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Nektar Commences Phase 2 Clinical Development Program For NKTR-102 (PEG-Irinotecan) In Colorectal Cancer
Nektar
Therapeutics (Nasdaq: NKTR) announced the start of its Phase 2
clinical development program to evaluate NKTR-102 (PEG-irinotecan) as a
potential treatment for colorectal cancer. NKTR-102 is Nektar's lead
oncolytic candidate using the company's innovative small molecule
PEGylation technology platform.
"The start of the Phase 2 program for NKTR-102 in colorectal cancer is
a major achievement for Nektar," said Howard W. Robin, Nektar President and
Chief Executive Officer. "Our Phase 2 program has the potential to
demonstrate Nektar's ability to generate innovative and important PEGylated
small molecule therapeutics. Based on our positive Phase 1 study findings,
we also plan to initiate Phase 2 studies this year to evaluate NKTR-102 in
multiple solid tumor settings."
Results from the Phase 1 study for NKTR-102 are expected to be
presented at major oncology conferences in 2008.
About the Phase 2 Clinical Development Program for NKTR-102
(PEG-irinotecan)
The Phase 2 program is designed to evaluate the safety and efficacy of
NKTR-102 (PEG-irinotecan) for the treatment of patients with solid tumors.
The first study in the program will investigate NKTR-102 in combination
with cetuximab as a second-line colorectal cancer treatment in
irinotecan-naive patients as compared to treatment with standard irinotecan
in combination with cetuximab.
The colorectal study is comprised of two sequential stages. The Phase
2a is an open-label, dose-finding trial in multiple solid tumor types that
are refractory to standard curative or palliative therapies. The Phase 2b
is an open-label, randomized, double-arm study in patients with second-line
metastatic colorectal cancer and study participants will be randomized in
one of two arms of the trial (1:1), to receive either NKTR-102 and
cetuximab or standard irinotecan and cetuximab. The Phase 2b stage is
expected to begin in mid-year 2008 and will be conducted in over 40 centers
worldwide. The primary endpoint of the Phase 2b trial is progression-free
survival. Secondary endpoints include response rate, response duration,
overall survival, standard pharmacokinetics, and incidence of toxicities,
including diarrhea and neutropenia.
Prior Data Presentations for NKTR-102
Peer-reviewed presentations of preclinical study results for NKTR-102
were presented at ECCO 14 and the AACR-NCI-EORTC International Conference
on Molecular Targets and Cancer Therapeutics in the fall of 2007.
About NKTR-102
Nektar is developing NKTR-102, a PEGylated form of irinotecan, which
was invented by Nektar using its world-leading small molecule PEGylation
technology platform. The product is currently in Phase 2 clinical
development. Irinotecan, also known as Camptosar, is an important
chemotherapeutic agent used for the treatment of solid tumors, including
colorectal and lung cancers. By applying Nektar's small molecule PEGylation
technology to irinotecan, NKTR-102 may prove to be a more powerful and
tolerable anti-tumor agent.
Preclinical studies show that treatment with NKTR-102 results in
significant suppression of tumor growth in an irinotecan-resistant mouse
colorectal tumor model. Administration of NKTR-102 in an animal model
results in a significantly improved time-concentration profile for the
active metabolite of irinotecan as compared to treatment with standard
irinotecan.
About Nektar
Nektar Therapeutics is a biopharmaceutical company that develops and
enables differentiated therapeutics with its industry-leading PEGylation
and pulmonary drug development platforms. Nektar PEGylation and pulmonary
technology, expertise, manufacturing capabilities have enabled nine
approved products for partners, which include the world's leading
pharmaceutical and biotechnology companies. Nektar also develops its own
products by applying its PEGylation and pulmonary technology platforms to
existing medicines with the objective to enhance performance, such as
improving efficacy, safety and compliance.
This press release contains forward-looking statements that reflect the
company's current views as to the value, relative competitive position, and
application of the company's technology platforms, and statements regarding
the progress, potential, and future clinical plans for the company's
proprietary product candidates in clinical and preclinical development.
These forward-looking statements involve risks and uncertainties, including
but not limited to: (i) the company's proprietary product candidates and
those of certain of its partners are in the early phases of clinical
development and pre-clinical development and the risk of failure is high
and can unexpectedly occur at any stage, (ii) the timing or success of the
commencement or conclusion of planned clinical trials is subject to a
number of uncertainties including but not limited to clinical design,
patient enrollment, regulatory requirements and clinical outcomes, (iii)
the company's or its partner's success in meeting minimum clinical end
points and obtaining regulatory approvals for product candidates, (iv) the
company may not successfully complete new collaborative partnerships with
respect to its product candidates, or if any partnerships the company does
negotiate do not include sufficiently favorable commercial terms, the
company may not receive an adequate return on these investments and our
results of operations and financial condition would suffer, (v) the
company's patent applications for its proprietary or partner product
candidates may not issue, patents that have issued may not be enforceable
or sufficient to protect against competitive products, or intellectual
property licenses from third parties may be required in the future, (vi)
the outcome of any existing or future intellectual property or other
litigation related to the company's proprietary product candidates, and
(vii) potential competition from existing approved products (branded or
generic) or product candidates under development by other companies could
negatively impact the commercial potential of the company's product
candidates due to such competitive factors as efficacy and safety profiles,
pricing, and reimbursement by third party payers. Other important risks and
uncertainties are detailed in the company's reports and other filings with
the Securities and Exchange Commission (SEC), including its most recent
Quarterly Report on Form 10-Q filed with the SEC on November 9, 2007.
Actual results could differ materially from the forward-looking statements
contained in this press release. The company undertakes no obligation to
update forward-looking statements, whether as a result of new information,
future events or otherwise. No information regarding or presented at the
company's R&D day either posted on the company's website or presented
orally or visually through the Webcast is intended to be incorporated by
reference in this press release.
Nektar Therapeutics
http://www.nektar.com
View drug information on Camptosar.
Nektar Commences Faza 2 clinice Programul de Dezvoltare Pentru NKTR-102 (PEG-Irinotecan) În cancerul colorectal - Nektar Commences Phase 2 Clinical Development Program For NKTR-102 (PEG-Irinotecan) In Colorectal Cancer - articole medicale engleza - startsanatate