Evaluating the Effects of Kombucha as a Hyperglycemic Therapeutic Agent Within Diabetic Human Subjects
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ClinicalTrials.gov Identifier: NCT04107207 |
Recruitment Status :
Completed
First Posted : September 27, 2019
Last Update Posted : July 30, 2020
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Condition or disease | Intervention/treatment | Phase |
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Diabetes Mellitus | Dietary Supplement: Ginger Kombucha Dietary Supplement: Ginger Water | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 12 participants |
Allocation: | Randomized |
Intervention Model: | Crossover Assignment |
Intervention Model Description: | Double blind crossover |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Pilot Study to Evaluate Effects of Kombucha as a Hyperglycemic Therapeutic Agent Within Diabetic Human Subjects |
Actual Study Start Date : | November 11, 2019 |
Actual Primary Completion Date : | May 20, 2020 |
Actual Study Completion Date : | July 1, 2020 |

Arm | Intervention/treatment |
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Active Comparator: Kombucha Intervention
Either ginger kombucha or placebo ginger water will be given to subjects for weeks 1-4 and then the reciprocal beverage for weeks 6-10.
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Dietary Supplement: Ginger Kombucha
Craft Ginger Kombucha, a fermented black tea |
Placebo Comparator: Placebo Intervention
Either ginger kombucha or placebo ginger water will be given to subjects for weeks 1-4 and then the reciprocal beverage for weeks 6-10.
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Dietary Supplement: Ginger Water
Placebo |
- Blood Sugar Levels [ Time Frame: 10 weeks ]outcome measure: mg/dL
- Gut health [ Time Frame: 10 weeks ]Worst ever | worse than usual | average | better than usual | best ever
- anxiety [ Time Frame: 10 weeks ]How often have you been bothered by the following problems? 6.1. Feeling nervous, anxious or on edge Not at all | Several days | More than half the days | Nearly every day
- depression [ Time Frame: 10 weeks ]How often have you been bothered by the following problems? 6.3. Little interest or pleasure in doing things Not at all | Several days | More than half the days | Nearly every day
- skin health [ Time Frame: 10 weeks ]4.1. How would you rate your overall skin health? Worst ever | worse than usual | average | better than usual | best ever 5. How often do you experience skin problems such as dry skin, eczema, rashes, or acne? Not at all | Several days | More than half the days | Nearly every day
- vulvovaginal health [ Time Frame: 10 weeks ]9.1. How would you rate your overall vulvovaginal health? Worst ever | worse than usual | average | better than usual | best ever

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- S/he is above the age of 18
- S/he has the ability to read, speak and write English
- S/he has telephone access
- S/he is diabetic and willing to check blood sugar levels every day
- Hb A1c >7%
- Possesses a glucometer
Exclusion Criteria:
- Allergy to kombucha ingredients
- Drinks kombucha regularly (>3time per week)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04107207
United States, District of Columbia | |
Georgetown University MedStar Hospital | |
Washington, District of Columbia, United States, 20007 |
Responsible Party: | Georgetown University |
ClinicalTrials.gov Identifier: | NCT04107207 |
Other Study ID Numbers: |
STUDY00001101 |
First Posted: | September 27, 2019 Key Record Dates |
Last Update Posted: | July 30, 2020 |
Last Verified: | July 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Undecided |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |