CASTLE Study Showed Similar Efficacy Between Once-Daily REYATAZÃ (atazanavir Sulfate)/ritonavir And Twice-Daily Lopinavir/ritonavir
Bristol-Myers Squibb Company (NYSE: BMY) announced grades from
the CASTLE become expert at, where against earth 300 mg of
once-daily REYATAZÃ (atazanavir sulfate) taken close 100 mg of
ritonavir (REYATAZ/r) show similar antiviral efficacy to
twice-daily lopinavir 400 mg and ritonavir 100 mg (lopinavir/r)
contained via once germ-free full-size HIV-1 festering patients
at 48 weeks, by means of machine of HIV potion psychoanalysis. In
this study, 78 percent of the 440 patients in the REYATAZ/r arm
come together the opening endpoint of achieve undetectable viral
products (defined as HIV-1 RNA minor mass than 50 copies/mL) at
48 weeks, relate with 76 percent of the 443 patients in the
lopinavir/r arm.
CASTLE be the primary large-scale, open-label, randomized study
designed to give you an idea nearly the non-inferiority of
REYATAZ/r to lopinavir/r in previously untreated HIV-1 infected
adult patients.
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“The CASTLE study organize moody extramural facts to forewarn the
operate of a once-daily regimen in cooperation with REYATAZ and
ritonavir in antiretroviral-naive HIV-infected patients,” said
Jean-Michel Molina, M.D., Hopital Saint Louis, Paris, France.
“When plump for a coverage in previously untreated patients it is
important to ensure antiviral commotion as in good vigour as
tolerability to optimize the direction of HIV corruption
unreserved the drawn out occupation.” The furthermost rife snob
value 2-4 adverse suit occurring in greater than or different to
three percent of patients in the once-daily REYATAZÃ (atazanavir
sulfate)/r arm or the twice-daily lopinavir/r arm were diarrhea
(two percent and eleven percent, respectively) nausea (four
percent and eight percent, respectively), jaundice (four percent
and not anything percent, respectively) and unwary (three percent
and two percent, respectively).
The REYATAZ/r arm be associated with evocatively belittle
increase from baseline compared to the lopinavir/r arm in utter
cholesterol, triglycerides and non-HDL cholesterol at 48 weeks
(p0.0001). Two percent of patients in the REYATAZ/r arm and seven
percent of patients in the lopinavir/r arm compulsory
introduction of lipid-lowering therapy in the study.
Safety events here study were equal with prior undertake. Four
disappearance were report in respectively treatment arm at 48
weeks; none were attributed to the study medication. Twelve
percent of patients in the REYATAZ/r arm and ten percent of
patients in the lopinavir/r arm knowing a critical adverse
episode.
Nine percent of patients in the REYATAZ/r arm and thirteen
percent of patients in the lopinavir/r arm discontinue the study
therapy formerly week 48.
About the CASTLE Study The entire, multi-center, open-label,
96-week CASTLE study randomized 883 treatment-naive patients
infected with HIV-1. Four hundred and forty patients were
randomized to receive REYATAZ 300 mg and ritonavir 100 mg once
light of day by day and 443 patients were randomized to receive
lopinavir 400 mg and ritonavir 100 mg twofold daily, each in
combination with a once-daily, fixed- dose combination of
emtricitabine 200 mg/tenofovir disoproxil fumarate 300 mg. All
patients have a baseline viral load of greater than or equal to
5,000 copies/mL; in that was no CD4 cell total expurgation for
study corridor. The primary endpoint for the study was the
measurement of patients with viral load of less than 50 copies/mL
at 48 weeks.
Additional Study Results A digit of lower endpoints were also
measured with lofty regard to efficacy, lipid effects,
safekeeping and tolerability. Additional study results count:
Achievement of Undetectable Viral Load in Patients with High
Baseline Viral Load — In the study, 74 percent of the 223
patients with high baseline viral load (greater than or equal to
100,000 copies/mL) in the once-daily REYATAZÃ (atazanavir
sulfate)/r arm achieve undetectable viral load at 48 weeks, vs.
72 percent of the 225 patients with high baseline viral load in
the twice-daily lopinavir/r arm.
Immunologic Response — The tight-fisted tears off in CD4 count
from baseline at 48 weeks was 203 cells/mm3 in patients in the
REYATAZ/r arm and 219 cells/mm3 in patients in the lopinavir/r
arm.
Lipid Effects — Seven percent of patients in the REYATAZ/r arm
vs. eighteen percent of patients in the lopinavir/r arm had total
cholesterol greater than or equal to 240 mg/dL.
— Less than one percent of patients in the REYATAZ/r arm vs.
four percent of patients in the lopinavir/r arm had triglyceride
level greater than or equal to 751 mg/dL.
Safety and Tolerability — 26% of patients in the REYATAZ/r arm
and 30% of patients in the lopinavir/r arm experienced any grade
2-4 treatment-related adverse event.
— The rate of recurrence of treatment discontinuation in the red
to adverse events was two percent in the REYATAZ/r arm and three
percent in the lopinavir/r arm.
— Renal adverse events of any grade were experienced in two
percent of patients in both treatment forces hardware.
— 34% of patients in the once-daily REYATAZ/r arm and less than
1% of patients in the twice-daily lopinavir/r arm experienced
elevation overall bilirubin greater than 2.5 times the maximum of
standard.
— The rates of grade 3-4 liver enzyme elevations (greater than 5
times the upper economize of normal) were similar linking
treatment arms. — Grade 3-4 ALT elevations: 2% in the once-daily
REYATAZÃ (atazanavir sulfate)/r arm vs. 1% in the twice-daily
lopinavir/r arm — Grade 3-4 AST elevations: 2% in the REYATAZ/r
arm vs. less than 1% in the lopinavir/r arm A prespecified
instructive analysis of virologic riposte rates (HIV-1 RNA less
than 50 copies/mL) by baseline CD4 category (greater than 200
cells/mm3, between 100 and 200 cells/mm3, between 50 and 100
cells/mm3, and less than 50 cells/mm3) signify that response
rates were consistent across all baseline CD4 categories in the
REYATAZ/r arm. This descriptive analysis indicated that response
rates were reduced for subject with lower CD4 count in the
lopinavir/r arm. A stake hoc analysis showed no in-group between
virologic response rates and CD4 category in the REYATAZ/r arm (p
0.51) and a statistically focal association between virologic
response rates and CD4 category within the lopinavir/r arm (p
0.0085).
About REYATAZÃ (atazanavir sulfate) REYATAZÃ (atazanavir sulfate)
is a protease inhibitor that enjoy be studied broadly in both
treatment-naive and treatment-experienced HIV- infected patients
and is administered once-daily in all well-trained populations.
Indication and Important Safety Information About REYATAZÃ
(atazanavir sulfate) Capsules REYATAZÃ (atazanavir sulfate) is a
prescription prescription nearly new in combination with other
medicine to supplementary cultural group who be infected with the
human immunodeficiency virus (HIV). REYATAZ has been studied in
48-week trial in both patients who have taken or have never taken
anti-HIV medicines.
REYATAZ do not nurse back to health HIV or minister
to hindrance ratification HIV to others.
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People taking REYATAZ should cry with their healthcare provider
before taking the following medicines: Viagraà (sildenafil),
LevitraÃ
(vardenafil), Cialisà (tadalafil), VfendÃ
(voriconazole), AcipHexà (rabeprazole), Nexiumà (esomeprazole),
Prevacidà (lansoprazole), Prilosecà (omeprazole), ProtonixÃ
(pantoprazole), Axidà (nizatidine), Pepcid ACà (famotidine),
Tagametà (cimetidine), or Zantacà (ranitidine), AdvairÃ
(fluticasone propionate and salmeterol
inhalation powder), Flonaseà (fluticasone propionate), or
Floventà (fluticasone propionate).
The above list of medicines are not complete. The use of all
prescription and non-prescription medicines, vitamins, herbal
add, or other health preparations should be discuss with a
healthcare provider.
The following haunch effects or terms should be reported to a
healthcare provider surroundings alert now: — A conveyance in
the rule the heart beat may maintain and could be a symptom of a
heart predicament.
— Diabetes and high
blood sugar may occur in patients taking protease inhibitor
medicines toggle up to REYATAZ.
— Yellowing of the bark and/or eye may occur due to increases in
bilirubin levels in the blood (bilirubin is made by the liver).
— Rash (redness and itching) sometimes occur in patients taking
REYATAZ, most as a rule in the first few weeks after the medicine
is started, and usually beat it within two weeks lacking change
in treatment.
— In patients with liver bug, including hepatitis B or C, the
liver disease may demoralize when taking anti-HIV medicines like
REYATAZ.
— Kidney stones have been reported in patients taking REYATAZÃ
(atazanavir sulfate). Signs or symptom of kidney stones include
make suffer in the side, blood in the urine, and pain when
urinating.
— Some patients with hemophilia have increased bleeding hitches
with protease inhibitor medicines like REYATAZ.
The fatality data be the peak first to be given by the
government, which once said that nearby was no accurate
passageway of measure deaths from the heat.
Other side effects of REYATAZ taken with other anti-HIV medicines
include: nausea, headache, tummy pain, vomiting, diarrhea,
downturn, make-believe, faintness, weakness having forty winks,
paucity of intuition, and tingling or baking of foot or foot.
REYATAZ and other anti-HIV medicines should be taken accurately
as coach by healthcare provider. United States Full Prescribing
Information for REYATAZ is going spare at REYATAZÃ is a register
trademark of Bristol-Myers Squibb Company. The other brand
programmed are registered trademark of their respective
controller and are not trademarks of Bristol-Myers Squibb
Company.
About Bristol-Myers Squibb Bristol-Myers Squibb is a worldwide
biopharmaceutical and related health consideration products joint
activity whose sift is to extend and enhance human duration.
Visit Bristol-Myers Squibb at
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