NCT02729909

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of oral administration of 24 ug of lubiprostone 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
211

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started May 2016

Shorter than P25 for phase_3

Geographic Reach
1 country

10 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

April 1, 2016

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 6, 2016

Completed
1 month until next milestone

Study Start

First participant enrolled

May 11, 2016

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 28, 2017

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

June 5, 2017

Completed
1.8 years until next milestone

Results Posted

Study results publicly available

April 1, 2019

Completed
Last Updated

April 1, 2019

Status Verified

January 1, 2019

Enrollment Period

12 months

First QC Date

April 1, 2016

Results QC Date

April 27, 2018

Last Update Submit

January 3, 2019

Conditions

Keywords

Drug therapy

Outcome Measures

Primary Outcomes (1)

  • Spontaneous Bowel Movement (SBM) Frequency at Week 1 of Administration

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

    Week 1

Secondary Outcomes (5)

  • SBM Frequency at Weeks 2, 3 and 4

    Weeks 2, 3 and 4

  • Percentage of Participants Who Have a SBM Within 24 Hours After 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 of Stool Consistency

    Weeks 1, 2, 3 and 4

  • Weekly Abdominal Symptoms Score

    Weeks 1, 2, 3 and 4

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 capsules

Also known as: AMITIZA
Lubiprostone 24 μg

Lubiprostone placebo-matching capsules

Placebo

Eligibility Criteria

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

You may qualify if:

  • In the opinion of the investigator, 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 a history of constipation defined as having spontaneous bowel movement (SBM) frequency of less than 3 times per week on average for 6 months or longer and for whom the same SBM frequency is observed during the Screening Period.
  • Has had 1 or more of the symptoms associated with SBM (described below) for 6months or longer at the start of Screening:
  • Scybalum stool or hard feces in at least 1 out of every 4 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 18 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, 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.
  • SBM frequency is 3 or more per week.
  • 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 on the morning of Day1: 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 (10)

Unknown Facility

Mexicali, Baja California Norte, Mexico

Location

Unknown Facility

León, Guanajuato, Mexico

Location

Unknown Facility

Mexico City, Mexico City, Mexico

Location

Unknown Facility

Morelia, Michoacán, Mexico

Location

Unknown Facility

Monterrey, Nuevo Le0n, Mexico

Location

Unknown Facility

Culiacán, Sinaloa, Mexico

Location

Unknown Facility

Cuautitlán Izcalli, State of Mexico, Mexico

Location

Unknown Facility

Tlalnepantla, State of Mexico, Mexico

Location

Unknown Facility

Chihuahua City, Mexico

Location

Unknown Facility

Durango, Mexico

Location

MeSH Terms

Conditions

Constipation

Interventions

Lubiprostone

Condition Hierarchy (Ancestors)

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

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

April 1, 2016

First Posted

April 6, 2016

Study Start

May 11, 2016

Primary Completion

April 28, 2017

Study Completion

June 5, 2017

Last Updated

April 1, 2019

Results First Posted

April 1, 2019

Record last verified: 2019-01

Locations