Fluminense Federal University
Patients with chronic kidney disease (CKD) experience many complications related to inflammation and oxidative stress that are closely related to the progression of kidney failure and increased mortality. Furthermore, these patients may have intestinal dysbiosis associated with persistent uremia, generating greater production of uremic toxins arising from the metabolism of intestinal bacteria and also helping to maintain the inflammatory process and oxidative stress. In this context, some nutritional strategies have been proposed as an adjuvant therapeutic alternative to modulate inflammation and improve the antioxidant response of patients with CKD, and even more so to modulate the intestinal microbiota. Based on the consolidated knowledge of the role of nutrients and bioactive compounds on the expression of genes related to inflammation, oxidative stress, and also the modulation of the intestinal microbiota, cinnamon, a member of the Lauraceae family, has been widely used as a spice and traditional herbal medicine for centuries and has indicated beneficial benefits in cardiovascular diseases, obesity, diabetes. The bioactive compounds in cinnamomum, such as cinnamaldehyde, cinnamic acid, and cinnamate, can attenuate oxidative stress, inflammation, hyperglycemia, intestinal dysbiosis, and dyslipidemia, which are common complications in CKD patients. Therefore, the present project proposes a longitudinal clinical trial study that aims to evaluate the effects of cinnamomum on transcription factors and inflammatory markers, oxidative stress and modulation of intestinal health in patients with CKD on hemodialysis.
Chronic Kidney Diseases
cinnamomum
Placebo
NA
This is a longitudinal study of the randomized, double-blind, placebo-controlled clinical trial type (randomized controlled trial - RCT) where patients will be allocated into two groups \[intervention group (15 patients on conservative treatment and 15 patients on hemodialysis ) and placebo group (15 patients on conservative treatment and 15 patients on hemodialysis)\]. In the intervention group, participants will receive a capsule containing 60 capsules of 500 mg of powdered cinnamomum bark (cinnamomum verum; 40% polyphenols). Participants in this group will be instructed to consume two capsules per day, one after lunch and the other after dinner for 3 months, and every month the research team will provide a bottle containing 60 capsules of 500 mg of cinnamomum bark powder. (Cinnamomum verum; 40% polyphenols). The placebo group will receive 60 capsules with 500 mg of cornstarch per month, until the end of the three months of intervention, and the guidelines will be the same as those given to the intervention group. Randomization will be performed after inclusion and exclusion criteria are verified. Eligible patients will be assigned 1:1 to both study arms according to a computer-generated list of treatment codes. An independent, appropriately trained statistician will assign participants to intervention and placebo groups at random. Randomization and allocation will be concealed from researchers and participants until main analyzes are completed. Blood tests, assessment of food intake and anthropometric measurements will be carried out at the beginning of the follow-up and at the end of three months of treatment, with no additional need for the patient to travel to the collection sites. This will be carried out on hemodialysis days or pre-scheduled routine appointments. If extra travel is necessary, the patient will be reimbursed for transportation costs. Each month, researchers will go to the hemodialysis clinic to check adherence to treatment by counting capsules and subsequently delivering new pots for use in the following month, until the three months of study are completed. In addition, researchers will contact participants by phone weekly to monitor possible side effects, possible questions, and adherence.
| Study Type : | INTERVENTIONAL |
| Estimated Enrollment : | 30 participants |
| Masking : | DOUBLE |
| Primary Purpose : | SUPPORTIVE_CARE |
| Official Title : | Effects of Cinnamomum Supplementation on Inflammation, Oxidative Stress, and Intestinal Microbiota in Patients With CKD. |
| Actual Study Start Date : | 2025-04-22 |
| Estimated Primary Completion Date : | 2025-11-22 |
| Estimated Study Completion Date : | 2026-12-22 |
Information not available for Arms and Intervention/treatment
| Ages Eligible for Study: | 18 Years to 65 Years |
| Sexes Eligible for Study: | ALL |
| Accepts Healthy Volunteers: |
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