Alfacalcidol

DB01436ApprovedInvestigationalNutraceuticalSmall moleculeVitamin D and Analogues

Alfacalcidol is a vitamin D analogue used for the management of hypocalcemia, secondary hyperparathyroidism, and osteodystrophy in patients with chronic renal failure, as well as some types of rickets and osteomalacia. It plays an essential function in calcium homeostasis and bone metabolism.

Chemical structure of Alfacalcidol
Mechanism
Curator reviewed · 1 reference
Primary indication
Alfacalcidol is indicated in adult patients with chronic renal failure for the management of hypocalcemia, secondary hyperparathyroidism, or osteodystrophy.Curator reviewed · 11 structured indications
Formula / weight
C27H44O2 · 400.6371 g/mol (avg)
First approval
Canada, 1999
Brand names
  • One-alpha

Resolves to

Structure
InChIKeyOFHCOWSQAMBJIW-AVJTYSNKSA-NSMILESCC(C)CCC[C@@H](C)[C@@]1([H])CC[C@@]2([H])\C(CCC[C@]12C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C

What you can answer from here — as of September 23, 2026

3Protein targetsEach mapped to UniProt, with action and pharmacological action
Listed above
156Drug interactionsStructured to mechanism, not free text
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32Clinical trialsPhase, status and sponsor resolved per trial
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11Structured indicationsCondition, population, route and combination as fields, not prose
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4ContraindicationsEach with its own population and attribute set
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156Marketed productsAcross 10 countries and 31 labellers
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2ATC codesIncluding every combination product, plus 16 drug categories
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31+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Alfacalcidol, and which of those have an active Phase 3 trial?

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