Research into psychedelics shut down for decades is now yielding exciting results

The Trip Treatment: On an April Monday in 2010, Patrick Mettes, a fifty-four-year-old television news director being treated for a cancer of the bile ducts, read an article on the front page of the Times that would change his death. His diagnosis had come three years earlier, shortly after his wife, Lisa, noticed that the whites of his eyes had turned yellow. By 2010, the cancer had spread to Patrick’s lungs and he was buckling under the weight of a debilitating chemotherapy regimen and the growing fear that he might not survive. The article, headlined “hallucinogens have doctors tuning in again,” mentioned clinical trials at several universities, including N.Y.U., in which psilocybin — the active ingredient in so-called magic mushrooms — was being administered to cancer patients in an effort to relieve their anxiety and “existential distress.” One of the researchers was quoted as saying that, under the influence of the hallucinogen, “individuals transcend their primary identification with their bodies and experience ego-free states . . . and return with a new perspective and profound acceptance.” Patrick had never taken a psychedelic drug, but he immediately wanted to volunteer. Lisa was against the idea. “I didn’t want there to be an easy way out,” she recently told me. “I wanted him to fight.”

Patrick made the call anyway and, after filling out some forms and answering a long list of questions, was accepted into the trial. Since hallucinogens can sometimes bring to the surface latent psychological problems, researchers try to weed out volunteers at high risk by asking questions about drug use and whether there is a family history of schizophrenia or bipolar disorder. After the screening, Mettes was assigned to a therapist named Anthony Bossis, a bearded, bearish psychologist in his mid-fifties, with a specialty in palliative care. Bossis is a co-principal investigator for the N.Y.U. trial.

Illustration by Stephen Doyle

After four meetings with Bossis, Mettes was scheduled for two dosings — one of them an “active” placebo (in this case, a high dose of niacin, which can produce a tingling sensation), and the other a pill containing the psilocybin. Both sessions, Mettes was told, would take place in a room decorated to look more like a living room than like a medical office, with a comfortable couch, landscape paintings on the wall, and, on the shelves, books of art and mythology, along with various aboriginal and spiritual tchotchkes, including a Buddha and a glazed ceramic mushroom. During each session, which would last the better part of a day, Mettes would lie on the couch wearing an eye mask and listening through headphones to a carefully curated playlist — Brian Eno, Philip Glass, Pat Metheny, Ravi Shankar. Bossis and a second therapist would be there throughout, saying little but being available to help should he run into any trouble.

“I felt a little like an archeologist unearthing a completely buried body of knowledge,” he said. Beginning in the nineteen-fifties, psychedelics had been used to treat a wide variety of conditions, including alcoholism and end-of-life anxiety. The American Psychiatric Association held meetings centered on LSD. “Some of the best minds in psychiatry had seriously studied these compounds in therapeutic models, with government funding,” Ross said.

Between 1953 and 1973, the federal government spent four million dollars to fund a hundred and sixteen studies of LSD, involving more than seventeen hundred subjects. (These figures don’t include classified research.) Through the mid-nineteen-sixties, psilocybin and LSD were legal and remarkably easy to obtain. Sandoz, the Swiss chemical company where, in 1938, Albert Hofmann first synthesized LSD, gave away large quantities of Delysid — LSD — to any researcher who requested it, in the hope that someone would discover a marketable application. Psychedelics were tested on alcoholics, people struggling with obsessive-compulsive disorder, depressives, autistic children, schizophrenics, terminal cancer patients, and convicts, as well as on perfectly healthy artists and scientists (to study creativity) and divinity students (to study spirituality). The results reported were frequently positive. But many of the studies were, by modern standards, poorly designed and seldom well controlled, if at all. When there were controls, it was difficult to blind the researchers — that is, hide from them which volunteers had taken the actual drug. (This remains a problem.)

By the mid-nineteen-sixties, LSD had escaped from the laboratory and swept through the counterculture. In 1970, Richard Nixon signed the Controlled Substances Act and put most psychedelics on Schedule 1, prohibiting their use for any purpose. Research soon came to a halt, and what had been learned was all but erased from the field of psychiatry. “By the time I got to medical school, no one even talked about it,” Ross said.

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