This study investigates the safety and combined effect of Cranberry leaves, Cranberry Berries, Alfalfa, Fenugreek, Lemon Beebrush, Urtica, Dog-rose, and Sumac on improving the glycemic profile of patients with type 2 diabetes mellitus compared to the placebo group.
The present double-blind, randomized and placebo-controlled study will be conducted on type 2 diabetes mellitus patients to evaluate the safety and combined effect of Cranberry leaves, Cranberry Berries, Alfalfa, Fenugreek, Lemon Beebrush, Urtica, Dog-rose, and Sumac on improving glycemic profiles (fasting blood sugar, glycosylated Hemoglobin, 2 hours postprandial blood sugar, insulin concentration, insulin resistance, and beta-cell function). The study also evaluates systolic blood pressure, diastolic blood pressure, anthropometric variables, lipid profile, C-reactive protein, and renal and liver function tests. A pilot study with 30 participants will be conducted to estimate the sample size considering 0.05 first type error and a power of 80%. Individuals aged between 18-70 with a diagnosis of type 2 diabetes mellitus based on WHO criteria for at least one year will be enrolled. Participants will be randomized in the placebo or intervention group to receive two capsules per day before lunch and dinner for six months containing 200 milligrams of equally combined extracts of Cranberry leaves, Cranberry Berries, Alfalfa, Fenugreek, Lemon Beebrush, Urtica, Dog-rose, and Sumac. Participants will be followed up with four office visits (t0= baseline, 1=15th day, 2t=3rd month, 3t=6th month) to assess outcomes. Also, the complications and adherence of patients to intervention will be checked every two weeks by telephonic discussion. The analysis will be performed based on the intent-to-treat method.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
60
Capsules containing dog-rose, Cranberry leaves, Cranberry Berries, Alfalfa, Fenugreek, Lemon Beebrush, Urtica, and Sumac
Placebo capsules containing maltodextrin
Imam Reza hospital and clinic of Salamat
Tabriz, AzarbayejaneShargi, Iran
Fasting blood glucose
Change in fasting blood glucose in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Insulin level
Change in insulin level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Hemoglobin A1c level
Change in hemoglobin A1c level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
High density lipoprotein (HDL) level
Change in high density lipoprotein (HDL) level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Low density lipoprotein (LDL) level
Change in low density lipoprotein (LDL) level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Triglyceride level
Change in triglyceride level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Total cholesterol level
Change in total cholesterol level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Aspartate transaminase level
Change in aspartate transaminase level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
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Alanine aminotransferase level
Change in alanine aminotransferase level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Blood urea nitrogen level
Change in blood urea nitrogen level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Creatinine level
Change in creatinine level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Prothrombin time
Change in prothrombin time in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Bilirubin level
Change in bilirubin level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Ferritin level
Change in ferritin level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
Cholinesterase level
Change in cholinesterase level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention
High-sensitivity C-reactive protein level
Change in high-sensitivity C-reactive protein level in response to intervention
Time frame: Day 0, 15, 90, 180 post intervention