BMJ Open. 2019 Jun 28;9(6):e028578. doi: 10.1136/bmjopen-2018-028578.
Oral insulin therapy for primary prevention of type 1 diabetes in infants with high genetic risk: the GPPAD-POInT (global platform for the prevention of autoimmune diabetes primary oral insulin trial) study protocol.
Ziegler AG1,2, Achenbach P1,2, Berner R3, Casteels K4,5, Danne T6, Gündert M1, Hasford J7, Hoffmann VS1, Kordonouri O6, Lange K8, Elding Larsson H9,10, Lundgren M9, Snape MD11,12, Szypowska A13, Todd JA14, Bonifacio E15; and the GPPAD Study group.
Abstract
INTRODUCTION:
The POInT study, an investigator initiated, randomised, placebo-controlled, double-blind, multicentre primary prevention trial is conducted to determine whether daily administration of oral insulin, from age 4.0 months to 7.0 months until age 36.0 months to children with elevated genetic risk for type 1 diabetes, reduces the incidence of beta-cell autoantibodies and diabetes.
METHODS AND ANALYSIS:
Infants aged 4.0 to 7.0 months from Germany, Poland, Belgium, UK and Sweden are eligible if they have a >10.0% expected risk for developing multiple beta-cell autoantibodies as determined by genetic risk score or family history and human leucocyte antigen genotype. Infants are randomised 1:1 to daily oral insulin (7.5 mg for 2 months, 22.5 mg for 2 months, 67.5 mg until age 36.0 months) or placebo, and followed for a maximum of 7 years. Treatment and follow-up is stopped if a child develops diabetes. The primary outcome is the development of persistent confirmed multiple beta-cell autoantibodies or diabetes. Other outcomes are: (1) Any persistent confirmed beta-cell autoantibody (glutamic acid decarboxylase (GADA), IA-2A, autoantibodies to insulin (IAA) and zinc transporter 8 or tetraspanin 7), or diabetes, (2) Persistent confirmed IAA, (3) Persistent confirmed GADA and (4) Abnormal glucose tolerance or diabetes.
ETHICS AND DISSEMINATION:
The study is approved by the ethical committees of all participating clinical sites. The results will be disseminated through peer-reviewed journals and conference presentations and will be openly shared after completion of the trial.
TRIAL REGISTRATION NUMBER:
© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.
KEYWORDS:
clinical trials; general diabetes; paediatric endocrinology
- PMID:
- 31256036
- DOI:
- 10.1136/bmjopen-2018-028578
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