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Fatigue Is Common Among Older Adults, and It Has Many Possible Causes

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by Judith Graham
Tue, 04 Apr 2023 09:00:00 +0000

Nothing prepared Linda C. Johnson of Indianapolis for the fatigue that descended on her after a diagnosis of stage 4 lung cancer in early 2020.

Initially, Johnson, now 77, thought she was depressed. She could barely summon the energy to get dressed in the morning. Some days, she couldn't get out of bed.

But as she began to get her affairs in order, Johnson realized something else was going on. However long she slept the night before, she woke up exhausted. She felt depleted, even if she didn't do much during the day.

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“People would tell me, ‘You know, you're getting old.' And that wasn't helpful at all. Because then you feel there's nothing you can do mentally or physically to deal with this,” she told me.

Fatigue is a common companion of many illnesses that beset older adults: heart disease, cancer, rheumatoid arthritis, lung disease, kidney disease, and neurological conditions like multiple sclerosis, among others. It's one of the most common symptoms associated with chronic illness, affecting 40% to 74% of older people living with these conditions, according to a 2021 review by researchers at the of Massachusetts.

This is more than exhaustion after an extremely busy day or a night of poor sleep. It's a persistent whole-body feeling of having no energy, even with minimal or no exertion. “I feel like I have a drained battery pretty much all of the time,” wrote a user named Renee in a Facebook group for people with polycythemia vera, a rare blood cancer. “It's sort of like being a wrung-out dish rag.”

Fatigue doesn't represent “a day when you're tired; it's a couple of weeks or a couple of months when you're tired,” said Dr. Kurt Kroenke, a research scientist at the Regenstrief Institute in Indianapolis, which specializes in medical research, and a professor at Indiana University's School of Medicine.

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When he and colleagues queried nearly 3,500 older patients at a large primary care clinic in Indianapolis about bothersome symptoms, 55% listed fatigue — second only to musculoskeletal pain (65%) and more than back pain (45%) and shortness of breath (41%).

Separately, a 2010 study in the Journal of the American Geriatrics Society estimated that 31% of people 51 and older reported being fatigued in the past week.

The impact can be profound. Fatigue is the leading reason for restricted activity in people 70 and older, according to a 2001 study by researchers at Yale. Other studies have linked fatigue with impaired mobility, limitations in people's abilities to perform daily activities, the onset or worsening of disability, and earlier death.

What often happens is older adults with fatigue stop being active and become deconditioned, which leads to muscle loss and weakness, which heightens fatigue. “It becomes a vicious cycle that contributes to things like depression, which can make you more fatigued,” said Dr. Jean Kutner, a professor of medicine and chief medical officer at the University of Colorado Hospital.

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To stop that from happening, Johnson came up with a plan after learning her lung cancer had returned. Every morning, she set small goals for herself. One day, she'd get up and wash her face. The next, she'd take a shower. Another day, she'd go to the grocery store. After each activity, she'd rest.

In the three years since her cancer came back, Johnson's fatigue has been constant. But “I'm functioning better,” she told me, because she's learned how to pace herself and find things that motivate her, like teaching a virtual class to training to be teachers and getting exercise under the supervision of a personal trainer.

When should older adults be concerned about fatigue? “If someone has been doing OK but is now feeling fatigued all the time, it's important to get an evaluation,” said Dr. Holly Yang, a physician at Scripps Mercy Hospital in San Diego and incoming board president of the American Academy of Hospice and Palliative Medicine.

“Fatigue is an alarm signal that something is wrong with the body but it's rarely one thing. Usually, several things need to be addressed,” said Dr. Ardeshir Hashmi, section chief of the Center for Geriatric Medicine at the Cleveland Clinic.

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Among the items physicians should check: Are your thyroid levels normal? Are you having trouble with sleep? If you have underlying medical conditions, are they well controlled? Do you have an underlying infection? Are you chronically dehydrated? Do you have anemia (a deficiency of red blood cells or hemoglobin), an electrolyte imbalance, or low levels of testosterone? Are you eating enough protein? Have you been feeling more anxious or depressed recently? And might medications you're taking be contributing to fatigue?

“The medications and doses may be the same, but your body's ability to metabolize those medications and clear them from your system may have changed,” Hashmi said, noting that such changes in the body's metabolic activity are common as people become older.

Many potential contributors to fatigue can be addressed. But much of the time, reasons for fatigue can't be explained by an underlying medical .

That happened to Teresa Goodell, 64, a retired nurse who lives just outside Portland, Oregon. During a December visit to Arizona, she suddenly found herself exhausted and short of breath while on a hike, even though she was in good physical condition. At an urgent care facility, she was diagnosed with an asthma exacerbation and given steroids, but they didn't .

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Soon, Goodell was spending hours each day in bed, overcome by profound tiredness and weakness. Even small activities wore her out. But none of the medical tests she received in Arizona and subsequently in Portland — a chest X-ray and CT scan, blood work, a cardiac stress test — showed abnormalities.

“There was no objective evidence of illness, and that makes it hard for anybody to believe you're sick,” she told me.

Goodell started visiting long covid web sites and chat rooms for people with chronic fatigue syndrome. Today, she's convinced she has post-viral syndrome from an infection. One of the most common symptoms of long covid is fatigue that interferes with life, according to the Centers for Disease Control and Prevention.

There are several strategies for dealing with persistent fatigue. In cancer , “the best evidence favors physical activity such as tai chi, yoga, walking, or low-impact exercises,” said Dr. Christian Sinclair, an associate professor of palliative medicine at the University of Kansas Health System. The goal is to “gradually stretch patients' stamina,” he said.

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With long covid, however, doing too much too soon can backfire by causing “post-exertional malaise.” Pacing one's activities is often recommended: doing only what's most important, when one's energy level is highest, and resting afterward. “You learn how to set realistic goals,” said Dr. Andrew Esch, senior education advisor at the Center to Advance Palliative Care.

Cognitive behavioral therapy can help older adults with fatigue learn how to adjust expectations and address intrusive such as, “I should be able to do more.” At the University of MD Anderson Cancer Center, management plans for older patients with fatigue typically include strategies to address physical activity, sleep health, nutrition, emotional health, and from family and friends.

“So much of fatigue management is about forming new habits,” said Dr. Ishwaria Subbiah, a palliative care and integrative medicine physician at MD Anderson. “It's important to recognize that this doesn't happen right away: It takes time.”

We're eager to hear from about questions you'd like answered, problems you've been having with your care, and advice you need in dealing with the health care system. Visit khn.org/columnists to submit your requests or tips.

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By: Judith Graham
Title: Fatigue Is Common Among Older Adults, and It Has Many Possible Causes
Sourced From: khn.org/news/article/fatigue-management-elderly-health-navigating-aging/
Published Date: Tue, 04 Apr 2023 09:00:00 +0000

Kaiser Health News

California Is Expanding Insurance Access for Teenagers Seeking Therapy on Their Own

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April Dembosky, KQED
Thu, 28 Mar 2024 09:00:00 +0000

When she was in ninth grade, Fiona Lu fell into a depression. She had trouble adjusting to her new high school in Orange County, California, and felt so isolated and exhausted that she cried every morning.

Lu wanted to get , but her Medi-Cal plan wouldn't cover therapy unless she had permission from a parent or guardian.

Her mother — a single parent and an immigrant from China — worked long hours to provide for Fiona, her brother, and her grandmother. Finding time to explain to her mom what therapy was, and why she needed it, felt like too much of an obstacle.

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“I wouldn't want her to have to sign all these forms and go to therapy with me,” said Lu, now 18 and a freshman at UCLA. “There's a lot of rhetoric in immigrant cultures that mental concerns and getting treatment for that is a Western phenomenon.”

By her senior year of high school, Lu turned that experience into activism. She campaigned to change state policy to allow children 12 and older living in low-income households to get mental health counseling without their ' consent.

In October of last year, Gov. Gavin Newsom signed a new law expanding access to young patients covered by Medicaid, which is called Medi-Cal in California.

Teenagers with commercial insurance have had this privilege in the state for more than a decade. Yet parents of children who already had the ability to access care on their own were among the most vocal in opposing the expansion of that coverage by Medi-Cal.

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Many parents seized on the bill to grievances about how much control they believe the state has over their children, especially around gender identity and care.

One mother appeared on Fox News last spring calling school therapists “indoctrinators” and saying the bill allowed them to fill children's heads with ideas about “transgenderism” without their parents knowing.

Those arguments were then repeated on social media and at protests held across California and in other parts of the country in late October.

At the California Capitol, several Republican lawmakers voted against the bill, AB 665. One of them was Assembly member James Gallagher of Sutter County.

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“If my child is dealing with a mental health crisis, I want to know about it,” Gallagher said while discussing the bill on the Assembly floor last spring. “This misguided, and I think wrongful, trend in our policy now that is continuing to exclude parents from that equation and say they don't need to be informed is wrong.”

State lawmaker salaries are too high for them or their families to qualify for Medi-Cal. Instead, they are offered a choice of 15 commercial health insurance plans, meaning children like Gallagher's already have the privileges that he objected to in his speech.

To Lu, this was frustrating and hypocritical. She said she felt that the opponents lining up against AB 665 at legislative hearings were mostly middle-class parents to hijack the narrative.

“It's inauthentic that they were advocating against a policy that won't directly affect them,” Lu said. “They don't realize that this is a policy that will affect hundreds of thousands of other families.”

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Sponsors of AB 665 presented the bill as a commonsense to an existing law. In 2010, California lawmakers had made it easier for young people to access outpatient mental health treatment and emergency shelters without their parents' consent by removing a requirement that they be in immediate crisis.

But at the last minute, lawmakers in 2010 the expansion of coverage for teenagers by Medi-Cal for cost reasons. More than a decade later, AB 665 is meant to close the disparity between public and private insurance and level the playing field.

“This is about equity,” said Assembly member Wendy Carrillo, a Los Angeles Democrat and the bill's author.

The original law, which regulated private insurance plans, passed with bipartisan support and had little meaningful opposition in the legislature, she said. The law was signed by a Republican governor, Arnold Schwarzenegger.

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“Since then, the extremes on both sides have gotten so extreme that we have a hard time actually talking about the need for mental health,” she said.

After Carrillo introduced the bill last year, her office faced death threats. She said the goal of the law is not to divide families but to encourage communication between parents and children through counseling.

More than 20 other states allow young people to consent to outpatient mental health treatment without their parents' permission, including Colorado, Ohio, Tennessee, and Alabama, according to a 2015 paper by researchers at Rowan .

To opponents of the new law, like Erin Friday, a San Francisco Bay Area attorney, AB 665 is part of a broader campaign to take parents' rights away in California, something she opposes regardless of what kind of health insurance children have.

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Friday is a self-described lifelong Democrat. But then she discovered her teenager had come out as transgender at school and for months had been referred to by a different name and different pronouns by teachers, without Friday's knowledge. She devoted herself to fighting bills that she saw as promoting “transgender ideology.” She said she plans to sue to try to overturn the new California law before it takes effect this summer.

“We're giving children autonomy they should never have,” Friday said.

Under the new law, young people will be able to to a therapist about gender identity without their parents' consent. But they cannot get residential treatment, medication, or gender-affirming surgery without their parents' OK, as some opponents have suggested.

Nor can minors run away from home or emancipate themselves under the law, as opponents have also suggested.

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“This law is not about inpatient psychiatric facilities. This law is not about changing child custody laws,” said Rachel Velcoff Hults, an attorney and the director of health of the National Center for Youth Law, which supported AB 665.

“This law is about ensuring when a young person needs counseling or needs a temporary roof over their head to ensure their own safety and well-being, that we want to make sure they have a way to access it,” she said.

Removing the parental consent requirement could also expand the number of mental health clinicians in California willing to treat young people on Medi-Cal. Without parental consent, under the old rules, clinicians could not be paid by Medi-Cal for the counseling they provided, either in a private practice or a school counselor's office.

Esther Lau struggled with mental health as a high school student in Fremont. Unlike Lu, she had her parents' support, but she couldn't find a therapist who accepted Medi-Cal. As the only native English speaker in her family, she had to navigate the health care bureaucracy on her own.

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For her, AB 665 will give clinicians incentive to accept more young people from low-income households into their practices.

“For the opposition, it's just about political tactics and furthering their agenda,” Lau said. “The bill was designed to expand access to Medi-Cal youth, period.”

This article is from a partnership that includes KQED, NPR, and KFF Health News.

This article was produced by KFF Health News, which publishes California Healthline, an editorially independent service of the California Health Care Foundation. 

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——————————
By: April Dembosky, KQED
Title: California Is Expanding Insurance Access for Teenagers Seeking Therapy on Their Own
Sourced From: kffhealthnews.org/news/article/california-teen-access-mental-health-care-without-parental-consent/
Published Date: Thu, 28 Mar 2024 09:00:00 +0000

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As AI Eye Exams Prove Their Worth, Lessons for Future Tech Emerge

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Hannah Norman, KFF News
Wed, 27 Mar 2024 09:00:00 +0000

Christian Espinoza, director of a Southern California drug-treatment provider, recently began employing a powerful new assistant: an artificial intelligence algorithm that can perform eye exams with pictures taken by a retinal camera. It makes quick diagnoses, without a doctor present.

His clinics, Tarzana Treatment Centers, are among the early adopters of an AI-based system that promises to dramatically expand screening for diabetic retinopathy, the leading cause of blindness among working-age adults and a threat to many of the estimated 38 million Americans with diabetes.

“It's been a godsend for us,” said Espinoza, the organization's director of clinic operations, citing the of a quick and easy screening that can be administered with little training and delivers immediate results.

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His patients like it, too. Joseph Smith, who has Type 2 diabetes, recalled the cumbersome task of taking the bus to an eye specialist, getting his eyes dilated, and then waiting a week for results. “It was horrible,” he said. “Now, it takes minutes.”

Amid all the buzz around artificial intelligence in health care, the eye-exam technology is emerging as one of the first proven use cases of AI-based diagnostics in a clinical setting. While the FDA has approved hundreds of AI medical devices, adoption has been slow as vendors navigate the regulatory process, insurance coverage, technical obstacles, equity concerns, and challenges of integrating them into provider .

The eye exams show that the AI's ability to immediate results, as well as the cost savings and convenience of not needing to make an extra appointment, can have big benefits for both patients and providers. Of about 700 eye exams conducted during the past year at Espinoza's clinics, nearly one-quarter detected retinopathy, and patients were referred to a specialist for further care.

Diabetic retinopathy results when high blood sugar harms blood vessels in the retina. While managing a patient's diabetes can often prevent the disease — and there are treatments for more advanced stages — doctors say regular screenings are crucial for catching symptoms early. An estimated 9.6 million people in the U.S. have the disease.

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The three companies with FDA-approved AI eye exams for diabetic retinopathy — Digital Diagnostics, based in Coralville, Iowa; Eyenuk of Woodland Hills, California; and Israeli software company AEYE Health — have sold systems to hundreds of practices nationwide. A few dozen companies have conducted research in the narrow field, and some have regulatory clearance in other countries, tech giants like Google.

Digital Diagnostics, formerly Idx, received FDA approval for its system in 2018, following decades of research and a clinical trial involving 900 patients diagnosed with diabetes. It was the first fully autonomous AI system in any field of medicine, making its approval “a landmark moment in medical history,” said Aaron Lee, a retina specialist and an associate professor at the University of Washington.

The system, used by Tarzana Treatment Centers, can be operated by someone with a high school degree and a few hours of training, and it takes just a few minutes to produce a diagnosis, without any eye dilation most of the time, said John Bertrand, CEO of Digital Diagnostics.

The setup can be placed in any dimly lit room, and patients place their face on the chin and forehead rests and stare into the camera while a technician takes images of each eye.

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The American Diabetes Association recommends that people with Type 2 diabetes get screened every one to two years, yet only about 60% of people living with diabetes get yearly eye exams, said Robert Gabbay, the ADA's chief scientific and medical officer. The rates can be as low as 35% for people with diabetes age 21 or younger.

In swaths of the U.S., a shortage of optometrists and ophthalmologists can make appointments hard to schedule, sometimes booking for months out. Plus, the barriers of traveling to an additional appointment to get their eyes dilated — which means time off work or school and securing transportation — can be particularly tricky for low-income patients, who also have a higher risk of Type 2 diabetes.

“Ninety percent of our patients are blue-collar,” said Espinoza of his Southern California clinics, which largely serve minority populations. “They don't eat if they don't work.”

One potential downside of not a doctor do the screening is that the algorithm solely looks for diabetic retinopathy, so it could miss other concerning diseases, like choroidal melanoma, Lee said. The algorithms also generally “err on the side of caution” and over-refer patients.

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But the technology has shown another big benefit: Follow-up after a positive result is three times as likely with the AI system, according to a recent study by Stanford University.

That's because of the “proximity of the message,” said David Myung, an associate professor of ophthalmology at the Byers Eye Institute at Stanford. When it's delivered immediately, rather than weeks or even months later, it's much more likely to be heard by the patient and acted upon.

Myung launched Stanford's automated teleophthalmology program in 2020, originally focusing on telemedicine and then shifting to AI in its Bay Area clinics. That same year, the National Committee for Quality Assurance expanded its screening standard for diabetic retinopathy to include the AI systems.

Myung said it took about a year to sift through the Stanford health system's cybersecurity and IT systems to integrate the new technology. There was also a learning curve, especially for taking quality photos that the AI can decipher, Myung said.

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“Even with our stride, there's always something to improve,” he added.

The AI test has been bolstered by a reimbursement code from the Centers for Medicare & Medicaid Services, which can be difficult and time-consuming to obtain for breakthrough devices. But health care providers need that government approval to get reimbursement.

In 2021, CMS set the national payment rate for AI diabetic retinopathy screenings at $45.36 — quite a bit below the median privately negotiated rate of $127.81, according to a recent New England Journal of Medicine AI study. Each company has a slightly different business model, but they generally charge providers subscription or licensing fees for their software.

The companies declined to share what they charge for their software. The cameras can cost up to $20,000 and are either purchased separately or wrapped into the software subscription as a rental.

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The greater compliance with screening recommendations that the machines make possible, along with a corresponding increase in referrals to specialists, makes it worthwhile, said Lindsie Buchholz, clinical informatics at Nebraska Medicine, which in mid-December began using Eyenuk's system.

“It kind of helps the camera pay for itself,” she said.

, Digital Diagnostics' system is in roughly 600 sites nationwide, according to the company. AEYE Health said its eye exam is used by “low hundreds” of U.S. providers. Eyenuk declined to share specifics about its reach.

The technology continues to advance, with clinical studies for additional cameras — including a handheld imager that can screen patients in the field — and looking at other eye diseases, like glaucoma. The innovations put ophthalmology alongside radiology, cardiology, and dermatology as specialties in which AI innovation is happening fast.

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“They are going to out in the near future — cameras that you can use in street medicine — and it's going to help a lot of people,” said Espinoza.

——————————
By: Hannah Norman, KFF Health News
Title: As AI Eye Exams Prove Their Worth, Lessons for Future Tech Emerge
Sourced From: kffhealthnews.org/news/article/artificial-intelligence-ai-eye-exams-diabetic-retinopathy-innovation/
Published Date: Wed, 27 Mar 2024 09:00:00 +0000

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Overdosing on Chemo: A Common Gene Test Could Save Hundreds of Lives Each Year

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Arthur Allen
Tue, 26 Mar 2024 09:00:00 +0000

One January morning in 2021, Carol Rosen took a standard treatment for metastatic breast cancer. Three gruesome weeks later, she died in excruciating pain from the very drug meant to prolong her .

Rosen, a 70-year-old retired schoolteacher, passed her final days in anguish, enduring severe diarrhea and nausea and terrible sores in her mouth that kept her from eating, drinking, and, eventually, speaking. Skin peeled off her body. Her kidneys and liver failed. “Your body burns from the inside out,” said Rosen's daughter, Lindsay Murray, of Andover, Massachusetts.

Rosen was one of more than 275,000 cancer patients in the United States who are infused each year with fluorouracil, known as 5-FU, or, as in Rosen's case, take a nearly identical drug in pill form called capecitabine. These common types of chemotherapy are no picnic for anyone, but for who are deficient in an enzyme that metabolizes the drugs, they can be torturous or deadly.

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Those patients essentially overdose because the drugs stay in the body for hours rather than being quickly metabolized and excreted. The drugs kill an estimated 1 in 1,000 patients who take them — hundreds each year — and severely sicken or hospitalize 1 in 50. can test for the deficiency and get results within a — and then either switch drugs or lower the dosage if patients have a genetic variant that carries risk.

Yet a recent survey found that only 3% of U.S. oncologists routinely order the tests before dosing patients with 5-FU or capecitabine. That's because the most widely followed U.S. cancer treatment guidelines — issued by the National Comprehensive Cancer Network — don't recommend preemptive testing.

The FDA added new warnings about the lethal risks of 5-FU to the drug's label on March 21 queries from KFF about its policy. However, it did not require doctors to administer the test before prescribing the chemotherapy.

The agency, whose plan to expand its oversight of laboratory testing was the subject of a House hearing, also March 21, has said it could not endorse the 5-FU toxicity tests because it's never reviewed them.

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But the FDA at present does not most diagnostic tests, said Daniel Hertz, an associate professor at the University of Michigan College of Pharmacy. For years, with other doctors and pharmacists, he has petitioned the FDA to put a black box warning on the drug's label urging prescribers to test for the deficiency.

“FDA has responsibility to assure that drugs are used safely and effectively,” he said. The failure to warn, he said, “is an abdication of their responsibility.”

The update is “a small step in the right direction, but not the sea change we need,” he said.

Europe Ahead on Safety

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British and European Union drug authorities have recommended the testing since 2020. A small but growing number of U.S. hospital systems, professional groups, and health advocates, the American Cancer Society, also endorse routine testing. Most U.S. insurers, private and public, will cover the tests, which Medicare reimburses for $175, although tests may cost more depending on how many variants they screen for.

In its latest guidelines on colon cancer, the Cancer Network panel noted that not everyone with a risky gene variant gets sick from the drug, and that lower dosing for patients carrying such a variant could rob them of a cure or remission. Many doctors on the panel, including the University of Colorado oncologist Wells Messersmith, have said they have never witnessed a 5-FU death.

In European hospitals, the practice is to start patients with a half- or quarter-dose of 5-FU if tests show a patient is a poor metabolizer, then raise the dose if the patient responds well to the drug. Advocates for the approach say American oncology leaders are dragging their feet unnecessarily, and harming people in the process.

“I think it's the intransigence of people sitting on these panels, the mindset of ‘We are oncologists, drugs are our tools, we don't want to go looking for reasons not to use our tools,'” said Gabriel Brooks, an oncologist and researcher at the Dartmouth Cancer Center.

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Oncologists are accustomed to chemotherapy's toxicity and tend to have a “no pain, no gain” attitude, he said. 5-FU has been in use since the 1950s.

Yet “anybody who's had a patient die like this will want to test everyone,” said Robert Diasio of the Mayo Clinic, who helped carry out major studies of the genetic deficiency in 1988.

Oncologists often deploy genetic tests to match tumors in cancer patients with the expensive drugs used to shrink them. But the same can't always be said for gene tests aimed at improving safety, said Mark Fleury, policy director at the American Cancer Society's Cancer Action Network.

When a test can show whether a new drug is appropriate, “there are a lot more forces aligned to ensure that testing is done,” he said. “The same stakeholders and forces are not involved” with a generic like 5-FU, first approved in 1962, and costing roughly $17 for a month's treatment.

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Oncology is not the only area in medicine in which scientific advances, many of them taxpayer-funded, lag in implementation. For instance, few cardiologists test patients before they go on Plavix, a brand name for the anti-blood-clotting agent clopidogrel, although it doesn't prevent blood clots as it's supposed to in a quarter of the 4 million Americans prescribed it each year. In 2021, the state of Hawaii won an $834 million judgment from drugmakers it accused of falsely advertising the drug as safe and effective for Native Hawaiians, more than half of whom lack the main enzyme to process clopidogrel.

The fluoropyrimidine enzyme deficiency numbers are smaller — and people with the deficiency aren't at severe risk if they use topical cream forms of the drug for skin cancers. Yet even a single miserable, medically caused death was meaningful to the Dana-Farber Cancer Institute, where Carol Rosen was among more than 1,000 patients treated with fluoropyrimidine in 2021.

Her daughter was grief-stricken and furious after Rosen's death. “I wanted to sue the hospital. I wanted to sue the oncologist,” Murray said. “But I realized that wasn't what my mom would want.”

Instead, she wrote Dana-Farber's chief quality officer, Joe Jacobson, urging routine testing. He responded the same day, and the hospital quickly adopted a testing system that now covers more than 90% of prospective fluoropyrimidine patients. About 50 patients with risky variants were detected in the first 10 months, Jacobson said.

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Dana-Farber uses a Mayo Clinic test that searches for eight potentially dangerous variants of the relevant gene. Affairs hospitals use a 11-variant test, while most others check for only four variants.

Different Tests May Be Needed for Different Ancestries

The more variants a test screens for, the better the chance of finding rarer gene forms in ethnically diverse populations. For example, different variants are responsible for the worst deficiencies in people of African and European ancestry, respectively. There are tests that scan for hundreds of variants that might slow metabolism of the drug, but they take longer and cost more.

These are bitter facts for Scott Kapoor, a Toronto-area emergency room physician whose brother, Anil Kapoor, died in February 2023 of 5-FU poisoning.

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Anil Kapoor was a well-known urologist and surgeon, an outgoing speaker, researcher, clinician, and irreverent friend whose funeral drew hundreds. His death at age 58, only weeks after he was diagnosed with stage 4 colon cancer, stunned and infuriated his family.

In Ontario, where Kapoor was treated, the health system had just begun testing for four gene variants discovered in studies of mostly European populations. Anil Kapoor and his siblings, the Canadian-born children of Indian immigrants, carry a gene form that's apparently associated with South Asian ancestry.

Scott Kapoor supports broader testing for the defect — only about half of Toronto's inhabitants are of European descent — and argues that an antidote to fluoropyrimidine poisoning, approved by the FDA in 2015, should be on hand. However, it works only for a few days after ingestion of the drug and definitive symptoms often take longer to emerge.

Most importantly, he said, patients must be aware of the risk. “You tell them, ‘I am going to give you a drug with a 1 in 1,000 chance of killing you. You can take this test. Most patients would be, ‘I want to get that test and I'll pay for it,' or they'd just say, ‘Cut the dose in half.'”

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Alan Venook, the University of California-San Francisco oncologist who co-chairs the National Comprehensive Cancer Network, has led resistance to mandatory testing because the answers provided by the test, in his view, are often murky and could lead to undertreatment.

“If one patient is not cured, then you giveth and you taketh away,” he said. “Maybe you took it away by not giving adequate treatment.”

Instead of testing and potentially cutting a first dose of curative therapy, “I err on the latter, acknowledging they will get sick,” he said. About 25 years ago, one of his patients died of 5-FU toxicity and “I regret that dearly,” he said. “But unhelpful information may lead us in the wrong direction.”

In September, seven months after his brother's death, Kapoor was boarding a cruise ship on the Tyrrhenian Sea near Rome when he happened to meet a woman whose husband, Atlanta municipal judge Gary Markwell, had died the year before after taking a single 5-FU dose at age 77.

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“I was like … that's exactly what happened to my brother.”

Murray senses momentum toward mandatory testing. In 2022, the Oregon Health & Science University paid $1 million to settle a suit after an overdose death.

“What's going to break that barrier is the lawsuits, and the big institutions like Dana-Farber who are implementing programs and seeing them succeed,” she said. “I think providers are going to feel kind of bullied into a corner. They're going to continue to hear from families and they are going to have to do something about it.”

——————————
By: Arthur Allen
Title: Overdosing on Chemo: A Common Gene Test Could Save Hundreds of Lives Each Year
Sourced From: kffhealthnews.org/news/article/chemotherapy-drug-overdose-fluorouracil-common-gene-test-lifesaving/
Published Date: Tue, 26 Mar 2024 09:00:00 +0000

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