MedPath

Evaluation of Clinical Equivalence Between Two Lubiprostone Products in the Treatment of Chronic Idiopathic Constipation

Phase 3
Completed
Conditions
Chronic Idiopathic Constipation
Interventions
Drug: Placebo
Registration Number
NCT01674530
Lead Sponsor
Dr. Reddy's Laboratories Limited
Brief Summary

The objective of this study is to evaluate the clinical equivalence and safety of the test formulation of Lubiprostone 24 mcg capsules manufactured by Dr Reddy's Laboratories Ltd compared to the marketed formulation AMITIZA® ( Lubiprostone) 24 mcg capsules (Sucampo Pharmaceuticals, Inc.) in patients with confirmed Chronic Idiopathic Constipation

Detailed Description

Constipation is a common gastrointestinal problem estimated to effect 2-27 % of the population in United States . It is found more commonly in women and elderly . The prevelance of constipation and growing demand for treatment dictate the need for safe and effective treatment options . Lubiprostone is the first chloride channel activator approved by FDA for long term treatment of chronic idiopathic constipation in adult men and women . To provide a generic medicine to the U.S population Dr Reddy's Laboratories intends to conduct this study to evaluate that the Lubiprostone manufactured by it is equally effective and safe as marketed AMITIZA® ( Lubiprostone) 24 mcg capsules (Sucampo Pharmaceuticals, Inc.)

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
909
Inclusion Criteria
  1. Patients who have signed the written informed consent form prior to entering the study.

  2. Male or non-pregnant female aged ≥ 18 years with a clinical diagnosis of CIC defined as, on average, < 3 SBMs per week and confirmed by daily diary during the two week baseline/washout period. An SBM is defined as any bowel movement (BM) that does not occur within 24 hours after rescue medication use.

  3. Patients with body mass index between 18 and 35kg/m2 (both inclusive)

  4. Have one or more of the following symptoms related to BMs for at least 6 months before the baseline visit and confirmed by daily diary during the 2 weeks baseline/washout period:

    i. very hard (little balls) and/or hard stools for at least 25% of the bowel movements ii. sensation of incomplete evacuation following at least 25% of the bowel movements iii. straining at defecation at least a quarter of the time

  5. Women of child-bearing potential should have a negative serum pregnancy test prior to beginning therapy and agree to use effective contraceptive methods (at least one medically approved and highly effective method of birth control defined as those which result in a low failure rate (i.e., less than 1% per year) when used consistently and correctly such as implants, injectables, oral contraceptives combined with at least one barrier method, hormonal IUDs, sexual abstinence or vasectomy of the partner) during the study.

  6. For patients aged < 50 years, documentation of the results of either a flexible sigmoidoscopy or colonoscopy performed within the five years prior to dosing, showing no mechanical bowel obstruction or organic disorders of the large or small bowel.

  7. For patients aged ≥ 50 years, documentation of the results of either a barium enema with flexible sigmoidoscopy or colonoscopy performed within one year prior to dosing, showing no mechanical bowel obstruction or organic disorders of the large or small bowel.

Main

Exclusion Criteria
  1. Females who are pregnant, breast feeding, or planning a pregnancy during the proposed study period.
  2. Patients of any age with evidence of weight loss, anemia, or rectal bleeding and without documentation of the results of either a flexible sigmoidoscopy or colonoscopy performed during the 6 months prior to dosing.
  3. Patients who have documented mechanical bowel obstruction (e.g., bowel obstruction due to tumor, hernia), megacolon/megarectum, or diagnosis of pseudo-obstruction.
  4. Patients with known or suspected organic disorders of the large or small bowel (e.g., inflammatory bowel disease, ulcerative colitis, Crohn's Disease) or constipation secondary to a documented cause (e.g., surgery, bowel resection) or acute hernia or with neurologic diseases or other diseases that cause motility problems for example Parkinson's disease and spinal cord injury, etc.
  5. Patients with a history of bowel resection.
  6. Patients who are regularly using medications, which are known to cause constipation (anticholinergics, narcotics, calcium channel blockers, tricyclic antidepressants, colchicine, iron supplements, magnesium supplements).
  7. Patients who are hospitalized for any gastrointestinal or abdominal surgical procedure during the three months prior to dosing.
  8. Patients with clinically significant cardiovascular, liver, lung, neurologic, renal or psychiatric disorder, or clinically significant laboratory abnormalities (if laboratory values exceed 2X Upper Limit of Normal the approval of medical monitor should be taken into consideration before randomizing the patient).
  9. Use of systemic antibiotics within four weeks prior to baseline.
  10. Any current or planned significant change in diet during the study.
  11. Participation in a study with any investigational medication within the past 30 days before screening for this study or previous participation in this study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
LubiprostoneLubiprostoneManufactured by Dr Reddy's Laboratories Ltd( 24 mcg administered for 7 days )
AMITIZA®LubiprostoneManufactured by Sucampo Pharmaceuticals(24 mcg administered for 7 days)
PlaceboPlaceboManufactured by Dr Reddy's Laboratories Ltd ( 24 mcg adminstered for 7 days )
Primary Outcome Measures
NameTimeMethod
Primary AnalysisDay 8

Clinical equivalence of the Test and Reference treatments and the superiority of each active treatment over the Placebo in the change from baseline in mean number of SBM's during the 7 day treatment period of the study

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (85)

Research Integrity

🇺🇸

Owensboro, Kentucky, United States

Bayer Research

🇺🇸

Kalamazoo, Michigan, United States

Mount Vernon Clinical Research

🇺🇸

Atlanta, Georgia, United States

Gastroenterology Consultants PC

🇺🇸

Atlanta, Georgia, United States

Rapid Medical Research , Inc

🇺🇸

Cleveland, Ohio, United States

Clinical Trials Research Services, LLC

🇺🇸

Pittsburgh, Pennsylvania, United States

Consultants of Clinical

🇺🇸

Boynton Beach, Florida, United States

Digestive Health Specialists of the Southeast

🇺🇸

Dothan, Alabama, United States

Elias Research Associates

🇺🇸

Orange, California, United States

Research Center of Fresno

🇺🇸

Fresno, California, United States

Drug Research Group, LLC

🇺🇸

Mobile, Alabama, United States

Clinical Research Associates

🇺🇸

Huntsville, Alabama, United States

Diagnamics Inc,477 N. El Camino Real,Suite A100

🇺🇸

Encinitas, California, United States

PAB Clinical Research

🇺🇸

Brandon, Florida, United States

Advanced Medical Research Institute

🇺🇸

Fresno, California, United States

Breco Research

🇺🇸

Sugarland, Texas, United States

KRK Medical Research

🇺🇸

Dallas, Texas, United States

Hosc Inc.

🇺🇸

Brooklyn, New York, United States

Columbus Clinical Services

🇺🇸

Miami, Florida, United States

Pharmax Research Clinic

🇺🇸

Miami, Florida, United States

Florida International Research

🇺🇸

Miami, Florida, United States

South Medical Research Group , Inc

🇺🇸

Miami, Florida, United States

Boston Clinical Trials Inc

🇺🇸

Boston, Massachusetts, United States

Gastroenterology Consultants P.A

🇺🇸

Houston, Texas, United States

Clinical Trial Network

🇺🇸

Houston, Texas, United States

Paragon Research Center

🇺🇸

San Antonio, Texas, United States

Sun Research

🇺🇸

San Antonio, Texas, United States

Texas Medical Research Associates , LLC

🇺🇸

San Antonio, Texas, United States

Quality Research, Inc

🇺🇸

San Antonio, Texas, United States

Medical Center for CR

🇺🇸

San Diego, California, United States

Shawn K Hassler

🇺🇸

San Francisco, California, United States

Heartland Research Associates

🇺🇸

Wichita, Kansas, United States

Horizons Clinical Research Center

🇺🇸

Denver, Colorado, United States

Lynn Institute of Denver

🇺🇸

Denver, Colorado, United States

Quality Clinical Research, Inc

🇺🇸

Omaha, Nebraska, United States

Great Lakes Gastroenterology

🇺🇸

Mentor, Ohio, United States

Charlottesville Medical Research Center

🇺🇸

Charlottesville, Virginia, United States

Pioneer Research Solutions , Inc

🇺🇸

Sugarland, Texas, United States

BlueRidge Medical Research

🇺🇸

Lynchburg, Virginia, United States

Adobe Clinical Research , LLC

🇺🇸

Tucson, Arizona, United States

Visions Clinical Research

🇺🇸

Tucson, Arizona, United States

Staywell Research

🇺🇸

Northridge, California, United States

SC Clinical Research, Inc ,1060 E. Foothill Blvd, Suite 204

🇺🇸

Upland, California, United States

Elite Trials

🇺🇸

Clearwater, Florida, United States

Medical Research Unlimited, LLC

🇺🇸

Hialeah, Florida, United States

San Marcus Research Clinic

🇺🇸

Miami, Florida, United States

Community Research Foundation , Inc.

🇺🇸

Miami, Florida, United States

Pharma Research International, Inc

🇺🇸

Naples, Florida, United States

Ormond Medical Arts Pharmaceutical

🇺🇸

Ormond, Florida, United States

Clinical Research of Central Florida

🇺🇸

Winter Haven, Florida, United States

Accord Clinical Research,LLC

🇺🇸

Port Orange, Florida, United States

Advanced Digestive Care Center , PC

🇺🇸

Stockbridge, Georgia, United States

Beacon Clinical Research

🇺🇸

Brockton, Massachusetts, United States

Bay State Clinical Trials, Inc.

🇺🇸

Watertown, Massachusetts, United States

Clinical Research Institute

🇺🇸

Chesterfield, Michigan, United States

GI Associates and Endoscopy Center

🇺🇸

Jackson, Mississippi, United States

Central Jersey Medical Research Center

🇺🇸

Elizabeth, New Jersey, United States

NY Scientific,189-11 Jamaica Ave

🇺🇸

Hollis, New York, United States

Wake Research Associates

🇺🇸

Raleigh, North Carolina, United States

PMG Research of Wilmington

🇺🇸

Wilmington, North Carolina, United States

Peters Medical Research

🇺🇸

High Point, North Carolina, United States

Valley Medical Research

🇺🇸

Centerville, Ohio, United States

Detweiler Family Medicine and Associates, PC

🇺🇸

Lansdale, Pennsylvania, United States

Health Research of Hampton Roads

🇺🇸

Newport news, Virginia, United States

Clinical Research Atlanta

🇺🇸

Stockbridge, Georgia, United States

PMG Research of Salisbury

🇺🇸

Salisbury, North Carolina, United States

Sunrise Medical Research

🇺🇸

Lauderdale Lakes, Florida, United States

Translational Research Group

🇺🇸

North Hollywood, California, United States

Anaheim Clinical Trials

🇺🇸

Anaheim, California, United States

Progressive Clinical Research

🇺🇸

Vista, California, United States

Health Awareness ,Inc

🇺🇸

Jupiter, Florida, United States

Health Care Family Rehabilitation and Research Center

🇺🇸

Hialeah, Florida, United States

Atlanta Gastroenterology Assoc

🇺🇸

Marietta, Georgia, United States

Digestive Health Center

🇺🇸

Pasadena, Texas, United States

SC Clinical Research, Inc

🇺🇸

Tucson, Arizona, United States

HCCA-CRS

🇺🇸

Jackson, Tennessee, United States

Preferred Research Partners

🇺🇸

Little Rock, Arkansas, United States

East Jefferson Gastro

🇺🇸

Metairie, Louisiana, United States

University Hospital,150 Bergen Street,B-134 Pharmacy

🇺🇸

Newark, New Jersey, United States

Clinsearch LLC

🇺🇸

Chattanooga, Tennessee, United States

Compass Research

🇺🇸

Orlando, Florida, United States

Benchmark Research

🇺🇸

Sacramento, California, United States

Meridian Research

🇺🇸

Tampa, Florida, United States

PMG Research of Winston-Salem, LLC

🇺🇸

Winston-Salem, North Carolina, United States

Radiant Research

🇺🇸

Greer, South Carolina, United States

© Copyright 2025. All Rights Reserved by MedPath