Injected intramuscularly, it exhibits distinct properties of an extended-release formulation.

Source: https://www.marketscreener.com/quote/stock/LUYE-PHARMA-GROUP-LTD-16860092/news/Luye-Pharma-China-s-NMPA-Accepts-and-Grants-Priority-Review-Designation-to-the-New-Drug-Applicatio-44487451/?utm_medium=RSS&utm_content=20230801

The company is developing Haduvio, an oral extended-release formulation of nalbuphine, which is in phase IIb/III clinical trial for the treatment of chronic pruritus, chronic cough in patients with idiopathic pulmonary fibrosis.

Source: https://www.dailypolitical.com/2023/01/21/comparing-acerus-pharmaceuticals-otcmktstrlpf-and-trevi-therapeutics-nasdaqtrvi.html

The Phase 1 clinical trial investigating the pharmacokinetics of a once daily, extended-release formulation of camlipixant is ongoing.

Source: https://www.marketscreener.com/quote/stock/BELLUS-HEALTH-INC-64752274/news/BELLUS-Health-Reports-Year-2022-Financial-Results-and-Business-Highlights-43304353/?utm_medium=RSS&utm_content=20230321