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This website is intended only for United Status (US) residents; however, country specific websites outside of the US are (will be) available. If you are not a resident of the US and have questions about the ONSTRIDE-1 study, please email clinicaltrials@harmonybiosciences.com to find out if your country is participating in the study.

The path forward for narcolepsy starts with new research.

Consider the ONSTRIDE-1 study.

About the ONSTRIDE-1 study

This clinical study is assessing an investigational drug for narcolepsy in people 18 years of age or older and is seeking volunteers.

A person may qualify to participate in the ONSTRIDE-1 study if they are:

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18 years of age or older

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Diagnosed with narcolepsy (type 1 or 2)

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If on a stable dose of a current medication, must continue it through study completion

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Not pregnant or planning pregnancy

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Not on a prohibited medication

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Able to give informed consent

This is not a complete list of study requirements. The study doctor will review all of the requirements with you.

It is important to study the investigational drug in a wide range of people with narcolepsy. We are looking for ALL types of people living with narcolepsy to enroll—including adults who are of any race, ethnic origin, or sex.

ONSTRIDE-1 patient brochure thumbnail

Download the study brochure

The study brochure provides information similar to the information on this website to help you discuss participation in the ONSTRIDE-1 study with your doctor. You can also share the brochure with someone who may be interested in this study.

Learn more