Europe — EMA
Neodiset (Calcifediol Monohydrate)
GNH USA supplies Neodiset (Calcifediol), a vitamin D analogue for vitamin D deficiency and secondary hyperparathyroidism in CKD. Request a quote for supply.
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What is Calcifediol Monohydrate?
Calcifediol, the active ingredient in Neodiset, is a vitamin D analogue presented as an oral formulation for oral administration. It is used to correct vitamin D deficiency and to manage secondary hyperparathyroidism in patients with chronic kidney disease, helping to maintain appropriate calcium and phosphate balance.
GNH USA supplies Neodiset as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, transplant centres, oncology centres, pharmacies and clinics worldwide. Our distribution network ensures reliable access to quality‑assured products across diverse healthcare settings.
What is Calcifediol Monohydrate used for?
Neodiset is a vitamin D analogue that addresses disorders of calcium and phosphate metabolism.
- Vitamin D deficiency: restores serum 25‑hydroxyvitamin D concentrations to normal levels. - Secondary hyperparathyroidism associated with chronic kidney disease: lowers parathyroid hormone levels and improves calcium/phosphate balance. - Renal osteodystrophy: supports bone health in patients with chronic kidney disease.
What are the side effects of Calcifediol Monohydrate?
Neodiset may cause a range of adverse reactions, most of which are mild and reversible.
Common Side Effects: - Hypercalcemia: elevated blood calcium levels. - Hyperphosphatemia: increased serum phosphate. - Nausea or gastrointestinal discomfort. - Headache or fatigue. - Constipation.
Serious or Rare Side Effects: - Severe hypercalcemia leading to cardiac arrhythmia. - Renal impairment or nephrolithiasis. - Allergic reactions such as rash or angioedema. - Soft tissue calcification. - Granulomatous disease exacerbation.
What precautions apply to Calcifediol Monohydrate?
Before initiating therapy, clinicians should consider several safety measures.
- Monitor serum calcium and phosphate: adjust dose based on laboratory values. - Adjust dosing in renal impairment: reduced clearance may increase risk of hypercalcemia. - Avoid concurrent high‑dose vitamin D or calcium supplements: may potentiate hypercalcemia. - Use caution during pregnancy and lactation: safety data are limited; consult a physician. - Review patient history for hyperparathyroidism or granulomatous disorders. - Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.
What does Calcifediol Monohydrate interact with?
Calcifediol can interact with several medicines, requiring attention to avoid adverse outcomes.
Major Interactions (Avoid): - Thiazide diuretics: may increase calcium retention and risk of hypercalcemia. - Calcium supplements: additive effect on serum calcium levels. - High‑dose vitamin A: synergistic hypercalcemic potential.
Moderate Interactions (Monitor Closely): - Anticonvulsants (e.g., phenytoin, phenobarbital): accelerate vitamin D metabolism, reducing efficacy. - Glucocorticoids: increase catabolism of vitamin D metabolites. - Bile acid sequestrants: impair intestinal absorption of calcifediol.



