Drug Shortages Putting Patients At Risk

By Julie Appleby, The Washington Post, September 24, 2019

Medical treatment has knocked down tumors in 6-year-old Easton Daniels’s brain, but the drug that helped him also wiped out his immune system. To bolster his immune function and help keep him healthy, he has visited a hospital for intravenous infusions of immune globulin about every month for the past year and a half.

But in July, his family was stunned by a letter from Cincinnati Children’s Hospital Medical Center: “All of Easton’s appointments canceled until further notice,” said his dad, Jeremy Daniels, who works in custodial services for a school. Like Cincinnati Children’s, hospitals and clinics nationwide report a shortage of the medication, whose long manufacturing process starts with donated blood plasma.

Often referred to as IVIG, intravenous immune globulin is used for a wide variety of medical conditions beyond those for which it was first targeted — some treatments effective and some not. It is rich in antibodies, which are proteins that help fight off infection.

With IVIG in short supply, hospitals are left to make tough choices about who receives it, setting up a type of triage, like that faced by Easton’s family, who find themselves caught in a gray area over which conditions qualify. The hospital said it couldn’t comment on individual cases but that it had made those with life-threatening needs a priority.

“IVIG can be a useful treatment for evidence-based purposes, but it’s also often used as a last-chance, nothing-is-working Hail Mary kind of approach for myriad conditions even when there is not clear evidence that it helps the patient,” Jerry Avorn, a professor of medicine at Harvard Medical School, said in an email. He was speaking in general, not about any specific patient.

Nationwide, drug shortages of all kinds — from antibiotics to heart drugs to saline solution — are increasing and having a high impact on public health, the Food and Drug Administration said in a November public meeting. They often result from manufacturing problems — such as when a factory shuts down or too few suppliers exist to meet demand.

But the reasons for shortages of expensive infused drugs are particularly complicated, involving complex manufacturing processes, scientific uncertainty and financial motivations. In the case of IVIG, the expensive treatment may be a victim of its own widening use.

Dating to the 1950s, immune globulin is often the only therapy for certain genetic, life-threatening conditions that disable the body’s infection-fighting function. Its intravenous form is FDA-licensed for six conditions, including primary immunodeficiencies; Kawasaki disease, which causes inflammation in the blood vessels; preventive care after bone marrow transplants; and a neurological condition called chronic inflammatory demyelinating polyneuropathy.

Today it is also prescribed for secondary immunodeficiency, which can occur when the body’s immune system is compromised by viruses or treatments for cancer, although there may be other medicines for reinvigorating the immune system in those cases.

And Avorn said a portion of these uses may be encouraged by financial motivations. Cincinnati Children’s, for example, charges $6,800 to $10,000 for every 10-gram dose, according to the hospital’s list prices, which are generally higher than insurers pay. Adults often get more than 10 grams per infusion.

“And anytime an extremely costly infusion medicine is used in any setting, it’s worth looking at who benefits economically from its use, especially for conditions in which data on effectiveness is limited or absent,” Avorn said.

Nonetheless, increasing demand helped create the shortages, say pharmacists and others who study shortfalls. Immune globulin takes up to a year to produce, which includes plasma collection from healthy donors, processing, packaging and shipping — often at overseas manufacturing centers. There are several manufacturers, with combined global sales of about $22.6 billion.

Aside from trying to boost plasma collection to deal with a shortfall, “the other piece is stewardship [of the supply] and that really is up to the hospitals, by and large,” said John Boyle, chief executive of the Immune Deficiency Foundation, a group that advocates on behalf of people with genetic defects of the immune system. “Hospitals use an enormous portion of the plasma products out there.”

Many are scrambling to come up with ways to stretch their supplies. Some, like Cincinnati Children’s, give top priority to patients with no other alternatives, often those with primary immune deficiencies, and those for whom not getting the treatment would be life-threatening.

Others, whose indications “were not as clear-cut or it was not necessarily dangerous to them to forgo it, were placed on the bottom of the list,” said Derek Wheeler, chief of staff at Cincinnati Children’s.

 Shortages are not affecting every hospital or clinic. That variation occurs because facilities have contracts with specific distributors or manufacturers, each of which can have a different supply line.

Cristina Porch-Curren, an immunologist in Camarillo, Calif., said her patients have not run into problems getting the treatment, although one had to change brands. She is concerned about the increasing use of immune globulin for “off-label” conditions.

“Off-label doesn’t always mean bad. If you have someone who is really sick, with some terrible infection, on occasion that may be okay,” she said. But with limited supplies, she worries about growing interest by researchers and some physicians in using immune globulin for more widespread or ongoing conditions, such as dementia. “That’s concerning, especially for patients with primary immune deficiencies” who have no other alternatives, she said.

Back in Cincinnati, a temporary solution has been found for Easton. FFF Enterprises offered to supply his family with a different type of immune globulin after Easton’s father contacted the company, which is one of the largest distributors of the therapy.

Instead of an intravenous dose, it will give Easton a subcutaneous form, which can be injected as a shot at home. His doctor approved the switch, Daniels said, and the drug distributor said it would pick up the cost if his insurer, the state’s Medicaid program, balks.

 

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