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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3035

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www.sciencedaily.com/releases/2015/11/151116181750.htm

"Current approved treatments for chronic HCV are not equally effective in combating the virus' different genotypes. Testing to determine the genotype and subtype of the virus is required before treatment could be initiated. But the combination of sofosbuvir-velpatasvir has been shown to be applicable to all strains of HCV, effectively eliminating the need to test for the viral genotype -- an obstacle that often delayed treatment.

The regimen was tested in an international, randomized, double-blind placebo-controlled phase three trial conducted at 81 sites in eight different countries. After 12 weeks, 99 per cent of the 624 patients who had been treated with a daily tablet of sofosbuvir-velpatasvir experienced a sustained virologic response -- the medical term for eradication or cure of HCV -- meaning that patients remained free of the virus three months after completing treatment. None of the 116 patients receiving a placebo experienced the same result."
NSW Australia. Genotype 1b 30+ years, F0-F1, VL 91,000 Feb 2015 (740,000 in 2010), Tx naive.
Ordered Sof/Dac from Buyers Club 21 Sept, received 14 Oct.
Virus UNDETECTED at 3 weeks AND 12 weeks (EOT) AND SVR4 AND SVR12 AND SVR24. :-)
A thousand thankyous to Dr James and the amazing FixHepC team.
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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3037

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Gilead's new possible game-changer...applicable to all genotypes except 3
GT1a since 1988, diagnosed 1990
F0, tx naive
VL 262,000 ALT 40 AST 26 GGT 13 Fibroscan 04/12/15 - 2.9
Started Mesochem sof/dac 12 weeks 01/01/2016
11/02/2016 - 6 weeks UNDETECTED
AST 26
ALT 26

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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3038

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You're right - no 3, I missed that (brain fog). I didn't even know there was a 5 & 6.
NSW Australia. Genotype 1b 30+ years, F0-F1, VL 91,000 Feb 2015 (740,000 in 2010), Tx naive.
Ordered Sof/Dac from Buyers Club 21 Sept, received 14 Oct.
Virus UNDETECTED at 3 weeks AND 12 weeks (EOT) AND SVR4 AND SVR12 AND SVR24. :-)
A thousand thankyous to Dr James and the amazing FixHepC team.

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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3039

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Yep they are pretty confined to parts of Asia/S Africa



GT1a since 1988, diagnosed 1990
F0, tx naive
VL 262,000 ALT 40 AST 26 GGT 13 Fibroscan 04/12/15 - 2.9
Started Mesochem sof/dac 12 weeks 01/01/2016
11/02/2016 - 6 weeks UNDETECTED
AST 26
ALT 26
Attachments:
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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3243

I'm not convinced it's better than Dac.

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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3246

klhilde wrote: I'm not convinced it's better than Dac.


Me either in fact i'm not convinced that Led is better than Dac in Gen1 patients either. Gilead makes both products so Sof Led was offered more I think trying to cut BMS out.
Two time relapser.

SVR 4 achieved 12/16 at last
SVR 12 achieved 22/02/2017 The Bastard has been defeated :):):)

GT 3 - about 28 yrs with HCV
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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3252

We have to take into account Gilead's dishonesty in the way it presents it's trial results.

And, remember, Gilead bought the company that created Sofosbuvir. They then quietly changed the product, making it slightly inferior but giving it a better shelf life, after trialling it. They then created their own NS5A inhibitor, Ledipasvir. It has a lower kill log than Daclatasvir, but Gilead's power and persuasion have made it's combination with Sovaldi (Harvoni) the market leader and preferred medicine for many heppers.

Frankly, if a Gilead exec shook my hand (unlikely, I know), I'd check how many fingers I had left.
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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3253

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99% SVR 12 for genotype 2 in study for sovaldi and velpatasvir this says:

www.healio.com/hepatology/hepatitis-c/ne...py-in-hcv-genotype-2
GT 2b; since 80's, no prior tx, sofosbuvir and daclatasvir compounded from API's at Kingswood Pharmacy in Sydney, started tx nov 6,2015, undetected at 4 wks, UND at 8 weeks, UND at 1 week after EOT, UND at 4 weeks after EOT and UND at 8 weeks after EOT. " I feel GOOD!! I knew that I WOULD!"
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Sofosbuvir-Velpatasvir - suits all genotypes 6 years 10 months ago #3259

So if you read the study www.healio.com/hepatology/hepatitis-c/ne...py-in-hcv-genotype-2

There were 134 patients in the sofosbuvir/velpatasvir....

First consider margin of error www.surveymonkey.com/mp/margin-of-error-calculator/

If you use a conservative 1,000,000 for the population size, a 95% confidence interval and 134 sample you will see the margin of error is 9%

So this could quite possibly represent a 90% real cure rate.

99% is interesting because 1 patient cure either way at this study size make big differences

133/134 = 99.2% (rounds to 99%)
132/134 = 98.507% (rounds to 99%)
131/134 = 97.76% (rounds to 98%)

There were 134 patients in the sofosbuvir/velpatasvir arm and 132 in the sofosbuvir/ribavirin arm. One patient in the velpatasvir arm stopped treatment due to an adverse event on day 1 and one patient in the ribavirin arm was lost to follow-up after week 10.

There were two deaths in the velpatasvir group, but neither was determined to be related to the study regimen.


Here is better data reported in the mainstream literature:

www.ncbi.nlm.nih.gov/pubmed/26569658

Results Of the 267 patients who received treatment, 78% had HCV genotype 1, 4% genotype 2, 15% genotype 3, 3% genotype 4, and less than 1% genotype 6; no patients had genotype 5. Overall rates of sustained virologic response were:

  • 83% (95% confidence interval [CI], 74 to 90) among patients who received 12 weeks of sofosbuvir-velpatasvir,
  • 94% (95% CI, 87 to 98) among those who received 12 weeks of sofosbuvir-velpatasvir plus ribavirin, and
  • 86% (95% CI, 77 to 92) among those who received 24 weeks of sofosbuvir-velpatasvir.


And these results are also worth looking at (lots of < 90% SVR results in there):

www.ncbi.nlm.nih.gov/pubmed/26551051

So in bigger studies it does not look superior to Daclatasvir.....
YMMV
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