ClinicalTrials.gg
CompletedNCT00106509Updated Mar 5, 2015

A Study of GT267-004 Versus Vancomycin and GT267-004 Versus Metronidazole in Patients With C.Difficile - Associated Diarrhea

A Phase 3 interventional study of tolevamer potassium-sodium (GT267-004) in Clostridium Enterocolitis and Pseudomembranous Colitis, sponsored by Genzyme, a Sanofi Company. Completed at 140 sites in 3 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2015-03-05.

Sponsored by Genzyme, a Sanofi Company (part of Sanofi) · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
520
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

Approximately 520 patients will be entered into this study taking place throughout the US and Canada. This study aims to determine if an investigational drug is safe and effective for treating symptoms of C. difficile-associated diarrhea (CDAD) and lowering the risk of repeat episodes of CDAD. The investigational drug will be evaluated in comparison to current standard antibiotic treatment, so all patients will receive active medication. All study related care is provided including doctor visits, physical exams, laboratory tests and study medication. Total length of participation is approximately 6 weeks.

02

Conditions studied

  • Clostridium Enterocolitis
  • Pseudomembranous Colitis

Keywords

  • Clostridium Enterocolitis
  • Pseudomembranous Colitis
  • Clostridium difficile-associated diarrhea
  • C. difficile
  • CDAD
03

In context

Enterocolitis, Pseudomembranous

43 studies on the registry are indexed under Enterocolitis, Pseudomembranous; 5 are open to participants now.

This study's enrollment of 520 is above the median of 100 across 29 interventional studies indexed under Enterocolitis, Pseudomembranous.

Browse Enterocolitis, Pseudomembranous studies →

Lead sponsor

Genzyme, a Sanofi Company is the lead sponsor of 308 studies on the registry; 5 are open to participants now.

Of its 25 completed or terminated interventional studies of FDA-regulated products, 19 (76%) have results posted.

First submitted before Genzyme became part of Sanofi.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Inclusion Criteria:

  • 18 years of age
  • The presence of CDAD at the time of enrollment with no other likely etiology for the diarrhea
  • Less than or equal to 48 hours of treatment with metronidazole, vancomycin or other antibacterial therapy specific for CDAD
  • Baseline serum potassium > 3.0 mmol (meq)/L
  • Patient considered sufficiently stable clinically to likely complete a 6 week study period
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Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double
Enrollment
520 participants
06

What researchers measure

Primary outcomes

  1. Resolution of diarrhea

Secondary outcomes

  1. Time to resolution of diarrhea

  2. Recurrence rate

  3. Number of stools

  4. Average stool consistency

  5. Treatment success

07

Study locations

140 sites
  • Phoenix, Arizona 85006, United States
  • Phoenix, Arizona 85012, United States
  • Rogers, Arkansas 72756, United States
  • Burbank, California 91505, United States
  • Los Angeles, California 90073, United States
  • Los Angeles, California 90089, United States
  • Los Angeles, California 90095, United States
  • Modesto, California 95350, United States
  • Newport Beach, California 92663, United States
  • Sacramento, California 95817, United States
  • San Diego, California 92103, United States
  • Denver, Colorado 80204, United States
  • Denver, Colorado 80210, United States
  • Denver, Colorado 80218-1191, United States
  • Denver, Colorado 80262, United States
  • Newark, Delaware 19718, United States
  • Bay Pines, Florida 33744, United States
  • Brandon, Florida 33511, United States
  • Brooksville, Florida 34613, United States
  • Jacksonville, Florida 32207, United States
  • Tampa, Florida 33607, United States
  • Zephyrhills, Florida 33542, United States
  • Atlanta, Georgia 30309, United States
  • Ft. Gordon, Georgia 30905, United States
  • Savannah, Georgia 31405, United States
  • Honolulu, Hawaii 96813, United States
  • Chicago, Illinois 60634, United States
  • Decatur, Illinois 62526, United States
  • Hines, Illinois 60141, United States
  • Maywood, Illinois 60153, United States
  • North Chicago, Illinois 60064, United States
  • Anderson, Indiana 46011, United States
  • Indianapolis, Indiana 46202, United States
  • Lafayette, Indiana 47904, United States
  • Muncie, Indiana 47303, United States
  • Clive, Iowa 50325, United States
  • Des Moines, Iowa 50302, United States
  • Des Moines, Iowa 50309, United States
  • Dubuque, Iowa 52002, United States
  • Iowa City, Iowa 52242, United States
  • Bowling Green, Kentucky 42101, United States
  • Louisville, Kentucky 40202, United States
  • Louisville, Kentucky 40206-1499, United States
  • New Orleans, Louisiana 70115, United States
  • New Orleans, Louisiana 70121, United States
  • Baltimore, Maryland 21201, United States
  • Hagerstown, Maryland 21740, United States
  • Boston, Massachusetts 02114, United States
  • Boston, Massachusetts 02115, United States
  • Worcester, Massachusetts 01608-1320, United States
  • Worcester, Massachusetts 01655, United States
  • Detroit, Michigan 48201, United States
  • Detroit, Michigan 48202, United States
  • Muskegon, Michigan 49444, United States
  • Rochester, Minnesota 55905, United States
  • Ocean Springs, Mississippi 39564, United States
  • Everton, Missouri 65646, United States
  • Kansas City, Missouri 64111, United States
  • St. Louis, Missouri 63110, United States
  • Butte, Montana 59701, United States
  • Missoula, Montana 59802, United States
  • Lebanon, New Hampshire 03756, United States
  • Cedar Knolls, New Jersey 07927, United States
  • Neptune, New Jersey 07753, United States
  • Newark, New Jersey 07103, United States
  • Trenton, New Jersey 08629, United States
  • Albany, New York 12208, United States
  • New Hyde Park, New York 11040, United States
  • New York, New York 10016, United States
  • Syracuse, New York 13210, United States
  • Asheville, North Carolina 28801, United States
  • Greenville, North Carolina 27834, United States
  • Raleigh, North Carolina 27612, United States
  • Fargo, North Dakota 58122, United States
  • Akron, Ohio 44304, United States
  • Centerville, Ohio 45459, United States
  • Toledo, Ohio 43608, United States
  • Allentown, Pennsylvania 18102, United States
  • Doylestown, Pennsylvania 18901, United States
  • Lancaster, Pennsylvania 17602, United States
  • Philadelphia, Pennsylvania 19140, United States
  • Philadelphia, Pennsylvania 19141, United States
  • Pittsburgh, Pennsylvania 15212, United States
  • Pittsburgh, Pennsylvania 15261, United States
  • Charleston, South Carolina 29401, United States
  • Greenville, South Carolina 29605, United States
  • Rapid City, South Dakota 57701, United States
  • Hermitage, Tennessee 37076, United States
  • Houston, Texas 77030, United States
  • Tyler, Texas 75702, United States
  • Burlington, Vermont 05403, United States
  • Danville, Virginia 24541, United States
  • Richmond, Virginia 23249, United States
  • Richmond, Virginia 23298, United States
  • Winchester, Virginia 22601, United States
  • Tacoma, Washington 98431, United States
  • Eau Claire, Wisconsin 54710, United States
  • Marshfield, Wisconsin 54449, United States
  • Milwaukee, Wisconsin 53226, United States
  • Calgary, Alberta T2N 2T9, Canada

Showing the first 100 of 140 sites across 3 countries. Choose a country and city above to see the rest.

08

References and documents

Publications

  • Johnson S, Louie TJ, Gerding DN, Cornely OA, Chasan-Taber S, Fitts D, Gelone SP, Broom C, Davidson DM; Polymer Alternative for CDI Treatment (PACT) investigators. Vancomycin, metronidazole, or tolevamer for Clostridium difficile infection: results from two multinational, randomized, controlled trials. Clin Infect Dis. 2014 Aug 1;59(3):345-54. doi: 10.1093/cid/ciu313. Epub 2014 May 5. PubMed 24799326 ↗
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 5, 2015, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00106509
First posted
Mar 28, 2005
Start date
Mar 2005
Completion
Feb 2007
Last update
Mar 5, 2015

Study contacts

Medical Monitor
study director · Genzyme, a Sanofi Company
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Mar 2015. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Tolevamer Potassium Sodium

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