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AMDL Receives U.S. Patent for its Immunogene Therapy for Cancer TUSTIN, Calif., May 25 /PRNewswire-FirstCall/ -- AMDL, Inc. , developer and marketer of tests for the early detection of cancer and other serious diseases, which recently announced it launched a major effort to seek a strategic partner for clinical trials, and eventual marketing, of its unique Combination Immunogene Therapy (CIT), today said the technology has received a United States Patent. CIT uses two genes in combination to build the body's immune system and to destroy cancer cells. The GM-CSF gene alters the tumor to activate tumor-specific T-cells within the immune system, while the B7-2 gene enters the tumor to stimulate larger and stronger T-cells to fight the cancer. This is a variation of the traditional concept of gene therapy, which seeks to replace damaged or abnormal genes with healthy ones. Replacing defective genes in cancer cells has proven impractical because of the number of genes involved. CIT has undergone successful Phase I clinical trials in skin and brain cancer patients and was shown to be 100 percent effective in a humanized mouse model at the University of Alberta, Canada. Publications that have reported on this therapy include "Human Gene Therapy" and "Neurosurgery." "The search is on to find potential treatments in the multi-billion dollar global cancer market and we believe our therapy has significant, important features to offer," said Gary Dreher, AMDL President and CEO. AMDL is a theranostics company, meaning it is involved both in the treatment of cancer, with the CIT therapy, and in its detection, with the DR-70(R) cancer blood test kit. The Company currently is supplying information requested by the U.S. Food and Drug Administration as part of the process in seeking clearance to market the DR-70(R) test. About AMDL AMDL, Inc. (AMEX:ADL), headquartered in Tustin, California, is a theranostics company, involved in the detection and treatment of the same disease, cancer. AMDL is the inventor, developer and worldwide marketer through exclusive distribution agreements of the DR-70(R) non-invasive cancer blood test, which has demonstrated its ability to detect the presence in humans of up to 13 cancers 84 percent of the time overall. In a study published in the Journal of Immunoassay (1998, vol. 19, pp 63-72) DR-70(R) was shown to detect at least 13 different types of cancer (lung, breast, stomach, liver, colon, rectal, ovarian, esophageal, cervical, trophoblastic, thyroid, malignant lymphoma, pancreatic) although the sample size for 9 of the cancers was not statistically significant. Clinical trials of DR-70(R) have been conducted in Canada, China, Germany, Taiwan and Turkey. DR-70(R) can detect many kinds of cancer using a single tube of blood, eliminating the need for costly, multiple tests. AMDL also owns a combination immunogene therapy technology that is a possible treatment for those already diagnosed with cancer and could eventually be used as a vaccine to protect patients known to be at risk because of a family history for certain types of cancer. The combination therapy both builds the body's immune system and destroys cancer cells. More information about AMDL and its additional products can be obtained at http://www.amdlcorporate.com/. Forward-Looking Statements Statements in this press release may constitute forward-looking statements and are subject to numerous risks and uncertainties, including the failure to complete successfully the development of new or enhanced products, the Company's future capital needs, the lack of market demand for any new or enhanced products the Company may develop, any actions by the Company's partners that may be adverse to the Company, the success of competitive products, other economic factors affecting the Company and its markets, and other risks detailed from time to time in the Company's filings with the Securities and Exchange Commission. The actual results may differ materially from those contained in this press release. The Company disclaims any obligation to update any statements in this press release. DATASOURCE: AMDL, Inc. CONTACT: Gary L. Dreher, President & CEO of AMDL, Inc., +1-714-505-4460 Web site: http://www.amdlcorporate.com/

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