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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03558867
Registration number
NCT03558867
Ethics application status
Date submitted
5/06/2018
Date registered
15/06/2018
Date last updated
23/02/2024
Titles & IDs
Public title
Personalised Medicine in Pre-diabetes and Early Type 2 Diabetes
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Scientific title
Personalised Medicine in Prediabetes - Towards Preventing Diabetes in Individuals at Risk
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Secondary ID [1]
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SVH 17/080
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Universal Trial Number (UTN)
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Trial acronym
PREDICT
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Pre Diabetes
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Type 2 Diabetes Mellitus
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Condition category
Condition code
Metabolic and Endocrine
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Diabetes
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Metabolic and Endocrine
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Metabolic disorders
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Metabolic and Endocrine
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Other metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Metformin + Healthy diet
Treatment: Drugs - Metformin + Personalized diet
Placebo comparator: Metformin + Healthy diet - Metformin (1500 mg/d, Extended Release) + Healthy, low fat diet
Active comparator: Metformin + Personalized diet - Metformin (1500 mg/d, Extended Release) + Personalized diet based on an algorithm developed at the Weizmann Institute of Science (Zeevi et al, Cell 2015)
Treatment: Drugs: Metformin + Healthy diet
Metformin (1500 mg/d, Extended Release) + Healthy, low fat diet
Treatment: Drugs: Metformin + Personalized diet
Metformin (1500 mg/d, Extended Release) + Algorithm-based personalized diet
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Mean change in glycated haemoglobin (HbA1C, %) from baseline
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Assessment method [1]
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Difference in the reduction of HbA1C between the groups
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Timepoint [1]
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6 months
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Secondary outcome [1]
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Total daily time of interstitial glucose levels below 7.8 mmol/L (140 mg/dL)
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Assessment method [1]
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Difference in the time (minutes) per day with interstitial glucose measured below 7.8 mmol/L (140 mg/dL) between the groups
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Timepoint [1]
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6 months
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Secondary outcome [2]
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Glycaemic variability
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Assessment method [2]
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Difference in the glycaemic variability as derived from CGM between the groups
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Timepoint [2]
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6 months
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Secondary outcome [3]
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Body weight
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Assessment method [3]
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Difference in the magnitude of weight loss between the groups
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Timepoint [3]
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6 months
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Secondary outcome [4]
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Body fat mass
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Assessment method [4]
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Difference in body fat mass composition as assessed using dual-energy X-ray absorptiometry (DXA) between the groups
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Timepoint [4]
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6 months
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Secondary outcome [5]
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Abdominal visceral fat volume
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Assessment method [5]
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Difference in the abdominal visceral fat volume as assessed using DXA between the groups
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Timepoint [5]
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6 months
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Secondary outcome [6]
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Serum low-density lipoprotein (LDL)-cholesterol concentration
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Assessment method [6]
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Difference in serum LDL-cholesterol between the groups
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Timepoint [6]
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6 months
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Secondary outcome [7]
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Serum high-density lipoprotein (HDL)-cholesterol concentration
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Assessment method [7]
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Difference in serum HDL-cholesterol concentration between the groups
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Timepoint [7]
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6 months
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Secondary outcome [8]
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Serum triglycerides concentration
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Assessment method [8]
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Difference in serum triglycerides between the groups
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Timepoint [8]
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6 months
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Secondary outcome [9]
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Blood pressure
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Assessment method [9]
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Difference in diastolic and systolic blood pressure between the groups
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Timepoint [9]
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6 months
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Secondary outcome [10]
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Liver fat
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Assessment method [10]
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Difference in liver fat measured by the Fibroscan's controlled attenuation parameter (CAP) function between the groups
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Timepoint [10]
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6 months
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Eligibility
Key inclusion criteria
Inclusion criteria:
* Individuals with pre-diabetes or newly-diagnosed (in the last 6 months) with type 2 diabetes, fulfilling the following criteria:
* Impaired fasting glucose (IFG, plasma glucose [PG]- 5.6 - 6.9 mmol/L, ±0.2 mmol/L) and/or impaired glucose tolerance (IGT, 2-h PG 7.8 - 11.0 mmol/L, ±0.2 mmol/L) with or without elevated HbA1c (up to 8.0 %).
* Willingness to provide written informed consent and willingness to participate and comply with the study.
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Minimum age
20
Years
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Maximum age
70
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Females planning a pregnancy during the course of the research or 3 months after completion of the research project.
* Patients with type 1 diabetes, chronically active inflammatory disease, neoplastic disease in the previous 3 years, chronic gastrointestinal disorders, including inflammatory bowel disease or celiac.
* Liver enzymes ALT and/or AST>3-times normal range limit.
* Abnormal renal function as measured by (eGFR<45 mL/min/1.73m^2).
* Individuals with a history of a psychological illness or condition that may interfere with the individual's ability to understand the requirements of the study.
* Normo-glycaemia.
* HbA1c>8.0%
* Cardiovascular event in the previous 6 months.
* Current or recent (within 24 months) treatment with a glucose lowering medication (i.e. GLP-1 receptor agonist, SGLT2 inhibitor, thiazolidinedione, sulfonylurea, DPP-4 inhibitor or insulin).
* Current or recent (within 3 months) treatment with metformin.
* Treatment with an oral steroid.
* Treatment with antibiotics/antifungal in the last 3 month.
* Treatment with immunosuppressive medications.
* Alcohol or substance abuse.
* Participants who had received an investigational new drug within the last 6 months.
* Participants involved in another clinical study.
* Participants who actively lose weight.
* Participants who had a bariatric surgery.
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
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Intervention assignment
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
5/06/2018
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
30/07/2024
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Actual
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Sample size
Target
264
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Garvan Institute of Medical Research - Sydney
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Recruitment postcode(s) [1]
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2010 - Sydney
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Funding & Sponsors
Primary sponsor type
Other
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Name
Garvan Institute of Medical Research
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Weizmann Institute of Science
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
Prediabetes is a common condition in overweight individuals affecting approximately 35% of American adults and 30% of Australian adults. Like diabetes, prediabetes is a serious risk factor for cardiovascular disease, eye, kidney and liver disease, and some types of cancer. Appropriate blood glucose control is crucial in preventing pre-diabetes complications and onset of diabetes, yet clinical practice, backed by randomised trials, reports that many patients treated with standard dietary guidelines or with the first-line treatment of diabetes patients, metformin, do not improve blood glucose control sufficiently. The overarching goal of the present project is to improve the efficacy of metformin mono-therapy in pre-diabetes and early type 2 diabetes.
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Trial website
https://clinicaltrials.gov/study/NCT03558867
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Trial related presentations / publications
Htet TD, Godneva A, Liu Z, Chalmers E, Kolobkov D, Snaith JR, Richens R, Toth K, Danta M, Hng TM, Elinav E, Segal E, Greenfield JR, Samocha-Bonet D. Rationale and design of a randomised controlled trial testing the effect of personalised diet in individuals with pre-diabetes or type 2 diabetes mellitus treated with metformin. BMJ Open. 2020 Oct 10;10(10):e037859. doi: 10.1136/bmjopen-2020-037859.
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Public notes
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Contacts
Principal investigator
Name
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Dorit Samocha-Bonet, PhD
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Address
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Garvan Institute of Medical Research
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT03558867
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