NR1H4 and metabolic dysfunction-associated steatohepatitis: DUET was a 12-week, randomized, double-blind, placebo-controlled, multicenter phase 2a study investigating the efficacy, safety and pharmacodynamics and pharmacokinetics of once-daily TERN-501 (THRβ agonist) as monotherapy or combined with TERN-101 (farnesoid X receptor agonist), in patients with presumed MASH.