Elobixibat for Chronic Constipation Without Defecation Desire

Patients of chronic constipation without defecation desire will be orally administered elobixibat 10 mg once daily before meals for 4 weeks. The primary endpoint of the pre/post comparative study will be the percentage of improvement in bowel movements from Week 2 of the observation period at Week 4 of the treatment period.

Inclusion Criteria:At the time of provisional registrationPatients diagnosed with chronic constipation using the Rome IV criteria for the diagnosis of chronic constipationAge: 20 years or older (at the time of obtaining consent)Gender: AnyoutpatientsPatients for whom written consent can be obtainedPatients who can record defecation, etc. in the patient diaryAt the time of registration ・Dosing start criteria Patients with the following ・'Loss of defecation desire'* in the second week of the observation period (1 week before the start of the treatment period)*"Loss of defecation desire " refers to patients whose "presence or absence of defecation desire" on the patient questionnaire was "4. almost never" or "5. never".Exclusion Criteria:At the time of temporary registration Exclude patients with any of the following conditionsPatients with organ-related constipation or suspected of having organ-related constipationPatients with or suspected of having functional ileusPatients with or suspected of having inguinal herniaPatients with a history of open abdominal surgery within 12 weeks prior to obtaining consent (excluding appendicitis resection)Patients with a history of surgical or endoscopic procedures related to gallbladder resection and papillotomyPatients with complications of malignancy However, patients who have undergone radical surgery or who have completed chemotherapy or radiotherapy may be registered.Pregnant women, lactating women, women who may be currently pregnant, or patients who cannot give consent to use contraception while participating in the studyPatients with serious renal, hepatic, or cardiac diseasePatients with drug allergy to the study drugPatients who are participating in other clinical studies, or who have participated in other clinical studies within 4 weeks prior to obtaining consent However, observational studies are excluded.Other patients who are judged by the principal investigator or sub-investigator to be inappropriate for this study.At the time of registration、Dosing start criteriaPatients who increased the dose of concomitantly restricted drugs during the observation periodPatients who used concomitantly prohibited drugs during the observation period