| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Opioid-induced Constipation in Subjects with Non-malignant Chronic Pain Receiving Opioid Therapy | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Opioid-induced Constipation  | 
 
 
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| E.1.1.2 | Therapeutic area  | Body processes [G] - Digestive System and Oral Physiological Phenomena [G10] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 18.0 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10071128 | 
 
| E.1.2 | Term  | Opioid induced constipation | 
 
| E.1.2 | System Organ Class  | 100000004856 | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To assess the long-term safety of naldemedine for the treatment of constipation due to opioid therapy  | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
- To assess  specific effects of naldemedine as detailed in the study protocol
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
-. Subjects aged 18 to 80 years inclusive at the time of informed consent 
 -. Subjects must have non-malignant chronic pain and must have OIC  
 -. Subjects must be treated with a stable opioid regimen at a total daily dose on average of ≥ 30 mg equivalents of oral morphine sulfate 
 -. Subjects may or may not be on a routine laxative regimen at the time of Screening 
 
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| E.4 | Principal exclusion criteria | 
- Evidence of significant structural abnormalities of the gastrointestinal (GI) tract
    a. history of bowel obstructions, strictures 
    b. history of bowel surgery such as bowel resection or bariatric surgeries 
 - Evidence of active medical diseases affecting bowel transit
 - History of pelvic disorders that may be a cause of constipation
 - Surgery (except for minor procedures) within 60 days of Screening
 - History of chronic constipation prior to starting analgesic medication or any potential non-opioid cause of bowel dysfunction that may be a major contributor to the constipation (e.g. mechanical gastrointestinal obstruction) 
 - Subjects who have never taken laxatives for the treatment of OIC
 - Current use of any prohibited medication including opioid antagonists, partial agonists or mixed opioid agonists/antagonists  | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Primary End Point - Safety: The incidence of TAEs, SAEs, and AEs leading to discontinuation. | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
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| E.5.2 | Secondary end point(s) | 
To evaluate  the overall safety and tolerability of naldemedine
 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  Yes  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  No  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  Yes  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 4 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 81 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Australia | 
 
| Austria | 
 
| Belgium | 
 
| Canada | 
 
| Czech Republic | 
 
| Denmark | 
 
| Estonia | 
 
| France | 
 
| Germany | 
 
| Hungary | 
 
| Israel | 
 
| Italy | 
 
| Poland | 
 
| Portugal | 
 
| South Africa | 
 
| Spain | 
 
| Sweden | 
 
| United Kingdom | 
 
| United States | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  Yes  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
| Last Visit Last Subject (LVLS) | 
 
 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 1 | 
| E.8.9.1 | In the Member State concerned months | 6 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial months | 4 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |