NCT01622972

Brief Summary

The University of Nottingham have been developing new, non-invasive magnetic resonance imaging (MRI) techniques to image the bowel. Building on those studies the investigators want to study, in healthy volunteers, the effects of purging on the colon. The investigators plan two studies using their novel MRI techniques in healthy volunteers to demonstrate how doses of a preparation designed to clean the bowel alters small and large bowel water content and transit. The investigators will also define the changes induced in colonic microbiota and how these are linked to changes in transit and the structure of colonic contents. This experimental model is comparable to an episode of acute diarrhea, therefore this study will also improve their understanding of the effects of diarrhea on bowel physiology. Following from the above study, the investigators would like to extend this study on patients who have functional constipation and previously have not responded to conventional laxatives.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
72

participants targeted

Target at P25-P50 for phase_4

Timeline
Completed

Started Sep 2011

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2011

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

June 15, 2012

Completed
4 days until next milestone

First Posted

Study publicly available on registry

June 19, 2012

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2014

Completed
Last Updated

April 14, 2014

Status Verified

April 1, 2014

Enrollment Period

2.4 years

First QC Date

June 15, 2012

Last Update Submit

April 11, 2014

Conditions

Outcome Measures

Primary Outcomes (2)

  • Effect of 1 or 2 litre of Moviprep on area under curve (AUC) small bowel water content 0-6 hours on healthy volunteers

    Healthy Volunteers

    up to 24 hours

  • To assess area under curve of small bowel water content following 1litre of Moviprep on patients with constipation

    Patients with constipation

    up to 6 hours

Secondary Outcomes (12)

  • Effect of 2 different dosing regimens of Moviprep on cleansing of the colon as assessed from colonic contents on the last scan at the end of purgation

    up to 24 hours

  • Effect of 2 different dosing regimens of Moviprep on the time course of the intestinal water content

    6 weeks

  • Effect of 2 different dosing regimens of Moviprep on the time course of the ascending colon total chyme volume

    6 weeks

  • Effect of 2 different dosing regimens of Moviprep on the time course of the Colonic motility index 'cine' MRI movies

    6 weeks

  • Effect of 2 different dosing regimens of Moviprep on the time course of the transit assessment from mean position of marker capsules

    6 weeks

  • +7 more secondary outcomes

Study Arms (3)

Group 1

EXPERIMENTAL

Healthy volunteers in Group 1: To give sachet's A and B made up to 1 litre with tap water once on day 1 and once on day 2

Drug: Polyethyleneglycol

Group 2

EXPERIMENTAL

Healthy volunteers in group 2: To give 2x sachet's A and B made up to 2 litres with tap water on day 1.

Drug: Polyethyleneglycol

Group 3

EXPERIMENTAL

Patients with functional constipation and irritable bowel syndrome characterized by constipation: To give sachet's A and B made up to 1 litre with tap water once on day 1

Drug: Polyethyleneglycol

Interventions

Group 1 sachet's A and B made up to 1 litre with tap water once on day 1 and once on day 2. Group 2 2x sachet's A and B made up to 2 litres with tap water on day 1. Group 3 sachet's A and B made up to 1 litre with tap water once on day 1.

Also known as: Macrogol 3350, Moviprep
Group 1Group 2Group 3

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female healthy volunteers who are 18-65 years
  • BMI 18-28 kg/m2
  • Able to give voluntary written informed consent to participate in the study
  • Able to understand the requirements of the study, including anonymous publication, and agree to co-operate with the study procedures
  • Male or female who are 18-65 years
  • BMI 18-30 kg/m2
  • Able to give voluntary written informed consent to participate in the study
  • Able to understand the requirements of the study, including anonymous publication, and agree to co-operate with the study procedures
  • Patient diagnosed with constipation predominant irritable bowel syndrome who failed to respond to at least 1 laxative treatment in the past
  • Patient diagnosed with functional constipation who failed to respond to 1-2 sachets of Movicol per day

You may not qualify if:

  • Any history of serious acute or chronic illness especially gastrointestinal
  • Diabetes Mellitus
  • Pregnancy or breast feeding
  • Smoking
  • Unsuitable for MRI scanning (i.e. have metal implants or a pace maker)
  • Regular use of medication interfering with gastrointestinal function including opiates or constipating drugs
  • Subjects using the oral contraceptive pill will be excluded if not prepared to use an alternative barrier method of contraception for the duration of the menstrual cycle following dosing with Moviprep
  • Substance abuse
  • Have taken part in another clinical study within the previous 3 months
  • Previous gastrointestinal surgery of any kind apart from appendicectomy
  • Any history of serious acute or chronic illness especially gastrointestinal
  • Diabetes Mellitus
  • Pregnancy or breast feeding
  • Unsuitable for MRI scanning (i.e. have metal implants or a pace maker)
  • Regular use of medication interfering with gastrointestinal function including opiates or constipating drugs
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Nottingham Digestive Diseases Centre, University of Nottingham

Nottingham, NG7 2UH, United Kingdom

Location

MeSH Terms

Interventions

polyethylene glycol 3350MoviPrep

Study Officials

  • Robin Spiller, MD FRCP

    University of Nottingham

    STUDY DIRECTOR
  • Ching Lam, MBChB MRCP

    University of Nottingham

    PRINCIPAL INVESTIGATOR
  • Klara Garsed, MBChB MRCP

    University of Nottingham

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 15, 2012

First Posted

June 19, 2012

Study Start

September 1, 2011

Primary Completion

February 1, 2014

Study Completion

February 1, 2014

Last Updated

April 14, 2014

Record last verified: 2014-04

Locations