Clinical trial • Phase II • Neurology

ALKS 2680 for Idiopathic hypersomnia

Phase II trial of ALKS 2680 for Idiopathic hypersomnia.

Overview

Trial Therapeutic Area
Neurology
Trial Disease
Idiopathic hypersomnia
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
25-04-2025
First CTIS Authorization Date
19-08-2025

Trial design

Randomised, placebo to match alks 2680 (placebo arm listed as 'placebo to match alks 2680'). active comparator arms: 10 mg alks 2680, 14 mg alks 2680, 18 mg alks 2680 (oral tablets). treatment period up to 8 weeks; placebo matches alks 2680 formulation.-controlled Phase II trial in Italy, Netherlands, Belgium and others.

Randomised
Yes
Comparator
Placebo to match ALKS 2680 (placebo arm listed as 'Placebo to match ALKS 2680'). Active comparator arms: 10 mg ALKS 2680, 14 mg ALKS 2680, 18 mg ALKS 2680 (oral tablets). Treatment period up to 8 weeks; placebo matches ALKS 2680 formulation.
Target Sample Size
81
Trial Duration For Participant
112

Eligibility

Recruits 81 Vulnerable population selected (populationOfTrialSubjects.isVulnerablePopulationSelected = true). Subject information sheets and country-specific informed consent forms are provided (multiple L1/L2 SIS and ICF documents listed for countries/languages). No explicit assent/parental consent procedures for minors are described in the available data (trial population appears to be adult patients)..

Pregnancy Exclusion
Is currently pregnant, breastfeeding, or is planning to become pregnant during the study
Vulnerable Population
Vulnerable population selected (populationOfTrialSubjects.isVulnerablePopulationSelected = true). Subject information sheets and country-specific informed consent forms are provided (multiple L1/L2 SIS and ICF documents listed for countries/languages). No explicit assent/parental consent procedures for minors are described in the available data (trial population appears to be adult patients).

Inclusion criteria

  • {"criterion_text":"- Is willing and able, in the opinion of the Investigator, to understand and comply with protocol requirements, including: a. Lifestyle considerations and restrictions b. Adherence to contraception guidance. c. Adherence to actigraphy and diary requirements d. If receiving treatment for OSA, adherence to primary OSA therapy over the 30 days prior to Visit 1, and throughout the study, including during overnight visits.\n- Meets the diagnostic criteria of IH according to ICSD-3-TR guidelines, confirmed by the diagnostic evaluations (PSG/MSLT/actigraphy) within the previous 10 years."}

Exclusion criteria

  • {"criterion_text":"- Is currently enrolled in another clinical study or used any investigational drug or device within 30 days prior to Visit 1\n- Has another comorbid sleep disorder or condition that may influence the sleep-wake cycle.\n- Has a history or presence at Visit 1 of other clinically significant (treated or untreated) illness, disease, abnormality, or surgical procedure that, in the opinion of the Investigator, might compromise subject safety, interfere with any study assessment, or affect the subject’s ability to complete the study.\n- Is currently pregnant, breastfeeding, or is planning to become pregnant during the study"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Change in Epworth Sleepiness Scale (ESS) from baseline to Week 8 by dose level.","definition_or_measurement_approach":"Change in Epworth Sleepiness Scale (ESS) score from baseline to Week 8, analysed by dose level (ESS is a patient-reported sleepiness scale)."}

Secondary endpoints

  • {"endpoint_text":"- Change in Idiopathic Hypersomnia Severity Scale (IHSS) from baseline to Week 8 by dose level.","definition_or_measurement_approach":"Change in Idiopathic Hypersomnia Severity Scale (IHSS) score from baseline to Week 8, analysed by dose level."}
  • {"endpoint_text":"- • TEAEs • Clinical laboratory assessments • Vital signs • Safety ECG • C-SSRS","definition_or_measurement_approach":"Safety and tolerability assessments including treatment-emergent adverse events (TEAEs) reporting, clinical laboratory testing, vital signs measurements, safety ECGs, and assessment with the Columbia-Suicide Severity Rating Scale (C-SSRS)."}

Recruitment

Planned Sample Size
81
Recruitment Window Months
18
Consent Approach
Informed consent obtained via subject information sheets and country-specific informed consent forms (multiple L1/L2 SIS and ICF documents available). Consent materials exist in multiple languages/country versions (examples: English, French, Dutch, Czech, Italian, Spanish indicated by country-versioned ICF documents). No explicit assent or paediatric consent materials described; consent appears to be obtained from adult participants via the listed ICFs.

Methods

  • Country-specific recruitment materials and channels: brochures, posters, PI-to-patient invitation letters, recruitment brochures and global recruitment posters (documents K2 and K1 listed for multiple countries). Recruitment duties assigned to third parties (e.g. Praxis Communications LLC listed with duty 'Recruitment'). Recruitment appears organised with country-specific K1/K2 materials (Netherlands, Belgium, France, Spain, Czechia, etc.).

Geography

Total Number Of Sites
13
Total Number Of Participants
15

Italy

Earliest CTIS Part Ii Submission Date
11-08-2025
Latest Decision Or Authorization Date
27-01-2026
Processing Time Days
169
Number Of Sites
3
Number Of Participants
3

Sites

Site Name
Istituto San Raffaele
Department Name
UO Neurologia-Centro di Medicina del Sonno
Contact Person Name
Luigi Ferini-Strambi
Contact Person Email
ferinistrambi.luigi@hsr.it
Site Name
Instituto Di Ricovero E Cura A Carattere Scientifico
Department Name
Neurologia
Contact Person Name
Giuseppe Plazzi
Contact Person Email
giuseppe.plazzi@unibo.it
Site Name
Centro Ricerche Cliniche Di Verona S.r.l.
Department Name
CRC
Contact Person Name
Giuseppe Plazzi
Contact Person Email
giuseppe.plazzi@crc.vr.it

Netherlands

Earliest CTIS Part Ii Submission Date
21-08-2025
Latest Decision Or Authorization Date
22-01-2026
Processing Time Days
154
Number Of Sites
1
Number Of Participants
2

Sites

Site Name
Epilepsie Instellingen Nederland Stichting
Department Name
Neurology
Contact Person Name
Gert Jan Lammers
Contact Person Email
gjlammers@sein.nl

Belgium

Earliest CTIS Part Ii Submission Date
08-08-2025
Latest Decision Or Authorization Date
05-02-2026
Processing Time Days
181
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Pneumocare
Department Name
Medical Research Center
Contact Person Name
Jean-Benoît Martinot
Contact Person Email
martinot.j@respisom.be
Site Name
Anima
Department Name
Research Center
Contact Person Name
Erik Buntinx
Contact Person Email
erik.buntinx@anima-alken.be

Czechia

Earliest CTIS Part Ii Submission Date
07-08-2025
Latest Decision Or Authorization Date
26-01-2026
Processing Time Days
172
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Vseobecna Fakultni Nemocnice V Praze
Department Name
Neurologická klinika
Contact Person Name
Karel Šonka
Contact Person Email
karel.sonka@vfn.cz

Spain

Earliest CTIS Part Ii Submission Date
07-08-2025
Latest Decision Or Authorization Date
02-02-2026
Processing Time Days
179
Number Of Sites
3
Number Of Participants
3

Sites

Site Name
Fundacion Vithas
Department Name
Neurology
Contact Person Name
Rafael Del Rio Villegas
Contact Person Email
rafaeldelrv@gmail.com
Site Name
Instituto De Investigaciones Del Sueno S.L.
Department Name
Neurology
Contact Person Name
Diego Garcia Borreguero
Contact Person Email
dgb.investigation@iis.es
Site Name
Hospital Clinic De Barcelona
Department Name
Neurology
Contact Person Name
Alejandro Iranzo de Riquer
Contact Person Email
airanzo@clinic.cat

France

Earliest CTIS Part Ii Submission Date
03-06-2025
Latest Decision Or Authorization Date
23-01-2026
Processing Time Days
234
Number Of Sites
3
Number Of Participants
2

Sites

Site Name
Centre Hospitalier Universitaire De Bordeaux
Department Name
Sleep Medicine
Contact Person Name
Pierre PHILIP
Contact Person Email
pierre.philip@u-bordeaux.fr
Site Name
Centre Hospitalier Universitaire Grenoble Alpes
Department Name
Pneumology/ Physiology, Sleep and Exercise
Contact Person Name
Jean Louis PEPIN
Contact Person Email
jpepin@chu-grenoble.fr
Site Name
Centre Hospitalier Universitaire De Montpellier
Department Name
Neurologie
Contact Person Name
Yves DAUVILLIERS

Sponsor

Primary sponsor

Full Name
Alkermes Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
IQVIA Limited
Responsibilities
codes 1,10,12,14,2,5,6 (listed in sponsorDuties for IQVIA Limited)
Name
Eresearchtechnology Inc.
Responsibilities
ECG
Name
Suvoda LLC
Responsibilities
code 3
Name
Medidata Solutions Inc.
Responsibilities
code 7

Third parties

  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"ECG","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"American National Red Cross","duties_or_roles":"code 4","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"code 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Subject reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Clinilabs Inc.","duties_or_roles":"EEG/PSG","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Signant Health Global Solutions Limited","duties_or_roles":"eCOA","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Actigraph LLC","duties_or_roles":"Actigraphy","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"code 3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Praxis Communications LLC","duties_or_roles":"Recruitment","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Australia","full_name":"Cogstate Limited","duties_or_roles":"Cognitive tests","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Labcorp Early Development Laboratories Inc.","duties_or_roles":"code 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"codes 1,10,12,14,2,5,6","organisation_type":"Pharmaceutical company"}
  • {"country":"Belgium","full_name":"CellCarta","duties_or_roles":"code 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United Kingdom","full_name":"Iqvia Laboratories Limited","duties_or_roles":"code 4","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
ALKS 2680
Active Substance
ALKS 2680
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
Oral
Authorisation Status
Not authorised in the population involved in the planned clinical trial
Starting Dose
10 mg
Dose Levels
10 mg | 14 mg | 18 mg
Maximum Dose
18 mg
Dose Escalation Increase
10 mg, 14 mg, 18 mg
Investigational Product Name
Placebo to match ALKS 2680
Modality
Other

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