By application, the market is segmented into metabolic, oncology, gastrointestinal, neurological, cardiovascular and others. The metabolic segment dominated the peptide therapeutics market share in 2021, accounting owing to high prevalence of metabolic disorders and growing geriatric population susceptible to metabolic disorder. The oncology segment is expected to witness highest CAGR during the forecast period, owing to rise in cases of cancer globally and the presence of a strong product pipeline.