When doctors began using the drug sotorasib in 2021 with high expectations for its innovative approach to attacking lung cancer, retired medical technician Don Crosslin was an early beneficiary. Crosslin started the drug that July. His tumors shrank, then stabilized.
But while the drug has helped keep him alive, its side effects have gradually narrowed the confines of his life, said Crosslin, 76, who lives in Ocala, Florida: “My appetite has been minimal. I’m very weak. I walk my dogs and get around a bit, but I haven’t been able to golf since last July.”
He wonders whether he’d do better on a lower dose, “but I do what my oncologist tells me to do,” Crosslin said. Every day, he takes eight of the 120-milligram pills, sold under Amgen’s brand name Lumakras.
Crosslin’s concern lies at the heart of an FDA effort to make cancer drugs less toxic and more effective. Cancer drug trials are structured to promote high doses, which then become routine patient care. In the face of evidence that thousands of patients become so ill that they skip doses or stop taking the drugs — thereby risking resurgence of their cancers — the FDA has begun requiring companies to pinpoint the right dosage before they reach patients.
The initiative, Proj …
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When doctors began using the drug sotorasib in 2021 with high expectations for its innovative approach to attacking lung cancer, retired medical technician Don Crosslin was an early beneficiary. Crosslin started the drug that July. His tumors shrank, then stabilized.
But while the drug has helped keep him alive, its side effects have gradually narrowed the confines of his life, said Crosslin, 76, who lives in Ocala, Florida: “My appetite has been minimal. I’m very weak. I walk my dogs and get around a bit, but I haven’t been able to golf since last July.”
He wonders whether he’d do better on a lower dose, “but I do what my oncologist tells me to do,” Crosslin said. Every day, he takes eight of the 120-milligram pills, sold under Amgen’s brand name Lumakras.
Crosslin’s concern lies at the heart of an FDA effort to make cancer drugs less toxic and more effective. Cancer drug trials are structured to promote high doses, which then become routine patient care. In the face of evidence that thousands of patients become so ill that they skip doses or stop taking the drugs — thereby risking resurgence of their cancers — the FDA has begun requiring companies to pinpoint the right dosage before they reach patients.
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