ATC Group: L02BG04 Letrozole

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 L02BG04 in the ATC hierarchy

Level Code Title
1 L Antineoplastic and immunomodulating agents
2 L02 Endocrine therapy
3 L02B Hormone antagonists and related agents
4 L02BG Aromatase inhibitors
5 L02BG04 Letrozole

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 2.5 mg

Active ingredients in L02BG04

Active Ingredient Description
Letrozole

Letrozole is a non-steroidal aromatase inhibitor. It inhibits the aromatase enzyme by competitively binding to the haem of the aromatase cytochrome P450, resulting in a reduction of oestrogen biosynthesis in all tissues where present.

Related product monographs

Title Information Source Document Type  
FEMARA Film-coated tablet Health Products Regulatory Authority (IE) MPI, EU: SmPC
LETROLE Film-coated tablet Medicines and Medical Devices Safety Authority (NZ) MPI, EU: SmPC
LETROZOLE / GLENMARK Film-coated tablets Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
SADERON Film-coated tablet Υπουργείο Υγείας (CY) MPI, EU: SmPC

Medicines in this ATC group

United States (US)

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Austria (AT)

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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)

Nigeria (NG)

Spain (ES)

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.