Type 1 diabetes

Effect of fenofibrate on residual beta cell function in adults and adolescents with newly diagnosed type 1 diabetes: a randomised clinical trial

DiabetologiaPublished Randomised controlled trial

Authors' conclusion

Contrary to the beneficial effects of fenofibrate found in preclinical studies, this longitudinal, randomised, placebo-controlled trial does not support the use of fenofibrate for preserving beta cell function in individuals with newly diagnosed type 1 diabetes.

Study context

Population
Individuals aged 16 to 40 years with newly diagnosed T1D56 analysed
Participants
58 individuals
Comparison
Fenofibrate 160 mg daily oral vs placebo for 52 weeks
  • Fenofibraten = 27
  • Placebon = 29reference
Primary endpoint
Change in beta cell function: AUC for C-peptide following a 2 h mixed-meal tolerance test
Follow-up
52 weeks
Methodological detailsphase 2, placebo-controlled, double-blinded, block randomisation (block size 4, 1:1), Blinding maintained for participants, healthcare providers and outcome staff, Follow-up in vitro experiments in human islets showed a stress-inducing effect of fenofibrate
  • Phase 2
  • Placebo-controlled
  • Double-blinded
  • Block randomisation (block size 4, 1:1)
  • Blinding maintained for participants, healthcare providers and outcome staff
  • Follow-up in vitro experiments in human islets showed a stress-inducing effect of fenofibrate

Primary result

2 h C-peptide

Mean difference

0.08 nmol/l

95% CI −0.05 to 0.23

Between Fenofibrate and Placebo
mean difference 0.08 nmol/l (95% CI −0.05 to 0.23)

As reported in the abstract

Secondary outcomes

OutcomeMean difference (95% CI)P value
PI/C ratio · week 520.024 (0.000–0.048)P < 0.05

Insulin use and glycaemic control · 52 weeks

No significant differences between groups in insulin use or glycaemic control

Blood lipidome · week 52

Fenofibrate repressed pathways in sphingolipid metabolism and signalling vs placebo

Safety

Adverse events · 52 weeks

Serious adverse events
0
Few adverse events

Original publication

Effect of fenofibrate on residual beta cell function in adults and adolescents with newly diagnosed type 1 diabetes: a randomised clinical trial. Diabetologia. Published 30 October 2024. doi:10.1007/s00125-024-06290-6

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