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Vitamin D and Magnesium co-supplementation in diabetic macular edema

Determination the effect of vitamin D and magnesium co-supplementation on serum level of interleukin-6, anthropometric indexes, metabolic status and visual outcomes in diabetic macular edema patients

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250225064852N1
Enrollment
88
Registered
2025-04-14
Start date
2025-04-19
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetic macular edema. Type 2 diabetes mellitus with unspecified diabetic retinopathy with macular edema

Interventions

Intervention 1: Intervention group: The group receiving supplements included Vitamin D Pearls 50,000IU ( manufactured by Zahravi Company) and magnesium citrate sachets manufactured by Sajpad Darou Com

Sponsors

Ahvaz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Consent and willingness to to participate in the study Patient's age should be older than 18 years old Having type 2 diabetes Having diabetic macular edema: a central macular thickness(CMT, i.e., within the central 1 mm of the macula) of 270 microns or above, as determined by optical coherence tomography (OCT) imaging Best corrected visual acuity(BCVA) of 20/32 to 20/200 range in the affected eye according to Snellen Eye chart Over all eye status should be good for eye examination and optical coherence tomography (OCT) imaging(good pupil dilation,....)

Exclusion criteria

Exclusion criteria: History of other eye disease like cataract or Glaucoma ,... History of eye surgery Pregnancy or breastfeeding Taking magnesium or vitamin D supplements in the last three months Taking diuretics and laxatives containing magnesium Receiving antibiotics and bisphosphonates History of renal or hepatic disease History of uveitis Having other endocrine disease, such as thyroid dysfunction Diagnosis of any disease during the study period Any previous intravitreal injections (anti-VEGF agents, steroids, etc.), in last six month serum 25-hydroxyvitamin D level higher than 40ng/ml

Design outcomes

Primary

MeasureTime frame
Interleukin-6 serum levels. Timepoint: Before the start of the intervention and three months later. Method of measurement: Approved kit for measuring interleukin-6.

Secondary

MeasureTime frame
Magnesium status. Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring Magnesium.;25-hydroxyvitamin D3. Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring 25-hydroxyvitamin D3.;Systolic blood pressure. Timepoint: Before the start of the intervention and three month later. Method of measurement: Mercury sphygmomanometer.;Fasting blood sugar. Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring Fasting blood sugar.;Diastolic blood pressure. Timepoint: Before the start of the intervention and three month later. Method of measurement: Mercury sphygmomanometer.;Low Density Lipoprotein (LDL). Timepoint: Before the start of the intervention and three month later. Method of measurement: Friedewald Equation for Low Density Lipoprotein.;Triglyceride (TG). Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring serum Triglyceride (TG).;High Density Lipoprotein(HDL). Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring serum High Density Lipoprotein(HDL).;Hemoglobin A1C(HbA1C). Timepoint: Before the start of the intervention and three month later. Method of measurement: Approved kit for measuring serum Hemoglobin A1C(HbA1C).;Central Macular Thickness (CMT). Timepoint: Before the start of the intervention and three month later. Method of measurement: Optical coherence tomography(OCT) imaging.;Best corrected visual acuity (BCVA). Timepoint: Before the start of the intervention and three month later. Method of measurement: by Snellen Eye Chart.;Weight. Timepoint: Before the start of the intervention and three month later. Method of measurement: measured by digital scale ( accuracy of scale:100 grams).;Body mass index(BMI). Timepoint: Before the sta

Countries

Iran (Islamic Republic of)

Contacts

Public ContactZahra Osfoori

Ahvaz University of Medical Sciences

osfoori.z@ajums.ac.ir+98 61 3311 2713

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026