- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT02857257
Transplantation of Anaerobic Cultured Human Intestinal Microbiota in Irritable Bowel Syndrome (ACHIM2)
Studieoversikt
Detaljert beskrivelse
Diarrhea-dominated irritable bowel syndrome (IBS-D) is studied in subjects by treatment with an anaerobic human intestinal microbiota cultured for 15 years and quality controlled with a specified content of bacterial species regularly over the years. Inclusion criteria is: Diarrheal disease since at least 4 weeks, 18-80 years of age, previously unsuccessful treatment with no symptomatic relief of antidiarrheals or resins, and signed informed consent.
Primary outcome was irritable bowel syndrome-symptom severity scale (IBS-SSS). Secondary outcome was Bristol stool scale (BSS).
Secondary outcome: Changes in fecal microflora distribution and multiplicity as shown by the 16S ribosomal ribonucleic acid (rRNA) analysis of feces.
Once eligible for the study, patients were monitored for a run-in period of one week with the IBS-SSS and the BSS plus fecal samples for analysis of bacterial species using the bacterial specific 16S rRNA differentiation.
Then, the anaerobic cultured human intestinal microflora (ACHIM) was given twice with an interval of 1 week. Thereafter, patients were further monitored over 4 weeks as regards IBS-SSS and BSS. Another feces sample was also collected for bacterial 16S rRNA analysis to evaluate the microbiota diversity.
The study will be evaluated using eligible subjects as their own controls by means of Wilcoxon's matched-pairs test, alternatively t-test for matched pairs.
Power analysis show that 40 subjects are needed to study in order to achieve a power of 80%.
Studietype
Registrering (Forventet)
Fase
- Fase 2
Kontakter og plasseringer
Studiesteder
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Stockholm, Sverige, 11157
- Rekruttering
- Mag-tarm/endoskopienheten Hötorget
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Ta kontakt med:
- Peter Benno, MD, PhD
- Telefonnummer: +46 7055795554
- E-post: Peter.Benno@endoskopienheten.se
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Ta kontakt med:
- Per Hellström, MD; PhD
- Telefonnummer: +46 70 3727423
- E-post: Per.Hellstrom@medsci.uu.se
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- IBS according to the Rome III criteria
Exclusion Criteria:
- Pregnancy
- Antibiotic and probiotics within 8 weeks before inclusion
- Unable to give informed consent
- Immunodeficiency (drug- och disease-related)
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: N/A
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
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Eksperimentell: Treatment arm
Only one treatment arm.
Patients are allocated under disease condition and later treated with ACHIM.
The post-treatment disease progression is monitored.
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After an observation period of 4 weeks patients with IBS-D will be treated with ACHIM
Andre navn:
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
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Symptom relief according to irritable bowel syndrome-symptom severity scale (IBS-SSS)
Tidsramme: 4 weeks
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4 weeks
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Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
Differential bacterial species population as defined by 16S RNA
Tidsramme: 4 weeks
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Description of different bacterial species harboring in fecal samples before and after treatment with ACHIM.
Exploratory outcome measure.
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4 weeks
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Normalization of stool consistency as determined by the Bristol stool scale
Tidsramme: 4 weeks
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Normalization as determined by the Bristol stool scale
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4 weeks
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Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Etterforskere
- Studieleder: Per Hellström, MD, PhD, Uppsala University
Publikasjoner og nyttige lenker
Generelle publikasjoner
- Francis CY, Morris J, Whorwell PJ. The irritable bowel severity scoring system: a simple method of monitoring irritable bowel syndrome and its progress. Aliment Pharmacol Ther. 1997 Apr;11(2):395-402. doi: 10.1046/j.1365-2036.1997.142318000.x.
- Lewis SJ, Heaton KW. Stool form scale as a useful guide to intestinal transit time. Scand J Gastroenterol. 1997 Sep;32(9):920-4. doi: 10.3109/00365529709011203.
- Smits LP, Bouter KE, de Vos WM, Borody TJ, Nieuwdorp M. Therapeutic potential of fecal microbiota transplantation. Gastroenterology. 2013 Nov;145(5):946-53. doi: 10.1053/j.gastro.2013.08.058. Epub 2013 Sep 7.
- Benno P, Norin E, Midtvedt T, Hellstrom PM. Therapeutic potential of an anaerobic cultured human intestinal microbiota, ACHIM, for treatment of IBS. Best Pract Res Clin Gastroenterol. 2019 Jun-Aug;40-41:101607. doi: 10.1016/j.bpg.2019.03.003. Epub 2019 Apr 29.
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Forventet)
Studiet fullført (Forventet)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- ACHIM2
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
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