Macrolide Antibiotic

Clarithromycin for Idiopathic Hypersomnia

Emory Sleep Center, Atlanta, GA
Targeting 3 different conditionsClarithromycin +1 morePhase 2RecruitingLed by Lynn Marie Trotti, MD, MScResearch Sponsored by Emory University

Study Summary

This trial is evaluating whether the drug clarithromycin can help reduce sleepiness in people with narcolepsy or idiopathic hypersomnia.

Eligible Conditions
  • Narcolepsy
  • Idiopathic Hypersomnia

Eligibility Criteria

Inclusion Criteria

You will be eligible if you check “Yes” for the criteria below
You are not taking any medication that helps you stay awake, or you are still feeling tired despite taking such medication. If you are taking such medication, you must be willing to stop taking it for at least 5 half-lives before the start of the study.
You have not taken any pre- or probiotic supplements for six months before the study starts.


Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day -2, day 13
This trial's timeline: 3 weeks for screening, Varies for treatment, and day -2, day 13 for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Change in Default Mode Network (DMN) Connectivity
Change in Epworth Sleepiness Scale Score
Change in Maintenance of Wakefulness Test (MWT)
+3 more
Secondary outcome measures
Change in Fatigue Severity Scale (FSS) Score
Change in Functional Outcomes of Sleep Questionnaire (FOSQ) Score
Change in Hypersomnia Severity Index (HSI)
+15 more

Side effects data

From 2021 Phase 3 trial • 1046 Patients • NCT04167670
Study treatment Arm
Lansoprazole Triple Therapy
Vonoprazan Dual Therapy
Vonoprazan Triple Therapy

Awards & Highlights

All Individual Drugs Already Approved
Therapies where all constituent drugs have already been approved are likely to have better-understood side effect profiles.
Approved for 10 Other Conditions
This treatment demonstrated efficacy for 10 other conditions.

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: ClarithromycinExperimental Treatment1 Intervention
Participants in this study arm will receive clarithromycin for 14 days.
Group II: PlaceboPlacebo Group1 Intervention
Participants in this study arm will receive a placebo to match clarithromycin for 14 days.
First Studied
Drug Approval Stage
How many patients have taken this drug
FDA approved

Find a site

Who is running the clinical trial?

National Institute of Neurological Disorders and Stroke (NINDS)NIH
1,297 Previous Clinical Trials
460,766 Total Patients Enrolled
Emory UniversityLead Sponsor
1,574 Previous Clinical Trials
2,879,651 Total Patients Enrolled
1 Trials studying Idiopathic Hypersomnia
44 Patients Enrolled for Idiopathic Hypersomnia
Lynn Marie Trotti, MD, MSc4.29 ReviewsPrincipal Investigator - Emory University
Emory University
1 Previous Clinical Trials
44 Total Patients Enrolled
1 Trials studying Idiopathic Hypersomnia
44 Patients Enrolled for Idiopathic Hypersomnia
5Patient Review
Dr. So-and-so is very knowledgeable about sleep disorders and easy to communicate with. I appreciate that she values my input in regards to how my care progresses.

Media Library

Clarithromycin (Macrolide Antibiotic) Clinical Trial Eligibility Overview. Trial Name: NCT04026958 — Phase 2
Idiopathic Hypersomnia Research Study Groups: Clarithromycin, Placebo
Idiopathic Hypersomnia Clinical Trial 2023: Clarithromycin Highlights & Side Effects. Trial Name: NCT04026958 — Phase 2
Clarithromycin (Macrolide Antibiotic) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04026958 — Phase 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What is the current capacity of participants in this clinical venture?

"Affirmative, indicates that this medical experiment is now enlisting participants. This study was initially broadcasted on September 4th 2019 and has since been revised on June 15th 2022. The team behind the trial currently needs 92 individuals across 1 site to complete the research project."

Answered by AI

Are elderly individuals being admitted to this clinical trial?

"As per the trial's eligibility requirements, participants must fall between 18 and 60 years old to be included."

Answered by AI

What risks do patients incur when taking Clarithromycin?

"While the efficacy of Clarithromycin is not yet confirmed, there are existing studies that support its safety. Thus, it received an approximate rating of 2 on our scale."

Answered by AI

Are recruitment efforts underway for this trial?

"As indicated by the database, this venture is recruiting participants at present. This trial was initially posted on September 4th 2019 and has been modified as recently as June 15th 2022."

Answered by AI

Who meets the prerequisites to join this investigation?

"This research is seeking 92 participants with idiopathic hypersomnia aged 18-60. In order to be considered, patients must have no wake-promoting medications in their system, narcolepsy type 2 or related diagnosis of the condition, not taken prebiotics/probiotics for 6 months prior to baseline measures and able to cease use of any current medication if applicable."

Answered by AI

What medical conditions can Clarithromycin be employed to address?

"Clarithromycin is normally used to combat bacterial infections, yet it can also be prescribed for mycobacterial sicknesses, hiv and acute cases of bronchitis."

Answered by AI

What results is the team hoping for from this experiment?

"The primary aim of this two week study is to measure any shifts in the gastrointestinal microbiome. Additionally, we are measuring changes in interleukin 1 alpha (IL-1α), interleukin 8 (IL-8), and interferon alpha (INF-α) levels which may correlate with a reduction in soporific cytokines leading to reduced daytime sleepiness."

Answered by AI

Who else is applying?

What state do they live in?
New York
How old are they?
18 - 65
What portion of applicants met pre-screening criteria?
Did not meet criteria
How many prior treatments have patients received?
~15 spots leftby Jul 2024