A Long-Term Safety Study of JZP-110 in the Treatment of Excessive Sleepiness in Subjects With Narcolepsy or OSA


About this study

This is a Phase 3 study to assess the long-term safety and maintenance of efficacy of JZP-110 in subjects who have completed Study 14-002, 14-003, 14-004, 15-004, 15-005, ADX-N05 201, or ADX-N05 202.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  1. Subject meets one of the following:
    1. Completed Study 14-002 or 14-003 (Group A)
    2. Completed Study 14-004, 15-004, 15-005, ADX-N05 201 or ADX-N05 202 (Group B)
  2. Body mass index from 18 to <45 kg/m2
  3. Consent to use a medically acceptable method of contraception
  4. Willing and able to provide written informed consent

Exclusion Criteria:

  1. Female subjects who are pregnant, nursing, or lactating
  2. Any other clinically relevant medical, behavioral, or psychiatric disorder other than narcolepsy or OSA that is associated with excessive sleepiness
  3. History or presence of bipolar disorder, bipolar related disorders, schizophrenia, schizophrenia spectrum disorders, or other psychotic disorders according to DSM-5 criteria
  4. Presence of any acutely unstable medical condition, behavioral or psychiatric disorder (including active suicidal ideation), or surgical history that could affect the safety of the subject or interfere with study efficacy or safety assessments, or the ability of the subject to complete the trial per the judgment of the Investigator
  5. History of bariatric surgery within the past year or a history of roux-en-y procedure
  6. Presence or history of significant cardiovascular disease
  7. Use of any over the counter (OTC) or prescription medications that could affect the evaluation of excessive sleepiness
  8. Received an investigational drug other than JZP-110 in the past 30 days or five half-lives (whichever is longer)
  9. History of phenylketonuria (PKU) or history of hypersensitivity to phenylalanine-derived products

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Scottsdale/Phoenix, Ariz.

Mayo Clinic principal investigator

Lois Krahn, M.D.

Closed for enrollment

More information


Publications are currently not available

Additional contact information

Non-cancer trials contact form

Phone: 800-664-4542 (toll-free)

International patient clinical studies questions