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  • Status
    Accepting Candidates
  • Age
    4 Years - N/A
  • Sexes
  • Healthy Volunteers


The purpose of this is study is to evaluate the long-term safety of DCCR (diazoxide choline) extended-release tablets) in patients with Prader-Willi syndrome.


Full study title An Open-Label Study of DCCR (Diazoxide Choline) Extended-Release Tablets in Patients with Prader-Willi Syndrome
Protocol number OCR43616 ID NCT05701774
Phase Phase 3


Inclusion Criteria:

  1. Provide voluntary, written informed consent (parent(s) / legal guardian(s) of patient); provide voluntary, written assent (subjects, as appropriate)

  2. Participant must:

    1. Have participated in and completed the Study C602 Randomized Withdrawal (RW) Period;

    2. Have participated in but discontinued from the Study C602 RW Period and at least 16 weeks have elapsed since the date of their randomization into the C602 RW Period; or

    3. Have participated in Study C602 OLE period, did not consent to participate in the RW Period, and at least 16 weeks have elapsed since the date of their C602 Open-Label Extension End of Treatment Visit.

Exclusion Criteria:

  1. Positive urine pregnancy test (in females of child-bearing potential)

  2. Females who are pregnant or breastfeeding, and/or plan to become pregnant or to breast-feed during or within 30 days after study participation.

  3. Participation in a clinical study of an investigational drug (including approved drugs for unapproved uses), investigational device, or therapeutic intervention subsequent to the C602 Open-Label Extension End of Treatment Visit.

Lead researcher

Participate in a study

Here are some general steps to consider when participating in a research study:

  1. Step

    Contact the research team

    Call or email the research team listed within the specific clinical trial or study to let them know that you're interested. A member of the research team, such as the researcher or study coordinator, will be available to tell you more about the study and to answer any questions or concerns you may have.

    Primary contact

    Jennifer Miller
  2. Step

    Get screened to confirm eligibility

    You may be asked to take part in prescreening to make sure you are eligible for a study. The prescreening process ensures it is safe for you to participate. During the prescreening process, you will be asked some questions and you may also be asked to schedule tests or procedures to confirm your eligibility.

  3. Step

    Provide your consent to participate

    If you are eligible and want to join the clinical trial or study, a member of the research team will ask for your consent to participate. To give consent, you will be asked to read and sign a consent form for the study. This consent form explains the study's purpose, procedures, risks, benefits and provides other important information, such as the study team's contact information.

  4. Step


    If you decide to participate in a clinical trial or study, the research team will keep you informed of the study requirements and what you will need to do to throughout the study. For some trials or studies, your health care provider may work with the research team to ensure there are no conflicts with other medications or treatments.