Witness Testimony
Mr. Hal Barron M.D.
Chief Medical Officer Genentech 1 DNA Way
South San Francisco, CA, 94080
NIH: Re-engineering Clinical Research.
Subcommittee on Health
March 25, 2004
10:00 AM
Good morning, Mr. Chairman, and thank you for the opportunity to testify
before the Subcommittee on the most important issue of clinical trials. My name
is Dr. Hal Barron. I am Chief Medical Officer for Genentech, one of the nation's
leading biotechnology companies headquartered in South San Francisco,
California. As you are no doubt aware, Genentech was founded in 1976 by Herb
Boyer and Bob Swanson, and has the unique distinction of being the very first
biotech company. Since 1976, a robust and productive industry has grown from the
foresight, innovation and risk-taking of Dr. Boyer and Mr. Swanson. Genentech
alone has discovered, developed and currently manufacture 13 therapies targeted
at such unmet medical needs as cardiovascular disease, Cystic Fibrosis and
cancer. Last month, the Food and Drug Administration (FDA) approved Avastin, a
groundbreaking therapy that reduces blood supply to tumors. This product was
approved for the treatment of colorectal cancer and we are in the process of
studying whether the drug is active in a number of different cancers.
Ours is a terrific - and unusual - success story. We are a soup-to-nuts
company, doing everything from basic research to clinical development to
manufacturing to marketing. My written testimony describes for you in detail the
myriad steps and challenges present in the discovery, development and
manufacturing of breakthrough biologics. My presentation today will focus on one
critical piece of the development process absolutely essential to our success -
the clinical trials we conduct with our patients. I am delighted to have the
chance to discuss with you Genentech's rich experience in drug discovery and
development, our experience with clinical trials, and our valuable interactions
with the National Institutes of Health (NIH). Also for your edification, I have
attached a presentation that provides comprehensive review of our development
organization.
Genentech has one of the biotechnology industry's most extensive track record
in all phases of bringing new disease treatments to patients - from discovery
research through development, commercialization and product operations. With 13
protein-based products on the market for serious or life-threatening medical
conditions, Genentech has experience taking a drug from A to Z, transforming the
seed of an idea in a lab into a novel therapy for a patient in need. Such a
fully integrated approach differentiates Genentech from many other biotechnology
companies. Although I won't be focusing on how we partner with other
biotech/pharmaceutical companies, Genentech has worked closely with such
companies as Xoma, Novartis, OSI pharmaceutical, Amgen, and Roche
Discovery Research
Research is the wellspring of potential products, and Genentech's research
organization is among the worlds finest. Genentech scientists are the most
prolific in the biotechnology industry, publishing at a rate of 250 to 300
scientific papers a year, and are among the top one percent of researchers in
the world in terms of total citations. In addition, Genentech's scientists have
secured more than 4,300 patents worldwide and have another 5,000 pending.
Discovery research at Genentech focuses primarily on three areas of medicine
where there is a strong need for safer, more efficacious therapies: oncology,
immunology and vascular biology. In addition, Genentech remains open to other
projects where the company has significant opportunities to fill a therapeutic
void in important areas of medicine. To ensure continued scientific excellence,
Genentech opened the Founders Research center, a 275,000 square-foot, $85
million research facility devoted solely to biotechnology, in October 1992. It
was dedicated to Bob Swanson and Dr. Herbert Boyer in honor of their pursuit of
the promise of biotechnology when they established Genentech 28 years ago in
1976.
In April 2001, the company celebrated its 25th anniversary by breaking ground
on the 280,000 square foot expansion of the Founders Research Center. The
complex - comprising the existing facility and the new expansion - is the single
largest biotechnology research facility in the world, with more than 500,000
square feet of research space containing specialized laboratories and
state-of-the-science equipment in several interconnected buildings.
Clinical Development
Genentech uses a rigorous set of criteria, including scientific factors,
medical need and market potential, to determine which projects to move from
discovery research into development. The physicians, scientists and medical
professionals in Development play the essential role of translating basic
science into patient benefit. They help Genentech determine which potential new
drugs are tested against specific diseases in the clinic and determine how the
chosen drug candidates should move through the many phases of clinical testing.
Since these therapeutic proteins must be delivered into the body safely, and
their effectiveness must be measured and documented in order to secure marketing
approval. These scientists leverage their expertise in clinical medicine,
clinical study design, epidemiology, bio-statistics and health care economics to
design these trials. They incorporate some of the newest technologies such as
molecular diagnostics, imaging studies (such as CT and MRI scans) as well as
novel biomarkers into these trials as well.
Genentech's development pipeline has both breadth and depth, with projects
targeting a range of disease areas across all phases of clinical development.
This very broad pipeline requires leadership from the best experts. Our MDs and
PhDs come from many prestigious academic institutions such as Harvard, Yale,
Stanford, University of California, San Francisco (UCSF) and many other top
institutions.
Commercialization
Commercial translates research and development innovations into changes in
medical practice that enhance and extend patients' lives. The Commercial team
introduces multiple products into new and different markets, directs pre-launch
commercial development activities, and utilizes cutting-edge sales approaches.
The Commercial organization is also involved with development activities that
bring forward products in the pipeline in the most efficient way to meet the
demands of the market and the healthcare community - directing market research,
sponsoring medical education efforts, and developing a leading patient
reimbursement program. The Commercial team's unique consultative education,
sales, marketing, and distribution models have resulted in 13 successfully
marketed products to date and have made Genentech a valuable and sought-after
partner.
Product Operations
Biotech's rich promise is only truly fulfilled when its scientific
breakthroughs are transformed into safe, effective therapies and made available
in quantities sufficient to treat all those in need. This extremely complex and
demanding task is the responsibility of various product operations groups in the
company, including Process Sciences, Engineering, Quality and Manufacturing.
Process Sciences
At Genentech, the transition from laboratory production to full-scale
manufacturing is the work of the Process Sciences group. This group is made up
of five divisions: Cell Culture & Fermentation R&D, Recovery Sciences,
Analytical Chemistry, Pharmaceutical R&D, and Manufacturing Sciences. The
Cell Culture group grows increasingly larger and more efficient cultures of
cells that produce the desired protein. Recovery Science extracts and purifies
the protein molecules from the cell cultures, with the goal of both high yield
and high purity. Analytical Chemistry is the function that checks to ensure the
purified protein is the right one, and that it is active and able to be made
into a medicine. And Pharmaceutical R&D determines the formulation-or
recipe-for the final medicine, how it should be administered and its packaging.
Finally, Genentech's Process Sciences group works closely with the FDA to ensure
an approved manufacturing process is in place and pure product is available to
patients upon approval of new pharmaceuticals.
Quality
The Quality group is comprised of two main areas: Quality Control, which
executes the many different procedures for testing Genentech's products; and
Quality Assurance, which evaluates all documentation to determine whether each
procedure was completed correctly. Genentech strictly adheres to federal
requirements for quality and collaborates with the FDA to ensure its processes
are of the highest standards. Every medicine that leaves Genentech has been
subjected to stringent standards and procedures to ensure its quality and
purity.
Manufacturing
Genentech was the first biotechnology company to scale up protein
manufacturing successfully from the small quantities used for research to the
much larger quantities needed for clinical trials and marketing. With
state-of-the-art facilities in the United States and Europe, the company
continues to be a world leader in the manufacture of human bio-therapeutics,
processing approximately three million liters of product annually for clinical
research and the marketplace through a variety of fermentation and proprietary
purification processes.
In 1998, Genentech completed its second manufacturing facility in Vacaville,
California. The largest multi-product biotechnology manufacturing facility in
the world, the Vacaville plant occupies 420,000 square feet on 100 acres. It
became operational in 1999 and received FDA licensure in April 2000. Also in
April 2000, Genentech further expanded its manufacturing capacity with the
purchase of a cell culture manufacturing facility in Porriņo, Spain. When
renovated and licensed, the facility will supplement Genentech's existing bulk
cell culture production capacity.
The NIH and Drug Discovery and Development
It is these many complex and interrelated steps that explain why the vast
majority of drugs approved for patients have been discovered and developed by
companies like Genentech. As a research-intensive company, we learn a great deal
from the basic research conducted by the NIH. The NIH performs this function
extremely well and we support and appreciate the continued increases in funding
you have given the NIH over the past several years. In addition, we partner with
the NIH on clinical trials particularly in areas outside our area of expertise
or where trials could not be conducted without NIH support. This collaboration
is extremely important as Genentech or any company for that matter, cannot do
everything alone and we greatly benefit from the expertise of the NIH and
academia in general.
The opportunities for industry/government collaboration have been fruitful
and could be even more substantial. One area in which the NIH is particularly
well suited to make important advances is that of molecular diagnostics and
discovery of novel "bio-markers"- markers that identify which patients
with a given disease have the worst prognosis. Advances in identifying
biomarkers presents a real opportunity to benefit patients at a much faster pace
than today's R&D efforts, and is an area that could enable industry to be
more successful in their endeavors to bring targeted therapeutics to market.
In addition, there is an opportunity for industry to work with the NIH in
developing drugs for indications that the company decides not to pursue. It is
clear that a company such as Genentech cannot design and implement all the
necessary clinical trials to maximize the benefit of their new therapeutics.
Thus, certain patient populations may not always be examined. Whether it is
because the trials will take too long, represent too small a population or fall
outside a company's focus area, providing the NIH access to our novel
therapeutics can and has been invaluable. We hope such activities continue to be
funded as they have the opportunity to make a significant difference in patient
care.
I hope that this presentation has given you a better understanding of the
processes and challenges we face in bringing new, breakthrough biologic to
market for patients. I hope you also have a better understanding of the
relationship between the NIH and private industry. We look forward to exploring
these and other partnership opportunities with Dr. Zerhouni and this
Subcommittee. Thank you again, Mr. Chairman, for this opportunity to testify
before you and the Subcommittee. I am happy to answer any questions you may
have.
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