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Effects of Wolffia Globosa (Mankai) in Patients Undergoing Bariatric Surgery.

Effects of Aquatic Plant Protein Source Wolffia Globosa (Mankai) on Weight Loss, Cardiometabolic State, and Patient's Satisfaction During the Preoperative Dietary Intervention Period in Patients Undergoing Bariatric Surgery.

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03999632
Enrollment
3
Registered
2019-06-27
Start date
2019-08-01
Completion date
2020-12-01
Last updated
2021-02-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bariatric Surgery Candidate, Diet Modification

Keywords

Bariatric surgery, Sleeve gastrectomy, Preoperative diet, Hepatic steatosis, Wolffia Globosa, Hyperglycemia

Brief summary

Candidates to bariatric surgery at The Bariatric and Metabolic Institute at Cleveland Clinic Florida are prescribed a high protein liquid diet for two weeks preoperatively and 2 weeks postoperatively. Whether Wolffia Globosa (Mankai), a plant based wholesome food, can serve as a natural alternative to liquid diet during the 2 week pre-operation and 2 weeks postoperation liquid based diet, is unknown. The investigators aim to address the effect of daily Wolffia Globosa (Mankai) administration on morbid/severely-obese patients during the 2 week pre-operative period and 2 weeks postoperatively as compared to iso protein-iso caloric shake source on the following parameters

Detailed description

This study is a prospective study involving patients selected for elective surgery. Patients undergoing bariatric surgery will be enrolled in this study and have several parameters checked as explained below. Patients selected and consented for elective bariatric surgery will be recruited in the Bariatric and Metabolic Institute to participate in this study and will undergo standard of care. The investigators will enroll approximately 120 candidates during a 6 months (\ 5 a week) period. Patients will be randomized to the A. control group: 3 traditional shakes or B. intervention group: 2 traditional shakes and 1 daily administration of substituting iso-protein green Wolffia Globosa (Mankai) Shake (4 frozen cubes of Wolffia Globosa (Mankai) equal to 20 grams of dry Wolffia Globosa (Mankai). Each shake will provide equivalent carbohydrate, calories and protein levels from the respective source. As part of our routine pre and postoperative screening and follow up protocol, the investigators will collect anthropometric and clinical data on all patients, including standard of care blood samples collected at 2 weeks pre operatively, surgery day and at 2 months postoperatively

Interventions

OTHERDietary modification with introduction of Mankai

Substituting the standard high protein, low carbohydrate preoperative shake during the preoperative liquid diet with Wolffia Globosa (Mankai) shake consisting of 16 oz of skim milk + 1 frozen cube of Wolffia Globosa (Mankai) +/- sugar substitute.

Sponsors

Cleveland Clinic Florida
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Intervention model description

Randomized controlled trial

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

• Patients that will undergo sleeve gastrectomy.

Exclusion criteria

* Age below 18 years * American Society of Anesthesiologist (ASA) class IV or V * Patients using Vitamin-K antagonists * Patients with documented coagulopathies.

Design outcomes

Primary

MeasureTime frameDescription
Patient's Satiety with Wolffia Globosa (Mankai) shake measured with a QUALITY OF ALIMENTATION QUESTIONNAIRE2 weeksQUALITY OF ALIMENTATION QUESTIONNAIRE is a questionnaire with 1 open ended question, 4 yes/no questions, and three 0-5 questions with 5 being the highest level
Glucose control in patients with previous Type 2 Diabetes Mellitus diagnosis by fasting glucose and Hgb A1c2 weeksGlucose control in patients with previous Type 2 Diabetes Mellitus diagnosis (T2DM). measure by fasting glucose and Hgb A1c
Patient's liking with Wolffia Globosa (Mankai) shake measured with a questionnaire2 weeksPatient's liking with Wolffia Globosa (Mankai) shake. measured with a questionnaire
Patient's tolerance with Wolffia Globosa (Mankai) shake. measured with a questionnaire2 weeksQUALITY OF ALIMENTATION QUESTIONNAIRE is a questionnaire with 1 open ended question, 4 yes/no questions, and three 0-5 questions with 5 being the highest level
Patient's compliance with Wolffia Globosa (Mankai) shake. measured with a questionnaire2 weeksQUALITY OF ALIMENTATION QUESTIONNAIRE is a questionnaire with 1 open ended question, 4 yes/no questions, and three 0-5 questions with 5 being the highest level

Secondary

MeasureTime frameDescription
Satisfaction of Patients by specific questionnaire2.5 monthsSatisfaction of Patients. by specific questionnaire
Metabolic and nutritional effects of Wolffia Globosa (Mankai) in patients undergoing bariatric surgery by serum measurements2.5 monthsSerum levels of the common nutritional parameters will be checked before and after the intervention
Free Fat Mass (via Bioelectrical Impedance)2.5 monthsFree Fat Mass (via Bioelectrical Impedance)
Adverse effect by patient report and clinical follow up2.5 monthsAdverse effect patient report and clinical follow up
Fat% (via Bioelectrical Impedance)2.5 monthsFat% (via Bioelectrical Impedance)
Fatty liver infiltration by Ultrasound2.5 monthsFatty liver infiltration by Ultrasound
Patient's adherence by food diary2.5 monthsPatient's adherence by food diary

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026