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Microbiota Restoration Therapy for Recurrent Clostridium Difficile Infection (PUNCHCD2)

23 december 2020 uppdaterad av: Rebiotix Inc.

A Phase 2B Prospective, Randomized, Double-blinded, Placebo-controlled Clinical Study Demonstrating the Efficacy and Safety of Rebiotix RBX2660 (Microbiota Suspension) for the Treatment of Recurrent Clostridium Difficile Infection

This is the first prospective, multi-center, double-blinded, randomized controlled study of a microbiota suspension derived from intestinal microbes. Patients who have had at least two recurrences of C. difficile infection (CDI) after a primary episode and have completed at least two rounds of standard-of-care oral antibiotic therapy or have had at least two episodes of severe CDI resulting in hospitalization may be eligible for the study. Patients whose CDI returns in less than 8 weeks after the last assigned study treatment may be eligible to receive up to 2 treatments with RBX2660 in the open-label portion of the study.

Studieöversikt

Detaljerad beskrivning

This is the first prospective, multi-center, double-blinded, randomized controlled study of a microbiota suspension derived from intestinal microbes. The primary assessments for this study are (i) efficacy of RBX2660 compared to placebo at 8 weeks and (ii) safety via assessment of adverse events. Study visits are at 1-, 4- and 8-weeks after treatment with additional follow-up at 3, 6 12 and 24 months post treatment. Patients who have had at least two recurrences of C. difficile infection (CDI) after a primary episode and have completed at least two rounds of standard-of-care oral antibiotic therapy or have had at least two episodes of severe CDI resulting in hospitalization may be eligible for the study. Patients whose CDI returns in less than 8 weeks after the last assigned study treatment may be eligible to receive up to 2 treatments with RBX2660 in the open-label portion of the study.

Studietyp

Interventionell

Inskrivning (Faktisk)

150

Fas

  • Fas 2

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

    • Arizona
      • Phoenix, Arizona, Förenta staterna, 85054
        • Mayo Clinic Arizona
    • Colorado
      • Aurora, Colorado, Förenta staterna, 80045
        • University of Colorado
    • Florida
      • Jacksonville, Florida, Förenta staterna, 32256
        • Borland-Groover Clinic
    • Idaho
      • Idaho Falls, Idaho, Förenta staterna, 83404
        • Grand Teton Research Group
    • Illinois
      • Chicago, Illinois, Förenta staterna, 60637
        • University of Chicago
      • Chicago, Illinois, Förenta staterna, 60153
        • Loyola University Chicago
    • Indiana
      • Indianapolis, Indiana, Förenta staterna, 46260
        • Infectious Diseases of Indiana
    • Maryland
      • Chevy Chase, Maryland, Förenta staterna, 20815
        • Chevy Chase Clinical Research
    • Michigan
      • Detroit, Michigan, Förenta staterna, 48202
        • Henry Ford Health System
    • Minnesota
      • Rochester, Minnesota, Förenta staterna, 55905
        • Mayo Clinic Minnesota
      • Saint Paul, Minnesota, Förenta staterna, 55101
        • Regions Hospital
    • Missouri
      • Saint Louis, Missouri, Förenta staterna, 63110
        • Washington University School of Medicine
    • New York
      • Flushing, New York, Förenta staterna, 11355
        • New York Hospital Queens
      • New York, New York, Förenta staterna, 10065
        • New York-Presbyterian Hospital/Weill Cornell Medical College
      • Rochester, New York, Förenta staterna, 14618
        • Gastroenterology Group of Rochester
    • North Dakota
      • Fargo, North Dakota, Förenta staterna, 58122
        • Sanford Health
    • Ohio
      • Cleveland, Ohio, Förenta staterna, 44106
        • Louis Stokes Cleveland VA Medical Center
      • Lima, Ohio, Förenta staterna, 45801
        • Regional Infectious Diseases and Infusion Center
    • Pennsylvania
      • Philadelphia, Pennsylvania, Förenta staterna, 19104
        • Hospital of the University of Pennsylvania
    • British Columbia
      • Vancouver, British Columbia, Kanada, V5Z 1M9
        • University of British Columbia
    • Ontario
      • Hamilton, Ontario, Kanada, L8N 4A6
        • St. Joseph's Hospital

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år och äldre (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • ≥ 18 years
  • Medical record documentation of recurrent CDI either: a) at least two recurrences after a primary episode and has completed at least two rounds of standard-of-care oral antibiotic therapy or b) has had at least two episodes of severe CDI resulting in hospitalization.
  • Documented history that the subject's recurrent CDI is controlled while on antibiotics even if the subject is not currently on antibiotics.
  • A positive stool test for the presence of C. difficile within 60 days prior to enrollment.

Exclusion Criteria:

  • A known history of continued C. difficile diarrhea while taking on a course of antibiotics prescribed for CDI treatment.
  • Requires antibiotic therapy for a condition other than recurrent CDI.
  • Previous fecal transplant prior to study enrollment.
  • History of inflammatory bowel disease (IBD), e.g., ulcerative colitis, Crohn's disease, or microscopic colitis.
  • History of irritable bowel syndrome (IBS).
  • History of chronic diarrhea.
  • History of celiac disease.
  • Colostomy.
  • Planned surgery requiring perioperative antibiotics within 6 months of study enrollment.
  • Life expectancy of < 12 months.
  • Compromised immune system.

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Crossover tilldelning
  • Maskning: Trippel

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Aktiv komparator: Group A
Two enemas of RBX2660 (microbiota suspension) administered 7 days apart
A suspension of intestinal microbes
Placebo-jämförare: Group B
Two enemas of placebo administered 7 days apart
A suspension of saline and cryoprotectant
Aktiv komparator: Group C
1 enema of RBX2660 (microbiota suspension) and 1 enema of placebo administered 7 days apart
A suspension of intestinal microbes
A suspension of saline and cryoprotectant

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Treatment Success of Group A (2 Doses of RBX2660) vs Group B (2 Doses of Placebo) (ITT)
Tidsram: 8 weeks after last assigned study treatment
The primary endpoint is to evaluate treatment success, defined as the absence of CDAD without the need for retreatment with C. difficile anti-infective therapy or fecal transplant (FT) at 56 days after administration of the last assigned study enema, of Group A (two enemas of RBX2660) vs. Group B (two enemas of placebo).
8 weeks after last assigned study treatment

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Treatment Success Between Group C (1 Enema of RBX2660 and 1 Enema of Placebo) vs Group B (Two Enemas of Placebo) (ITT)
Tidsram: 8-weeks
Treatment Success was defined as the absence of CDAD without the need for retreatment with C. difficile anti-infective therapy or fecal transplant (FT) at 56 days after administration of the last assigned study enema
8-weeks
Treatment Success Evaluated Between Group A (Two Enemas of RBX2660) Versus Group C (1 Enema of RBX2660 and 1 Enema of Placebo) (ITT)
Tidsram: 8-weeks
Treatment success, defined as the absence of CDAD without the need for retreatment with C. difficile anti-infective therapy or fecal transplant (FT) at 56 days after administration of the last assigned study enema.
8-weeks
SF-36 Scores Obtained at the 1-week, 4-week, and 8-week Assessments Visits During the Double-blind Period as Compared to Baseline (ITT)
Tidsram: 8-week
The validated SF-36 scale was used to identify changes to quality of life (QoL) following study treatment. Each component is analyzed on a norm-based scoring (0-100) with a higher score representing an improvement in QoL.
8-week
Time to CDAD Recurrence After Completion of the Assigned Study Treatment for Group A vs. Group B (ITT)
Tidsram: 8-weeks
Time to CDI Recurrence was evaluated using Kaplan-Meier Analysis and expressed by percentage of subjects who were recurrence free at a certain time point (every 7 days) from completion of the last blinded enema.
8-weeks
Time to CDAD Recurrence After Completion of the Assigned Study Treatment for Group C vs. Group B (ITT)
Tidsram: 8-weeks
Time to CDI Recurrence was evaluated using Kaplan-Meier Analysis and expressed by percentage of subjects who were recurrence free at a certain time point (every 7 days) from completion of the last blinded enema.
8-weeks
Time to CDAD Recurrence After Completion of the Assigned Study Treatment for Group A vs. Group C (ITT)
Tidsram: 8-weeks
Time to CDI Recurrence was evaluated using Kaplan-Meier Analysis and expressed by percentage of subjects who were recurrence free at a certain time point (every 7 days) from completion of the last blinded enema.
8-weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Utredare

  • Studiestol: Teena Chopra, MD MPH, Wayne State University

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Användbara länkar

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 december 2014

Primärt slutförande (Faktisk)

1 januari 2016

Avslutad studie (Faktisk)

1 januari 2018

Studieregistreringsdatum

Först inskickad

19 november 2014

Först inskickad som uppfyllde QC-kriterierna

20 november 2014

Första postat (Uppskatta)

24 november 2014

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

15 januari 2021

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

23 december 2020

Senast verifierad

1 december 2020

Mer information

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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