NCT02695719

Brief Summary

The purpose of this study was to evaluate the efficacy and safety of oral administration of lubiprostone 24 μg twice daily (BID) for 4 weeks in participants with chronic idiopathic constipation (CIC) compared with placebo.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
156

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Apr 2016

Shorter than P25 for phase_3

Geographic Reach
1 country

5 active sites

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

First Submitted

Initial submission to the registry

February 25, 2016

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 1, 2016

Completed
1 month until next milestone

Study Start

First participant enrolled

April 14, 2016

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 20, 2017

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

February 24, 2017

Completed
1.8 years until next milestone

Results Posted

Study results publicly available

December 31, 2018

Completed
Last Updated

December 31, 2018

Status Verified

June 1, 2018

Enrollment Period

9 months

First QC Date

February 25, 2016

Results QC Date

January 19, 2018

Last Update Submit

June 20, 2018

Conditions

Keywords

Drug therapy

Outcome Measures

Primary Outcomes (1)

  • Spontaneous Bowel Movement (SBM) Frequency at Week 1

    A SBM was defined as any bowel movement (BM) that does not occur within 24 hours after rescue medication use (laxative, suppository, or enema). Participants will be given a diary to complete at home where they will record all details of each SBM including the consistency of the stool and the difficulty they have in passing it.

    Week 1

Secondary Outcomes (6)

  • SBM Frequency at Weeks 2, 3 and 4

    Weeks 2, 3 and 4

  • Percentage of Participants Who Had a SBM Within 24 Hours After the First Dose of Study Medication

    Up to 24 hours after the first dose of study medication

  • Mean Degree of Straining Score

    Weeks 1, 2, 3 and 4

  • Mean Degree Stool Consistency Score

    Weeks 1, 2, 3 and 4

  • Weekly Abdominal Symptoms Score

    Weeks 1, 2, 3 and 4

  • +1 more secondary outcomes

Study Arms (2)

Lubiprostone 24 μg

EXPERIMENTAL

Lubiprostone 24 μg, capsules, orally, twice daily, under fed conditions, for 4 weeks.

Drug: Lubiprostone

Placebo

PLACEBO COMPARATOR

Lubiprostone placebo-matching capsules, orally, twice daily, under fed conditions, for 4 weeks.

Drug: Placebo

Interventions

Lubiprostone placebo-matching capsules

Placebo

Lubiprostone capsules

Also known as: AMITIZA
Lubiprostone 24 μg

Eligibility Criteria

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

You may qualify if:

  • In the opinion of the investigator, the participant is capable of understanding and complying with protocol requirements.
  • The participant or, when applicable, the participant's legally acceptable representative signs and dates a written, informed consent form and any required privacy authorization prior to the initiation of any study procedures.
  • Has had 1 or more of the symptoms associated with SBM (described below) for 6 months or longer at the start of Screening:
  • Scybalum stool or hard feces in at least 1 out of every4 bowel movements.
  • Sensation of incomplete evacuation in at least 1 out of every 4 bowel movements.
  • Straining in at least 1 out of every 4 bowel movements.
  • Rarely has loose stools without the use of laxatives.
  • Is willing and able to keep a diary on his/her own and willing and able to complete a questionnaire.
  • Is male or female and aged 19 years or older, at the time of signing an informed consent.
  • A female participant of childbearing potential who is sexually active agrees to use routinely adequate contraception from signing of informed consent throughout the duration of the study and 14 days after the last dose of study drug.

You may not qualify if:

  • Has received any investigational compound within 30 days prior to Screening.
  • Has received lubiprostone in a previous clinical study or as a therapeutic agent.
  • Is an immediate family member, study site employee, or is in a dependent relationship with a study site employee who is involved in conduct of this study (eg, spouse, parent, child, sibling) or may consent under duress.
  • Has, in the judgment of the investigator, clinically significant abnormal hematological parameters of hemoglobin, hematocrit, or erythrocytes at Screening.
  • Has a history or clinical manifestations of significant mechanical obstruction (intestinal obstruction due to tumor, hernia etc).
  • Has a history of hypersensitivity or allergies to lubiprostone or any of its excipients.
  • Has a history of drug abuse (defined as any illicit drug use) or a history of alcohol abuse within 1 year prior to the Screening Visit.
  • Is required to take excluded medications.
  • If female, the participant is pregnant or lactating or intending to become pregnant before, during, or within 1 month after participating in this study; or intending to donate ova during such time period.
  • Participant whose constipation is considered to be due to drugs or to whom a prohibited concomitant medication has been administered.
  • Is having chronic constipation due to a secondary cause (medications, diabetes mellitus, hypothyroidism, depression, etc.)
  • Has sufficient criteria for irritable bowel syndrome (IBS) or functional defecation disorder.
  • Participant whose SBM frequency is 3 or more per week.
  • Participant whose SBM frequency has been less than 3 times per week for less than 6 months in duration or whose symptoms associated with SBM have been present for less than 6 months (hard feces, sensation of incomplete evacuation, or straining).
  • Has received treatment with a rescue medication within 24 hours prior to the first dose in the morning of Day 1: bisacodyl suppository, which is a standard laxative, glycerin enema, or any other rescue medication.
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

Unknown Facility

Cheonan-si, Chungcheongnam-do, South Korea

Location

Unknown Facility

Seongnam-si, Gyeonggi-do, South Korea

Location

Unknown Facility

Iksan-si, Jeollabuk-do, South Korea

Location

Unknown Facility

Daejeon, South Korea

Location

Unknown Facility

Seoul, South Korea

Location

MeSH Terms

Interventions

Lubiprostone

Intervention Hierarchy (Ancestors)

AlprostadilFatty Acids, MonounsaturatedFatty Acids, UnsaturatedFatty AcidsLipids

Results Point of Contact

Title
Medical Director
Organization
Takeda

Study Officials

  • Medical Director Clinical Science

    Takeda

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 25, 2016

First Posted

March 1, 2016

Study Start

April 14, 2016

Primary Completion

January 20, 2017

Study Completion

February 24, 2017

Last Updated

December 31, 2018

Results First Posted

December 31, 2018

Record last verified: 2018-06

Locations