GLP1R and obesity due to melanocortin 4 receptor deficiency: Trials of glucagon-like peptide-1 receptor agonist (GLP-1 RA), semaglutide, and dual glucose-dependent insulinotropic polypeptide receptor agonist/GLP-1 RA, tirzepatide, for HFpEF with obesity, observed an impact on HF hospitalization events and quality of life.