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Flaxseed Supplementation in Prediabetic Adults (LINAPRED)

C

Centro Universitario de Ciencias de la Salud, Mexico

Status

Enrolling

Conditions

Prediabetic State

Treatments

Other: Flaxseed
Other: Dietary plan

Study type

Interventional

Funder types

Other

Identifiers

NCT05245825
CI-01721

Details and patient eligibility

About

Prediabetes is the term used to describe the condition where blood glucose level is higher than normal but lower than the diagnosis criteria of type 2 diabetes mellitus (T2DM). This condition confers a high risk for the development of T2DM and other diseases. Prediabetes could be reversible with lifestyle modifications, which include medical-nutrition therapy. Within these modifications, a healthy diet high in fiber and sources of alpha-linolenic acid is recommended. Flaxseed is a seed that is considered a functional food because it can provide health benefits due to its high content of fiber, alpha-linolenic acid, and lignans, these components could improve glycemic control in prediabetes patients by different mechanisms. The purpose of this study is to assess the effect of flaxseed on glycemic control in prediabetic adults.

Full description

Prediabetes is a condition that increases the risk of T2DM and other diseases, its prevalence increases year after year despite being a reversible condition through lifestyle changes, diet, and medication. Therefore, it is important to find new strategies that, together with the known treatments, help to improve glycemic control in people with prediabetes and thus their risk of developing TDM2. Among these strategies may be the consumption of flaxseed, one of the main sources of alpha-linolenic acid (ALA), an omega-3 fatty acid, lignans, and fiber.

This open-label randomized clinical trial will include, prior informed consent, 96 men and women with prediabetes, subjects will be allocated in two groups, the intervention group or the control group. The intervention group will receive 30 g per day of ground flaxseed dissolved in water, (15 g in the morning and 15 g in the night), they will also be provided with a dietary plan. The Control group will not receive any supplementation, only a dietary plan controlled in alpha-linolenic acid.

The intervention will last 12 weeks; during this time, all patients will be scheduled every 2 weeks for follow-up visits. During the follow-up visits, subjects will be evaluated for changes in gastrointestinal symptoms, and adherence to supplementation, which will be assessed by a daily record, and the return of empty or unopened bags of flaxseed.

Every month, all subjects will undergo anthropometric, clinical, dietary, and biochemical evaluations that include measurements of body weight, body composition, waist, and hip circumferences, blood pressure, physical activity, quality of food intake, dietary intake, fasting plasma glucose, hemoglobin A1C, insulin, LDL-C, HDL-C, triglycerides, and total cholesterol; an oral glucose tolerance test will be performed at baseline and the end of the study to each subject.

At the end of the study, the obtained information will be shared with the scientific community to provide a possible food-based strategy for prediabetic adults in addition to the already known prediabetes treatment. All participants of the study will be beneficiated with free nutritional, anthropometric, and biochemical assessments.

Enrollment

96 estimated patients

Sex

All

Ages

30 to 59 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients who agree to participate in the study once they have read and signed the informed consent
  • Men and women
  • Fasting glucose levels between 100 and 125 mg/dl
  • Age 30-59 years
  • Stable weight in the last 3 months (no more than 5% weight change)

Exclusion criteria

  • Fasting glucose <100 and >125 mg/dl
  • Anemia
  • Consumption of drugs that may modify glucose levels
  • Consumption of flaxseed, chia, or omega-3, three months before the study
  • Alternative diets (vegetarian, vegan, ketogenic, etc.)
  • Pregnancy and breastfeeding
  • Allergy or intolerance to flaxseed

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

96 participants in 2 patient groups

Flaxseed and dietary plan
Experimental group
Description:
30 g of ground flaxseed daily and a dietary plan
Treatment:
Other: Flaxseed
Control
Other group
Description:
Dietary plan controlled in alpha-linolenic acid consumption
Treatment:
Other: Dietary plan

Trial contacts and locations

1

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Central trial contact

Gabriela Macedo, PhD; Yareni Zuñiga, PhD

Data sourced from clinicaltrials.gov

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