ClinicalTrials.gg
RecruitingNCT05536011Updated Jun 12, 2026

WAKIX® (Pitolisant) Pregnancy Registry

An observational study in Pregnancy Related and Narcolepsy, sponsored by Harmony Biosciences Management, Inc.. Recruiting at 1 site in United States. Open to female participants. Per ClinicalTrials.gov, last updated 2026-06-12.

Sponsored by Harmony Biosciences Management, Inc. (part of Harmony Biosciences Holdings, Inc.) · Observational

From the registry’s dates

  • Started Aug 2021; still recruiting 5 years 2 months later.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
1,329
Sex
Female
01

Study summary

The WAKIX (pitolisant) Pregnancy Registry is a US-based, prospective, observational cohort study designed to evaluate the association between pitolisant exposure during pregnancy and subsequent maternal, fetal, and infant outcomes.

Read the detailed description

The WAKIX (pitolisant) Pregnancy Registry is a US-based, prospective, observational cohort study designed to evaluate the association between pitolisant exposure during pregnancy and subsequent maternal, fetal, and infant outcomes. Participation in the registry is voluntary and participants can withdraw their consent to participate at any time. Data will be collected from enrolled pregnant women and the healthcare providers (HCPs) involved in their care or the care of their infants, if applicable. The registry is strictly observational; the schedule of office visits and all treatment regimens will be determined by HCPs. Only data that are routinely documented in patients' medical records during the course of usual care will be collected. No additional laboratory tests or HCP assessments will be required as part of this registry. The design of this pregnancy registry follows current FDA guidance for designing and implementing pregnancy exposure registries.

02

Conditions studied

  • Pregnancy Related
  • Narcolepsy

Browse trials for

03

In context

Narcolepsy

157 studies on the registry are indexed under Narcolepsy; 37 are open to participants now.

This study's planned enrollment of 1,329 is above the median of 135 across 38 observational studies indexed under Narcolepsy.

Browse Narcolepsy studies →

Lead sponsor

Harmony Biosciences Management, Inc. is the lead sponsor of 16 studies on the registry; 6 are open to participants now.

Of its 8 completed or terminated interventional studies of FDA-regulated products, 4 (50%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
Female
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

The narcolepsy study population will include three cohorts (cohort 1, 2 and 3) of pregnant women with a diagnosis of narcolepsy:

  • Cohort 1, exposed to pitolisant at any time during pregnancy
  • Cohort 2, unexposed to pitolisant or any comparator product at any time during pregnancy
  • Cohort 3, unexposed to pitolisant but exposed to a comparator product at any time during pregnancy

The non-narcolepsy study population will include two cohorts (cohorts 4 and 5) of pregnant women without a diagnosis of narcolepsy:

  • Cohort 4, exposed to pitolisant at any time during pregnancy
  • Cohort 5, unexposed to pitolisant but exposed to a comparator product at any time during pregnancy

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Pregnant woman of any age
  • Consent to participate
  • Authorization for her HCP(s) to provide data to the registry
  • For participants with a diagnosis of narcolepsy: exposure to at least one dose of pitolisant or one dose of a comparator product, or, unexposed to pitolisant or comparator products at any time during pregnancy (i.e., any pregnant woman with a diagnosis of narcolepsy)
  • For participants without a diagnosis of narcolepsy: exposure to at least one dose of pitolisant or one dose of a comparator product at any time during pregnancy

Exclusion criteria

Exclusion Criterion:

  • Occurrence of pregnancy outcome prior to first contact with the Registry Coordination Center (RCC) (i.e., retrospectively enrolled)
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
1,329 participants (estimated)
Target follow-up
21 Months
Patient registry
Yes

Groups and cohorts

  • Pitolisant-exposed participants with narcolepsy

    Pregnant women with a diagnosis of narcolepsy who are exposed to pitolisant at any time during pregnancy

    Drug: Pitolisant

  • Unexposed participants with narcolepsy

    Pregnant women with a diagnosis of narcolepsy who are not exposed to pitolisant or a comparator product at any time during pregnancy

  • Comparator-exposed participants with narcolepsy

    Pregnant women with a diagnosis of narcolepsy who are not exposed to pitolisant at any time during pregnancy but who are exposed to comparator products at any time during pregnancy

    Drug: Comparator Products

  • Pitolisant-exposed participants without narcolepsy

    Pregnant women without a diagnosis of narcolepsy who are exposed to pitolisant at any time during pregnancy

    Drug: Pitolisant

  • Comparator-exposed participants without narcolepsy

    Pregnant women without a diagnosis of narcolepsy who are not exposed to pitolisant at any time during pregnancy but who are exposed to a comparator product at any time during pregnancy

    Drug: Comparator Products

Interventions

  • Exposure to at least one dose of pitolisant at any time during pregnancy

    Also known as: Wakix

  • Exposure to at least one dose of a comparator product at any time during pregnancy

    Also known as: Modafinil/armodafinil, Sodium oxybate, Oxybate mixed salts, Solriamfetol, Methylphenidate, Amphetamines

06

What researchers measure

Primary outcomes

  1. Major congenital malformation

    An abnormality of body structure or function that is present at birth, is of prenatal origin (i.e., birth defect), has significant medical, social, or cosmetic consequences for the affected individual, and typically requires medical intervention.

    Time frame: Enrollment through the infant's first year of life

Secondary outcomes

  1. Minor congenital malformation

    An anomaly or abnormality of body structure that is present at birth, is of prenatal origin (i.e., birth defect), poses no significant health problem in the neonatal period, and tends to have limited social or cosmetic consequences for the affected individual.

    Time frame: Enrollment through the infant's first year of life

  2. Pre-eclampsia

    High blood pressure and signs of liver or kidney damage occurring at \>20 gestational weeks.

    Time frame: Enrollment through pregnancy outcome

  3. Eclampsia

    Seizures or coma in a pregnant woman with pre-eclampsia.

    Time frame: Enrollment through pregnancy outcome

  4. Spontaneous abortion

    An involuntary fetal loss or the expulsion of the products of conception occurring at \<20 gestational weeks.

    Time frame: Enrollment through pregnancy outcome

  5. Stillbirth

    As defined by the American College of Obstetricians and Gynecologists (ACOG), an involuntary fetal loss occurring at ≥20 gestational weeks or, if gestational age is unknown, a fetus weighing ≥350 g.

    Time frame: Enrollment through pregnancy outcome

  6. Elective termination

    A voluntary fetal loss or interruption of pregnancy, including pregnancy termination that occurs electively, to preserve maternal health or due to fetal abnormalities.

    Time frame: Enrollment through pregnancy outcome

  7. Preterm birth

    A live birth occurring at \<37 gestational weeks.

    Time frame: Enrollment through the infant's first year of life

  8. Small for gestational age

    Weight, length, or head circumference at birth in \<10th percentile for sex and gestational age using standard growth charts for full and preterm live born infants.

    Time frame: Enrollment through the infant's first year of life

  9. Postnatal growth deficiency

    Weight, length, or head circumference in \<10th percentile for sex and chronological age using standard growth charts

    Time frame: Enrollment through the infant's first year of life

  10. Infant development deficiency

    Failure to achieve the developmental milestones for chronological age, as defined by the Centers for Disease Control and Prevention (CDC).

    Time frame: Enrollment through the infant's first year of life

07

Study locations

1 of 1 sites recruiting
  • Evidera (PPD)
    Morrisville, North Carolina 28403, United States
    Recruiting
    • Marielle Bassell, BA · Contact
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 12, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05536011
Responsible party
Sponsor
First posted
Sep 10, 2022
Start date
Aug 24, 2021
Primary completion
Jun 30, 2030 (estimated)
Completion
Jun 30, 2030 (estimated)
Last update
Jun 12, 2026

Study contacts

WAKIX Pregnancy Registry Associate
Contact
wakixpregnancyregistry@ppd.com
1-877-302-2813

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Interested in this study?

Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.

Contact study team

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion