- Conditions
- EDS, Cataplexy, Fatigue, Narcolepsy
- Interventions
- HBS-301, Placebo
- Drug · Other
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 258 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 51
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Peoria, Arizona + 46 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–19
of 19
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Drug Drug Interaction
- Interventions
- EPX-100, Itraconazole, Phenytoin, Omeprazole, Midazolam, Bupropion
- Drug
- Lead sponsor
- Epygenix
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 54 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Tempe, Arizona
- Conditions
- Narcolepsy
- Interventions
- HBS-201
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 15
- States / cities
- San Ramon, California • Brandon, Florida • Miami, Florida + 12 more
- Conditions
- 22Q11.2 Deletion Syndrome
- Interventions
- ZYN002
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 4 Years to 17 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Greenville, South Carolina
- Conditions
- Fragile X Syndrome, Fragile X Syndrome (FXS)
- Interventions
- ZYN002, Placebo
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 3 Years to 29 Years
- Enrollment
- 257 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 18
- States / cities
- Phoenix, Arizona • Culver City, California • Irvine, California + 15 more
- Conditions
- Healthy Participants
- Interventions
- Pitolisant delayed-release
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Tempe, Arizona
- Conditions
- Sleep Deprivation
- Interventions
- HBS-104, Placebo
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Eatontown, New Jersey
- Conditions
- Pregnancy Related, Narcolepsy
- Interventions
- Pitolisant, Comparator Products
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- Female only
- Enrollment
- 1,329 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2030
- U.S. locations
- 1
- States / cities
- Morrisville, North Carolina
- Conditions
- Idiopathic Hypersomnia
- Interventions
- Open-label Pitolisant, Double-blind Placebo, Double-blind Pitolisant
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 214 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 58
- States / cities
- Peoria, Arizona • Scottsdale, Arizona • Los Angeles, California + 53 more
- Conditions
- Prader-Willi Syndrome
- Interventions
- Pitolisant tablet, Placebo tablet
- Drug · Other
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 6 Years and older
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 23
- States / cities
- Los Angeles, California • Sacramento, California • San Diego, California + 16 more
- Conditions
- Idiopathic Hypersomnia
- Interventions
- HBS-301 tablet, Placebo
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 248 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 40
- States / cities
- Birmingham, Alabama • Peoria, Arizona • Redwood City, California + 36 more
- Conditions
- Myotonic Dystrophy 1, Excessive Daytime Sleepiness
- Interventions
- Pitolisant Oral Tablet, Placebo oral tablet
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 11
- States / cities
- Irvine, California • Aurora, Colorado • Tampa, Florida + 8 more
- Conditions
- Idiopathic Hypersomnia, Excessive Daytime Sleepiness
- Interventions
- Pitolisant
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 119 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 32
- States / cities
- Los Angeles, California • San Ramon, California • Brandon, Florida + 29 more
- Conditions
- Lennox Gastaut Syndrome
- Interventions
- Clemizole HCl, Placebo
- Drug
- Lead sponsor
- Epygenix
- Industry
- Eligibility
- 2 Years to 55 Years
- Enrollment
- 260 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 22
- States / cities
- Little Rock, Arkansas • Orange, California • Miami, Florida + 16 more
- Conditions
- Restless Legs Syndrome
- Interventions
- Pitolisant
- Drug
- Lead sponsor
- William Ondo, MD
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Narcolepsy Without Cataplexy, Narcolepsy With Cataplexy
- Interventions
- Pitolisant
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 18 Years and older
- U.S. locations
- 71
- States / cities
- Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 60 more
- Conditions
- Prader-Willi Syndrome
- Interventions
- Pitolisant
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 7 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2030
- U.S. locations
- 1
- States / cities
- Morrisville, North Carolina
- Conditions
- Dravet Syndrome
- Interventions
- Clemizole HCl, Placebo
- Drug
- Lead sponsor
- Epygenix
- Industry
- Eligibility
- 2 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2029
- U.S. locations
- 31
- States / cities
- Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 27 more
- Conditions
- Prader-Willi Syndrome
- Interventions
- Pitolisant oral tablets, Placebo oral tablet
- Drug
- Lead sponsor
- Harmony Biosciences Management, Inc.
- Industry
- Eligibility
- 6 Years to 65 Years
- Enrollment
- 65 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 13
- States / cities
- San Diego, California • San Ramon, California • Santa Monica, California + 10 more