

About the Chemo-Gut Probiotic Trial
Evaluating a New Probiotic for Survivors of Cancer
The Chemo-Gut Probiotic Trial uses a double-blinded placebo-controlled design, in which cancer survivors who have undergone chemotherapy will be randomly assigned to take either a novel oral probiotic treatment or a placebo pill, once daily, for 12 weeks.
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The purpose of this study is to determine whether the probiotic treatment impacts gastrointestinal symptoms, mental health, and the gut microbiome.

What would I be Asked to do?
6 Weeks
12 Weeks
Pre-treatment
Pre-treatment
12 Weeks
Step 2
screening Call
A Research Assistant will schedule a phone call with you to confirm your eligibility, discuss the trial, and answer any questions you may have.
Step 3
Informed Consent
Before starting the trial, you will be required to sign a virtual informed consent form.
Step 4
Receive study products
A Research Assistant will schedule to drop of the study products and your stool samples collection kit at your house.
Step 5
Questionnaire 1
Before taking the study product, you will be asked to complete an approximately 30 minute long online questionnaire which will ask about your demographics, clinical characteristics, diet, mental health, and gut health.
Step 6
Collect a Stool Sample
Before you start taking the study product, you will be expected to collect a stool sample and store it in the freezer. A Research Assistant will pick your sample up within three days.
Step 7
Questionnaire 2
You will be asked to complete an approximately 20 minute long online questionnaire which will ask about your diet, mental health, and gut health since the previous questionnaire.
Step 8
Questionnaire 3
Once you have completed the study product, you will be asked to complete an approximately 20 minute long online questionnaire which will ask about your diet, mental health, and gut health since the previous questionnaire.
Step 9
Collect a Stool Sample
Once you have completed the study product, you will be expected to collect a stool sample and store it in the freezer. A Research Assistant will pick your sample up within three days.

Commonly Asked Questions about Participating
Potential Probiotic Side Effects: Although not expected, you may experience side effects from participating in this study. Some side effects may include bloating and/or gas, or diarrhea, but should subside after using the probiotic consistently. It is possible there may be side effects that are not expected. If this happens, you should discuss these with the study doctor. Also, there may be unknown risks with taking the investigational products.
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Potential Pregnancy Risks: There are no known or anticipated risks associated with probiotic treatment. However, as a precaution women who are planning to become pregnant during the study will not be eligible, and women who become pregnant during the study will be withdrawn as a participant. If you become pregnant while participating the study, you must stop taking the investigational products and you should immediately notify the study doctor.