Clinical Trials

Clinical trials are a vital step in developing treatments that improve lives.

Through clinical trials we are able to answer questions about a particular disease, test an investigational treatment or evaluate new uses of an existing treatment and determine whether a treatment is safe and effective.

In many cases, the therapies and drugs investigated in clinical trials are not approved by Regulatory Agencies (such as the Food and Drug Administration (FDA) in the United States), and the benefits and risks of taking the treatment are not well known.

Clinical trials are used to determine whether treatments are
safe and effective
for a particular disorder. 

The clinical testing of experimental treatments or drugs is generally done in three phases with different purposes. The early phases focus on testing safety in a small number of study subjects. Later phases are conducted to further test safety and also test potential benefits. Each successive phase generally involves a larger number of people.

Why participate in a clinical trial?

Participants in clinical trials can play a more active role in their own healthcare, potentially gaining access to new research treatments before they are widely available, and helping others by contributing to medical research.

Who can participate in a clinical trial?

All clinical trials have guidelines about who can participate which are based on factors such as age, gender, type of disease, etc. These factors are used to identify appropriate participants for each trial. It also helps ensure that questions being studied can be adequately answered. Some research studies seek participants with illnesses or conditions to be studied in the clinical trial, while others need healthy participants.

Avanir conducts clinical trials in a variety of therapeutic areas. If you would like more information about Avanir's clinical trials, please visit

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