258 Participants NeededMy employer runs this trial

HBS-301 for Narcolepsy

Recruiting at 54 trial locations
MM
KW
Overseen ByKatie Wilmsen
Pivotal Trial (Near Approval)This treatment is in the last trial phase before FDA approval
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new drug, HBS-301, to evaluate its effectiveness and safety for people with narcolepsy. Narcolepsy leads to excessive daytime sleepiness, sudden muscle weakness (cataplexy), and fatigue, making it difficult to stay awake and alert. Participants will receive either the actual drug or a placebo (a pill with no active ingredient) to compare results. Individuals diagnosed with narcolepsy within the last 10 years and experiencing significant daytime sleepiness might be suitable for this study. As a Phase 3 trial, this study represents the final step before FDA approval, offering participants a chance to contribute to a potentially groundbreaking treatment.

Will I have to stop taking my current medications?

If you're taking certain medications or supplements that are allowed in the study, you need to be on a stable dose for at least 3 months before joining and continue that dose during the study. However, you cannot use treatments that affect daytime sleepiness, like stimulants or modafinil, as needed.

Is there any evidence suggesting that HBS-301 is likely to be safe for humans?

Research has shown that HBS-301 has undergone safety testing in people with narcolepsy. This treatment resembles pitolisant, a drug already used for sleep disorders. In studies, most participants tolerated HBS-301 well, experiencing no serious side effects. Some reported mild issues like headaches or nausea, but these were uncommon. With HBS-301 in a late-stage trial, substantial safety information is already available. This suggests it is generally safe for humans, but researchers continue to verify its effectiveness and safety for everyone.12345

Why do researchers think this study treatment might be promising for narcolepsy?

Most treatments for narcolepsy, like modafinil and sodium oxybate, focus on managing symptoms by promoting wakefulness or regulating sleep cycles. But HBS-301 works differently. This new treatment aims to target specific pathways in the brain related to wakefulness, potentially offering a more direct approach to managing narcolepsy. Researchers are excited because HBS-301 could provide more consistent and reliable symptom control with fewer side effects, setting it apart from current options. Plus, its once-daily tablet form makes it a convenient choice for those living with narcolepsy.

What evidence suggests that HBS-301 might be an effective treatment for narcolepsy?

Research shows that HBS-301, a new version of pitolisant, could help manage narcolepsy symptoms such as excessive daytime sleepiness and sudden muscle weakness (cataplexy). Studies have found that pitolisant helps people with narcolepsy feel more awake and less sleepy. Participants in these studies reported feeling less tired and more alert during the day. Data from earlier trials suggest that HBS-301 may effectively manage these symptoms, offering hope for better daily functioning. The trial will include a double-blind treatment period where participants will receive either HBS-301 or a placebo. This treatment affects brain chemicals that help maintain wakefulness and alertness.12346

Who Is on the Research Team?

DS

David Seiden, MD

Principal Investigator

Harmony Biosciences Management, Inc.

Are You a Good Fit for This Trial?

This trial is for adults aged 18 and older who have narcolepsy with symptoms like excessive daytime sleepiness or cataplexy. People with other serious health conditions, certain rare diseases, or those unable to follow study procedures may not be eligible.

Inclusion Criteria

I have been diagnosed with EDS.
I have been diagnosed with NT1 or NT2 in the past 10 years.
I do not use any medications that affect my daytime sleepiness as needed.
See 1 more

Exclusion Criteria

Has any history of bipolar disorder or psychosis
Has a primary diagnosis of psychiatric illness, including depression, that is not well controlled (i.e., symptoms and medications have not been stable for at least 3 months prior to Screening)
I have or had moderate or severe liver disease.
See 4 more

Timeline for a Trial Participant

Screening/Baseline

Participants are screened for eligibility to participate in the trial

4 weeks

Double-blind Treatment

Participants receive either HBS-301 or placebo tablets once daily in the morning for 8 weeks

8 weeks

Safety Follow-up

Participants are monitored for safety after the treatment period

4 weeks

Open-label Extension (optional)

Participants may opt into continuation of treatment with HBS-301 for long-term assessment

1 year

What Are the Treatments Tested in This Trial?

Interventions

  • HBS-301

Trial Overview

The study compares a new medication called HBS-301 to a placebo (inactive treatment) in adults with narcolepsy. Participants are randomly assigned to receive either HBS-301 or placebo without knowing which one they get.

How Is the Trial Designed?

3

Treatment groups

Experimental Treatment

Placebo Group

Group I: Open-Label Extension Period HBS-301Experimental Treatment1 Intervention
Group II: Double-Blind Treatment Period HBS-301Experimental Treatment1 Intervention
Group III: Double-blind Treatment Period PlaceboPlacebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Harmony Biosciences Management, Inc.

Lead Sponsor

Trials
9
Recruited
2,000+

Citations

A Phase 3 Efficacy and Safety Study of HBS-301 in ...

The Patient Global Impression of Change (Fatigue) is a participant-reported outcome used to evaluate the effectiveness of a treatment on their fatigue symptoms.

A Phase 3 Efficacy and Safety Study of HBS-301 in ...

This is a Phase 3, multicenter, randomized, double-blind, parallel-group, placebo-controlled clinical study to assess the efficacy and safety of ...

0739 Phase 3, Randomized, Double-Blind, Placebo ...

These studies will determine the efficacy and safety of HBS-301, an optimized pitolisant formulation,

HBS-301-CL-301 Study | St. Louis | St. Luke's

The purpose of this clinical trial is to learn whether this investigational formulation of pitolisant may be effective for patients with Narcolepsy.

Release Details - Investor Relations | Harmony Biosciences

Results from a post-hoc analysis evaluating the efficacy of pitolisant in patients with a high burden of narcolepsy symptoms. Data were pooled ...

6.

harmonybiosciences.com

harmonybiosciences.com/science/

Harmony Biosciences Pipeline of Innovative Solutions

A Phase 3, Randomized, Double-Blind, Placebo-Controlled, Efficacy and Safety Study of HBS-301 in Participants with Narcolepsy Followed by an Open-Label ...