HbA1c ReductionBasal insulin

Clinical evidence dossier

Basal insulin

HbA1c

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
3
Reported effects
6

Clinical conclusion

Basal insulin has a small positive evidence signal for HbA1c, but the clinical interpretation is limited.

The conclusion and evidence-signal classification are distinct authoritative fields and are reproduced as published.

Observed effects

Observed study estimates; not a pooled treatment effect.

Between-group effect

Absolute change

0.75 to 0.75 percentage

1 eligible estimates12–12 weeksObserved median: 0.75 percentage

Change from baseline

Mean difference

-1.5 to -1.5 %

1 eligible estimates12–12 weeksObserved median: -1.5 %

Between-group effect

Mean difference

-0.19 to -0.05 %

2 eligible estimates6–6 weeksObserved median: -0.12 %

Change from baseline

Mean difference

-2.62 to -1.21 mmol/mol

2 eligible estimates12–12 weeksObserved median: -1.915 mmol/mol

Evidence composition

Non-randomized studies
0
Other designs
0
Unresolved designs
0
Magnitude-eligible effects
6

Consistency

Authoritative consistency classification

mostly_consistent

Positive
2
No effect
1
Mixed
0
Negative
0

Population and applicability

Structured population data were available for 3 of 3 supporting studies. 2 studies described participants with type 2 diabetes. 3 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 with type 2 diabetes.
  • Patients currently using basal insulin therapy.
  • Adults diagnosed with type 2 diabetes
  • Patients managing diabetes with lifestyle interventions or insulin therapy

Limitations

  • Evidence uses heterogeneous comparison contexts: active_comparator, placebo, usual_care.
  • 1 supporting study has high, serious, critical, unclear, or unavailable risk-of-bias information.
  • 1 study contains conflicting p-value and significance fields; those significance claims are suppressed.

Supporting evidence

Inspect the authoritative studies and omitted support records for this dossier.

View supporting evidence