Clinical evidence dossier
Metformin
BMI
Evidence signal
Authoritative evidence signal
strong
This is an authoritative evidence signal supplied by Clinical Reference. It is not a formal clinical grade, treatment recommendation, or pooled effect estimate.
Evidence snapshot
- Authoritative support records
- 3
- Supporting studies available for review
- 3
- Randomized trials
- 1
- Reported effects
- 8
Clinical conclusion
Metformin shows a moderate positive evidence signal for improving BMI across the studied comparisons.
The conclusion and evidence-signal classification are distinct authoritative fields and are reproduced as published.
Observed effects
Evidence composition
- Non-randomized studies
- 0
- Other designs
- 0
- Unresolved designs
- 2
- Magnitude-eligible effects
- 0
Consistency
Authoritative consistency classification
mostly_consistent
- Positive
- 2
- No effect
- 1
- Mixed
- 0
- Negative
- 0
Population and applicability
Structured population data were available for 2 of 3 supporting studies. 1 study described participants with type 2 diabetes. 2 studies described adult participants.
This population information refers to the materialized supporting studies available for review. Omitted support records remain part of the authoritative support accounting and are available through the audit experience.
View reported population descriptions
These descriptions are reported across the supporting studies; they are not a single synthesized population.
- Young Adult (19–39)
- Middle Aged (40-64)
- Male
- Female
- with T2 Diabetes
- Adults newly diagnosed with Type 2 diabetes.
- Patients seeking pharmacological management for diabetes.
Limitations
- 2 relevant studies have unresolved authoritative design evidence and do not contribute to design-specific or RoB-specific claims.
- 2 supporting studies do not have a displayable topic-matched quantitative effect.
- 1 supporting study lacks usable structured population information.
- 2 supporting studies have high, serious, critical, unclear, or unavailable risk-of-bias information.
Supporting evidence
Inspect the authoritative studies and omitted support records for this dossier.