Eighteen months after his initial diagnosis, chemotherapy hadn't slowed 21-year-old Mason Henderson's rare brain tumor, which had spread to his spinal fluid.
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which → slow → fluid
So he left his home in southeastern Texas to spend three weeks in a clinical trial in New York City.
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he → leave → City
But that failed, too, leaving a murky path for Henderson, whose cancer was so rare the World Health Organization had only given it a name in 2021.
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Organization → fail → 2021
So early this year, Henderson's doctors, evaluating his tumor's deep genetic language, turned to a drug made by Merck and AstraZeneca called Lynparza.
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doctors → evaluate → Merck
It was not the standard of care for Henderson's condition — there wasn't really any standard, which is not unusual for rare cancers.
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which → be → cancers
And Henderson's insurance would not pay for it, despite the careful justification given by the two specialists treating him.
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insurance → pay → him
"They have no guidelines for his cancer," Henderson's mother, Tabitha Lowe, said in a March interview with KFF Health News.
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mother → have → News
"They're discriminating against him because his cancer is so rare."
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cancer → discriminate → him
Every year, tens of thousands of people — representing about a quarter of all U.S. cancers — are diagnosed with tumors that differ enough from frequently identified ones to be called rare.
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that → represent → ones
In determining whether to reimburse treatment for such ailments, insurers turn to Food and Drug Administration labels and expert guidelines.
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insurers → determine → labels
But these rare afflictions often lack targeted, FDA-approved treatment options, even though in many cases, molecular tests offered by diagnostic companies and university labs can provide a strong suggestion of what will work.
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what → lack → suggestion
"Insurance coverage routinely trails behind what genomic testing reveals about a patient's cancer and what the science supports," said Olivier Elemento, director of Weill Cornell Medicine's Englander Institute for Precision Medicine.
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Elemento → trail → Medicine
Henderson's neuro-oncologists, Jacob Mandel of the Baylor College of Medicine and Jessica Schulte of NYU Langone Health, decided to try Lynparza, also known by the generic name olaparib, in combination with chemotherapy.
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oncologists → decide → chemotherapy
There wasn't a wealth of evidence behind the drug but there was a "biologically reasonable" assumption it would help, Schulte said, because cells in tumors like Henderson's have a flaw that drugs like Lynparza can target.
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drugs → be → Lynparza
Providers in several previous cases had seen brain cancers like Henderson's respond well to the drug.
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cancers → see → drug
"In general, we try to base our treatment decisions on large patient studies" involving hundreds of patients, Schulte said.
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Schulte → try → patients
But large clinical trials will probably never be conducted for a cancer as rare as Henderson's
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trials → conduct → Henderson
Schulte, who specializes in brain cancers in young adults, sees only a few of Henderson's type each year, she said.
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she → specialize → type
Mandel prescribed the drug on Jan. 16.
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Mandel → prescribe → Jan.
Liviniti, Henderson's pharmacy benefit manager, responded with a quick refusal on Jan. 30.
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Liviniti → respond → Jan.
Two weeks later, the company sent an explanation: "Lynparza is not approved for the diagnosis provided."
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Lynparza → send → diagnosis
Out-of-pocket, the drug would cost about $8,700 per month, Lowe said.
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Lowe → cost → month
Liviniti did not respond to phone calls seeking comment.
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Liviniti → respond → comment
Before his diagnosis, Henderson was a healthy, athletic young man with a big heart, faith in Jesus, and a tight group of friends, his mother said.
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mother → say → friends
At Evadale High School, north of Beaumont, Texas, Henderson played baseball and football and was homecoming king in 2022.
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Henderson → play → 2022
After graduating, he worked at the local paper mill, spending his free time hunting, fishing, and exploring the woods on an all-terrain vehicle.
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he → graduate → vehicle
He wanted to be a police officer, Lowe said.
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Lowe → want → ?
Henderson was 20 on March 15, 2024, when his brother Gunner found him at the top of the stairs in the family home with his head in his hands.
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brother → find → hands
"He was in the post-seizure state," Lowe said.
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Lowe → say → state
"He couldn't talk.
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He → talk → ?
At an emergency room in Beaumont, an MRI revealed a large tumor.
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MRI → reveal → tumor
He was transferred to Baylor St. Luke's Medical Center in Houston and diagnosed with a form of brain cancer called diffuse hemispheric glioma (H3 G34-mutant).
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He → transfer → cancer
Surgery a few days later cut out 90% of the tumor, but brain cancers are almost impossible to remove entirely, because of the delicacy of the tissue they're embedded in, Schulte said.
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Schulte → cut → tissue
After 16 months of radiation and chemotherapy, a September 2025 scan showed the cancer had spread to his spinal cord, a condition called leptomeningeal disease that usually proves fatal within a few months.
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that → show → months
Mandel contacted Schulte about a clinical trial she was leading.
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she → contact → trial
It consisted of 11 days of brutal craniospinal irradiation, which left Henderson exhausted.
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which → consist → Henderson
"The family was wonderful," Schulte recalled.
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Schulte → recall → ?
"They were trusting in their team, but they asked appropriate questions to make sure that we were thinking about Mason as a person.
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thinking → trust → person
Coverage refused
Lynparza, approved by the FDA in 2014 for ovarian cancer, works by interfering with tumor cells' ability to multiply.
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works → refuse → ability
After Liviniti, the pharmacy benefit manager, refused coverage for Henderson, his family turned to Jefferson County.
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family → refuse → County
…and 61 more, not listed.
The Aporia
