Type 2 & other diabetes

Second-Line Pharmaceutical Treatments for Patients with Type 2 Diabetes

JAMA Netw OpenPublished Retrospective cohort study

An erratum to this article was published (JAMA Netw Open, 1 Nov 2023 ↗)

Authors' conclusion

These findings highlight familiar medication patterns, including those mirroring randomized clinical trials, as well as providing new insights underscoring the value of robust clinical data analytics in swiftly generating evidence to help guide treatment choices in diabetes.

Study context

Population
Patients with diabetes on metformin newly prescribed a second-line agent, University of California Health system EHRs; 5-year monitoring; mean (SD) age 61.4 (12.6) years, 52.2% male
Participants
31,852 new users
Exposure
SU, DPP-4i, SGLT2i or GLP-1 RA added to metformin monotherapy
Outcome
Time to metabolic failure (HbA1c ≥7.0%)
Methodological detailsmulticenter, new user, multidimensional propensity score-matched, target trial emulation, leave-one-medical-center-out (LOMCO) sensitivity analysis, Data analyzed between January 2022 and April 2023
  • Multicenter
  • New user
  • Multidimensional propensity score-matched
  • Target trial emulation
  • Leave-one-medical-center-out (LOMCO) sensitivity analysis
  • Data analyzed between January 2022 and April 2023

Main finding

As reported in the abstract

Subdistribution hazard ratio (95% CI)
SGLT2Ivs SulfonylureaI2 = 37.5%
0.75(0.69–0.83)
DPP4Ivs SulfonylureaI2 = 0%
0.79(0.75–0.84)
GLP1RAvs SulfonylureaI2 = 23.6%
0.62(0.57–0.68)
SGLT2Ivs GLP1RAI2 = 47.3%; no LOMCO; reported as no significant difference
1.26(1.12–1.42)
SGLT2Ivs DPP4II2 = 0%; no significant difference
0.97(0.90–1.04)

Observational data: associations, not effects.

Further findings

OutcomesHR (95% CI)
Cardiovascular eventsDPP4Ivs SulfonylureaI2 = 0%0.84 (0.74–0.96)
Cardiovascular eventsSGLT2Ivs SulfonylureaI2 = 0%0.78 (0.62–0.98)
CKDGLP1RAvs SulfonylureaI2 = 0%0.75 (0.6–0.94)
CKDSGLT2Ivs SulfonylureaI2 = 0%0.77 (0.61–0.97)
Kidney failureGLP1RAvs SulfonylureaI2 = 9.1%0.69 (0.56–0.86)
Kidney failureSGLT2Ivs SulfonylureaI2 = 0%0.72 (0.59–0.88)
HypertensionGLP1RAvs SulfonylureaI2 = 0%0.82 (0.68–0.97)
HypertensionSGLT2Ivs SulfonylureaI2 = 38.5%0.73 (0.58–0.92)
Indicators of chronic hepatic dysfunctionSGLT2Ivs DPP4II2 = 0%0.68 (0.49–0.95)
Indicators of chronic hepatic dysfunctionSGLT2Ivs GLP1RAI2 = 0%0.66 (0.48–0.91)
Indicators of chronic hepatic dysfunctionSGLT2Ivs SulfonylureaI2 = 0%0.60 (0.44–0.81)

Safety

OutcomesHR (95% CI)
New incidence of hypoglycemiaDPP4Ivs SulfonylureaI2 = 22.7%0.48 (0.36–0.65)

Original publication

Second-Line Pharmaceutical Treatments for Patients with Type 2 Diabetes. JAMA Netw Open. Published 2 October 2023. doi:10.1001/jamanetworkopen.2023.36613

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