[38] Although the results of
the trials of cell therapy for PD were mixed, with only a minority of patients showing clear - cut and durable gains, researchers have subsequently gained substantial insight into the reasons underlying differential outcomes at different centers and amongst different protocols, and for the troubling dyskinesias that were suffered by some patients.
Not exact matches
Kite Pharma, one
of the companies chasing a new generation
of cancer drugs called chimeric antigen receptor T -
cell (CAR - T)
therapies, announced a patient death in a clinical
trial of its experimental KTE - C19.
These risks and uncertainties include: Gilead's ability to achieve its anticipated full year 2018 financial results; Gilead's ability to sustain growth in revenues for its antiviral and other programs; the risk that private and public payers may be reluctant to provide, or continue to provide, coverage or reimbursement for new products, including Vosevi, Yescarta, Epclusa, Harvoni, Genvoya, Odefsey, Descovy, Biktarvy and Vemlidy ®; austerity measures in European countries that may increase the amount
of discount required on Gilead's products; an increase in discounts, chargebacks and rebates due to ongoing contracts and future negotiations with commercial and government payers; a larger than anticipated shift in payer mix to more highly discounted payer segments and geographic regions and decreases in treatment duration; availability
of funding for state AIDS Drug Assistance Programs (ADAPs); continued fluctuations in ADAP purchases driven by federal and state grant cycles which may not mirror patient demand and may cause fluctuations in Gilead's earnings; market share and price erosion caused by the introduction
of generic versions
of Viread and Truvada, an uncertain global macroeconomic environment; and potential amendments to the Affordable Care Act or other government action that could have the effect
of lowering prices or reducing the number
of insured patients; the possibility
of unfavorable results from clinical
trials involving investigational compounds; Gilead's ability to initiate clinical
trials in its currently anticipated timeframes; the levels
of inventory held by wholesalers and retailers which may cause fluctuations in Gilead's earnings; Kite's ability to develop and commercialize
cell therapies utilizing the zinc finger nuclease technology platform and realize the benefits
of the Sangamo partnership; Gilead's ability to submit new drug applications for new product candidates in the timelines currently anticipated; Gilead's ability to receive regulatory approvals in a timely manner or at all, for new and current products, including Biktarvy; Gilead's ability to successfully commercialize its products, including Biktarvy; the risk that physicians and patients may not see advantages
of these products over other
therapies and may therefore be reluctant to prescribe the products; Gilead's ability to successfully develop its hematology / oncology and inflammation / respiratory programs; safety and efficacy data from clinical studies may not warrant further development
of Gilead's product candidates, including GS - 9620 and Yescarta in combination with Pfizer's utomilumab; Gilead's ability to pay dividends or complete its share repurchase program due to changes in its stock price, corporate or other market conditions; fluctuations in the foreign exchange rate
of the U.S. dollar that may cause an unfavorable foreign currency exchange impact on Gilead's future revenues and pre-tax earnings; and other risks identified from time to time in Gilead's reports filed with the U.S. Securities and Exchange Commission (the SEC).
Cambridge, MA — March 30, 2017 — Aura Biosciences, a biotechnology company developing a new class
of therapies to target and selectively destroy cancer
cells using viral nanoparticle conjugates, announced today that it has enrolled and dosed the first patient in its Phase 1b clinical
trial of light - activated AU - 011, an investigational, first - in - class targeted
therapy in development for the treatment
of ocular melanoma, a rare and life - threatening disease.
Dr. Newman added that rival CAR T
cell therapy developer Kite Pharma was still likelier to generate more revenue than Juno with KTE - C19, which last week completed patient enrollment in the Phase II portion
of the ZUMA - 1
trial in patients with diffuse large B -
cell lymphoma.
No. 4: CAR - T takes a backseat Research into chimeric antigen receptor T -
cell (CAR - T)
therapy has captured the attention
of investors over the past two years, but safety risks could emerge as
trial sizes increase, and that could help shift attention to other promising anti-cancer approaches, including NantKwest's (NASDAQ: NK) natural killer
cell approach and soon - to - IPO Editas» CRISPR / Cas approach.
The truth,
of course, is that there are no human embryonic stem -
cell therapies even in clinical
trial, let alone ready for
therapy, and there have been no major treatment....
With about 50 scientists and technicians working furiously to produce
cell therapies for
trials throughout the University
of Pennsylvania (UPenn), CHOP can treat about five children each month.
Based on results
of the current study described in a report online June 18 in the journal Cancer
Cell, Johns Hopkins researchers say they are planning a phase I clinical
trial to test the paclitaxel - fostamatinib combination
therapy in patients with recurrent advanced ovarian cancer.
«There are currently no
therapies which successfully reverse the damage seen in the more than 12,000 individuals who suffer a spinal cord injury each year in the United States alone,» says Dr. Richard G. Fessler, professor
of neurological surgery at Rush University Medical Center and principal investigator for the Phase 1 clinical
trial involving AST - OPC1 (oligodendrocyte progenitor
cells).
«Fibroblast growth factor receptor inhibitors are new
therapies being developed in clinical
trials for patients whose cancer
cells have genetic alterations in this family
of genes,» says Roychowdhury, a member
of the OSUCCC — James Translational Therapeutics Program.
Now a University
of Colorado Cancer Center study published online ahead
of print in the journal Oncogene offers compelling evidence explaining this failure and offering a possible strategy for the use
of retinoic acid or other retinoids against some breast cancers: Because early clinical
trials are often offered to patients who have already tried other more established
therapies, breast cancer
cells may have been pushed past an important tipping point that offers retinoic acid resistance.
«These are optimistic results for one
of the first targeted
therapies for cancer stem
cells,» says Antonio Jimeno, MD, PhD, investigator at the CU Cancer Center, director
of the university's Cancer Stem
Cell - Directed Clinical
Trials Program, and principal investigator
of the clinical
trial at the CU Cancer Center site.
But scientists are making progress in refining these
therapies, and the first ever
trial of fetal stem
cells injected directly into the brain is currently under way in children with Batten disease, a rare and fatal illness
of the nervous system.
One clinical
trial involves the drug CGF166, a one - time gene
therapy, which, if proven successful in humans, could regenerate new hair
cells within the cochlea that can signal the part
of the brain that processes sound.
The researchers hope that ultimately human
trials will prove the efficacy
of the OH14 compound in sensitising tumour
cells and cancer stem
cells to existing drug - based
therapies thus disabling tumours from seeding new growth after treatment.
A phase 3
trial of lenalidomide / dexamethasone with elotuzumab (Empliciti ™), an antibody
therapy that attacks myeloma
cells directly and spurs the immune system to launch an attack
of its own.
A U.K. team is designing a clinical
trial even more radical than prenatal stem
cell therapy: the first ever test
of gene
therapy in pregnancy.
Two
of 10 children treated with gene
therapy for SCID in a French
trial develop leukemia, researchers announced in 2002, and it is discovered that the virus had inserted genes in several unexpected places around the genome, leading the
cells to become cancerous.
Priscilla N. Kelly Associate Editor Education: B.Sc., University
of Western Australia; Ph.D., University
of Melbourne Areas
of responsibility: Preclinical development, translational medicine, cancer immunotherapy, drug discovery, clinical
trials, gene and
cell therapy E-Mail:
[email protected]
It showed effectiveness against liver cancer in a phase II clinical
trial and will move into a phase III
trial later this year, David Kirn, an oncologist and the company's president and chief executive officer, said at a recent meeting
of the American Society for Gene &
Cell Therapy in Washington, D.C..
Clinical
trials that charge enrollees to participate are ostensibly aimed at giving patients early access to promising
therapies — often in the fields
of stem
cells or aging reversal — that are too unusual or have too little profit potential to get funding from traditional sources such as companies, foundations, or the National Institutes
of Health.
Combining radiation
therapy with chemotherapy for patients with limited metastatic non-small
cell lung cancer (NSCLC) may curb disease progression dramatically when compared to NSCLC patients who only receive chemotherapy, according to a new randomized phase II clinical
trial reported today at the 59th Annual Meeting
of the American Society for Radiation Oncology (ASTRO).
The proposed clinical
trial, in which researchers would use CRISPR to engineer immune
cells to fight cancer, won approval from the Recombinant DNA Advisory Committee (RAC) at the U.S. National Institutes
of Health, a panel that has traditionally vetted the safety and ethics
of gene
therapy trials funded by the U.S. government and others.
ACT, which has almost gone under several times in recent years, may now be on the verge
of conducting the nation's first
trial of an embryonic stem
cell therapy, says Chief Scientific Officer Robert Lanza.
Most gene -
therapy trials use viruses to deliver genes to a patient's
cells, and most
of those viruses are retroviruses, which have the ability to neatly splice their genes — and the human gene they're carrying — into a
cell's chromosomes.
A clinical
trial in the Republic
of Korea for patients with degenerative eye diseases is the first to test the safety
of an embryonic stem
cell therapy for people
of Asian descent.
Graham looked to the Internet for treatment options and came across Duke University oncologist Keith Sullivan, who was comparing standard chemotherapy and stem
cell therapy as part
of a large - scale clinical
trial for scleroderma.
A panel
of top science administrators and stem
cell scientists met on Friday with Davide Vannoni, the president
of an Italian foundation providing highly controversial stem
cell treatments, in a first effort to hash out the details
of a government - sponsored clinical
trial of the
therapy.
Vanderbilt - led research, as part
of an international, multicenter
trial, found regular blood transfusion
therapy significantly reduces the recurrence
of silent strokes and strokes in children with sickle
cell anemia who have had pre-existing silent strokes, according to study results released today in the New England Journal
of Medicine (NEJM).
Results from a clinical
trial investigating a new T
cell receptor (TCR)
therapy that uses a person's own immune system to recognize and destroy cancer
cells demonstrated a clinical response in 80 percent
of multiple myeloma patients with advanced disease after undergoing autologous stem
cell transplants (ASCT).
Clinical
trials of nitric oxide
therapy to ease pain in sickle
cell patients have yielded conflicting results, with some patients reporting increased pain.
Over the past two years, investigators from the Perelman School
of Medicine at the University
of Pennsylvania have reported results from a human
trial in GBM using chimeric antigen receptor (CAR) T
cell therapy, through which patients» own T
cells were engineered to track down and kill cancer
cells that express a tumor - specific protein known as EGFRvIII.
Jonathan Appleby, GSK project leader for the ADA - SCID
trial and head
of cell and gene
therapy at the rare diseases unit, says there are many differences between working on this kind
of trial and working with one for a common disease.
Genetically modified «hunter» T
cells successfully migrated to and penetrated a deadly type
of brain tumor known as glioblastoma (GBM) in a clinical
trial of the new
therapy, but the
cells triggered an immunosuppressive tumor microenvironment and faced a complex mutational landscape that will need to be overcome to better treat this aggressive cancer, Penn Medicine researchers report in a new study this week in Science Translational Medicine.
Boston Children's Hospital has offered non-exclusive licenses to for - profit entities on a patent developed by Orkin's laboratory regarding BCL11A, a genetic switch regulating hemoglobin production that is expected to form the basis
of clinical
trials for gene
therapy and gene editing for sickle
cell disease and thalassemia.
If these preclinical studies are successful, the researchers plan to further develop their CAR T
cell therapy and test its safety and efficacy for different types
of metastatic cancer in upcoming clinical
trials.
In recent clinical
trials, CAR T
cell therapy has dramatically improved the outcomes
of blood cancer patients with advanced, otherwise untreatable forms
of leukemia and lymphoma.
The
trial, published in Circulation Research, was designed to test the feasibility and side effects
of a genetically - enhanced stem
cell therapy to repair and regenerate lung blood vessels in PAH.
Canadian researchers have published promising results
of the first clinical
trial in the world
of a genetically - enhanced stem
cell therapy for pulmonary arterial hypertension (PAH).
Dr. Stewart is also leading the first clinical
trial in the world
of a genetically - enhanced stem
cell therapy for heart attack.
A number
of research teams are putting other experimental stem
cell therapies through stringent clinical
trials.
After preclinical studies, a gene
therapy trial for SCID - X1 was initiated, based on the use
of complementary DNA containing a defective γc Moloney retrovirus — derived vector and ex vivo infection
of CD34 +
cells.
Past clinical
trials of stem
cell therapies for chronic stroke patients used
cells derived from tumors in humans and brain tissue from fetal pigs.
In contrast, the safety record
of hematopoietic stem
cell gene
therapy is less clear, with a significant frequency
of gene -
therapy induced oncogenesis or clonal outgrowth reported in several hematopoietic stem
cell trials [56], [57].
«RNAi
therapies are a unique approach to cancer treatment as they have the potential to «turn off» the genes» coding for proteins involved in cancer
cell division,» said Ramesh K. Ramanathan, M.D., medical director
of the Virginia G. Piper Cancer Center Clinical
Trials Program at Scottsdale Healthcare and deputy director
of the Clinical Translational Research Division
of the Translational Genomics Research Institute (TGen) in Phoenix, Ariz. «Using a lipid nanoparticle, the RNAi drug can be delivered to a cancer
cell to block the expression
of specific proteins involved in tumor growth.»
Given the ongoing adoptive
therapy trial of CD4 + T
cells treated with R5 - ZFNs and the anti-viral success
of the recent ccr5Δ32 bone marrow transplant in an HIV - infected patient [6], we sought to determine if cxcr4 could be genetically disrupted simultaneously with ccr5.
The vector is a self - inactivating lentivirus — a member
of a family
of viruses that can insert genes into mammalian
cells and drive expression
of those genes — that has been engineered to avoid triggering the development
of leukemia, a complication seen in previous gene
therapy trials for immunodeficiency syndromes, including WAS.
Updated results from a global clinical
trial of the CAR T -
cell therapy for ALL reveal that children and young adults continued to show high rates
of durable, complete remission.
Pr J.A. Sahel (chief
of the «Institut de la Vision» — Inserm, CNRS, Université Paris VI), a member
of the French Académie des Sciences, then presented a
cell therapy phase I clinical
trial project for retinitis pigmentosa developed in collaboration with I - Stem.