Overview

A Study to Evaluate Dose Responses of Efficacy and Safety of ASP0456 in Patient With Chronic Constipation

Status:
Completed
Trial end date:
2015-10-31
Target enrollment:
0
Participant gender:
All
Summary
The objective of this study is to investigate dose-responses of efficacy and safety of ASP0456 in patients with chronic constipation (diagnosed by Rome III criteria of functional constipation (FC), not including constipation due to organic diseases) compared to placebo and to find the appropriate dose for P3 study.
Phase:
Phase 2
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Astellas Pharma Inc
Treatments:
Linaclotide
Criteria
Inclusion Criteria:

- Patient who had SBM* (Spontaneous bowel movement) less than 3 times per week, more
than six months prior to the provisional registration

- *Defecation without procedure of laxative, suppository, enema, or stool
extraction on the day or preceding day of the defecation

- Patient who was affected with one or more following symptoms before more than six
months of provisional registration:

- Straining during at least 25% of defecations

- Lumpy or hard stools in at least 25% of defecations

- Sensation of incomplete evacuation for at least 25% of defecations

- Loose stools are rarely present without the use of laxatives more than six months
prior to the provisional registration.

- Patients who had pancolonoscopy or contrast enema (or sigmoidoscopy) after the onset
of chronic constipation symptom and had no organic changes

Exclusion Criteria:

- Patient who has met IBS-C diagnostic criteria from Rome III more than six months prior
to provisional registration. Meaning that patient who had recurrent abdominal pain or
discomfort at least 3 days/month in last 3 months associated with two or more of the
following, and patient who was affected with following IBS symptoms more than six
months prior to the provisional registration:

- Improvement with defecation

- Onset associated with a change in frequency of stool

- Onset associated with a change in form (appearance) of stool

- Patient with history of surgical resection of stomach, gallbladder, small intestine,
or large intestine (excluding resection of appendicitis and benign polyp)

- Patient with history or current evidence of inflammatory bowel disease (Crohn's
disease or ulcerative colitis)

- Patient with history or current evidence of ischemic colitis

- Patient currently affected by infectious enteritis

- Patient currently affected by hyperthyroidism or hypothyroidism

- Patient with apparent mechanical obstruction (i.e. patient with ileus caused by
hernia)

- Patient with mega colon or mega rectum

- Patient currently affected by constipation due to anorectal dysfunction

- Patient currently affected by drug induced constipation.

- Patient with constipation due to other organic disease

- Patient currently affected by active peptic ulcer

- In the case of a female, the one currently affected by endometriosis or uterine
adenomyosis

- Patient with high depression or anxiety considered to influence drug evaluation

- Patient with history of abuse of drug or alcohol within a year before consent
acquisition, or with current abuse

- Patient who used or underwent or will use or undergo drug/therapy/test prohibited to
combine 3 days before the start of bowel habit observation period (Day -17) or
thereafter (however, patient who used or underwent restricted drug/therapy according
to Protocol may be enrolled provisionally)

- Patient with history or current evidence of malignant tumor

- Patient currently affected by serious cardiovascular disease, respiratory disease,
kidney disease, hepatic disease, gastrointestinal disease (excluding CC), hemorrhagic
disease, or neural/mental disease

- Patient with history of drug allergy