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Lexicon Pharmaceuticals Provides Update on Baseline Patient Characteristics for Pivotal Phase 3 SONATA-HCM Study of Sotagliflozin in Symptomatic Hypertrophic Cardiomyopathy

$LXRXPress releaseOct 23, 2026, 8:30 AM ETRead the release

Lexicon Pharmaceuticals provided baseline patient characteristics for the pivotal Phase 3 SONATA-HCM study of sotagliflozin in symptomatic hypertrophic cardiomyopathy, with no efficacy data disclosed. The trial enrolled 542 patients across more than 130 sites in 20 countries, exceeding its 500-patient target, including 440 with non-obstructive and 102 with obstructive HCM. Mean baseline KCCQ-CSS of 59 indicates substantial symptom burden at study entry. Enrollment demographics were consistent with prior studies of other HCM agents, which the company says supports the study's relevance and statistical power.

Key figures

Drug Name
sotagliflozin
Phase Of Trial
Phase 3
Sites
more than 130
Countries
20
Nhcm patients
440
Ohcm patients
102
Topline timing
Q1 2027
Primary endpoint
change from baseline in KCCQ-CSS at Week 26
Patients enrolled
542
Target enrollment
500
Mean baseline kccq css
59

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