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Probiotic for Gut Microbiome (ProCar Trial)

Phase 1 & 2
Waitlist Available
Research Sponsored by McGill University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up week -2, 0, 5, and 10
Awards & highlights

ProCar Trial Summary

This trial is testing whether probiotic supplementation can improve carotenoid status (i.e., increase absorption and bioavailability) and related changes in blood and skin in pre-menopausal women.

Eligible Conditions
  • Gut Microbiome
  • Skin Health
  • Carotenoid Status

ProCar Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~week -2, 0, 5, and 10
This trial's timeline: 3 weeks for screening, Varies for treatment, and week -2, 0, 5, and 10 for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Changes in skin yellow color saturation measured by a spectrophotometer
Secondary outcome measures
Changes in Vitamin A status
Changes in blood plasma carotenoid status
Changes in facial skin wrinkling
+20 more

ProCar Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: Carotenoid + ProbioticExperimental Treatment2 Interventions
Carotenoid: 1 capsule daily of a mixed carotenoid (~ 20 mg total carotenoids) supplement Probiotic: 1 capsule daily containing 10 x 10^9 CFU of a proprietary strain Total duration: 10 weeks
Group II: Carotenoid + PlaceboPlacebo Group2 Interventions
Carotenoid: 1 capsule daily of a mixed carotenoid (~ 20 mg total carotenoids) supplement Placebo: 1 capsule daily containing the same carrier material of the probiotic, that is also similar in size, shape, and taste. Total duration: 10 weeks
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Probiotic
2013
Completed Phase 4
~3570
Carotenoid supplement
2021
Completed Phase 2
~40

Find a Location

Logistics

Participation is compensated

You will be compensated for participating in this trial.

Who is running the clinical trial?

McGill UniversityLead Sponsor
392 Previous Clinical Trials
984,468 Total Patients Enrolled
Lallemand Health SolutionsIndustry Sponsor
39 Previous Clinical Trials
3,682 Total Patients Enrolled

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

How do I sign up for this opportunity to test a new treatment?

"This study is seeking 50 individuals that have gut microbiomes and are between 30-50 years old. Other requirements for participants include: being able to document visible wrinkles on the face, a willingness to maintain current physical activity and dietary habits, discontinuing probiotic supplements and food consumption upon screening, having access to a smartphone with camera capabilities and iOS 11.0 or Android 4.2 , being healthy non-menopausal or non-perimenopausal women, having a BMI of 18.5 - 29.9 kg/m2 , and finally agreeing to refrain from taking natural health products containing carotenoids ."

Answered by AI

Do you have an age limit for participants in this research?

"The age criteria for this study stipulate that individuals must be over 30 but under 50 years old."

Answered by AI

Are there any documented risks associated with taking Probiotic?

"While there is some data suggesting probiotics are safe, efficacy has not been demonstrated in any clinical trials. Our team gives it a 2."

Answered by AI

Can more people enroll in this trial?

"The clinical trial in question is not currently searching for patients, as seen on clinicaltrials.gov. This particular study was first posted on November 1st, 2021 and was last updated on October 19th, 2022; however, 14 other trials are still enrolling patients."

Answered by AI
~11 spots leftby Apr 2025