DDI

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Definition

Noun: - An antiviral drug used in the treatment of HIV infection. It is a nucleoside reverse transcriptase inhibitor (NRTI) that works by interfering with the replication process of the human immunodeficiency virus.

Usage
  • ddI is the standard abbreviation for the drug didanosine. It is primarily used in combination with other antiretroviral medications as part of Highly Active Antiretroviral Therapy (HAART) for managing HIV/AIDS.
  • It is typically prescribed by a doctor and must be taken exactly as directed, often on an empty stomach.
Examples
  • The doctor added ddI to her existing regimen to better control the viral load.
  • Early antiretroviral therapies frequently included drugs like ddI and AZT.
  • Patients taking ddI must be monitored for potential side effects, such as pancreatitis.
Advanced Usage
  • Resistance: Prolonged use or incorrect dosing can lead to the HIV virus developing resistance to ddI.
  • Fixed-dose combination: While historically taken as a standalone pill, the principles of its use are now often applied within modern, simplified combination tablets, though ddI itself is less commonly used in first-line therapy today.
Variants and Related Words
  • Didanosine: The full, non-proprietary name for the drug ddI.
  • Videx®: A common brand name under which ddI was originally marketed.
  • NRTI (Nucleoside Reverse Transcriptase Inhibitor): The class of antiretroviral drugs to which ddI belongs.
Synonyms
  • Didanosine (This is not a synonym in the strictest sense but the full name for the same drug entity).
Notes
  • ddI is an initialism. It is pronounced by saying each letter: "D-D-I".
  • It is a specific pharmaceutical agent and is not used in general language or idioms. There are no associated phrasal verbs or colloquial expressions.
Noun
  1. an antiviral drug used to combat HIV infection