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Medical Forum / Diseases and Disorders / Hepatitis / June 2006

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What percentage of responders get  SVR?

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anonymousone - 17 Jun 2006 05:48 GMT
Any studies on what perscentage of responders achieve SVR?

Any studies where they break it down by genotype?

You know, stuff like that.
Ally - 17 Jun 2006 14:44 GMT
> Any studies on what perscentage of responders achieve SVR?
> Any studies where they break it down by genotype?
> You know, stuff like that.

Forgive my ignorance but what does SVR stand for?

Ally
ghibelno - 17 Jun 2006 15:40 GMT
Ally ha scritto:
>> Any studies on what perscentage of responders achieve SVR?
>> Any studies where they break it down by genotype?
[quoted text clipped - 3 lines]
>
> Ally

Sustained Viral Response.
It is what you, and all people undergoing Hepatitis C treatment, are
looking for.

It is defined as no detectable (<50 IU/ml or <10 IU/ml, depends from the
essay used for the lab test) viral load in the blood stream 24 weeks (6
months) after completing treatment.

Cheers,
jeeb.
Cactus Jammies - 17 Jun 2006 17:18 GMT
Say Ally, do you need any internet resourses from web pages for Hep C and
treatment?  There is more out there than you can shake a syringe at or for
me to capsule ate at once.  There are frequent postings on this list about
something new coming up or resources on the web all the time.

SVR  that's on the way to killing or at least stunning the ash sea dragon a
good one for quite a while.  You're looking for an SVR six months afer your
treatment is over.

cactus jammies

>> Any studies on what perscentage of responders achieve SVR?
>> Any studies where they break it down by genotype?
[quoted text clipped - 3 lines]
>
> Ally
Ally - 17 Jun 2006 17:42 GMT
> Say Ally, do you need any internet resourses from web pages for Hep C and
> treatment?  There is more out there than you can shake a syringe at or for
[quoted text clipped - 6 lines]
>
> cactus jammies

6 months after treatment, okay, I'd better get it for all this crap I
am going thru. Oops, did that sound irritable? Can't be from watching
my hair going down the drain this morning. Ho hum, the joys of tx.

Yes, I know there is so much info out there but it is overwhelming so I
don't know who to read and who to trust. Is there maybe a couple of
good trustworthy websites you could recommend? I might as well get some
reading done while I'm zonked out at home.

Thanks, Ally
elmoemerson@webtv.net - 17 Jun 2006 19:23 GMT
It depends on how many bananas you've consumed during your course of tx.  
elmo

http://community.webtv.net/elmoemerson/DocElmosHepFile

http://community.webtv.net/elmoemerson/TheFamilyAlbum
Cactus Jammies - 17 Jun 2006 19:45 GMT
mango says hi, buddy  meow  meow

cj   guardian and feeder of The Mangulator
.................................................................
> It depends on how many bananas you've consumed during your course of tx.
> elmo
elmoemerson@webtv.net - 18 Jun 2006 13:58 GMT
Buddy-Mango woof woofs
elmo
buddy toots
//////////////
  mango says hi, buddy meow meow
cj   guardian and feeder of The Mangulator
.............................................
<elmoemerson@webtv.net> wrote in message
news:19138-449448B9-461@storefull-3252.bay.webtv.net...
It depends on how many bananas you've consumed during your course of tx.
elmo

http://community.webtv.net/elmoemerson/DocElmosHepFile

http://community.webtv.net/elmoemerson/TheFamilyAlbum
Burke Gilman - 17 Jun 2006 21:50 GMT
Viral Response (VR) exists when Viral Load (VL) has been reduced to a
level so low that it cannot be detected by laboratory assay.

A Sustained Viral Response (SVR) exists when VR continues after six
months past discontinuance of antiviral chemotherapy.

Once SVR is attained, as a matter of statistical probability, the virus
is gone for good, unless the subject is reinfected.

-BG

> > Any studies on what perscentage of responders achieve SVR?
> > Any studies where they break it down by genotype?
[quoted text clipped - 3 lines]
>
> Ally
Burke Gilman - 17 Jun 2006 22:18 GMT
Anonymouseone,

Right with showing me my lab results that confirmed I was infected with
HCV geno-3, my PA explained my chances of attaining SVR with first
round of standard of care Tx.

I'd already learned that HCV geno-1 has about 40% chance of attaining
SVR with first round of standard 48-week treatment with pegylated
interferon and ribabirin. And that chances for attaining SVR are better
for geno-3 and geno-2 patients at around 80 and 85% respectively after
the first round of Tx.

Since I started Tx, I've learned about other factors that corrrespond
to various chances of SVR, such as the attainment of Early Viral
Response (EVR -- in my case defined as an undectable VL at 4 weeks; I
think for geno-1, an EVR is defined as an undectable VL at 12 weeks, so
if you have VR already at 12 weeks, then your expected outcome now is
that associated with patient who as attained EVR.)

Also, the topography of sides and symptoms related to treatment - as it
effects compliance - is an important factor that can effect chances of
SVR. And then there are various outcomes associated with various second
treatment strategies, and all the while new strategies are introduced.

Some URLs:

http://clinicaloptions.com/Hepatitis.aspx (great source for findng
latest Hep studies)

http://www.hivandhepatitis.com/hep_c/hepc_news_svr.html

http://www.hepatitisdoctor.com/

-BG

> Any studies on what perscentage of responders achieve SVR?
>
> Any studies where they break it down by genotype?
>
> You know, stuff like that.
Burke Gilman - 17 Jun 2006 22:26 GMT
> I'd already learned that HCV geno-1 has about 40% chance of attaining
> SVR with first round of standard 48-week treatment with pegylated
> interferon and ribabirin.

CORRECTION: I'd learned that chances for SVR with genotype-1 is 40% to
60% at start of first round of Tx.

- BG
greyhackles - 18 Jun 2006 05:18 GMT
>> I'd already learned that HCV geno-1 has about 40% chance of attaining
>> SVR with first round of standard 48-week treatment with pegylated
[quoted text clipped - 4 lines]
>
>- BG

I think your first answer is closer to the "correct" one. From all of the
studies I've read over the last two years that used PegIFN and Riba, I believe
the net SVR rate for g1s using *Intention To Treat* metrics is roughly 35%.
Using different metrics, the SVR percentage will always report higher because
the cohort reductions are usually focused on patients that would not have
obtained SVR - for whatever reason. Imho the only metric prospective patients
can (and should) relate to is ITT based...

Cheers

/greyhackles
anonymousone - 18 Jun 2006 05:53 GMT
> > I'd already learned that HCV geno-1 has about 40% chance of attaining
> > SVR with first round of standard 48-week treatment with pegylated
[quoted text clipped - 4 lines]
>
> - BG

I dont think you are understanding the question. I have been told that
genotype 1 is 40%-50% SVR, but I believe that number includes
non-responders also. My question is that for those who di  respond to
treatment , what is the percentage of SVR?
greyhackles - 18 Jun 2006 06:01 GMT
>> > I'd already learned that HCV geno-1 has about 40% chance of attaining
>> > SVR with first round of standard 48-week treatment with pegylated
[quoted text clipped - 9 lines]
>non-responders also. My question is that for those who di  respond to
>treatment , what is the percentage of SVR?

So, basically, you want to know the relapse rate for g1s? My bcld said in the
PegIFN/Riba era is has been around 20%.

But I suspect this is declining as test sensitivity increases, identifying
patients that never actually cleared the virus before the end-of-therapy.

Cheers

/greyhackles
anonymousone - 18 Jun 2006 06:12 GMT
> >> > I'd already learned that HCV geno-1 has about 40% chance of attaining
> >> > SVR with first round of standard 48-week treatment with pegylated
[quoted text clipped - 19 lines]
>
> /greyhackles

Yes, maybe I didnt explain myself very well, but thats what I wanted to
know.

I wonder if their have been studies where they f break it down further
by race.?
Burke Gilman - 19 Jun 2006 05:19 GMT
Yeah, I didn't clearly understand what you were asking about chances of
responders getting SVR versus chances of all persons who receive Tx.

I'm much too messed up to be thinking about it much -- Shot #12 has
been beating me up like despised step-child, and I should have known
better than speak out on any complicated stuff over the past couple
days.

Anyway, fwiw, I did see a study that found ER is not much of a
predictor for SVR among African Americans with geno-1.

Over and totally frigging out, dump me in a 1970s boxing ring and say I
went 15 rounds with Ali.

BG

> > >> > I'd already learned that HCV geno-1 has about 40% chance of attaining
> > >> > SVR with first round of standard 48-week treatment with pegylated
[quoted text clipped - 25 lines]
> I wonder if their have been studies where they f break it down further
> by race.?
Ally - 18 Jun 2006 17:38 GMT
Thanks BG for those links. I've been reading up and there's a lot of
info on them.

Ally
elmoemerson@webtv.net - 19 Jun 2006 01:50 GMT

Re: What percentage of responders get SVR?  

Group: alt.support.hepatitis-c Date: Sun, Jun 18, 2006, 9:38am (CDT-2)
From: 4thMoon@gmail.com (Ally)
Thanks BG for those links. I've been reading up and there's a lot of
info on them.
Ally
////////////////////
I like 'Doctor's Guide'.  You have to subscribe and tell them you're a
health professional when you sign up, LOL, their information is top
notch and reputable.  If you ask them too, they'll even email you with
updates on the latest info on treating liver disease.  I think you can
easily find them by googling 'doctor's guide homepage'.
elmo

http://community.webtv.net/elmoemerson/DocElmosHepFile

http://community.webtv.net/elmoemerson/TheFamilyAlbum
ericpass - 23 Jun 2006 15:47 GMT
Ally,
I was (am) Genotype 1A. My liver was shot and I had a liver transplant
6/8/2000. I knew after the transplant that should it return, I would
have to go through treatment.
About 3 years post transplant, my viral load had climbed to a level
that made my gastro doc start treatment. I knew all the risks and data
associated with it. After 48 weeks of the Pegasys/Copegus treatment, I
was undetectable. At 1 year post treatment, I was still undetectable.
At my last clinic visit, June 6, 2006, they did one last test to check.
I am still undetectable. That is more than 2 years post treatment and
with no immune system! They also informed me that they use a new test
to measure viral loads. It is extremely sensitive and can detect levels
in the hundreds, not less than 50,000 as the previous test.
I may be some sort of exception to the general rule, but do not give up
hope. This was my first and only treatment for HCV. My doctors tell me
that there are a couple of new drugs out there that show great promise
as well.
Eric
Liver TX 6/8/2000
 
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