Topical Delivery of Vitamin D3: A Randomized Controlled Trial (RCT)

After obtaining the approval from the Institutional Review Board (IRB) of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited. Age, weight and height will be taken, a detailed history, meticulous clinical examination was performed to rule out any diseases and complete blood picture, serum calcium, phosphorous, alkaline phosphatase, Parathormone and 25 Hydroxy-vitamin D (25OHD) will be done. 25-Hydroxy Vitamin D3 was measured in house by chemiluminescence immunoassay (CLIA) and ≥30ng/mL was taken as normal, 21-29ng/mL as insufficiency and ≤20 ng/mL as deficiency. The participants were divided into two groups of 350 in study arm and 200 in control arm. All participants were instructed not to change their dietary habits and life style till the study was over. The study group of women were instructed to apply to apply Top-D (Proniosomal Delivered- Vitamin D3) I gram gram containing 5000 IU of vitamin D3. The second group used 1 gram of Aloe vera gel. The participants had no knowledge to which group they belong. A second blood sample was taken at the end of 4 months and the data was entered in the data base and analyzed using SPSS Inc version 19.