Indian Pediatrics

, Volume 51, Issue 4, pp 265–272 | Cite as

300,000 IU or 600,000 IU of oral vitamin D3 for treatment of nutritional rickets: A randomized controlled trial

  • Hema Mittal
  • Sunita Rai
  • Dheeraj Shah
  • S. V. Madhu
  • Gopesh Mehrotra
  • Rajeev Kumar Malhotra
  • Piyush GuptaEmail author
Research Paper



To evaluate the non-inferiority of a lower therapeutic dose (300,000 IU) in comparison to standard dose (600,000) IU of Vitamin D for increasing serum 25(OH) D levels and achieving radiological recovery in nutritional rickets.


Randomized, open-labeled, controlled trial.


Tertiary care hospital.


76 children (median age 12 mo) with clinical and radiologically confirmed rickets.


Oral vitamin D3 as 300,000 IU (Group 1; n=38) or 600,000 IU (Group 2; n=38) in a single day.

Outcome variables

Primary: Serum 25(OH)D, 12 weeks after administration of vitamin D3; Secondary: Radiological healing and serum parathormone at 12 weeks; and clinical and biochemical adverse effects.


Serum 25(OH)D levels [geometric mean (95% CI)] increased significantly from baseline to 12 weeks after therapy in both the groups [Group 1: 7.58 (5.50–10.44) to 16.06 (12.71–20.29) ng/mL, P<0.001]; Group 2: 6.57 (4.66–9.25) to 17.60 (13.71–22.60, P<0.001]. The adjusted ratio of geometric mean serum 25(OH)D levels at 12 weeks between the groups (taking baseline value as co-variate) was 0.91 (95% CI: 0.65–1.29). Radiological healing occurred in all children by 12 weeks. Both groups demonstrated significant (P<0.05) and comparable fall in the serum parathormone and alkaline phosphatase levels at 12 weeks. Relative change [ratio of geometric mean (95% CI)] in serum PTH and alkaline phosphatase, 12 weeks after therapy, were 0.98 (0.7–1.47) and 0.92 (0.72–1.19), respectively. The serum 25(OH)D levels were deficient (<20 ng/mL) in 63% (38/60) children after 12 weeks of intervention [Group 1: 20/32 (62.5%); Group 2: 18/28 (64.3%)]. No major clinical adverse effects were noticed in any of the children. Hypercalcemia was documented in 2 children at 4 weeks (1 in each Group) and 3 children at 12 weeks (1 in Group 1 and 2 in Group 2). None of the participants had hypercalciuria or hypervitaminosis D.


A dose of 300,000 IU of vitamin D3 is comparable to 600,000 IU, administered orally, over a single day, for treating rickets in under-five children although there is an unacceptably high risk of hypercalcemia in both groups. None of the regime is effective in normalization of vitamin D status in majority of patients, 3 months after administering the therapeutic dose.

Key Words

Children Rickets Treatment Serum 25(OH)D Stoss Therapy Vitamin D3 


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Copyright information

© Indian Academy of Pediatrics 2014

Authors and Affiliations

  • Hema Mittal
    • 1
  • Sunita Rai
    • 1
  • Dheeraj Shah
    • 1
  • S. V. Madhu
    • 2
  • Gopesh Mehrotra
    • 3
  • Rajeev Kumar Malhotra
    • 4
  • Piyush Gupta
    • 1
    • 5
    Email author
  1. 1.Department of PediatricsUniversity College of Medical SciencesDilshad GardenIndia
  2. 2.Department of EndocrinologyUniversity College of Medical SciencesDilshad GardenIndia
  3. 3.Department of RadiologyUniversity College of Medical SciencesDilshad GardenIndia
  4. 4.Department of BiostatisticsUniversity College of Medical SciencesDilshad GardenIndia
  5. 5.Dilshad GardenIndia

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