- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01549782
Mixture of Prebiotics on Intestinal Microbiota of Patients Receiving Abdominal Radiotherapy.
Effect of a Mixture of Inulin and Fructo-oligosaccharide on Lactobacillus and Bifidobacterium Intestinal Microbiota of Patients Receiving Radiotherapy: a Randomised, Double-blind, Placebo-controlled Trial.
Abdominal and pelvic radiotherapy (RT) reduces the renewal capacity of the epithelium. Rectal biopsies obtained from patients receiving pelvic RT have revealed atrophy of surface epithelium, acute cryptitis, crypt abscesses, crypt distortion and atrophy, and stromal inflammation. Modifications in intestinal microbiota, such as an increase in the number of pathogens, may contribute to intestinal injury. The prebiotic effect of a carbohydrate is assessed by its capacity to stimulate the proliferation of healthy bacteria (Bifidobacterium, Lactobacillus) rather than pathogenic bacteria (Clostridium, E. coli).
The hypothesis of the study is that a mixture of inulin and fructooligosaccharide could modulate Lactobacillus and Bifidobacterium and reduce the intestinal injury in patients affected of gynaecological cancer and treated with abdominal radiotherapy.
Studieoversigt
Status
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
-
Madrid, Spanien, 28007
- Nutrition Unit. HGU Gregorio Marañón
-
-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- female gender, age ≥ 18 years, and a diagnosis of gynaecologic cancer requiring postoperative pelvic RT.
Exclusion Criteria:
- previous RT, previous or adjuvant chemotherapy, other types of pelvic tumours or other gynaecologic malignancies, antibiotic or immunosuppressive treatment one week before inclusion or during treatment, and the presence of acute or chronic gastrointestinal disease contraindicating ingestion of the fibre
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Tredobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: Fiber supplement
6 gr daily of fibre (50% inulin and 50% FOS).
Patients underwent a 1-week run-in period before starting RT and continued taking the same products throughout the treatment course, until three weeks after RT was finished.
|
6 gr daily of fibre (50% inulin and 50% FOS).
Patients underwent a 1-week run-in period before starting RT and continued taking the same products throughout the treatment course, until three weeks after RT was finished.
|
|
Placebo komparator: Maltodextrine
6 gr daily of maltodextrine.
Patients underwent a 1-week run-in period before starting RT and continued taking the same products throughout the treatment course, until three weeks after RT was finished.
|
6 gr daily of maltodextrine.
Patients underwent a 1-week run-in period before starting RT and continued taking the same products throughout the treatment course, until three weeks after RT was finished.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Changes in Lactobacillus and Bifidobacterium populations
Tidsramme: 2 months
|
2 months
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Changes in calprotectin and DNA levels.
Tidsramme: 2 months
|
2 months
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Pilar Garcia-Peris, PhD, Nutrition Unit. HGU Gregorio Marañón
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- Prebiotic2005
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