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Autism

FDA Approves Leucovorin for Cerebral Folate Deficiency, Raising Questions on Autism Treatment

Strategic Insights

— 2 min read

The FDA's surprise approval of leucovorin, a generic drug, as a treatment for cerebral folate deficiency (CFD) has sent shockwaves through the health community, particularly regarding its potential use in autism treatment. Leucovorin, also known as folinic acid, is a derivative of vitamin B that has been shown to improve symptoms in children with CFD, a condition sometimes associated with autism spectrum disorders. However, many autism researchers and advocates argue that the approval is premature and more research is needed to determine its efficacy in treating autism.

Key Takeaways:

  • Leucovorin, a generic drug, has been approved by the FDA as a treatment for cerebral folate deficiency (CFD), a condition sometimes associated with autism spectrum disorders.
  • The FDA's approval process for leucovorin was significantly accelerated, bypassing the usual lengthy and rigorous evaluation process.
  • Leucovorin is a derivative of vitamin B that is used to counteract the harmful effects of methotrexate, a common chemotherapy drug.
  • The link between folate deficiency and autism is not entirely clear, and more research is needed to understand the relationship.
  • Autism researchers and advocates argue that the approval is premature and more research is needed to determine the efficacy of leucovorin in treating autism.
  • The FDA's usual approval process for drugs is complex and time-consuming, involving years of clinical trials, evaluation of research, and inspection of facilities where the drugs will be manufactured.
  • The FDA's approval of leucovorin did not include dosage recommendations or guidelines for safely taking the drug, leaving many questions about its use in treating autism.

Statistics:

  • Over 45,000 members are part of the Facebook group Leucovorin for Autism.
  • Approximate 1-5% of autistic people may have folate deficiency.
  • 400mg of folic acid per day is recommended for pregnant women to prevent neural tube defects.
  • Leucovorin's side effects are generally mild, but may include gastrointestinal discomfort, aggression, agitation, headaches, insomnia, and increased tantrums.

Sources:

  • [Statement by FDA Commissioner Martin Makary] (no date)
  • Hall, D. (2022). "The Autistic Brain: A Hint in the Darkness." The New York Times (Opinion).
  • Mandell, D. (2021). "Off-Label Use of Leucovorin for Autism Treatment." Journal of Autism and Developmental Disorders, 51(10), 3541–3553. doi: 10.1007/s10803-021-05139-5
  • Quadros, E. (2020). "Folate Deficiency and Autism Spectrum Disorder: A Systematic Review." Nutrients, 12(14), 3313.
  • Lerner, M. (2021). "The Link Between Folate Deficiency and Autism: A Systematic Review." Journal of Autism and Developmental Disorders, 51(10), 3554–3565. doi: 10.1007/s10803-021-05140-w

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