Type 2 & other diabetes

Type 2 diabetes subphenotypes are associated with differential outcomes after metabolic and bariatric surgery: An international multicentre retrospective cohort study

Diabetes Obes MetabPublished Retrospective cohort study

Authors' conclusion

T2D subphenotypes respond differently to T2D remission after MBS with SIDD showing a significantly lower remission rate than MOD and SIRD at 2 years. Considering metabolic status in treatment decisions may improve patient outcomes.

Study context

Population
People with T2D undergoing metabolic and bariatric surgery (MBS) at 4 clinical centres, retrospectively assigned to T2D subphenotypes
Participants
233 people
Exposure
T2D subphenotypes: Severe insulin-deficient diabetes (SIDD) vs MOD vs severe insulin-resistant diabetes (SIRD)
Outcome
T2D remission
Follow-up
2 years
Methodological detailsinternational, multicentre, 4 clinical centres
  • International
  • Multicentre
  • 4 clinical centres

Main finding

As reported in the abstract

Diabetes remission

P < 0.001

Observational data: associations, not effects.

Secondary outcomes

Baseline MASH prevalence (intraoperative liver biopsy)

OutcomeMODSIRDSIDDP value
BMISIDD vs MOD and SIRD · lower BMI in SIDD— not stated in the abstract— not stated in the abstract38.3 kg/m²P < 0.001
Beta-cell function (HOMA2-%B)SIDD vs MOD and SIRD · worse beta-cell function in SIDD— not stated in the abstract— not stated in the abstract92.4P = 0.010
HOMA2-IRSIRD vs MOD and SIDD · highest HOMA2-IR in SIRD— not stated in the abstract6.0 ± 3.4— not stated in the abstractP < 0.001

— not stated in the abstract

%TWL

%TWL was similar across subphenotypes

Original publication

Type 2 diabetes subphenotypes are associated with differential outcomes after metabolic and bariatric surgery: An international multicentre retrospective cohort study. Diabetes Obes Metab. Published 8 March 2026. doi:10.1111/dom.70547

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