Obesity

A randomized Phase I study of the safety, tolerability, pharmacokinetics and pharmacodynamics of BI 456906, a dual glucagon receptor/glucagon‐like peptide‐1 receptor agonist, in healthy Japanese men with overweight/obesity

Diabetes Obes MetabPublished Randomised controlled trial

Authors' conclusion

BI 456906 showed no unexpected tolerability concerns and it reduced placebo-corrected bodyweight by up to 12.37% in Japanese men with overweight/obesity after 16 weeks of treatment.

Study context

Population
Healthy Japanese men with overweight/obesity, BMI 23 to 40 kg/m²treated
Participants
36 men
Comparison
BI 456906 vs placebo
  • DG 1n = 9
  • DG 2n = 9
  • DG 3n = 9
  • Placebon = 9reference
Methodological detailsphase I, placebo-controlled, multiple rising doses
  • Phase I
  • Placebo-controlled
  • Multiple rising doses

Primary result

As reported in the abstract

Placebo-corrected bodyweight change · 16 weeks

DG 1

−5.57%

DG 2

−12.37%

DG 3

−9.62%

Placebo

+1.06%

Further findings

Pharmacokinetics

BI 456906 exposure increased with dose and dose escalation in each DG

Paracetamol absorption · Week 1

Decreased for DGs 2 and 3, indicating transient delayed gastric emptying

Plasma alanine and glucagon

Reduced by BI 456906, indicating indirect target engagement at GCGRs and GLP-1Rs

Safety

OutcomeDG 1DG 2DG 3Placeboevents
Withdrawal from dose escalation due to adverse events22.2%66.7%22.2%0
Drug-related adverse events— not stated in the abstract— not stated in the abstract— not stated in the abstract4

— not stated in the abstract

Withdrawal from dose escalation due to adverse events — Overall BI 456906 withdrawals
10 (37.0%)
Withdrawal from dose escalation due to adverse events — Amylase increase
n = 1
Withdrawal from dose escalation due to adverse events — Decreased appetite
n = 9
Drug-related adverse events — Most frequent: decreased appetite
n = 24, 66.7%

Drug-related adverse events

Reported for all participants receiving BI 456906

Original publication

A randomized Phase I study of the safety, tolerability, pharmacokinetics and pharmacodynamics of BI 456906, a dual glucagon receptor/glucagon‐like peptide‐1 receptor agonist, in healthy Japanese men with overweight/obesity. Diabetes Obes Metab. Published 27 April 2023. doi:10.1111/dom.15064

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