NCT01579591

Brief Summary

This is a randomized, double-blind, placebo-controlled phase III study involving 160 patients designed to assess the efficacy of the high potency probiotic preparation VSL#3® versus placebo in increasing the pathological major response rate in patients undergoing concurrent CT and pelvic RT.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
160

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Mar 2012

Shorter than P25 for phase_3

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2012

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

April 12, 2012

Completed
6 days until next milestone

First Posted

Study publicly available on registry

April 18, 2012

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2013

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2013

Completed
Last Updated

April 18, 2012

Status Verified

April 1, 2012

Enrollment Period

1 year

First QC Date

April 12, 2012

Last Update Submit

April 17, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • The impact of the probiotic preparation on increasing the TRG1-2 rate.

    From the date of randomization until to the date of surgery, up to 18 weeks

Secondary Outcomes (5)

  • Determine whether VSL#3® can have an impact on reduction of acute bowel toxicity

    12-36 months

  • pathological complete response (pCR)

    12-36 months

  • impact on reduction of sphincter saving surgery (SSS)

    12-36 months

  • disease free survival (DFS) at 36 months

    36 months

  • Determine whether VSL#3® can have an impact on reduction of late toxicity at 12 and 36 months.

    12, 36 months

Study Arms (2)

VSL#3 PROBIOTIC PREPARATION

EXPERIMENTAL
Other: VSL#3

Placebo

PLACEBO COMPARATOR
Other: Placebo

Interventions

VSL#3OTHER

1 sachet (4.5x1011 viable lyophilized bacteria)three times in a day, during RT and for 2 weeks before and for 4 weeks afterwards.

VSL#3 PROBIOTIC PREPARATION
PlaceboOTHER

1 sachet, three times in a day, during RT and for 2 weeks before and for 4 weeks afterwards

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age \> 18 years
  • Ability to sign informed consent and understand the nature of a placebo- controlled trial.
  • Ability to complete questionnaire(s) by themselves or with assistance.
  • Life expectancy ≥ 6 months.
  • Current diagnosis of cancer that supports the use of continuous definitive or adjuvant external-beam RT to the pelvis to a minimum dose of 4500 cGy delivered with conventional multi-field photon radiotherapy, 3-D conformal photon radiotherapy or intensity modulated photon therapy.
  • Will receive concurrent administration of chemotherapy (5-FU, capecitabine, cisplatin, oxaliplatin, carboplatin, and/or mitomycin) during pelvic RT
  • The following laboratory values obtained \> 28 days prior to registration:
  • Hemoglobin \> 10.0 g/dL WBC \> 3,500 Absolute neutrophil count \> 1,500 Platelets \> 100,000
  • ECOG Performance Status (PS) of 0, 1 or 2
  • Willing to abstain from ingestion of yogurt products and/or any product containing probiotics during study drug treatment.

You may not qualify if:

  • Current or prior metastases beyond regional lymph nodes.
  • Undergone abdominal-perineal resection, Hartmann procedure, or other surgical procedure leaving the patient without a functioning rectum.
  • Known allergy to a probiotic preparation.
  • Any history of inflammatory bowel disease.
  • \> grade 3 diarrhea, rectal bleeding, abdominal cramping, or incontinence of stool, ≤7 days prior to registration.
  • Any medical condition that may interfere with ability to receive protocol treatment.
  • Planned use of leucovorin (because of the risk of secretory diarrhea).
  • Split-course RT is planned.
  • Prior pelvic RT.
  • Proton RT.
  • Any of the following:
  • Pregnant women Nursing women Men or women of childbearing potential who are unwilling to employ adequate contraception
  • Use of probiotics ≤ 2 weeks prior to registration.
  • Use of antibiotics ≤ 1 week prior to registration.
  • Planned continuous antibiotic treatment during RT.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Catholic University of Sacred Heart- Rome-

Rome, 00168, Italy

RECRUITING

MeSH Terms

Conditions

Rectal Neoplasms

Condition Hierarchy (Ancestors)

Colorectal NeoplasmsIntestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesIntestinal DiseasesRectal Diseases

Central Study Contacts

Vincenzo Valentini, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associated professor

Study Record Dates

First Submitted

April 12, 2012

First Posted

April 18, 2012

Study Start

March 1, 2012

Primary Completion

March 1, 2013

Study Completion

June 1, 2013

Last Updated

April 18, 2012

Record last verified: 2012-04

Locations