What do systematic reviews say?

Adults: prednisolone vs dexamethasone

It is very uncertain whether adults: prednisolone changes new exacerbation during compared with dexamethasone (very low certainty).

• Different oral corticosteroid regimens for acute asthma 2016 · Cochrane Headline outcomes only
  OR 1.32 [0.39, 4.47]
  1 study · 200 participants
  Very low
• Different oral corticosteroid regimens for acute asthma 2016 · Cochrane Headline outcomes only
  OR 1.85 [0.43, 7.96]
  1 study · 200 participants
  Very low

Adults: prednisolone vs dexamethasone

It is very uncertain whether adults: prednisolone changes re‐admission during compared with dexamethasone (very low certainty).

• Different oral corticosteroid regimens for acute asthma 2016 · Cochrane Headline outcomes only
  OR 0.35 [0.04, 3.47]
  1 study · 200 participants
  Very low

Adults: prednisolone vs dexamethasone

Adults: prednisolone showed no clear difference in asthma symptoms Returned to normal activities within 3 days compared with dexamethasone (low certainty).

• Different oral corticosteroid regimens for acute asthma 2016 · Cochrane Headline outcomes only
  OR 0.44 [0.19, 1.01]
  1 study · 191 participants
  Low

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 112 participants
  Low

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 40 participants
  Very low

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 96 participants
  Very low

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 96 participants
  Very low

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Intervention not reported

• Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: a network meta‐analysis 2020 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

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

It is very uncertain whether summary of findings table ‐ Oral classical immunosuppressants… 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 4.68 [0.57, 38.27]
  2 studies · 79 participants
  Very low

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

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 79 participants
  Very low

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

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 36 participants
  Very low

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 ‐ Oral classical immunosuppressants (betamethasone) vs oral classical immunosuppressants (azathioprine, methotrexate, prednisolone)

Summary of findings table ‐ Oral classical immunosuppressants… showed no clear difference in short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of compared with oral classical immunosuppressants (azathioprine, methotrexate,… (low certainty).

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  RR 1.67 [0.96, 2.88]
  2 studies · 80 participants
  Low

Summary of findings table ‐ Oral classical immunosuppressants (betamethasone) vs oral classical immunosuppressants (azathioprine, methotrexate, prednisolone)

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 154 participants
  Very low