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Ontario Public Drug Programs

Glossary – M

This glossary provides brief explanations of terms used in the Ontario Public Drug Programs web pages. To access a term definition, select the appropriate letter from the alphabet below.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Maintenance therapy Various kinds of treatment (usually medical) given to patients to enable them to maintain their health in a disease-free, or limited-disease, state.

In cancer, maintenance chemotherapy may be given to patients with cancer in remission to prevent a relapse.

Median overall survival

The length of time from the start of treatment at which half of the patients with a disease are found to be still alive. It is a common measurement used in cancer treatment studies to determine the efficacy of a therapy.

Meta-analysis Meta-analysis is the use of statistical methods to combine the results of individual studies. This allows us to make the best use of all the information we have gathered in our systematic review by increasing the power of the analysis.

By statistically combining the results of similar studies we can improve the precision of our estimates of the effects of treatment, and assess whether those effects are similar in consistent situations.

Multiple-source Drug

A multiple-source or generic drug is identical, or bioequivalent, to a “brand name” drug in dosage form, safety, strength, route of administration, quality, performance characteristics and intended use.

In Ontario, to be considered for an interchangeable listing designation in the Formulary, a multiple-source/generic drug product must meet the requirements of Ontario Regulation 935 under the Drug Interchangeability and Dispensing Fee Act.

For More Information

Call ServiceOntario, Infoline at:
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In Toronto, (416) 314-5518
TTY 1-800-387-5559.
In Toronto, TTY 416-327-4282
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