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MannKind Presents Safety and Efficacy Data on Inhaled Technosphere(R) Insulin at American Diabetes Association's 65th Scientific Sessions

- Glucose Lowering Effect Compares Favorably to Conventional Insulin Injections - - When Added to Oral Therapy, Patients Achieve Glucose Control With Fewer Excursions -

VALENCIA, Calif., June 14 /PRNewswire-FirstCall/ -- MannKind Corporation (Nasdaq: MNKD), focused on discovering, developing and commercializing treatments for diabetes and cancer, announced today additional findings from two separate studies of inhaled Technosphere(R) Insulin (TI), MannKind's lead product for the treatment of diabetes, during two oral presentations at the American Diabetes Association's 65th Scientific Sessions in San Diego, California.

"Our study indicated that Technosphere(R) Insulin can be used in conjunction with an oral diabetes medication with less risk that the combination could cause an excursion from glucose control, such as hypoglycemia, commonly associated with regular subcutaneous insulin. A second study demonstrated the reliability of absorption and effect of Technosphere(R) Insulin," stated Hakan Edstrom, President and Chief Operating Officer of MannKind Corporation. "We expect that many patients will prefer to receive insulin by inhalation, rather than by subcutaneous injection."

    1. Presentation No. 357-OR: "A Randomized, Double-blind, Placebo Controlled Study of the Efficacy and Safety of Inhaled Technosphere(R) Insulin in Patients with Type 2 Diabetes (T2DM)."

    This was a randomized, double-blind, placebo controlled study of the efficacy and safety of inhaled Technosphere(R) Insulin in patients with type 2 diabetes. The study confirmed that the postprandial glucose control was significantly improved when TI was added to oral therapy. A mean reduction in total glucose excursions of about 50% was seen, together with a reduction of maximum postprandial glucose increase of about 30 mg/dl. Postprandial excursions are part of the glucose burden in diabetes, but there is increasing evidence that these excursions are an independent risk factor as well. The reduction in postprandial glucose excursions was reflected in a significant reduction in HbA1c, which is a measure of the average amount of blood sugar over the last two to three months.

    2. Presentation No. 358-OR: "The Variability and Time-Action Profile of Inhaled Technosphere(R)/Insulin Compares Favorably to that of Subcutaneous Human Regular Insulin."

    It is important for patients with diabetes to have tight glucose control prior to, during and following a meal so as to avoid serious complications of diabetes like blindness and irreversible damage to the kidneys and nerves. This study found that the variability of insulin absorption and glucose lowering effect of repeated inhalations of TI compares favorably to regular subcutaneous insulin during the first three hours of dosing.

About MannKind Corporation

MannKind (Nasdaq: MNKD) focuses on the discovery, development and commercialization of therapeutic products for diseases such as diabetes and cancer. The Company is currently in Phase 3 clinical trials of its lead product, the Technosphere(R) Insulin System, in Europe to study its potential for the treatment of diabetes. MannKind plans to begin the first U.S. Phase 3 long-term safety study of Technosphere(R) Insulin in type 1 and type 2 patients this year. This System consists of a proprietary dry powder Technosphere(R) formulation of insulin that is inhaled into the deep lung using the Company's MedTone(R) inhaler. MannKind believes that the performance characteristics, unique kinetics, convenience and ease of use of the Technosphere(R) Insulin System may have the potential to change the way diabetes is treated. For more information on MannKind Corporation and its technology, visit www.mannkindcorp.com.

Forward-Looking Statements

This press release contains forward-looking statements, including statements related to MannKind's clinical trials and product candidates, that involve risks and uncertainties. Words such as "believes", "anticipates", "plans", "expects", "intend", "will", "goal", "potential" and similar expressions are intended to identify forward-looking statements. These forward-looking statements are based upon the Company's current expectations. Actual results and the timing of events could differ materially from those anticipated in such forward-looking statements as a result of these risks and uncertainties, which include, without limitation, risks related to the progress, timing and results of clinical trials, intellectual property matters, difficulties or delays in seeking or obtaining regulatory approval, manufacturing the Company's lead product candidate, competition from other pharmaceutical or biotechnology companies, the Company's ability to enter into any collaborations or strategic partnerships or obtain additional financing to support the Company's operations, the Company's ability to meet milestones and other risks detailed in MannKind's filings with the SEC, including the Annual Report on 10-K for the year ended December 31, 2004 and periodic reports on Form 10-Q and Form 8-K. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. All forward-looking statements are qualified in their entirety by this cautionary statement, and MannKind undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date of this news release.

SOURCE MannKind Corporation
06/14/2005
CONTACT: Hakan Edstrom, President and Chief Operating Officer of MannKind Corporation, +1-661-775-5360, hedstrom@mannkindcorp.com
Web site: http://www.mannkindcorp.com