The Effect of Mankai on Glycemic Control Among Patients With T2D
The Effect of Wolffia Globosa (Mankai) on Glycemic Control Among Patients With Type 2 Diabetes; A 3-month Randomized Controlled Pilot Trial
1 other identifier
interventional
104
1 country
1
Brief Summary
The investigators aim to explore the effect of daily supplementation of Wolfia globosa Mankai on HbA1c and insulin resistance response among participants with type 2 diabetes (T2D). The investigators hypothesize that adding daily Mankai to T2D's healthy nutrition might lower HbA1c and promote glycemic control. Methods: A 3-month pilot RCT among 104 patients with T2D, with two intervention arms consuming comparable bottle volumes of either crude plant Mankai beverage (60ml Mankai) or water (60ml) 3 times/day postprandially over 3 months. Blood, urine, fecal, and clinical measures will be taken at 0 and 3 months. Overall appetite, food intake, symptoms, and medical treatment will be monitored. Importance: This study's results will shed light on the effects of regular Mankai consumption on HbA1c among patients with T2D, which may reveal a new nutritional source to improve glycemic control in T2D.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2 diabetes-mellitus-type-2
Started Apr 2024
Shorter than P25 for phase_2 diabetes-mellitus-type-2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 21, 2024
CompletedStudy Start
First participant enrolled
April 30, 2024
CompletedFirst Posted
Study publicly available on registry
May 16, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 8, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
August 15, 2024
CompletedMay 16, 2024
May 1, 2024
3 months
March 21, 2024
May 15, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
HbA1c
Glycated hemoglobin-HbA1c; as detected by a standard laboratory measure
Baseline and three months time points
Fasting glycemic and insulin resistance profiling
Fasting glycemic and insulin resistance profiling \[using calculated homeostatic model assessment of insulin resistance (HOMA-IR) as detected by laboratory assessment\]
Baseline and three months time points
Secondary Outcomes (30)
Lipid profile
Baseline and three months time points
Lipid profile
Baseline and three months time points
Hormones and adipokines
Baseline and three months time points
Inflammatory biomarkers
Baseline and three months time points
Hunger/satiety hormones
Baseline and three months time points
- +25 more secondary outcomes
Study Arms (2)
Mankai supplementation group
ACTIVE COMPARATORThree times a day supplementation of postprandial Mankai duckweed drink (60mL crude plant Mankai beverage) right after breakfast, lunch, and dinner while maintaining the recommended Mediterranean diet lifestyle and medical treatment.
Water group
PLACEBO COMPARATORThree times a day consumption of postprandial water (60mL) right after breakfast, lunch, and dinner while maintaining the recommended Mediterranean diet lifestyle and medical treatment.
Interventions
The overall dose of the three Mankai duckweed beverages/day contains \~10 grams of dry matter.
Eligibility Criteria
You may qualify if:
- Age \> 30 years
- A formal diagnosis of T2D (126mg/dl fasting glucose or higher, or HbA1c\>6.5%) or taking T2D medications with HbA1c levels over 7%
- Medication stability for at least 3 months prior to Intervention initiation
- Adherence to medical follow-up in primary care clinic or diabetes-centered outpatient services
You may not qualify if:
- HbA1c lower than 7% or higher than 10%
- Known insulinopenia
- Treatment with coumadin (warfarin)
- Advanced renal failure
- Significantly disturbed liver enzymes (liver transaminases or bilirubin levels more than time three upper-normal-limit)
- A significant illness that might require hospitalization
- Regular Mankai consumption
- State of pregnancy or lactation
- Presence of active cancer or chemotherapy treatment in last three years
- Participation in another trial
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Soroka Medical Center
Beersheba, Israel
Related Publications (19)
Piche ME, Tchernof A, Despres JP. Obesity Phenotypes, Diabetes, and Cardiovascular Diseases. Circ Res. 2020 May 22;126(11):1477-1500. doi: 10.1161/CIRCRESAHA.120.316101. Epub 2020 May 21.
PMID: 32437302BACKGROUNDJoseph JJ, Deedwania P, Acharya T, Aguilar D, Bhatt DL, Chyun DA, Di Palo KE, Golden SH, Sperling LS; American Heart Association Diabetes Committee of the Council on Lifestyle and Cardiometabolic Health; Council on Arteriosclerosis, Thrombosis and Vascular Biology; Council on Clinical Cardiology; and Council on Hypertension. Comprehensive Management of Cardiovascular Risk Factors for Adults With Type 2 Diabetes: A Scientific Statement From the American Heart Association. Circulation. 2022 Mar;145(9):e722-e759. doi: 10.1161/CIR.0000000000001040. Epub 2022 Jan 10.
PMID: 35000404BACKGROUNDZhu J, Yu X, Zheng Y, Li J, Wang Y, Lin Y, He Z, Zhao W, Chen C, Qiu K, Wu J. Association of glucose-lowering medications with cardiovascular outcomes: an umbrella review and evidence map. Lancet Diabetes Endocrinol. 2020 Mar;8(3):192-205. doi: 10.1016/S2213-8587(19)30422-X. Epub 2020 Jan 29.
PMID: 32006518BACKGROUNDYancy WS Jr, Dunbar SA, Boucher JL, Cypress M, Evert AB, Franz MJ, Mayer-Davis EJ, Neumiller JJ, Urbanski P, Verdi CL, Nwankwo R. Response to comments on Evert et al. Nutrition therapy recommendations for the management of adults with diabetes. Diabetes care 2013;36:3821-3842. Diabetes Care. 2014 May;37(5):e102-3. doi: 10.2337/dc14-0077. No abstract available.
PMID: 24757235BACKGROUNDCorrigendum to: 2021 ESC Guidelines on cardiovascular disease prevention in clinical practice: Developed by the Task Force for cardiovascular disease prevention in clinical practice with representatives of the European Society of Cardiology and 12 medical societies With the special contribution of the European Association of Preventive Cardiology (EAPC). Eur Heart J. 2022 Nov 7;43(42):4468. doi: 10.1093/eurheartj/ehac458. No abstract available.
PMID: 36083202BACKGROUNDKaplan A, Zelicha H, Tsaban G, Yaskolka Meir A, Rinott E, Kovsan J, Novack L, Thiery J, Ceglarek U, Burkhardt R, Willenberg A, Tirosh A, Cabantchik I, Stampfer MJ, Shai I. Protein bioavailability of Wolffia globosa duckweed, a novel aquatic plant - A randomized controlled trial. Clin Nutr. 2019 Dec;38(6):2576-2582. doi: 10.1016/j.clnu.2018.12.009. Epub 2018 Dec 11.
PMID: 30591380BACKGROUNDYaskolka Meir A, Tsaban G, Zelicha H, Rinott E, Kaplan A, Youngster I, Rudich A, Shelef I, Tirosh A, Brikner D, Pupkin E, Sarusi B, Bluher M, Stumvoll M, Thiery J, Ceglarek U, Stampfer MJ, Shai I. A Green-Mediterranean Diet, Supplemented with Mankai Duckweed, Preserves Iron-Homeostasis in Humans and Is Efficient in Reversal of Anemia in Rats. J Nutr. 2019 Jun 1;149(6):1004-1011. doi: 10.1093/jn/nxy321.
PMID: 30915471BACKGROUNDSela I, Yaskolka Meir A, Brandis A, Krajmalnik-Brown R, Zeibich L, Chang D, Dirks B, Tsaban G, Kaplan A, Rinott E, Zelicha H, Arinos S, Ceglarek U, Isermann B, Lapidot M, Green R, Shai I. Wolffia globosa-Mankai Plant-Based Protein Contains Bioactive Vitamin B12 and Is Well Absorbed in Humans. Nutrients. 2020 Oct 8;12(10):3067. doi: 10.3390/nu12103067.
PMID: 33049929BACKGROUNDYaskolka Meir A, Tuohy K, von Bergen M, Krajmalnik-Brown R, Heinig U, Zelicha H, Tsaban G, Rinott E, Kaplan A, Aharoni A, Zeibich L, Chang D, Dirks B, Diotallevi C, Arapitsas P, Vrhovsek U, Ceglarek U, Haange SB, Rolle-Kampczyk U, Engelmann B, Lapidot M, Colt M, Sun Q, Shai I. The Metabolomic-Gut-Clinical Axis of Mankai Plant-Derived Dietary Polyphenols. Nutrients. 2021 May 30;13(6):1866. doi: 10.3390/nu13061866.
PMID: 34070816BACKGROUNDTsaban G, Yaskolka Meir A, Rinott E, Zelicha H, Kaplan A, Shalev A, Katz A, Rudich A, Tirosh A, Shelef I, Youngster I, Lebovitz S, Israeli N, Shabat M, Brikner D, Pupkin E, Stumvoll M, Thiery J, Ceglarek U, Heiker JT, Korner A, Landgraf K, von Bergen M, Bluher M, Stampfer MJ, Shai I. The effect of green Mediterranean diet on cardiometabolic risk; a randomised controlled trial. Heart. 2021 Jun 11;107(13):1054-1061. doi: 10.1136/heartjnl-2020-317802.
PMID: 33234670BACKGROUNDYaskolka Meir A, Rinott E, Tsaban G, Zelicha H, Kaplan A, Rosen P, Shelef I, Youngster I, Shalev A, Bluher M, Ceglarek U, Stumvoll M, Tuohy K, Diotallevi C, Vrhovsek U, Hu F, Stampfer M, Shai I. Effect of green-Mediterranean diet on intrahepatic fat: the DIRECT PLUS randomised controlled trial. Gut. 2021 Nov;70(11):2085-2095. doi: 10.1136/gutjnl-2020-323106. Epub 2021 Jan 18.
PMID: 33461965BACKGROUNDZelicha H, Kloting N, Kaplan A, Yaskolka Meir A, Rinott E, Tsaban G, Chassidim Y, Bluher M, Ceglarek U, Isermann B, Stumvoll M, Quayson RN, von Bergen M, Engelmann B, Rolle-Kampczyk UE, Haange SB, Tuohy KM, Diotallevi C, Shelef I, Hu FB, Stampfer MJ, Shai I. The effect of high-polyphenol Mediterranean diet on visceral adiposity: the DIRECT PLUS randomized controlled trial. BMC Med. 2022 Sep 30;20(1):327. doi: 10.1186/s12916-022-02525-8.
PMID: 36175997BACKGROUNDTsaban G, Shalev A, Katz A, Yaskolka Meir A, Rinott E, Zelicha H, Kaplan A, Wolak A, Bluher M, Stampfer MJ, Shai I. Effect of Lifestyle Modification and Green Mediterranean Diet on Proximal Aortic Stiffness. J Am Coll Cardiol. 2023 Apr 25;81(16):1659-1661. doi: 10.1016/j.jacc.2023.02.032. No abstract available.
PMID: 37076220BACKGROUNDTsaban G, Yaskolka Meir A, Zelicha H, Rinott E, Kaplan A, Shalev A, Katz A, Brikner D, Bluher M, Ceglarek U, Stumvoll M, Stampfer MJ, Shai I. Diet-induced Fasting Ghrelin Elevation Reflects the Recovery of Insulin Sensitivity and Visceral Adiposity Regression. J Clin Endocrinol Metab. 2022 Jan 18;107(2):336-345. doi: 10.1210/clinem/dgab681.
PMID: 34643713BACKGROUNDRinott E, Meir AY, Tsaban G, Zelicha H, Kaplan A, Knights D, Tuohy K, Scholz MU, Koren O, Stampfer MJ, Wang DD, Shai I, Youngster I. The effects of the Green-Mediterranean diet on cardiometabolic health are linked to gut microbiome modifications: a randomized controlled trial. Genome Med. 2022 Mar 10;14(1):29. doi: 10.1186/s13073-022-01015-z.
PMID: 35264213BACKGROUNDRinott E, Youngster I, Yaskolka Meir A, Tsaban G, Zelicha H, Kaplan A, Knights D, Tuohy K, Fava F, Scholz MU, Ziv O, Rubin E, Tirosh A, Rudich A, Bluher M, Stumvoll M, Ceglarek U, Clement K, Koren O, Wang DD, Hu FB, Stampfer MJ, Shai I. Effects of Diet-Modulated Autologous Fecal Microbiota Transplantation on Weight Regain. Gastroenterology. 2021 Jan;160(1):158-173.e10. doi: 10.1053/j.gastro.2020.08.041. Epub 2020 Aug 26.
PMID: 32860791BACKGROUNDZelicha H, Kaplan A, Yaskolka Meir A, Tsaban G, Rinott E, Shelef I, Tirosh A, Brikner D, Pupkin E, Qi L, Thiery J, Stumvoll M, Kloting N, von Bergen M, Ceglarek U, Bluher M, Stampfer MJ, Shai I. The Effect of Wolffia globosa Mankai, a Green Aquatic Plant, on Postprandial Glycemic Response: A Randomized Crossover Controlled Trial. Diabetes Care. 2019 Jul;42(7):1162-1169. doi: 10.2337/dc18-2319. Epub 2019 May 10.
PMID: 31076421BACKGROUNDGepner Y, Golan R, Harman-Boehm I, Henkin Y, Schwarzfuchs D, Shelef I, Durst R, Kovsan J, Bolotin A, Leitersdorf E, Shpitzen S, Balag S, Shemesh E, Witkow S, Tangi-Rosental O, Chassidim Y, Liberty IF, Sarusi B, Ben-Avraham S, Helander A, Ceglarek U, Stumvoll M, Bluher M, Thiery J, Rudich A, Stampfer MJ, Shai I. Effects of Initiating Moderate Alcohol Intake on Cardiometabolic Risk in Adults With Type 2 Diabetes: A 2-Year Randomized, Controlled Trial. Ann Intern Med. 2015 Oct 20;163(8):569-79. doi: 10.7326/M14-1650. Epub 2015 Oct 13.
PMID: 26458258BACKGROUNDDorans KS, Bazzano LA, Qi L, He H, Chen J, Appel LJ, Chen CS, Hsieh MH, Hu FB, Mills KT, Nguyen BT, O'Brien MJ, Samet JM, Uwaifo GI, He J. Effects of a Low-Carbohydrate Dietary Intervention on Hemoglobin A1c: A Randomized Clinical Trial. JAMA Netw Open. 2022 Oct 3;5(10):e2238645. doi: 10.1001/jamanetworkopen.2022.38645.
PMID: 36287562BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Idit Liberty
Soroka University Medical Center
- STUDY DIRECTOR
Iris Shai
Ben-Gurion University of the Negev
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Prof. Iris Shai
Study Record Dates
First Submitted
March 21, 2024
First Posted
May 16, 2024
Study Start
April 30, 2024
Primary Completion
August 8, 2024
Study Completion
August 15, 2024
Last Updated
May 16, 2024
Record last verified: 2024-05
Data Sharing
- IPD Sharing
- Will not share