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FDA Approves 2nd Gene Therapy Cancer Treatment

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Dread Lady Nathicana
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FDA Approves 2nd Gene Therapy Cancer Treatment

Postby Dread Lady Nathicana » Thu Oct 19, 2017 7:28 am

There appears to be some new hope for some cancer patients, in the second form of gene therapy treatments approved by the FDA. This second is aimed at adults with blood cancer and non-Hodgkins lymphomas. Apparently, it takes the T-cells from a person's body and reprograms them, so to speak, to attack the protein cover on cancer cells. This isn't 100%, and those for whom the treatment has failed have around a 50% chance of not living past 6mo. Of course the alternative doesn't look much better. The successes seen have been pretty amazing, though even after 5 years of recession in some cases, doctors are hesitant to throw out the word 'cure'. Here's some quotes on Yescarta, by Kite Pharma:

"The Food and Drug Administration on Wednesday approved the second in a radically new class of treatments that genetically reboot a patient's own immune cells to kill cancer.

The new therapy, Yescarta, made by Kite Pharma, was approved for adults with aggressive forms of a blood cancer, non-Hodgkins lymphoma, ,who have undergone two regimens of chemotherapy that failed.

The treatment, considered a form of gene therapy, transforms the patient's cells into what researchers call a "living drug" that attacks cancer cells. It is part of the rapidly growing field of immunotherapy, which uses drugs or genetic tinkering to turbocharge the immune system to fight disease. In some cases the treatments have led to long remissions."


The Food and Drug Administration allowed sales of the treatment from Kite Pharma. It uses the same technology, called CAR-T, as the first gene therapy approved in the U.S. in August, a treatment for childhood leukemia from Novartis Pharmaceuticals.

"In just several decades, gene therapy has gone from being a promising concept to a practical solution to deadly and largely untreatable forms of cancer," FDA Commissioner Dr. Scott Gottlieb said in a statement.

The treatment, called Yescarta, will cost $373,000 per patient, according to drugmaker Gilead Sciences. Kite became a subsidiary of Foster City, California-based Gilead this month.


A second new personalized treatment for cancer has won approval from the Food and Drug Administration — a clear sign that such treatments will become more widely available for patients with no other options.

The treatment is called CAR-Tand can have dramatic effects in some patients. But it is both grueling and expensive and will remain a last-ditch treatment for a few, specific cancer types.

The company that will market it, Gilead Sciences, has priced it at $373,000 and the FDA warns it can cause severe side effects.

The therapy is called Yescarta — the generic name is axicabtagene ciloleucel. It’s described as gene therapy because the patient’s own immune cells are removed and genetically engineered to better fight off the cancer.

It's a little different from similar approaches in which a cancer patient's immune cells are harvested and numbers boosted in the lab. And it's different from other gene therapy treatments for inherited diseases.

“Yescarta, a chimeric antigen receptor (CAR) T cell therapy, is the second gene therapy approved by the FDA and the first for certain types of non-Hodgkin lymphoma,” the FDA said in a statement.


For myself, this sounds like a fantastic step forward, and I hope that it leads to an eventual cure, not just 'long remissions'. No, not against genetic therapy when it comes to improving the health of people, though once insurance is brought into it, can't help but think they're going to find some way to really fuck it up.

The cost sounds staggering, as always, but given this is looked at as a last chance ... dunno. Have no idea the costs of developing it, and what might be needed to continue to attempt to streamline and improve it. That's completely outside my realm of expertise, unfortunately. As for the risks, well ... these folks are already at the point of 'we can't do much more for you'. My cousin lost her husband to a long, painful battle that she documented on a blog for friends and family, but primarily for herself and her children. Wish they would have had this available way back then, and I'm certain they would have jumped at the chance, however slim it might be, to beat that beast back for a little longer.

So what do you folks think? Good, bad, dangerous, any real hope or another tool of Big Pharma to suck us dry? For or against gene therapy, and why? Let's hear it. Anything for a chance at something positive, and a break from our usual Circus of Idiots out there in DC, neh?

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Hammer Britannia
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Postby Hammer Britannia » Thu Oct 19, 2017 7:35 am

Great, another treatment for cancer.
All shall tremble before me

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The Archregimancy
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Postby The Archregimancy » Thu Oct 19, 2017 7:52 am

Writing as someone with a direct personal interest in the subject...

Reading the stories, this treatment seems to be targeted towards very specific kinds of blood cancer rather than being universally applicable across the entire spectrum of conditions. I would imagine that a patient's reaction to this news rather depends on the type of blood cancer and where a patient lives. Blood cancers are an exceptionally varied class of cancers, with highly different prognoses depending on the specific condition. I imagine a patient with T-cell prolymphocytic leukaemia, staring at a median survival rate of months, will seize on almost any treatment that offers some form of survival, even if it's not 100% and has 'severe side effects'. In contrast, a patient with indolent chronic lymphocytic leukaemia who's on 'watch and wait', and who might not need treatment for a decade, might be more inclined to be patient, and avoid treatments that are so expensive and can have such a negative impact (even if they keep you alive). Finally, the cost issue is likely more of a problem in the United States - though I acknowledge that in a story about FDA approval, it's entirely relevant to focus on the American context.

In any case, I won't be rushing to take advantage of this treatment option. I have other options that suit my specific condition better. But I wish those with the time, money, and inclination to give it a go the best of luck.



Also, this is a pedantic point, but non-Hodgkins lymphomas are blood cancers rather than a separate category of disease. 'Non-Hodgkins lymphoma' is a group of unrelated blood cancers that encompass all lymphoma-causing blood cancers that aren't Hodgkins lymphoma. 'Blood cancer' includes leukaemias, lymphomas, and myelomas.

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Herador
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Postby Herador » Thu Oct 19, 2017 10:43 am

Another step to beating a shitty way to die, glad to see it.
Vaguely a pessimist, certainly an absurdist, unironically an antinatalist.


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