NCT01096290

Brief Summary

Constipation from medications is a serious and common condition. Lubiprostone has properties that make it a candidate drug. One hundred volunteers with constipation who are taking medications known to cause constipation will be randomized to take lubiprostone or placebo for 28 days. Therapeutic outcome will be evaluated by investigator and study subject assessment.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
23

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Apr 2010

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
terminated

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 22, 2010

Completed
9 days until next milestone

First Posted

Study publicly available on registry

March 31, 2010

Completed
1 day until next milestone

Study Start

First participant enrolled

April 1, 2010

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2012

Completed
8 years until next milestone

Results Posted

Study results publicly available

September 9, 2020

Completed
Last Updated

November 20, 2020

Status Verified

November 1, 2020

Enrollment Period

2.4 years

First QC Date

March 22, 2010

Results QC Date

December 1, 2017

Last Update Submit

November 4, 2020

Conditions

Keywords

constipationlubiprostonehealthy volunteers

Outcome Measures

Primary Outcomes (1)

  • Relief of Constipation Defined by Modified ROME Criteria

    Subjects will report symptoms by questionnaire

    30 days

Secondary Outcomes (1)

  • Frequency

    30 days

Study Arms (2)

Lubiprostone 24mcg BID for 30 days

EXPERIMENTAL

Active medication

Drug: lubiprostone

Placebo

PLACEBO COMPARATOR

Placebo, matched, blinded

Drug: Matched placebo

Interventions

24mcg BID, capsule, oral 30days

Also known as: Amitiza
Lubiprostone 24mcg BID for 30 days

Twice daily for 30days, oral

Also known as: Placebo, sugar pill
Placebo

Eligibility Criteria

Age19 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult male or female outpatient age 19 or older.
  • Patients meet International Congress of Gastroenterology (ROME III) clinical criteria for constipation\*:
  • Must include two or more of the following:
  • Straining in \> 1/4 defecations;
  • Lumpy or hard stools \> 1/4 defecations;
  • Sensation of incomplete evacuation in 1/4 defecations;
  • Sensation of anorectal obstruction/blockage in \> 1/4 defecations;
  • \<3 defecations/week.
  • Loose stools are rarely present without the use of laxatives.
  • There are insufficient criteria for irritable bowel syndrome. \*Criteria fulfilled for the last 3 months with symptom onset at least 6 months prior to diagnosis.
  • Use of one or more of listed medications known to cause constipation.
  • Study subjects must not have received lubiprostone for more than 72 hours.
  • Written informed consent.

You may not qualify if:

  • Known or suspected obstruction, gastric retention, ileus, perforation, fecal impaction or inflammatory bowel disease.
  • Severe diarrhea.
  • Prior small bowel or colonic resection or colostomy.
  • Weight \< 80 lbs.
  • If the patient has constipation that according to the investigator's clinical judgment is not the result of constipating medications but is suffering from a secondary cause including but limited to factors that are dietary, neurologic, congenital, diabetic or hypothyroid.
  • Positive stool hemoccult (Can be included if colonoscopic evaluation is subsequently negative).
  • Significant cardiac, renal or hepatic insufficiency.
  • Pregnant or expecting to become pregnant within 120 days of study enrollment.
  • Lactating or breast feeding.
  • Subjects using opioid medications.
  • Subjects who in the opinion of the investigator would be unable to comply adequately with the study plan.
  • Use of investigational drugs in the last 30 days.
  • Patients with known allergy to lubiprostone.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

USA Pavilion at Infirmary West

Mobile, Alabama, 36693, United States

Location

MeSH Terms

Conditions

Constipation

Interventions

LubiprostoneSugars

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

AlprostadilFatty Acids, MonounsaturatedFatty Acids, UnsaturatedFatty AcidsLipidsCarbohydrates

Limitations and Caveats

100 participants were needed to obtain statistical power. Only 23 participants were enrolled. Therefore, data analysis was not completed since a success rate could not be adequately demonstrated on such a small sample.

Results Point of Contact

Title
Jack DiPalma, MD
Organization
University of South Alabama

Study Officials

  • Jack A DiPalma, M.D.

    University of South Alabama College of Medicine

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 22, 2010

First Posted

March 31, 2010

Study Start

April 1, 2010

Primary Completion

September 1, 2012

Study Completion

September 1, 2012

Last Updated

November 20, 2020

Results First Posted

September 9, 2020

Record last verified: 2020-11

Locations