Fringe autism treatment could get federal study

(Agencies)
Updated: 2008-07-09 09:46

Eight-year-old Charlie Blakey, who was diagnosed with autism at age 3, says a prayer before eating dinner with his family at their home on Oak Park, Ill., on April 23, 2008.[Agencies]

Pressured by desperate parents, government researchers are pushing to test an unproven treatment on autistic children, a move some scientists see as an unethical experiment in voodoo medicine.

The treatment removes heavy metals from the body and is based on the fringe theory that mercury in vaccines triggers autism — a theory never proved and rejected by mainstream science. Mercury hasn't been in childhood vaccines since 2001, except for certain flu shots.

But many parents of autistic children are believers, and the head of the National Institute of Mental Health supports testing it on children provided the tests are safe.

"So many moms have said, `It's saved my kids,'" institute director Dr. Thomas Insel said.

For now, the proposed study, not widely known outside the community of autism research and advocacy groups, has been put on hold because of safety concerns, Insel told The Associated Press.

The process, called chelation, is used to treat lead poisoning. Studies of adults have shown it to be ineffective unless there are high levels of metals in the blood. Any study in children would have to exclude those with high levels of lead or mercury, which would require treatment and preclude using a placebo.

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