VSL#3 Versus Placebo in Increasing the Pathological Major Response Rate in Patients With Rectal Cancer
A Phase III, Randomized, Double-Blind Placebo Controlled Study of the Probiotic Preparation VSL#3® Versus Placebo in Increasing the Pathological Major Response Rate in Patients Receiving Concurrent Chemotherapy and Pelvic Radiation Therapy
1 other identifier
interventional
160
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Mar 2012
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 2012
CompletedFirst Submitted
Initial submission to the registry
April 12, 2012
CompletedFirst Posted
Study publicly available on registry
April 18, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2013
CompletedApril 18, 2012
April 1, 2012
1 year
April 12, 2012
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
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Eligibility Criteria
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
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
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