October 31, 2000

Neurochem files for Orphan Medicinal product designation in Europe for Fibrillex™

Neurochem Inc. (TSX : NRM) has filed for "Orphan Medicinal Product" (OMP) designation with the European Agency for the Evaluation of Medicinal Products (EMEA) for Fibrillex™, a drug under development for the treatment of patients suffering from Secondary Amyloidosis. The OMP designation in Europe typically allows a 10-year market exclusivity in the 15 Member States of the European Community

"Neurochem has achieved several important milestones in the drug development process for Fibrillex™," said Dr. Louis R. Lamontagne, Neurochem's President and CEO. "This filing for Orphan Medicinal Products status in Europe, follows the recent granting of Investigational New Drug (IND) status by the FDA in the United States earlier this month. This is good news for people suffering from amyloidosis. While no cure currently exists, these authorizations will facilitate the process of bringing Fibrillex™ to market in the U.S. and Europe more efficiently in order to treat the patients who presently suffer from this serious disease."

The provisions of the Orphan Medicinal Products regulation in the European Community are intended to stimulate the research, development and availability of products that prevent or treat life-threatening or chronically debilitating diseases for which there is a lower prevalence but nevertheless require effective treatment. Neurochem already received Orphan Drug Designation (ODD) from the FDA for Fibrillex™ granting the product a 7-year market exclusivity in the U.S. upon commercialization. In addition to the typical 10-year market exclusivity granted under the OMP program in Europe, Neurochem could receive other incentives which include possible access to research assistance to defray the costs of clinical testing.

Secondary Amyloidosis is a systemic and fatal form of amyloidosis. The disease is caused by the deposition of amyloid A (AA) protein mainly in the kidneys, the spleen, the liver and the adrenals causing severe dysfunction. It is associated with chronic inflammatory conditions such as rheumatoid arthritis, chronic infections and Familial Mediterranean Fever. It is estimated that more than 500,000 patients in industrialized countries are presently suffering from Secondary Amyloidosis, with no treatment available.

With the granting of IND status in the U.S. earlier this month, Fibrillex™ is now entering in pivotal Phase II/III clinical trials. Fibrillex™ has undergone extensive toxicity and pharmacokinetic investigations in animal species and exhibited a good safety profile. The drug's safety, tolerability and pharmacokinetic profile was re-confirmed in the four human clinical Phase I studies conducted previously.

Neurochem is an industry leader in the development of a novel, proprietary series of compounds that inhibit the formation, deposit and toxic effects of amyloid fibrils on cells within the body. Neurochem's research team has been working with international amyloid experts on the development of therapeutic cures to amyloid-related diseases, including Alzheimer's disease, Secondary Amyloidosis , Diabetes Type II and Hemorrhagic Stroke (due to Cerebral Amyloid Angiopathy). Neurochem has advanced three drug candidates to clinical trials: Alzhemed™, for the treatment of Alzheimer's disease, Fibrillex™, for Secondary Amyloidosis, and Cerebril™, for Hemorrhagic Stroke. At present, the Company employs over 50 people and is located in Saint-Laurent, Canada (www.neurochem.com).

For further Information, please contact:
Dr. Lise Hébert
Vice President, Corporate Communications
lhebert@neurochem.com

275 Armand-Frappier
Laval (Quebec)
H7V 4A7
Tel: (450) 680-4500
Fax: (450) 680-4501

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