Type 2 & other diabetes

Effect of alirocumab on postprandial hyperlipidaemia in patients with type 2 diabetes: A randomized, double‐blind, placebo‐controlled, cross‐over trial

Diabetes Obes MetabPublished Randomised controlled trial

Primary result · iAUC0-8h TG (postprandial hyperlipidaemia)Result — go to the resultDifference −5 % 95% CI −28, +25

Authors' conclusion

Inhibition of PCSK9 by alirocumab did not reduce PPL in T2D, confirming that PCSK9 controls remnant cholesterol catabolism rather than intestinal chylomicron production.

Study context

Population
Male patients with T2D; age 59 ± 9 years, BMI 32.8 ± 5.5 kg/m², HbA1c 6.7 ± 0.5%cross-over
Participants
14 patients
Comparison
Alirocumab 75 mg Q2W vs placebo s/c, 10-week periods, 10-week wash-out
Primary endpoint
Percentage reduction in plasma TG response after an oral fat load (iAUC0-8h TG)
Methodological detailsdouble-blind, placebo-controlled, cross-over
  • Double-blind
  • Placebo-controlled
  • Cross-over

Primary result

iAUC0-8h TG (postprandial hyperlipidaemia)

Difference

−5 %

95% CI −28, +25

P = 0.68

Alirocumabvs Placebo
difference −5 % (95% CI −28, +25); P = 0.68

As reported in the abstract

Secondary outcomes

Fasting lipids and apolipoproteins (change with alirocumab)

Fasting non-HDL cholesterol
−38.5 ± 5.6%, p = 0.0003
Remnant cholesterol
−20.0 ± 13.3%, p = 0.04
apoB100
−21.2 ± 6.4%, p = 0.004
apoE
−15.3 ± 6.6%, p = 0.02

Postprandial nuclear magnetic resonance (NMR) lipoprotein profiling (change with alirocumab)

Postprandial VLDL2 cholesterol
−42% [−55, −25], p < 0.001
IDL cholesterol
−26% [−38, −12], p = 0.0007
No effect on VLDL1 cholesterol or triglyceride (TG) concentrations

Original publication

Effect of alirocumab on postprandial hyperlipidaemia in patients with type 2 diabetes: A randomized, double‐blind, placebo‐controlled, cross‐over trial. Diabetes Obes Metab. Published 5 March 2025. doi:10.1111/dom.16305

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