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Questions and Answers About the Gonzalez Regimen
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What is the Gonzalez regimen?
The Gonzalez regimen is a complex treatment plan based on the role of enzymes, vitamins, minerals, and other dietary factors. The developer of the regimen, Dr. Nicholas Gonzalez, promotes it as a treatment for advanced pancreatic cancer. Supporters of the Gonzalez regimen say it fights cancer in these ways:
Some key parts of the regimen include the following:
- Taking a freeze-dried pancreatic enzyme that is made from pigs. This is said to be the main cancer-fighter in the regimen.
- Taking a large number of nutritional supplements, including magnesium citrate, papaya, vitamins, and other minerals.
- Eating a special diet of mainly organic foods.
- Taking coffee enemas twice a day.
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What is the history of the discovery and use of the Gonzalez regimen as a complementary and alternative treatment for cancer?
In 1902, James Beard, a Scottish physician, suggested that pancreatic enzymes might control and kill cancer cells. Later, William Kelley, a dentist, further developed Dr. Beard’s ideas and published the results of his own practice. Impressed by these findings, Dr. Gonzalez began working closely with Dr. Kelley. The Gonzalez regimen combines the work of Dr. Gonzalez and Dr. Kelley with the theories and practice of Dr. Max Gerson. Dr. Gerson also treated cancer with diet and nutritional supplements.
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What is the theory behind the claim that the Gonzalez regimen is useful in treating cancer?
Supporters of the Gonzalez regimen believe that toxins (harmful substances) in the environment and in processed foods cause cancer to form in the body. These toxins are said to build up in tissues of the body, preventing important body processes from working correctly and letting cancer develop. The theory is that if these toxins could be destroyed and removed from the body, cancer would stop growing.
The pancreas secretes enzymes, proteins that help digest food. The Gonzalez regimen is based on the theory that pancreatic enzymes also help the body get rid of toxins that lead to cancer. The coffee enemas are added because they are believed to improve the liver’s ability to remove toxins from the body
The diets used in the Gonzalez regimen are planned for each patient’s metabolic type. Metabolic typing is a theory that people fall into one of three groups based on the main type of food (protein, carb, or mixed) that their bodies need to stay healthy. The developer uses certain tests, including looking at the patient’s hair under a microscope, to decide a patient’s metabolic type. The theory is that a diet that is correct for the patient’s metabolic type will keep the body healthy and better able to prevent or fight cancer.
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How is the Gonzalez regimen administered?
The pancreatic enzyme is taken by mouth, in a capsule. Between 130 and 160 doses of other nutritional supplements are taken by mouth each day. The patients also eat a special diet and have coffee enemas twice a day.
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Have any preclinical (laboratory or animal) studies been conducted using the Gonzalez regimen?
Research in a laboratory or using animals is done to find out if a drug, procedure, or treatment is likely to be useful in humans. These preclinical studies are done before any testing in humans is begun. Animal studies of the Gonzalez regimen looked at the effect of pancreatic enzymes in cancer treatment, but did not study the regimen as a whole. There has been preclinical testing on the effects of pancreatic enzymes in several cancers:
- In 1999, an animal study tested the effect of different doses of pancreatic enzymes taken by mouth on the growth and metastasis (spread) of breast cancer in rats. Some of the rats received magnesium citrate in addition to the enzymes. Rats receiving the enzymes were compared to rats that did not receive the enzymes.
- Results showed that the enzyme did not affect growth of the primary tumor (where the cancer started).
- The cancer spread to the most places in the rats that received the highest dose of enzymes.
- The cancer spread to the fewest places in the rats that received the lowest dose of enzymes plus magnesium citrate.
- Another animal study looked at the effects of pancreatic enzymes on survival rates and tumor growth in rats with pancreatic cancer. Rats receiving the enzyme treatment lived longer, had smaller tumors and fewer signs of disease, and were more active than the rats in the control group, which did not receive the enzyme.
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Have any clinical trials (research studies with people) of the Gonzalez regimen been conducted?
Nicholas Gonzalez, a New York physician, first studied his regimen in 11 patients who had advanced pancreatic cancer. In 1993, he reported selected results of the study to the National Cancer Institute (NCI). Patients treated with the Gonzalez regimen lived an average of 17½ months, which is longer than usual for patients with this disease. Most patients with advanced pancreatic cancer live less than a year.
Because of the small number of patients in the study, and for other reasons, the NCI and the Office of Alternative Medicine (OAM) decided that the results were not clear and prospective studies were encouraged. In prospective studies, patients are followed forward in time. The National Center for Complementary and Alternative Medicine (NCCAM) sponsored a second study with a much larger number of patients. This was a 7-year clinical study that included patients who had stage II, stage III, or stage IV pancreatic cancer that could not be removed by surgery.
In the NCCAM study, one group of patients followed the Gonzalez regimen while another group was given standard treatment (chemotherapy). Results in the two groups will be compared to see if the Gonzalez regimen works better than the standard treatment, and if it has bad side effects. The results of the study have not yet been reported.
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Have any side effects or risks been reported from the Gonzalez regimen?
The reported side effects of treatment with the Gonzalez regimen are the following:
There is no information on the side effects of the coffee enemas taken twice a day. Taking too many enemas of any kind can cause changes in normal blood chemistry, chemicals that occur naturally in the body and keep the muscles, heart, and other organs working properly.
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Is the Gonzalez regimen approved by the US Food and Drug Administration (FDA) for use as a cancer treatment in the United States?
The FDA has not approved the Gonzalez regimen as a cancer treatment.
Pancreatic cancer is usually not found early enough to be cured. Most pancreatic cancer patients live for 5 years or less. Patients with advanced pancreatic cancer usually live for less than 1 year. Patients with any stage of pancreatic cancer may want to think about taking part in a clinical trial.
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