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A Phase 2, Multi-center Study to Evaluate the Efficacy and Safety of ONO-2952 in Female Subjects With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D)

Phase 2
Completed
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Registration Number
NCT01844180
Lead Sponsor
Ono Pharma USA Inc
Brief Summary

The objective of this study is to explore efficacy, safety and tolerability of ONO-2952 in female subjects with Diarrhea-Predominant Irritable Bowel Syndrome (IBS-D).

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
200
Inclusion Criteria
  1. Female 18-65 years of age (inclusive)

  2. Diagnosed with IBS based on the following criteria (Rome III criteria):

    • Symptom onset at least 6 months prior to diagnosis, and

    • Recurrent abdominal pain or discomfort at least 3 days per month for the past 3 months, and

    • Abdominal discomfort or pain associated with two or more of the following at least 25% of the time:

      1. Improvement with defecation
      2. Onset associated with a change in frequency of stool/defecation
      3. Onset associated with a change in form (appearance) of stool
  3. Diagnosed with IBS-D, defined as loose/watery stools ≥ 25% and hard/lumpy stools ≤ 25% of defecations

Exclusion Criteria
  • Any structural abnormality of the gastrointestinal (GI) tract (other than esophagitis or gastritis)
  • History of Crohn's disease, ulcerative colitis, diabetes mellitus, lactose malabsorption, malabsorption syndromes, celiac sprue, or any upper GI symptoms that may impact the assessment of IBS symptoms

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Placebo ArmONO-2952 Matching PlaceboONO-2952 Matching Placebo every day for 4 weeks
Experimental Arm 1ONO-2952ONO-2952 low dose every day for 4 weeks
Experimental Arm 2ONO-2952ONO-2952 high dose every day for 4 weeks
Primary Outcome Measures
NameTimeMethod
Abdominal pain or stool symptoms in female subjects with IBS-D by using a numeric pain rating scale and the Bristol Stool Scale (BSS)4 weeks
Secondary Outcome Measures
NameTimeMethod
Safety assessed through adverse events and clinical laboratory values4 weeks
Change in IBS related symptoms and quality of life (QoL) by questionaire assessments4 weeks

Trial Locations

Locations (48)

Billings Clinical Site

🇺🇸

Billings, Montana, United States

Goodyear Clinical Site

🇺🇸

Goodyear, Arizona, United States

Chattanooga Clinical Site

🇺🇸

Chattanooga, Tennessee, United States

Germantown Clinical Site

🇺🇸

Germantown, Tennessee, United States

Chesterfield Clincial Site

🇺🇸

Chesterfield, Michigan, United States

Anniston Clinical Site

🇺🇸

Anniston, Alabama, United States

Clearwater Clinical Site

🇺🇸

Clearwater, Florida, United States

Orlando Clinical Site

🇺🇸

Orlando, Florida, United States

Lauderdale Lakes Clinical Site

🇺🇸

Lauderdale Lakes, Florida, United States

Deland Clinical Site

🇺🇸

Deland, Florida, United States

West Palm Clinical Site

🇺🇸

West Palm, Florida, United States

Boynton Beach Clinical Site

🇺🇸

Boynton Beach, Florida, United States

Sandy Clinical Site

🇺🇸

Sandy, Utah, United States

Great Neck Clinical Site

🇺🇸

Great Neck, New York, United States

Groveport Clinical Site

🇺🇸

Groveport, Ohio, United States

St. Petersburg Clinical Site

🇺🇸

St. Petersburg, Florida, United States

Ogden Clinical Site

🇺🇸

Ogden, Utah, United States

Lansdale Clinical Site

🇺🇸

Landsdale, Pennsylvania, United States

Mt. Pleasant Clinical Site

🇺🇸

Mt. Pleasant, South Carolina, United States

Cary Clinical Site

🇺🇸

Cary, North Carolina, United States

Port Orange Clinical Site

🇺🇸

Port Orange, Florida, United States

South Miami Clinical Site

🇺🇸

South Miami, Florida, United States

Mentor Clinical Site

🇺🇸

Mentor, Ohio, United States

Reno Clinical Site

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Reno, Nevada, United States

Logan Clinical Site

🇺🇸

Logan, Utah, United States

Raleigh Clinical Site

🇺🇸

Raleigh, North Carolina, United States

Akron Clinical Site

🇺🇸

Akron, Ohio, United States

Greer Clinical Site

🇺🇸

Greer, South Carolina, United States

Columbus Clinical Site

🇺🇸

Columbus, Ohio, United States

San Diego Clinical Site

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San Diego, California, United States

Norman Clinical Site

🇺🇸

Norman, Oklahoma, United States

San Antonio Clinical Site

🇺🇸

San Antonio, Texas, United States

Wichita Clinical Site

🇺🇸

Wichita, Kansas, United States

Salt Lake City Clinical Site

🇺🇸

Salt Lake City, Utah, United States

Tampa Clinical Site

🇺🇸

Tampa, Florida, United States

Hialeah Clinical Site

🇺🇸

Hialeah, Florida, United States

North Little Rock Clinical Site

🇺🇸

North Little Rock, Arkansas, United States

Carlsbad Clinical Site

🇺🇸

Carlsbad, California, United States

Lebanon Clinical Site

🇺🇸

Lebanon, New Hampshire, United States

Oak Lawn Clinical Site

🇺🇸

Oak Lawn, Illinois, United States

Highpoint Clinical Site

🇺🇸

Highpoint, North Carolina, United States

Dayton Clinical Site

🇺🇸

Dayton, Ohio, United States

Plano Clinial Site

🇺🇸

Plano, Texas, United States

Pasadena Clinical Site

🇺🇸

Pasadena, Texas, United States

New Orleans Clinical Site

🇺🇸

New Orleans, Louisiana, United States

Albuquerque Clinical Site

🇺🇸

Albuquerque, New Mexico, United States

Winston-Salem Clinical Site

🇺🇸

Winston-Salem, North Carolina, United States

Tucson Clinical Site

🇺🇸

Tucson, Arizona, United States

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