Type 2 & other diabetes

A Randomized Placebo-Controlled Trial of HTD1801 Monotherapy in Participants With Type 2 Diabetes

Diabetes CarePublished Randomised controlled trial

Primary result · Change in HbA1c from baselineResult — go to the resultLeast squares mean difference −0.7 % 95% CI −0.8 to −0.5

Authors' conclusion

HTD1801 treatment produced sustained improvements in glycemic, cardiometabolic, and inflammatory parameters

Study context

Population
Adults with T2D inadequately controlled with diet and exercise (≥8 weeks); HbA1c 7.0–10.5% (53–91 mmol/mol), FPG ≤13.9 mmol/Lrandomized 2:1
Participants
271 vs 136
Comparison
HTD1801 1,000 mg BID vs placebo
  • HTD1801n = 271
  • Placebon = 136reference
Primary endpoint
Change from baseline in HbA1c
Follow-up
Week 24
Methodological detailsphase 3, placebo-controlled, double-blind, 28-week open-label extension
  • Phase 3
  • Placebo-controlled
  • Double-blind
  • 28-week open-label extension

Primary result

Change in HbA1c from baseline

Least squares mean difference

−0.7 %

95% CI −0.8 to −0.5

P < 0.0001

Change by group

HTD1801

−1.3

%

Placebo

−0.6

%

HTD1801vs Placebo
least squares mean difference −0.7 % (95% CI −0.8 to −0.5); P < 0.0001

As reported in the abstract

Further findings

Baseline HbA1c

Baseline HbA1c in both groups
8.5% (69 mmol/mol)

Cardiometabolic and inflammatory markers · 24 weeks

Significant improvements in key cardiometabolic and inflammatory markers with HTD1801

Durability of HbA1c reduction · 52 weeks

HbA1c reductions were durable through 52 weeks

Safety

Mild to moderate diarrhea (most common AE)

Mild to moderate diarrhea (most common AE)

Most diarrhea occurred at treatment initiation

Longer-term safety · 56 weeks

Longer-term safety consistent with double-blind trial findings

Original publication

A Randomized Placebo-Controlled Trial of HTD1801 Monotherapy in Participants With Type 2 Diabetes. Diabetes Care. Published 24 August 2026. doi:10.2337/dc26-0739

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