Safety and Efficacy of AST-120 in Mild to Moderate Crohn's Patients With Fistulas
NCT ID: NCT00321412
Last Updated: 2014-05-30
Study Results
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Basic Information
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COMPLETED
PHASE3
191 participants
INTERVENTIONAL
2006-03-31
2008-09-30
Brief Summary
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Detailed Description
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Patients will be randomly assigned (like the toss of a coin), to receive either AST-120 or placebo. Patients will have a 50/50 chance of receiving placebo. Patients who participate in this study will be required to take a single dose of study drug (AST-120 or placebo) 3 times a day, 30 minutes after a meal, for 8 weeks, and be evaluated at Week 4 and Week 8. This is a 'blinded' treatment, which means that neither the patient nor the study doctor will know if the patient has received study drug or placebo.
If, at the end of the first full course of randomized treatment, (8 weeks), patients are not showing an improvement in their condition, they may have the option to receive the alternate blinded treatment for one treatment course (8 weeks). The study doctor will discuss this option with each patient individually. During this second course of treatment, patients will be evaluated at Week 12 and Week 16. If the patient does not respond to the alternate blinded treatment, or their condition worsens after 4 weeks (assessed at Week 12), they may be removed from the study at the discretion of the investigator.
If patients respond to either the initial treatment or the alternate blinded treatment, they will have monthly doctor/clinic visits for up to 6 months (Week 24), or until their condition worsens or they relapse. Patients will not receive any study drug during this follow-up period.
Relapse is defined for this study as:
* an increase by 1 or more in the number of draining fistulas for 2 sequential visits versus the number present at the time of response (response is defined as at least a 50% reduction in the number of draining fistulas at either Week 8, or for those patients receiving alternate blinded treatment, Week 16).
There are a maximum of 8 patient evaluation visits in this study (Screen, Baseline, Week 4, Week 8, Week 12, Week 16, Week 20 and Week 24). Evaluations at most of these visits include a review of concomitant medications, medical history/adverse events, physical exam, fistula exam, blood draws for safety labs, urine pregnancy tests for females, and measurement of body weight. Patients will also be asked to keep a daily diary to record frequency of bowel movements, general well-being, and use of antidiarrheal medication.
Treatment failure in this study is defined by one or more of the following occurring prior to Week 8:
* The need for additional therapies or dose increase for treatment of Crohn's disease, including an increase of corticosteroid dose to higher than baseline
* Clinical/symptomatic development of an abscess
* Clinical/symptomatic evidence of stricture
* The need for surgical intervention for Crohn's disease
* The patient withdraws from the study
Patients will be discontinued from the study at any time if one or more of the following complications occur:
* Development of an abscess or symptomatic stricture
* The need for surgical intervention for Crohn's disease
* Occurrence of any other event that in the opinion of the investigator warrants discontinuation of the patient from the study
In addition, patients whose CDAI score has risen by \> or = 70 points above baseline or risen above 400 will be discontinued from the study.
Administration of any additional therapies or dose increases of concomitant medications (including corticosteroids) to control Crohn's disease to higher than baseline while receiving study drug (initial randomized treatment or alternate blinded treatment) will require discontinuation of the patient from the study.
Discontinued patients will be evaluated in a termination visit to document the lack of treatment efficacy and no further study treatment will be given.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
QUADRUPLE
Study Groups
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2
Celphere® CP-305, stained to match appearance of AST-120, in 2g sachets
AST-120
oral, sachet, 2 grams three times daily for 8 weeks
1
AST-120, 2 gram sachets
AST-120
oral, sachet, 2 grams three times daily for 8 weeks
Interventions
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AST-120
oral, sachet, 2 grams three times daily for 8 weeks
Eligibility Criteria
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Inclusion Criteria
* Documented diagnosis of Crohn's disease, including patients with documented diagnosis of ileitis, colitis, or ileocolitis
* Presence of at least one draining fistula. Patients with enterocutaneous fistulas can be included if they have \> or = 1 draining perianal fistula. Women with rectovaginal fistulas can be included if they have \> or = 1 draining perianal fistula.
* Crohn's Disease Activity Index (CDAI) score \< 400
* Platelet count (thrombocytes) \> or = 100,000/uL
* Able and willing to comply with all protocol procedures for the duration of the study
* Able and willing to understand, sign and date an informed consent document, and authorize access to protected health information
* Females must be postmenopausal, surgically incapable of bearing children, or practicing a reliable method of birth control (hormonal contraceptives, intrauterine devices, spermicide and barrier). Partner/spouse sterility may also qualify at the Investigator's discretion. Females of child-bearing potential must have a negative urine pregnancy test at baseline.
Exclusion Criteria
* Infliximab (and/or other biological immunosuppressant/immunomodulatory) therapy within 3 months prior to enrollment in the study
* Presence of symptomatic strictures or suggestion of significant clinical obstruction
* Patients with setons are excluded, unless the setons are removed within 48 hours prior to study entry
* Presence of entero-entero, recto-vesicular, entero-vesicular fistulas
* Platelet count (thrombocytes) \< 100,000/uL
* CDAI score of \> or = 400
* Patient is unable to stay on a stable dose of concomitant Crohn's disease medication(s) for at least 10 weeks in the opinion of the investigator
* Currently symptomatic untreated diarrhea due to conditions other than mild to moderately active Crohn's disease (e.g., bacterial or parasitic gastroenteritis, bile salt diarrhea, etc.)
* Severe diarrhea defined by \> 10 liquid bowel movements per day
* Other local manifestations of mild to moderately active Crohn's disease such as abscesses, or other disease manifestations for which surgery might be indicated or which might preclude utilization of a CDAI to assess response to therapy (e.g., short bowel syndrome)
* Presence of an ileostomy
* Receiving Total Parenteral Nutrition (TPN) as the sole source of nutrition within 3 weeks of Screen
* Poor tolerability of venipuncture or lack of adequate venous access for required blood sampling.
* Hemoglobin \< 8.5 g/dL (females) or hemoglobin \< 10 g/dL (males) at Screen
* Women who are pregnant, breast feeding, or planning to become pregnant during the study
* Other major physical or major psychiatric illness within the last 6 months that in the opinion of the investigator would affect the patient's ability to complete the trial
* Uncontrolled systemic disease
* Patients undergoing chemotherapy for the treatment of cancer
* Known hypersensitivity or contraindication to any component of the test product (study drugs) or diagnostics used
* Participation in another study within eight (8) weeks prior to the study
* Unable to attend all visits required by the protocol
18 Years
70 Years
ALL
No
Sponsors
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Ocera Therapeutics
INDUSTRY
Responsible Party
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Principal Investigators
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Laurent Fischer, MD
Role: STUDY_DIRECTOR
Ocera Therapeutics
Locations
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Advanced Clinical Research Institute
Anaheim, California, United States
Digestive Care Medical Center
San Carlos, California, United States
Shafran Gasteroenterology Center
Winter Park, Florida, United States
Rush University Medical Center
Chicago, Illinois, United States
University of Chicago Medical Center
Chicago, Illinois, United States
Indiana University, Outpatient Clinical Research Facility
Indianapolis, Indiana, United States
University of Kentucky Chandler Medical Center
Lexington, Kentucky, United States
University of Louisville, Department of Surgery
Louisville, Kentucky, United States
Metropolitan Gastroenterology Group/Chevy Chase Clinical Research
Chevy Chase, Maryland, United States
Brigham & Women's Hospital
Boston, Massachusetts, United States
Clinical Research Institute of Michigan, LLC
Chesterfield, Michigan, United States
Drs. Scherf, Chessler, Zingler & Spinnell, MD, PA
Fort Lee, New Jersey, United States
Long Island Clinical Research Associates, LLP
Great Neck, New York, United States
Mount Sinai School of Medicine, IBD Research Center
New York, New York, United States
University of Rochester Medical Center
Rochester, New York, United States
University of North Carolina
Chapel Hill, North Carolina, United States
Carolina Digestive Health Associates
Charlotte, North Carolina, United States
University Hospitals of Cleveland
Cleveland, Ohio, United States
Cleveland Clinic - Department of Gastroenterology
Cleveland, Ohio, United States
The Penn State University, Milton S. Hershey Medical Center
Hershey, Pennsylvania, United States
Allegheny General Hospital
Pittsburgh, Pennsylvania, United States
Digestive Disease Center/MUSC
Charleston, South Carolina, United States
Memphis Gastroenterology Group, PC
Germantown, Tennessee, United States
University of Washington
Seattle, Washington, United States
Dean Foundation Research Center
Madison, Wisconsin, United States
Univ Klinik fur Innere Medizin Innsbruck
Innsbruck, , Austria
Universitatsklinik fur Innere Medizin I der PMU
Salzburg, , Austria
AKH Wien - Univ Klinik Innere Med IV
Vienna, , Austria
Imelda General Hospital
Bonheiden, , Belgium
St. Jansziekenhuis/Ziekenhuis Oost-Limburg
Genk, , Belgium
University Hospital Gasthuisberg, University of Leuven
Leuven, , Belgium
H.-Hartziekenhuis Roeselare-Menen vzw
Roeselare, , Belgium
GILDR Group, University of Edmonton
Edmonton, Alberta, Canada
Liver & Intestinal Research Centre
Vancouver, British Columbia, Canada
McMaster University Medical Centre
Hamilton, Ontario, Canada
London Health Sciences Center
London, Ontario, Canada
Jewish General Hospital
Montreal, Quebec, Canada
University Hospital Brno, Internal and Gastroenterology Department
Brno, , Czechia
Regional Hospital Liberec, Department of Gastroenterology
Liberec, , Czechia
University Hospital Prague 2, 4th Department of Internal Medicine
Prague, , Czechia
Thomayer's University Hospital Prague, 2nd Internal Department
Prague, , Czechia
Institute for Clinical and Experimental Medicine
Prague, , Czechia
CHU Hopital Nord, Service de Gastro-enterologie et nutrition
Amiens, , France
Hopital de la Cote de Nacre - CHU
Caen, , France
CHU de Grenoble - Hopital Nord
Grenoble, , France
Hopital Claude Huriez, Service des maladies de l'appareil disgestif
Lille, , France
Hopital Nord, Service de Gastro-Enterologie
Marseille, , France
Hopital Saint-Eloi, Service de Gastro-enterologie et transplantation
Montpelier, , France
CHU Hotel Dieu, Institut des Maladies de l'Appareil Digestif
Nantes, , France
CHU de Nice - Hopital de l'Archet 2
Nice, , France
Hopital Leopold Bellan
Paris, , France
Universitatsklinikum Aachen
Aachen, , Germany
Charite-Campus Virchow-Klinikum
Berlin, , Germany
Klinikum der Johann-Wolfgang-Goethe Universitat Frankfurt am Main
Frankfurt, , Germany
Medizinische Hochschule Hannover
Hanover, , Germany
Universitatsklinik Heidelberg Abteilung Gastroenterologie und Hepatologie
Heidelberg, , Germany
Universitatsklinikum Schleswig-Holstein
Kiel, , Germany
Klinikum rechts der Isar der TUM II
München, , Germany
Universitatsklinikum Regensburg
Regensburg, , Germany
Universitat Rostock - Midizinische Fakultat
Rostock, , Germany
Medizinische Universitatsklinik Tubingen
Tübingen, , Germany
Universitatsklinikum Ulm
Ulm, , Germany
Peterfy Sandor utcai Korhaz-Rendelointezet
Budapest, , Hungary
Semmelweis Egyetem
Budapest, , Hungary
Semmelweis Egyetem
Budapest, , Hungary
Miskolc Megyei Jogu Onkormanyzat Semmelweis Oktato Korhaz-Rendelointezet
Miskolc, , Hungary
Szegedi Tudomanyegyetem, I.sz. Belgyogyaszati Klinika
Szeged, , Hungary
Bnai Zion Medical Center
Haifa, , Israel
Rambam Medical Center
Haifa, , Israel
Strauss Medical Center
Jerusalem, , Israel
Meir Hospital
Kfar Saba, , Israel
Rabin Medical Center, Bellinson Hospital
Petah Tikva, , Israel
Sheba Medical Center
Ramat Gan, , Israel
Kaplan Medical Center
Rehovot, , Israel
Erasmus MC, Department of Gastroenterology and Hepatology
Rotterdam, , Netherlands
Samodzielny Publiczny Centralny Szpital Kliniczny Slaskiej AM
Katowice, , Poland
Zakaznych Szpitala Uniwersyteckiego w Krakowie
Krakow, , Poland
Korektalnej Uniwersytetu Medycznego w Lodzi
Lodz, , Poland
University Hospital Olomouc, 2nd Internal Department
Olomouc, , Poland
Samodzielny Publiczny Szpital Kliniczny Nr 2 im. Heliodora
Poznan, , Poland
Samodzielny Publiczny Centralny Szpital
Warsaw, , Poland
Katedra Klinika Gastroenterologi, Akedemil Medycanej we Wroclawiu
Wroclaw, , Poland
Bristol Royal Infirmary, Dept. of Gastroenterology
Bristol, , United Kingdom
Countess of Chester Hospital
Chester, , United Kingdom
Crosshouse Hospital
Kilmarnock, , United Kingdom
Leicester General Hospital - GI Research Unit
Leicester, , United Kingdom
University College London Hospital, Dept. of Gastroenterology
London, , United Kingdom
John Radcliffe Hospital, Dept. of Gastroenterology
Oxford, , United Kingdom
Countries
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References
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Hay JW, Hay AR. Inflammatory bowel disease: costs-of-illness. J Clin Gastroenterol. 1992 Jun;14(4):309-17. doi: 10.1097/00004836-199206000-00009.
Hugot JP, Chamaillard M, Zouali H, Lesage S, Cezard JP, Belaiche J, Almer S, Tysk C, O'Morain CA, Gassull M, Binder V, Finkel Y, Cortot A, Modigliani R, Laurent-Puig P, Gower-Rousseau C, Macry J, Colombel JF, Sahbatou M, Thomas G. Association of NOD2 leucine-rich repeat variants with susceptibility to Crohn's disease. Nature. 2001 May 31;411(6837):599-603. doi: 10.1038/35079107.
Ogura Y, Bonen DK, Inohara N, Nicolae DL, Chen FF, Ramos R, Britton H, Moran T, Karaliuskas R, Duerr RH, Achkar JP, Brant SR, Bayless TM, Kirschner BS, Hanauer SB, Nunez G, Cho JH. A frameshift mutation in NOD2 associated with susceptibility to Crohn's disease. Nature. 2001 May 31;411(6837):603-6. doi: 10.1038/35079114.
Best WR, Becktel JM, Singleton JW. Rederived values of the eight coefficients of the Crohn's Disease Activity Index (CDAI). Gastroenterology. 1979 Oct;77(4 Pt 2):843-6.
Schwartz DA, Loftus EV Jr, Tremaine WJ, Panaccione R, Harmsen WS, Zinsmeister AR, Sandborn WJ. The natural history of fistulizing Crohn's disease in Olmsted County, Minnesota. Gastroenterology. 2002 Apr;122(4):875-80. doi: 10.1053/gast.2002.32362.
Hellers G, Bergstrand O, Ewerth S, Holmstrom B. Occurrence and outcome after primary treatment of anal fistulae in Crohn's disease. Gut. 1980 Jun;21(6):525-7. doi: 10.1136/gut.21.6.525.
Farmer RG, Hawk WA, Turnbull RB Jr. Clinical patterns in Crohn's disease: a statistical study of 615 cases. Gastroenterology. 1975 Apr;68(4 Pt 1):627-35. No abstract available.
Gray BK, Lockhartmummery HE, Morson BC. Crohn's disease of the anal region. Gut. 1965 Dec;6(6):515-24. doi: 10.1136/gut.6.6.515. No abstract available.
Schwartz DA, Pemberton JH, Sandborn WJ. Diagnosis and treatment of perianal fistulas in Crohn disease. Ann Intern Med. 2001 Nov 20;135(10):906-18. doi: 10.7326/0003-4819-135-10-200111200-00011.
Schwartz DA, Herdman CR. Review article: The medical treatment of Crohn's perianal fistulas. Aliment Pharmacol Ther. 2004 May 1;19(9):953-67. doi: 10.1111/j.1365-2036.2004.01917.x.
Present DH, Rutgeerts P, Targan S, Hanauer SB, Mayer L, van Hogezand RA, Podolsky DK, Sands BE, Braakman T, DeWoody KL, Schaible TF, van Deventer SJ. Infliximab for the treatment of fistulas in patients with Crohn's disease. N Engl J Med. 1999 May 6;340(18):1398-405. doi: 10.1056/NEJM199905063401804.
Present DH, Korelitz BI, Wisch N, Glass JL, Sachar DB, Pasternack BS. Treatment of Crohn's disease with 6-mercaptopurine. A long-term, randomized, double-blind study. N Engl J Med. 1980 May 1;302(18):981-7. doi: 10.1056/NEJM198005013021801.
Hanauer SB, Feagan BG, Lichtenstein GR, Mayer LF, Schreiber S, Colombel JF, Rachmilewitz D, Wolf DC, Olson A, Bao W, Rutgeerts P; ACCENT I Study Group. Maintenance infliximab for Crohn's disease: the ACCENT I randomised trial. Lancet. 2002 May 4;359(9317):1541-9. doi: 10.1016/S0140-6736(02)08512-4.
Sands BE, Anderson FH, Bernstein CN, Chey WY, Feagan BG, Fedorak RN, Kamm MA, Korzenik JR, Lashner BA, Onken JE, Rachmilewitz D, Rutgeerts P, Wild G, Wolf DC, Marsters PA, Travers SB, Blank MA, van Deventer SJ. Infliximab maintenance therapy for fistulizing Crohn's disease. N Engl J Med. 2004 Feb 26;350(9):876-85. doi: 10.1056/NEJMoa030815.
Other Identifiers
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AST001
Identifier Type: -
Identifier Source: org_study_id
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