidil vs placebo

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Minoxidil vs placebo

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Other therapies (cryotherapy) vs other therapies (fractional CO2 laser)

It is very uncertain whether summary of findings table ‐ Other therapies (cryotherapy) changes short‐term hair regrowth ≥ 75% compared with other therapies (fractional CO2 laser) (very low certainty).

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  RR 0.31 [0.11, 0.86]
  1 study · 80 participants
  Very low

Summary of findings table ‐ Other therapies (cryotherapy) vs other therapies (fractional CO2 laser)

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 80 participants
  Very low

Summary of findings table ‐ Other therapies (cryotherapy) vs other therapies (fractional CO2 laser)

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings table ‐ Other therapies (cryotherapy) vs other therapies (fractional CO2 laser)

The review found no eligible studies for this question.

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  17 studies · 22819 participants
  GRADE not reported

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  Low

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 679 participants
  Low

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  12 studies · 7569 participants
  Moderate

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1759 participants
  Moderate

Intervention not reported

The review found no eligible studies for this question.

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 5681 participants
  GRADE not reported

Intervention not reported

• Addition of long‐acting beta2 agonists or long‐acting muscarinic antagonists versus doubling the dose of inhaled… 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1005 participants
  High