Could A Club Drug Offer 'Almost Immediate' Relief From Depression? : Shots - Health News Currently, there's no quick fix for severe depression. Antidepressants usually take weeks to work, if they work at all. But patients who received experimental doses of ketamine — long used as an anesthetic, and an illegal club drug — report an astounding relief from their symptoms in less than a day.

Could A Club Drug Offer 'Almost Immediate' Relief From Depression?

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It's MORNING EDITION from NPR News. Good morning. I'm Steve Inskeep.


And I'm Renee Montagne.

Today in "Your Health," treating depression. There is no quick fix for severe depression. Antidepressants usually take weeks to work - if they work at all. We continue our series on depression drugs, as NPR's Jon Hamilton visits a hospital in Houston where doctors and nurses confront the limits of current medications every day.

JON HAMILTON, BYLINE: If you live anywhere near Houston, and you get really bad depression - the suicidal kind - you'll probably end up here, at Ben Taub Hospital.

CHARLZETTA MCMURRAY-HORTON: If police bring them in, they're going to come through this door. If the ambulance brings them in, they're going to come through this door and be triaged.

HAMILTON: Charlzetta McMurray-Horton is in charge of mental-health nursing. She's showing me what happens to people who show up in the ER with suicidal depression. We're standing in the emergency center's cavernous waiting room. The center sees more than 100,000 patients a year. About 5,000 of them need psychiatric evaluation.

McMurray-Horton says the people who cut themselves, or overdose, are likely to make a stop in one of the medical treatment areas. Otherwise, they'll go straight to a quiet, walled-off area designed specifically for mental health emergencies.

MCMURRAY-HORTON: This is the psych emergency center One South - locked area.

HAMILTON: I've come to Ben Taub Hospital because it's a place where you get a really clear view of what the current drugs for depression can't do. And one of the things they can't do is offer quick relief to the people who come to this locked unit.

Dr. Anu Matorin is the unit's medical director. She tells me about one of her recent patients. The woman had suffered bouts of depression since college. But after she had a baby, the problem became severe. She stopped eating and sleeping. She began to think about suicide. Dr. Matorin says finally, the woman made a desperate call to her mother.

DR. ANU MATORIN: She was very emotional, very tearful, not making sense. She said, I just can't take it anymore. I don't know how to feed the child - the mother could hear the infant crying in the background.

HAMILTON: The family called 911. The woman arrived at the hospital with a police escort. Dr. Matorin evaluated her in the psychiatric emergency room, and put her on antidepressants. Then came the hard part.

The drugs might help the woman eventually, but they weren't going to do anything about her suicidal thoughts during the next few, critical days. So Matorin did the only thing she could for her patient. She admitted her to the hospital's locked inpatient unit, where most of the patients are considered a threat to themselves or someone else. McMurray-Horton takes me there.


HAMILTON: The unit's main room is warmer and softer and more colorful than you might expect. Think Holiday Inn without any sharp objects or hard edges.

MCMURRAY-HORTON: We have one TV over to this side, which has seating. We have dining tables and chairs that patients can sit in.

HAMILTON: But McMurray-Horton says there's no avoiding the fact that this is a place where safety is paramount, and privacy isn't. Shatterproof, plastic windows around the nurses' station provide an unobstructed sight line to pretty much everywhere.

MCMURRAY-HORTON: Patients who come here - and you're talking about emergency detention order - they don't want to be here.

HAMILTON: And at first, they may be out of control and angry.

UNIDENTIFIED WOMAN: Sucks! Ben Taub sucks! They treat these people like stuckies - screwballs.

HAMILTON: Drugs for depression don't work fast enough to help someone in the early days of a crisis. So McMurray-Horton says staff members have a simple goal for these patients.

MCMURRAY-HORTON: Keep them safe, keep them alive, until they're in a different space.

HAMILTON: Counseling can help. So can family. And she says most people just start to feel better after a few days in a place that makes sure they stay in, and the world stays out.

MCMURRAY-HORTON: Sometimes, time is what it takes.

HAMILTON: That was certainly true of the depressed young mother that Dr. Matorin admitted. She got better, and went home several days later. But Matorin says that woman probably could have skipped the hospital stay altogether if the drugs used to treat depression were as quick and effective as, say, painkillers.

MATORIN: I think it would transform psychiatric care, and really eliminate some of the stigma and fear and concern about treatment.

HAMILTON: A growing number of scientists think it won't be long before psychiatric care is transformed. And they are particularly excited about an experimental drug that's being tried over in the Neuropsychiatric Center at Ben Taub Hospital. McMurray-Horton once again shows the way.


HAMILTON: That's a metal detector just inside the entrance.

MCMURRAY-HORTON: So this is the outpatient clinic we're walking into.

HAMILTON: The drug researchers are trying here is unlike anything used to treat depression now. And they're giving it to patients who haven't done well on existing drugs. Heather Merrill is one of these patients.

HEATHER MERRILL: I've suffered from depression for most of my adult life, and it kind of got to the point where I kind of felt like there wasn't anything that was going to be able to help me.

HAMILTON: Merrill is 41. She's married, with three kids and a nice house in the suburbs. She says at times her depression gets so bad, she can't take care of her family or even herself.

MERRILL: No ambition, no drive. Just kind of - you know, I'm here, but it's really just my body.

HAMILTON: Merrill says that's exactly how she felt yesterday. Then, doctors placed an IV in her arm and began to administer a drug. She knew there were two possibilities. The drug could have been just a sedative, or it might have been something called ketamine.

Ketamine has been used for decades as an anesthetic. It's also become a wildly popular but illegal club drug, known as Special K. Mental health researchers got interested in ketamine because of reports that it could make depression vanish almost instantly.

Dr. Sanjay Mathew, from Baylor College of Medicine, is in charge of the ketamine study Heather Merrill is in. He says depression medications really haven't changed much since Prozac arrived in the 1970s.

DR. SANJAY MATHEW: Everything since then, essentially, has been incremental. There have been tweaks of existing molecules.

HAMILTON: Mathew says ketamine represents much more than a tweak.

MATHEW: It's a completely different mechanism. It's a different route of administration, so it's an IV infusion. And the model is very different. It's not a daily dosed medication, but the focus is on really rapidly, helping someone get out of a depressive episode.

HAMILTON: Heather Merrill says she's pretty sure it was ketamine that flowed into her veins 24 hours ago.

MERRILL: It was almost immediate - the sense of calmness and relaxation.

HAMILTON: And Dr. Asim Shah, who directs the mood-disorder program at Ben Taub, says there's a good chance Merrill is right.

DR. ASIM SHAH: Her demeanor has changed tremendously. She looks like a happy person who is genuinely happy whereas before the study, she looked very down, very withdrawn - sort of almost tearful.

HAMILTON: But of course, nobody knows whether Merrill actually got ketamine. That information will be kept secret until the study is done, months from now. So I decided to see how Merrill's experience compares with those of people who definitely took ketamine for depression.

Carlos Zarate, who does ketamine research at the National Institutes of Health, has never met Merrill. But he describes for me the typical comments he gets from patients who get the drug. Here's what they say.

DR. CARLOS ZARATE: I feel that something's lifted - or I feel that I've never been depressed in my life. I feel I can work; I feel I can contribute to society. And it was a different experience than feeling high. This was feeling that something was removed.

HAMILTON: Then I listened to Heather Merrill talking about her own experience.

MERRILL: No more fogginess. No more heaviness. I feel like I'm a clean slate right now. I want to go home and see friends or, you know, go to the grocery store and cook the family dinner.

HAMILTON: It's pretty convincing. And researchers say it shows one of the challenges to doing studies of ketamine. The effects are so powerful and distinctive, it's hard to design experiments that prevent doctors and patients from figuring out who got the drug, and who didn't.

Jon Hamilton, NPR News.


MONTAGNE: Tomorrow morning, we'll hear Jon talk to a man who definitely took ketamine, and to scientists who think it could lead to a whole new class of depression drugs.

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