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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00576511
Other study ID # PRU-BEL-6
Secondary ID
Status Completed
Phase Phase 2
First received December 17, 2007
Last updated May 28, 2008
Start date December 1994
Est. completion date February 1996

Study information

Verified date December 2007
Source Movetis
Contact n/a
Is FDA regulated No
Health authority Belgium: Institutional Review Board
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine whether prucalopride is safe and effective in patients with severe chronic constipation.


Description:

This is a phase II trial with a parallel-group design, consisting of a run-in phase (phase I), followed by a placebo controlled double-blind phase (phase 2). Patients will receive either R093877 4 mg or placebo o.d. for a period of 4 weeks.

Phase 1 is a run-in period of 4 weeks duration, during which the bowel habit is documented and the existence of constipation determined. If the definition of constipation was not met during the 4 weeks of the run-in period, double-blind treatment will not be started.

Phase 2 is a double-blind, randomized, placebo-controlled phase, in which patients will be treated for 4 weeks with either 4 mg of R093877 or placebo given o.d. (two capsules of 2 mg are taken before breakfast).


Recruitment information / eligibility

Status Completed
Enrollment 53
Est. completion date February 1996
Est. primary completion date February 1996
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- Patients were eligible for inclusion if they were aged 18-75 years with a history of constipation, defined as the occurrence 2 of the following criteria during the previous 6 months or more:

- 2 spontaneous (i.e. not induced by a laxative within 24 hours) bowel movements per week;

- 25% of stools were lumpy and/or hard;

- sensation of incomplete evacuation following 25% of stool;

- straining at defaecation for 25% of the time.

All the patients screened for the study were dependent on osmotic laxatives (macrogol, milk of magnesia, lactulose), paraffin oil, glycerol or stimulant laxatives (antranoids, diphenylmethanes) given orally or rectally. The osmotic laxatives were taken on a daily base while the stimulant laxatives were restricted to 2, eventually 3 intakes per week. And although these laxatives, all or not combined promoted defaecation in the majority of patients, these regimens did not provide relief of constipation symptoms in none of the patients. Furthermore, many patients reported that the effect of the laxatives declined over time, that the intake of even stimulant laxatives was not consistently followed by rectal evacuation or that the intake of even stimulant laxatives was not consistently followed by rectal evacuation of that the dose and frequency of intake of laxatives had to be limited because of intolerable side effects including vomiting and abdominal cramps.

Eligible patients were also required to have constipation causing disability, with the patient's occupational, social and recreational activities governed by constipation and efforts to attain relief, and to have poor results with laxative treatment and diet counseling as determined by physician interview.

Patients also had to have a normal electromyographic inhibition pattern of the external anal sphincter during straining (assessed at the start of the treatment phase) and an absence of organic abnormalities of the colon (as assessed by barium enema or total colonoscopy).

Exclusion Criteria:

- Drug-induced constipation

- Secondary causes of constipation

- Known or suspected organic large bowel disorders

- Congenital or acquired megacolon/megarectum

- History of previous abdominal surgery

- Evidence of a non-relaxing pelvic floor as the main cause of constipation

- Active proctological conditions

- Impaired renal function or clinically significant abnormalities of blood chemistry, hematology, urinalysis or ECG.

- Patients who were pregnant, breast feeding, not using acceptable methods of birth control or who had known illnesses or conditions that might interfere with adequate assessment of the study drug were also excluded.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
prucalopride
4 mg o.d.
placebo
Placebo o.d.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Movetis

References & Publications (1)

Coremans G, Kerstens R, De Pauw M, Stevens M. Prucalopride is effective in patients with severe chronic constipation in whom laxatives fail to provide adequate relief. Results of a double-blind, placebo-controlled clinical trial. Digestion. 2003;67(1-2):8 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Constipation severity (VAS) 4 weeks No
Secondary Stool frequency (stool/week) 4 weeks No
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