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FROM:   AScribe Newswire
December 21, 2001 Friday

HEADLINE: Guidelines for Neural Repair Studies in Humans Published in
Cell Transplantation; Ethical, Rigorous Research the Goal

" TAMPA, Fla., Dec. 21 [AScribe Newswire] -- Promoting ethical and
rigorous
research on investigational treatments for brain repair is the focus of
new
recommendations published by the American Society for Neural
Transplantation and
Repair [ASNTR].

   The "Considerations and Guidelines for Studies of Human Subjects" will
be
published Dec. 24 in the journal Cell Transplantation. Lead authors were
Eugene
Redmond Jr., MD, chair of the ASNTR Practice Committee and director of
Neural
Transplantation and Repair at Yale University School of Medicine, and
Thomas
Freeman, MD, co-chair of the Practice Committee and director of the
Neural
Reconstruction Program at the University of South Florida College of
Medicine
and Tampa General Hospital.

   The guidelines were endorsed by the society's full membership, which
includes
most of the world's researchers working on applications of fetal tissue,
stem
cells and gene therapy for brain repair.

   "Inadequate preliminary data or study design flaws have sometimes set
the
field back -- we hope these guidelines help investigators 'get it right'
the
first time," said Dr. Redmond.

   "Clinicians are beginning to have the capability to modify the nervous
system
through cell therapy, transplants, gene therapy and the advancing
developments
of stem cell therapies," Dr. Freeman said. "Our goal is to make sure
these new
treatments are developed in a scientifically rigorous fashion and in a
manner as
safe as possible for patients."

   The explosion of neuroscience research in recent years has led to the
growth
of novel, investigational cell and gene replacement therapies for
Alzheimer's
disease, Parkinson's disease, stroke and other brain disorders.  At the
same
time, researchers have been criticized by other scientists and the public
who
argue that some therapies put patients at disproportionate risk because
they
have been rushed to clinical trials without sufficient preclinical
findings of
safety and effectiveness.

   The ASNTR recommendations support existing federal regulations while
addressing new concerns associated with neural transplantation and
repair,
including:

   -- Duration and type of preliminary studies [laboratory and/or animal
studies] required before it is ethical and appropriate to study a
treatment in
human beings

   -- Design of clinical studies for cellular treatments and for gene
therapy.
For example, the authors write, a gene therapy study for a fatal disease
with no
treatments might be ethically acceptable with more unknowns and possible
toxicity than a similar study for a nonfatal condition with treatments
available.

   -- Use of control groups, which might include "sham" surgery or
"imitation
operations" to control bias.

   -- Medication management that balances patient safety with optimizing
study
of a new treatment's outcome.

   -- Conflicts of interest. The authors recommend investigators fully
disclose
ownership of patent interests, large stock or stock options, paid
consultant
positions, or membership in scientific advisory boards of companies that
might
benefit from a study.

   -- Appropriate publication of results.

   The authors hope the recommendations will carry weight with local
Institutional Review Boards that oversee clinical studies, Dr. Redmond
said,
making it more difficult for unethical or hurried researchers or
companies to
potentially harm patients enrolled in trials."

CONTACT:
Anne DeLotto Baier, University of South Florida Health
Sciences Public Affairs Office, 813-974-3300

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