Peptides have emerged as promising therapeutic molecules due to their high specificity, low toxicity and excellent oral bioavailability. Over the past few decades, numerous peptide drugs have been approved for clinical use and many more are currently in clinical trials. Some of the key approved peptide drugs include insulin, glucagon-like peptide-1 receptor agonists, calcitonin, oxytocin, exenatide and linaclotide that treat conditions like diabetes, osteoporosis, neuropathic pain etc. ... Read more