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.
WOMEN with cystic fibrosis are to join British
gene therapy trials for the first time.
AAV1 is considered safe as a viral vector and is already in use in human
gene therapy trials for blindness, heart disease, muscular dystrophy and other conditions.
IN TWO months» time, a group of profoundly deaf people could be able to hear again, thanks to the world's first
gene therapy trial for deafness.
(In the early 2000s, five children who participated in a retrovirus - based
gene therapy trial for severe combined immunodeficiency developed leukemia.)
Researchers say they see promising results from the first
gene therapy trial for Alzheimer's disease.
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.
The «transformational» results have particular significance as the first successful
gene therapy trial for the haemophilia A.
Researchers reported promising preliminary outcomes for the first four children enrolled in a U.S.
gene therapy trial for Wiskott - Aldrich syndrome (WAS), a life - threatening genetic blood and immune disorder, at the 57th annual meeting of the American Society of Hematology.
Not exact matches
While it takes time
for gene therapies to be tested,
trialed, and possibly approved by the FDA, genetics startups like Spark, AveXis, Caribou Biosciences, Editas, and Audentes have been on the road a while.
Katherine High, Spark's president and chief scientific officer, expressed her enthusiasm
for the early clinical data related to SPK - 8011: «The encouraging start of our SPK - 8011 clinical
trial reinforces the strength of our
gene therapy platform, delivers human proof - of - concept in a second liver - mediated disease — a significant achievement in the
gene therapy field — and positions us well to potentially transform the current treatment approach
for this life - altering disease with a one - time intervention.»
He and his lab,
for example, along with the company Neurologix based in Fort Lee, N.J., are conducting a clinical
trial to test a similar
gene -
therapy treatment
for Parkinson's disease.
These allusions to the past aren't surprising considering how drastically the clinical
trial changed
gene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took pl
gene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took
therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute
for Human
Gene Therapy, where the test took pl
Gene Therapy, where the test took
Therapy, where the test took place.
«My team at Nationwide Children's has worked with commitment and dedication to develop a
therapy that may subsequently be shown through future clinical trials to potentially alter the course of this unforgiving condition and provide a therapeutic option for the families and infants with SMA1,» says Jerry Mendell, MD, principal investigator in the Center for Gene Therapy at Nationwide Chil
therapy that may subsequently be shown through future clinical
trials to potentially alter the course of this unforgiving condition and provide a therapeutic option
for the families and infants with SMA1,» says Jerry Mendell, MD, principal investigator in the Center
for Gene Therapy at Nationwide Chil
Therapy at Nationwide Children's.
Although
gene therapy research has made great strides in recent years, it has yet to be widely deployed, and no CRISPR - edited
genes have yet been tested
for safety or efficacy in human clinical
trials.
AAV is in use in many late - stage clinical
trials in the United States, and has already been approved
for use in one
gene therapy drug in the European Union.
This study represents a significant step towards the development of clinical
trials in
gene therapy for the curative treatment of hereditary deafness and balance loss in humans.
AveXis, Inc., a clinical - stage
gene therapy company developing treatments for patients suffering from rare and life - threatening neurological genetic diseases, announced in July 2016 that the U.S. Food and Drug Administration (FDA) granted Breakthrough Therapy Designation for the treatment based on preliminary clinical results from the trial of AVXS
therapy company developing treatments
for patients suffering from rare and life - threatening neurological genetic diseases, announced in July 2016 that the U.S. Food and Drug Administration (FDA) granted Breakthrough
Therapy Designation for the treatment based on preliminary clinical results from the trial of AVXS
Therapy Designation
for the treatment based on preliminary clinical results from the
trial of AVXS - 101.
Human
trials are even costlier, so
for now, Sweeney says, IGF - 1 and myostatin
gene therapies remain on the distant horizon.
The
trial he conducted tested the safety of a
therapy for ornithine transcarbamylase (OTC) deficiency, a rare disorder in which the liver lacks a functional copy of the OTC
gene.
The Food and Drug Administration immediately terminated all
gene therapy trials there, and the incident prompted federal regulators to establish new rules
for human
gene therapy research.
«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 Aubourg and his team have showed in a preliminary
trial that
gene therapy stopped ALD in two boys
for whom they could not find matching bone marrow donors.
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.
Regulators in the US could soon be asked to approve a human
trial of
gene therapy for cystic fibrosis that uses a hybrid of the HIV and Ebola viruses.
«Our
gene therapy protocol is not yet ready
for clinical
trials — we need to tweak it a bit more — but in the not - too - distant future we think it could be developed
for therapeutic use in humans,» says Jeffrey Holt, PhD, a scientist in the Department of Otolaryngology and F.M. Kirby Neurobiology Center at Boston Children's and an associate professor of Otolaryngology at Harvard Medical School.
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..
Some on the panel suggested they were particularly sensitive about such concerns given that it was at UPenn in 1999 that a young man, Jessie Gelsinger, died in a
gene therapy trial, setting the field back
for years.
Gene therapy death The Food and Drug Administration stopped a gene therapy trial this week after a patient undergoing the experimental treatment for a severe form of arthritis had a fatal react
Gene therapy death The Food and Drug Administration stopped a
gene therapy trial this week after a patient undergoing the experimental treatment for a severe form of arthritis had a fatal react
gene therapy trial this week after a patient undergoing the experimental treatment
for a severe form of arthritis had a fatal reaction.
«First
trial of
gene therapy for cystic fibrosis to show beneficial effect on lung function.»
A
therapy that replaces the faulty
gene responsible
for cystic fibrosis in patients» lungs has produced encouraging results in a major UK
trial.
(Adeno - associated virus or AAV has been approved in Europe as a vector
for gene therapy, and is being explored in the United States
for clinical
trials.)
The team envisions that in the future, deaf people might benefit from
gene therapy similar to the approaches currently being tested in clinical
trials for other diseases.
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.
Although several experimental
trials of
gene therapy are under way, some of them
for more than a decade, uniQure is the first in the West to win regulatory approval
for a commercial treatment.
As a new generation of
gene therapy clinical
trials shows promise to cure or halt the progression of several rare diseases, the time has come to explore ways to pay
for the cutting edge treatments, a pediatric hematologist - oncologist from Dana - Farber / Boston Children's Cancer and Blood Disorders Center argues in a commentary published by the journal Science.
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.
The LCA2
trials are a rare success
for the field of
gene therapy, which has also cured children with the immune disorder known as bubble boy disease.
As
for worries about harmful effects, researchers say AAV8 isn't likely to disrupt healthy
genes, a side effect that stalled a promising
gene -
therapy trial for an immune - deficiency disorder in 2002.
Woo and Ledley predict that clinical
trials using
gene therapy for metabolic disorders such as PKU could start within eight years.
His story inspired a book, The Forever Fix, which heralded the LCA
trials as part of the wave of successes
for gene therapy, which was recovering from several setbacks — including the death of a patient and cancer in others — in the late 1990s and early 2000s.
Although the study's approach wasn't a sure bet, the researchers hoped to go further than any other
gene therapy trial yet
for this relatively common inherited disease that fills people's lungs with sticky mucus that promotes deadly infections.
Nonetheless, the result has renewed concern about the oversight of clinical
trials for gene therapy.
«It is a tough calculus, but
gene therapy for CF lung disease is still a realistic possibility and studies should be encouraged — especially well - done ones like the U.K.
trial.
A «cure»
for haemophilia is one step closer, following results published in the New England Journal of Medcine of a groundbreaking
gene therapy trial led by the NHS in London.
These are skills that we implement
for other international
trials of
gene therapy for rare genetic diseases of the immune system, blood, muscle, vision or liver... We will continue the current study with the objective of providing treatment
for patients.»
However, questions about the design and ethics of the
trial have cast a negative light on the field, particularly
gene therapy for non-life-threatening diseases.
For very rare diseases such as WAS, multicenter clinical
trials are the only effective way of proving the safety and efficacy of
gene therapy and having it rapidly approuved and made available to all patients.
And the participants will be monitored
for 15 years
for health impacts, as is required by the FDA
for any
gene -
therapy trials.
Other blood disorders that have shown significant benefit from targeted
gene therapy in small
trials include hemophilia (specifically, factor IX deficiency), severe beta - thalassemia (deficiency
for the adult beta - globin
gene) and leukemia, where the patient's immune cells were treated to enable them to recognize cancer cells and destroy them.