Bill Sardi See book keywords and concepts | Cancer vaccines
Will there ever be a cancer vaccine? The idea of a universal cancer vaccine that would immunize against all forms of cancer has certainly been toyed with for some time.
William B. Coley, a New York City surgeon in the early 1900s, used a vaccine that consisted of killed bacteria to prompt a tumor-killing response. It was the first reported attempt to boost immunity.
The idea of a cancer vaccine may not be clear to the public since vaccines are usually employed against viruses, such as influenza. | Bottom Line Health See book keywords and concepts | | Second Cervical cancer vaccine Is On the Horizon
Diane M. Harper, MD, MPH, professor of community and family medicine and obstetrics and gynecology, Dartmouth Medical School, Lebanon, NH.
Rachel Winer, PhD, research scientist, University of Washington, Seattle.
The Lancet.
Another cervical cancer vaccine—Cervarix, developed by GlaxoSmithKline—has demonstrated positive results in a recent trial. The vaccine was found to still be effective after nearly five years, and may protect women against more types of cancer-causing viruses than originally thought, researchers report. | Bill Sardi See book keywords and concepts | The idea of a universal cancer vaccine that would immunize against all forms of cancer has certainly been toyed with for some time.
William B. Coley, a New York City surgeon in the early 1900s, used a vaccine that consisted of killed bacteria to prompt a tumor-killing response. It was the first reported attempt to boost immunity.
The idea of a cancer vaccine may not be clear to the public since vaccines are usually employed against viruses, such as influenza. However, not all cancer emanates from viral infection, though it is thought that 15% of malignancies have a viral origin. | Bottom Line Health See book keywords and concepts | | For example, a patient who has been surgically treated for breast cancer may subsequently receive chemotherapy, hormonal therapy and'a cancer vaccine in a clinical trial to discover whether immunotherapy helps make the other two treatments more successful in preventing a recurrence. Many of these adjuvant studies are focused on melanoma, a deadly skin cancer, because it is thought to be more susceptible to the immune system's attack.
•How successful are cancer vaccines? | Bill Sardi See book keywords and concepts | New cancer vaccine ... 518
More misdirection ... 518
More false hopes ... 519
Will the fraudsters ever be punished? ... 520
Dysfunctional system ... 520
Politics and cancer... 521
Cancer myths ... 521
Does surgery spread or accelerate the growth of cancer? ... 521
Is there a cancer cure cover-up? ... 523
Does sugar cause cancer to grow? ... 524
Hair dye and cancer... 524
Do anti-perspirants cause cancer? ... 525
Is cancer contagious? ... 526
Do regular checkups detect all cancer in their early stage? ... 526
Does sunscreen use prevent skin cancer? ... | | However, not all cancer emanates from viral infection, though it is thought that 15% of malignancies have a viral origin. Some cancer vaccine technology seeks to make proteins within tumors antigenic (being able to induce an antibody response).
A vaccine against a major form of cancer is in the making. The papillomavirus is present in 99.7% of cervical cancer cases. Recently a papilloma vaccine was shown to prevent cervical abnormalities among a reported 100% of women. | Bottom Line Health See book keywords and concepts | | Studies show that 3% to 5% of solid tumors, such as those found in the lung, breast or prostate, shrink after using a cancer vaccine. In nonsolid, or hematological, cancers, such as leukemias and lymphomas, the response rate is slightly higher, because of the unique antigens in these types of cancers.
These success rates may sound low, but there's reason to be optimistic. Many studies report that a patient whose immune system is successfully activated by the vaccine either lives longer or experiences slower growth of the cancer than someone whose immune system is not successfully activated. | Shannon Brownlee See book keywords and concepts | Newsmagazines ran weekly reports on medicine under hopeful headlines:
1 U T l_ l\ I I \ 1— #~» I 1—
"Machine of Life," a story about dialysis, and "Hunt for cancer vaccine Closes In." Newsweek quoted U.S. Surgeon General Luther L. Terry, who predicted that by 198 c nine out of ten diseases would be eradicated and "spare parts for the human body . . . may seem almost commonplace." Television aired shows about heroic doctors, including Dr. Kildare, Ben Casey, and Marcus Welby M.D., which in 1969 was the nation's favorite program. | Bottom Line Health See book keywords and concepts | | Women's Health
Cervical cancer vaccine 100% Effective For Most Types
The US Food and Drug Administration (FDA) has approved the first vaccine that protects against the human papillomavirus (HPV), known to cause most cervical cancers. The vaccine, Merck & Co.'s Gardasil, was approved for girls and women ages nine to 26. The National Advisory Committee on Immunization Practices will now decide whether to include the vaccine in routine vaccination schedules. | | Rather, they use various methods to stimulate the cells of the immune system to attack cancer cells.
A cancer vaccine uses an antigen, a protein-based derivative from a tumor. Once inside the body, the antigen is taken up by dendritic cells, sentinel-like immune cells that break up the antigen and represent it in a form that T-cells can recognize. These T-cells are stimulated by the dendritic cells to then divide into large numbers and to acquire the capacity to recognize and destroy harmful tumor cells. | | Once a cervical cancer vaccine hits the market, young women in their late teens or early 20s would be the most likely candidates to receive it, she says.
The multistrain cross-protection that Cervarix offers is a bonus, Winer adds, and "worth investigating further" to find out the mechanism behind it.
For more information on cervical cancer, visit the National Cancer Institute at www. cancer.gov/cancerinfo/types/cervical.
Common Cervical Cancer Treatments Raise Risk of Problems in Pregnancy
Maria Kyrgiou, MD, department of obstetrics and gynecology, Royal Preston Hospital, London. | Andreas Moritz See book keywords and concepts | Being able to interfere with the body's natural design papillomavirus (HPV) cervical cancer vaccine Gardasil has raised serious questions about its effectiveness. Although Gardasil blocked almost 100 percent of infections by two strains of HPV, it only reduced the incidence of cervical cancer precursors by 17 percent. Gardasil may, by blocking only specific strains, allow other varieties of HPV to flourish. The vaccine's manufacturer, Merck, has said that the vaccine reduces the number of pre-cancerous lesions caused by HPV. | The Life Extension Editorial Staff See book keywords and concepts | Oncophage
An experimental pancreatic cancer vaccine is being tested by Antigenics. The vaccine is based on technology that uses heat shock proteins (HSPs). HSPs are naturally formed whenever a cell is stressed by things such as heat, cold, or glucose or oxygen deprivation. Most tumors release a constant flow of necrotic (dead) cells, exposing theit HSPs, which are bound to peptides, to the immune system. The HSP-peptide complex stimulates precisely targeted cytotoxic T-cells and nonspecific natural killer (NK) cells. | | So displeased with the mode of testing used in the cervical cancer vaccine study, cynics assert the rest of the study is rendered highly suspect.
At present, the Agold standard for diagnosis of HPV is detection of HPV DNA by polymerase chain reaction (PCR). According to Dr. E. Mordechai (Medical Diagnostics Laboratoties), PCR can provide an extremely accurate diagnosis of HPV subtypes, thereby determining the risk for cervical cancer (Mordechai 1999). Laura Koutsky and her colleagues employed the PCR-based method in their study. | | Reseatchets (University of California) suggest that hTRT has the potential to setve as a uni-versal cancer vaccine (Minev et al. 2000).
• Two pharmaceutical groups (Geron Corporation and Ribozyme Pharmaceuticals) have joined forces to elaborate GRN163, a short, modified oligonucleotide designed as a telomerase antagonist. A Geron Corporation spokesperson said that inhibiting telomerase represents a novel mechanism for the treatment of cancer with potentially broader utility and greater selectivity against cancet cells than currently available agents. | | A Negative Opinion on the Efficacy of Testing
In the midst of jubilation regarding an effective cervical cancer vaccine, various reporters and scientists are challenging the breakthrough. Dr. Howard Urnovitz, a scientist dealing in molecular issues and a regular contributor to redfiagsweekly.com, noted that initially 2392 women were enrolled in the Koutsky study; from those numbers, 36% were disqualified because of detectable HPV markers. Urnovitz states that women selected for the study showed robust natural immunity that kept them from expressing HPV markers. | Larry Trivieri, Jr. See book keywords and concepts | But it is already available and proving its worth outside our borders.The new approach seeks to stimulate the immune system to destroy cancer sites and cells. Researchers are attempting to create cancer vaccines through a number of techniques, experimenting with a variety of substances that stimulate different types of immune responses. Presently, the National Cancer Institute alone has 100 active cancer vaccine trials—15 of these are devoted to dendritic cell therapy. Dendritic cells (DCs) are a rare type of white blood cell, generally accounting for less than 0.2% of total blood cells. | The Life Extension Editorial Staff See book keywords and concepts | Note: Researchers from Cryoma Labs, (877) 604-4111, stress that if you are having brain cancer surgery or a biopsy, it is critical that brain tissue be stored for a future personalized cancer vaccine.
Cervical Cancer
Cervical cancer develops from the cells lining the cervix, i.e., the canal that connects the uterus to the vagina. There are approximately 500,000 new cases of cervical cancer worldwide per year and 300,000 deaths according to the World Health Organization. About 5000 cervical cancer deaths occur annually in the United States (SLU 1998; BBC News 1999). | Larry Trivieri, Jr. See book keywords and concepts | But it is already available and proving its worth outside the U.S. The new approach seeks to stimulate the immune system to destroy cancer sites and cells. Researchers are attempting to create cancer vaccines through a number of techniques, experimenting with a variety of substances that stimulate different types of immune responses.
Presently, the National Cancer Institute has 100 active cancer vaccine trials—15 of these are devoted to dendritic cell therapy. Dendritic cells (DCs) are a rare type of white blood cell, generally accounting for less than 0.2% of total blood cells. | The Life Extension Editorial Staff See book keywords and concepts | Three patients showed a complete disappearance of metastatic tumors following treatment with Cell Genesys' GVAX lung cancer vaccine. Another patient experienced a greater than 50% reduction in tumor volume, while four other patients were deemed stable (showing nonprogressive disease status) following treatment (UniSci 2001a). Note: Apart from lung cancer, Cell Genesys, (650) 425-4400, is also conducting clinical trials using GVAX vaccines in myeloma, prostate, and pancreatic cancers. | Michael Lerner See book keywords and concepts | We have already discussed the work of two other "greats" of the alternative pharmacological therapy world in previous chapters: the double Nobel prize winner Linus Pauling, whose claims for the effectiveness of vitamin C in cancer are well known, and the late Virginia Livingston, who believed she had developed a cancer vaccine. These six men and one woman would generally be regarded as among the great minds of contemporary alternative pharmacological cancer therapies. There are certainly other candidates for this list, but this is a representative sample. | Richard Leviton See book keywords and concepts | New Lung cancer vaccine May Double Survival Rates," Science News, (March 26, 1988).
Elfenbein, Debra, Editor. Living with Tricyclic Antidepressants, HarperSanFrancisco, San Francisco, 1996.
Emanuel, Ezekiel, J., "Politicizing Whooping Cough," The Wall Street Journal, (March 7, 1985).
Fackelmann, K.A., "Vaccine Confers Pertussis Protection," Science News, Vol. 136, (October 28, 1989).
Fauci, Anthony S., "Optimal Immunity to HIV—Natural Infection, Vaccination, or Both?" Journal of the American Medical Association, Vol. 266, No. 3, (June 13, 1991). | Ralph W. Moss, Ph.D. See book keywords and concepts | Omni,
*The drug industry is said to be "notorious for secrecy" (Dun's Review, December I974:55)- Nevertheless, the chairman of Merck acknowledged that his company was working on a cancer vaccine (ibid.).
July 1979). In 1975 it was estimated that interferon treatment for cancer costs $500-5,000 per patient per day, depending on the dosage given (International Workshop, 1975:12). It was hoped at the time that new techniques would bring this cost down five to tenfold within a few years. But one industry spokesman said the price was likely to be multiplied by three (ibid.:85). | | This optimistic appraisal of the chances for a cancer vaccine came not from Livingston or one of her colleagues but from an American Cancer Society press release (New York City Division, February 2, 1976). It would be ironic indeed if such a shot came not from a beneficiary of ACS funds, but from scientists long considered deluded and incompetent by the cancer establishment.
1996 Update: Dr. Livington died on June 30,1990. The 84-year-old physician was on a European tour with her daughter when she fell ill. She had recendy spoken at the Office of Technology Assessment meeting of March 9. | Larry Trivieri, Jr. See book keywords and concepts | Presently, the National Cancer Institute alone has 100 active cancer vaccine trials—15 of these are devoted to dendritic cell therapy. Dendritic cells (DCs) are a rare type of white blood cell, generally accounting for less than 0.2% of total blood cells. Dendritic cells were identified only in 1973, by Ralph Steinman, M.D., head of Rockefeller's Laboratory of Immunology and Cellular Physiology, and the late Zanvil Cohn.The critical role dendritic cells play in immunity wasn't appreciated until the early 1990s, when their use in immunotherapy studies first began appearing. | | Presently, the National Cancer Institute has 100 active cancer vaccine trials—15 of these are devoted to dendritic cell therapy. Dendritic cells (DCs) are a rare type of white blood cell, generally accounting for less than 0.2% of total blood cells. Dendritic cells were identified only in 1973, by Ralph Steinman, M.D., head of Rockefeller's Laboratory of Immunology and Cellular Physiology, and the late Zanvil Cohn. The critical role DCs play in immunity wasn't appreciated until the early 1990s, when their use in immunotherapy studies first began appearing. | Robert Hass, M.S. See book keywords and concepts | The vaccine is made from irradiated cancer cells obtained from other patients and is designed to direct the body's immune system to attack melanoma cells from the patient's own tumor. An oncologist at the institute also gave Judge Frost a new treatment that combines traditional chemotherapy with interleukin-2 and alpha-interferon, natural substances ordinarily made by the body that stimulate the immune system.
Judge Frost's Christmas gift arrived in early December 1996 when he returned to the cancer institute for follow-up testing. |
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