ATC Group: A11CC03 Alfacalcidol

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of A11CC03 in the ATC hierarchy

Level Code Title
1 A Alimentary tract and metabolism
2 A11 Vitamins
3 A11C Vitamin A and D, incl. combinations of the two
4 A11CC Vitamin D and analogues
5 A11CC03 Alfacalcidol

Defined daily dose

The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults. The DDD is a unit of measurement and does not necessarily reflect the recommended or Prescribed Daily Dose. Therapeutic doses for individual patients and patient groups will often differ from the DDD as they will be based on individual characteristics (such as age, weight, ethnic differences, type and severity of disease) and pharmacokinetic considerations.

Route Amount
ORAL - Oral 1 ug
PAREN - Parenteral 1 ug

Active ingredients in A11CC03

Active Ingredient Description

Alfacalcidol is Vitamin D-hormone analog (an active metabolite of Vitamin D), which performs important functions in regulation of the calcium balance and the bone metabolism and is activated by the enzyme 25-hydroxylase (converted rapidly in the liver to 1,25-dihydroxyvitamin D) for systemic and in osteoblasts for local D-hormone actions.

Related product monographs

Title Information Source Document Type  
ONE-ALPHA Capsules Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
ONE-ALPHA Solution for injection Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
ZODORAY Capsule Health Products Regulatory Authority (ZA) MPI, Generic

Medicines in this ATC group

Austria (AT)

Brazil (BR)

Canada (CA)

Cyprus (CY)

Estonia (EE)

Finland (FI)

France (FR)

Hong Kong (HK)

Ireland (IE)

Israel (IL)

Japan (JP)

Lithuania (LT)

Malta (MT)

Mexico (MX)

Netherlands (NL)

New Zealand (NZ)

Poland (PL)

Romania (RO)

Singapore (SG)

South Africa (ZA)

Spain (ES)

Tunisia (TN)

Turkey (TR)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.