What do systematic reviews say?

Metformin vs sulphonylureas

The review found no eligible studies for this question.

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Metformin vs thiazolidinediones

The review found no eligible studies for this question.

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Metformin vs dipeptidyl‐peptidase 4 inhibitors

The review found no eligible studies for this question.

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Metformin vs glucagon like peptide‐1 analogues

The review found no eligible studies for this question.

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Metformin vs meglitinides

The review found no eligible studies for this question.

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: pioglitazone monotherapy vs intensive behaviour‐changing intervention

The review found no eligible studies for this question.

• Pioglitazone for prevention or delay of type 2 diabetes mellitus and its associated complications in people at risk… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: pioglitazone monotherapy vs placebo

The review found no eligible studies for this question.

• Pioglitazone for prevention or delay of type 2 diabetes mellitus and its associated complications in people at risk… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: pioglitazone monotherapy vs no intervention

The review found no eligible studies for this question.

• Pioglitazone for prevention or delay of type 2 diabetes mellitus and its associated complications in people at risk… 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Metformin vs insulin

• Metformin monotherapy for adults with type 2 diabetes mellitus 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 91 participants
  Very low

Radioembolisation plus sorafenib vs sorafenib monotherapy

The review found no eligible studies for this question.

• Yttrium-90 microsphere radioembolisation for unresectable hepatocellular carcinoma 2020 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Rituximab (2 x 1000 mg) plus methotrexate vs methotrexate

Rituximab (2 x 1000 mg) plus methotrexate leads to higher health‐related quality of life compared with methotrexate monotherapy (high certainty).

• Rituximab for rheumatoid arthritis 2015 · Cochrane Headline outcomes only
  RR 2 [1.1, 3.4]
  4 studies · 1526 participants
  High

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Insulin monotherapy compared with the addition of oral glucose‐lowering agents to insulin for people with type 2… 2016 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Sulphonylurea monotherapy for patients with type 2 diabetes mellitus 2013 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The review found no eligible studies for this question.

• Sulphonylurea monotherapy for patients with type 2 diabetes mellitus 2013 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

• Sulphonylurea monotherapy for patients with type 2 diabetes mellitus 2013 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 35 participants
  Very low