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Tackling prescription overload

  • NEW YORK TIMES 
                                Leslie Hawkins laughs with her mother, Mary E. Harrison, 95, in their Takoma Park, Md. home.With her daughter’s help and a new doctor, Harrison has reduced her number of medications.

    NEW YORK TIMES

    Leslie Hawkins laughs with her mother, Mary E. Harrison, 95, in their Takoma Park, Md. home.With her daughter’s help and a new doctor, Harrison has reduced her number of medications.

The last straw, for Leslie Hawkins, was her mother’s 93rd-birthday gathering in 2018.

Her mother, Mary E. Harrison, had long contended with multiple health problems, including diabetes and the nerve pain it can cause, high blood pressure, anxiety and some cognitive decline. She was prone to falling.

Still, she had been a sociable, churchgoing nonagenarian until Hawkins, who cared for her in their shared home in Takoma Park, Md., began seeing disturbing changes.

“She was out of it,” Hawkins, 57, recalled. “She couldn’t hold a conversation or even finish a sentence.” On her mother’s birthday, she said, “A bunch of us went to Olive Garden, and Mommy sat there asleep, slumped over in her wheelchair. I decided, nope.”

Hawkins and one of her brothers took their mother to see a geriatrician at Johns Hopkins Hospital, where she could supply only three correct answers on the 30-question test commonly used to assess dementia. “She didn’t really participate,” said the geriatrician, Dr. Stephanie Nothelle.

Fortunately, Hawkins had brought a list of the 14 medications Harrison was taking, several of which alarmed her new doctor. “I started chipping away at them,” Nothelle said.

She recommended stopping oxybutynin, prescribed to treat an overactive bladder, because “it’s notorious for precipitating delirium and causing confusion in older adults,” she said. She also suggested eliminating the pain medication Tramadol, which has similar effects and contributes to unsteadiness and falls.

At their next visit in three months, Nothelle told the family, they would discuss stopping several more drugs, including gaba­pentin for neuropathy; a diabetes medication that lowered Harrison’s blood sugar unnecessarily; and a reflux drug that nobody remembered her needing.

The follow-up visit did not happen as scheduled. Harrison fell and broke her hip, requiring surgery and six weeks in rehab.

Still, her daughter had gotten the message: Her mother’s many drugs might be harming her. “I went online and looked everything up, and I started questioning her doctors,” Hawkins said.

Fourteen prescriptions? “Unfortunately, that’s pretty common” for older patients, Nothelle said. The phenomenon is called polypharmacy, sometimes defined as taking five or more medications, as two-thirds of older people do.

More broadly, polypharmacy refers to an increasing overload of drugs that might not benefit the patient or interact well with one another, and that can cause harm including falls, cognitive impairment, hospitalization and death. It has sparked interest in “deprescribing”: the practice in which doctors and patients regularly review medication regimens to prune away risky or unnecessary drugs.

For older patients the most commonly prescribed inappropriate medicines include proton pump inhibitors like Nexium and Prilosec, benzodiazepines like Xanax and Ativan, and tricyclic antidepressants, according to an analysis of Medicare data published last year. Over-the-counter products and supplements can also prove problematic.

“We spend hundreds of millions every year to bring meds to market and figure out when to start using them, and next to nothing trying to figure out when to stop them,” said Dr. Caleb Alexander, an internist and public health researcher at the Johns Hopkins University School of Medicine. Yet among older people, adverse drug reactions account for 1 in 11 hospital admissions.

Hence the Drive to Deprescribe campaign, started last month by the Society for Post-Acute and Long-Term Care Medicine, known as AMDA, which represents medical directors and administrators of long-term care facilities, where polypharmacy is particularly prevalent.

The initiative calls for a 25% reduction in medication use within a year, with AMDA monitoring the results.

To date, 2,000 facilities have enrolled, along with three major consulting pharmacies that serve them. That represents a fraction of the nation’s 15,000 nursing homes, but “we are still recruiting,” said Dr. Sabine von Preyss-Friedman, co-chairwoman of the Drive to Deprescribe work group.

Deprescribing discussions require time, a luxury during a brief office visit with a senior who might have many competing needs.

“There’s a general bias toward doing things in medicine,” said Dr. Ariel Green, a geriatrician and researcher at Johns Hopkins. “If we prescribe something, that’s seen as a positive action. If we stop something or don’t start it, that’s not.”

A dispiriting number of interventions aimed at deprescribing have had little impact, according to a review of 38 studies published last year. But one recent Canadian clinical trial showed significant results.

The study enlisted pharmacists, who handed or mailed patients a deprescribing brochure before refilling certain risky prescriptions. The pharmacists also contacted the prescribing doctors with forms explaining why the drugs might be harmful, providing safer alternatives and allowing doctors to change or eliminate prescriptions by simply checking a box.

Within six months, 43% of those using sedative-hypnotic drugs (benzodiazepines and the related “Z-drugs” like Ambien) were able to discontinue them.

So were 30% of the patients using the older diabetes drug glyburide and 57% of those using nonsteroidal anti-inflammatories, or NSAIDs.

“It was spectacular,” said Dr. Cara Tannenbaum, a geriatrician at the University of Montreal and senior author of the study. Now, she added, “How do we scale it up and get it out of research projects and into everyday practice?”

One way is for patients themselves to combat polypharmacy, by regularly asking their doctors to reassess their medications — sometimes taking every pill bottle, including supplements, to an appointment for a “brown bag review.” A short-list of potentially inappropriate drugs, published by the American Geriatrics Society, can help them spot problems.

That is essentially what Leslie Hawkins did for her mother, Nothelle said. “Every time she had a health care interaction, she asked, ‘Do we need this? Can we lower this? Can we stop this?’”

Ten months passed before Harrison could see her geriatrician again, and by then “she was a completely different person,” Nothelle said. “She was awake, she answered my questions. It was night and day.”

Harrison’s score on the 30-question cognition test jumped from three to 25. She is starting physical therapy to improve her mobility. And she is taking four drugs — insulin, a blood pressure medication and two anti-depressants — instead of 14.

Harrison, now 95, still needs considerable assistance. She celebrated her 94th birthday in a downtown Washington, D.C., restaurant, with 20 family members including great-grandchildren.

“She was the life of the party,” her daughter said. “We had a ball.”

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