Adderall

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A 3:1 mixture of dextro-amphetamine to levo-amphetamine salts and is used to treat attention deficit hyperactivity disorder. The brand Adderall® is marketed by Shire Pharmaceuticals.

History

In the United States, the mixture was approved with a New Drug Application (NDA) by the FDA in 1960.[1] The extended release version was approved in 2001.[2] A generic version (not extended release) was approved with a Abbreviated New Drug Application (ANDA) in 2002.[3]

Pharmacokinetics

The time to reach maximum plasma concentration is:[4]

  • Adderall XR® is about 7 hours
  • Addreall 3 hours

Adderall XR 20 mg one daily has similar pharmacokinetics to Adderall(immediate-release) 10 mg twice dialy administered 4 hours apart. [4]

The mean elimination half-life in adults for d-amphetamine is 10 hours and for the l-amphetamine is 13 hours[4]

External links

The most up-to-date information about Adderall and other drugs can be found at the following sites.


References

  1. Drugs@FDA. U S Food and Drug Administration
  2. Drugs@FDA. U S Food and Drug Administration
  3. Drugs@FDA. U S Food and Drug Administration
  4. 4.0 4.1 4.2 Adderall XR (Dextroamphetamine Sulfate, Dextroamphetamine Saccharate, Amphetamine Sulfate and Amphetamine Aspartate) capsule, extended release [Shire US Inc.]