Opioid Induced Constipation Treatment Market to Touch US$4.8 bn by 2023, Muopioid Receptor Antagonist to be Fastestgrowing Segment Transparency Market Research has published a new market report titled, “Opioid Induced Constipation Treatment Market Global Industry Analysis, Size, Share, Growth, Trends, and Forecast 2015 - 2023�. According to the report, the global opioid induced constipation treatment market was valued at US$0.4 bn in 2014 and is anticipated to expand at a CAGR of 31.2% from 2015 to 2023 to reach US$4.8 bn by 2023. The report provides detailed analysis of current and emerging drugs for opioid induced constipation treatment, and the market is estimated based on type of drug class and dosage form of the drugs. Drug classes include mu-opioid receptor antagonist, chloride channel activator, and others based on their mechanism of action. Based on dosage form of drugs, the market has been segmented into solid, semi-solid, and liquid. The chloride channel activator segment accounted for the largest share of the opioid induced constipation treatment market in 2014 due to first approval and launch of Amitiza in major countries. However, mu-opioid receptor antagonist was the fastest growing segment due to recent launch of the new drug