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PDE3B in Metabolic Regulation

NCT06533007 · Status: ENROLLING_BY_INVITATION · Type: OBSERVATIONAL · Enrollment: 40

Last updated 2025-11-24

No results posted yet for this study

Summary

Phosphodiesterase 3B (PDE3B), an enzyme responsible for the degradation of cyclic AMP and GMP (two important second messengers used for intracellular signal transduction), has been associated with cardiometabolic outcomes. Results from animal studies indicate that abolishing PDE3B function may be associated with unfavourable metabolic profile; however, preliminary human studies suggest that heterozygous loss of function (LoF) variants in the PDE3B gene have been associated with cardiometabolic improvements. Therefore, the effect of PDE3B on human adipose tissue metabolic pathways remains poorly understood.

Accordingly, the investigators propose to conduct a recall-by-genotype, case-control study in a group of people with LoF variants in the PDE3B gene and a matched group without the variant (wild type, WT) to determine differences on key metabolic features: 1) adipose tissue biology (i.e., mitochondrial function, adipocyte morphology, gene expression and in vivo lipolysis in the basal and/or the insulin-stimulated state); 2) systemic lipid and glucose metabolism using the hyperinsulinemic-euglycemic clamp procedure.

The proposed investigations will elucidate the role of PDE3B on adipose tissue and systemic glucose and lipid metabolism in humans and whether modulating PDE3B activity constitutes a target for the prevention and treatment of cardiometabolic disease.

Conditions

Sponsors & Collaborators

Eligibility

Min Age
21 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-09-01
Primary Completion
2028-09-30
Completion
2029-09-30

Countries

  • United Kingdom

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06533007 on ClinicalTrials.gov