VioQuest Pharmaceuticals Announces Issuance of U.S. Patent
May 07 2008 - 8:00AM
Business Wire
VioQuest Pharmaceuticals (OTCBB:VOQP) today announced that the
United States Patent and Trademark Office has issued a patent for
the company�s investigational product candidate Xyfid� (1% topical
uracil). U.S. Patent No. 7,368,456 ('456 patent), entitled
�Methods, compositions, and kits for organ protection during
systemic anticancer therapy,� includes pharmaceutical compositions,
methods of treatment, and combination kits. The �456 patent applies
to the use of Xyfid as well as to a range of methods designed to
protect body tissue from the toxic effects of certain systemically
administered anticancer therapeutic agents. In particular,
cutaneous toxicities are a side effect associated with some
commonly used anticancer therapies, including epidermal growth
factor receptor (EGFR) inhibitors, vascular endothelial growth
factor (VEGF) inhibitors, 5-fluorouracil (5-FU), and the oral 5-FU
prodrug capecitabine. For example, many patients treated with EGFR
inhibitors develop dermatological toxicity, including skin drying,
fissuring, and acneform rash that may cause the reduction,
interruption or discontinuation of treatment. As envisioned in the
�456 patent, topical application of a recombinant EGF formulation
could treat or prevent these skin toxicity manifestations,
permitting the full and uninterrupted course of treatment to be
administered. In another example, patients treated with bevacizumab
in combination with intravenous 5-FU-based chemotherapy for
metastatic carcinoma of the colon are also at risk for skin
toxicity. As envisioned in the �456 patent, topical application of
a recombinant VEGF formulation could treat or prevent skin
toxicity. �The issue of dose-limiting cutaneous toxicities in
cancer therapy puts many patients at risk and has a significant
impact on efficacy and patient outcomes. The �456 patent further
positions VioQuest to advance clinical programs involving Xyfid and
new research involving a range of methods to address toxicity
issues for patients treated with anticancer therapies in the years
ahead,� said Michael D. Becker, president and chief executive
officer of VioQuest Pharmaceuticals. About Xyfid VioQuest
Pharmaceuticals is developing Xyfid for the treatment of dry skin
conditions, to manage the burning and itching associated with
various dermatoses, and for the prevention of palmar�plantar
erythrodysesthesia (PPE), also known as hand�foot syndrome (HFS), a
relatively common dose-limiting side effect of cytotoxic
chemotherapy. HFS is most frequently associated with 5 fluorouracil
(5-FU) or the 5-FU prodrug capecitabine. 5-FU, alone or in
combination therapy, is widely used to treat cancers of the head
and neck, breast, cervix, and gastrointestinal tract. There are
currently no treatments or preventions for HFS, which is
characterized by tingling in the palms, fingers and soles of feet
and by erythema, which may progress to burning pain with dryness,
cracking, desquamation, ulceration and oedema. About VioQuest
Pharmaceuticals VioQuest Pharmaceuticals is a New Jersey-based
biotechnology company dedicated to becoming a recognized leader in
the successful development of novel drug therapies targeting both
the molecular basis of cancer and side effects of treatment.
VioQuest�s oncology portfolio includes: Xyfid� (1% uracil topical),
for the treatment and prevention of Hand-Foot Syndrome, a common
side effect associated with certain chemotherapy treatments, and to
treat dry skin conditions and manage the burning and itching
associated with various dermatoses; VQD-002 (triciribine phosphate
monohydrate), a targeted inhibitor of Akt activation; and Lenocta�
(sodium stibogluconate), an inhibitor of certain protein tyrosine
phosphatases such as SHP-1, SHP-2, and PTP1B. Further information
about VioQuest can be found at www.vioquestpharm.com. This press
release contains forward-looking statements that involve risks and
uncertainties that could cause VioQuest's actual results and
experiences to differ materially from the anticipated results and
expectations expressed in these forward-looking statements. These
forward-looking statements concern VioQuest's ability to develop
Xyfid, the potential indications and methods for which Xyfid may be
developed, and the role Xyfid may play in the treatment of
dermatological disorders caused by certain cancer therapies. These
statements are often, but not always, made through the use of words
or phrases such as anticipates, expects, plans, believes, intends,
and similar words or phrases. These statements are based on current
expectations, forecasts and assumptions that are subject to risks
and uncertainties, which could cause actual outcomes and results to
differ materially from these statements. These statements are
subject to various risks and uncertainties and include VioQuest�s
need for additional capital to fund its clinical development
programs, the possibility that the results of clinical trials will
not support VioQuest's claims, the possibility that VioQuest's
development efforts relating to its product candidates will not be
successful, the inability to obtain regulatory approval of
VioQuest's product candidates, VioQuest's reliance on third-party
researchers to develop its product candidates, its lack of
experience in developing and commercializing pharmaceutical
products, and the possibility that its licenses to develop and
commercialize its product candidates may be terminated. Additional
risks are described in VioQuest's Annual Report on Form 10-KSB for
the year ended December 31, 2007. VioQuest assumes no obligation
and does not intend to update these forward-looking statements,
except as required by law.
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