Clinical trial • Phase III • Psychiatry

AZETUKALNER for Bipolar depression

Phase III trial of AZETUKALNER for Bipolar depression. open-label, none/not specified-controlled. 320 participants.

Overview

Trial Therapeutic Area
Psychiatry
Trial Disease
Bipolar depression
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
16-12-2025
First CTIS Authorization Date
28-04-2026

Trial design

open-label, none/not specified-controlled Phase III trial across 22 sites in Bulgaria, France, Germany and others.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
320
Trial Duration For Participant
420

Eligibility

Recruits 320 Vulnerable population selected. Inclusion requires written informed consent: "2. Participant provides written informed consent to participate in the study, is able to understand the procedures and study requirements, and agrees to abide by them." Subject information and informed consent forms are provided (multiple language versions listed in trial documents). No specific assent or minor-consent procedures are described in the available data..

Pregnancy Exclusion
4. Female participant who is pregnant, breastfeeding, or planning to become pregnant.
Vulnerable Population
Vulnerable population selected. Inclusion requires written informed consent: "2. Participant provides written informed consent to participate in the study, is able to understand the procedures and study requirements, and agrees to abide by them." Subject information and informed consent forms are provided (multiple language versions listed in trial documents). No specific assent or minor-consent procedures are described in the available data.

Inclusion criteria

  • {"criterion_text":"- 1. Participant successfully completed the treatment period in a Phase 3 antecedent study evaluating azetukalner in participants with bipolar depression\n- 2. Participant provides written informed consent to participate in the study, is able to understand the procedures and study requirements, and agrees to abide by them.\n- 3. Participant is willing to comply with the protocol contraception requirements, as defined in the protocol."}

Exclusion criteria

  • {"criterion_text":"- 1. Participant met any of the withdrawal criteria, discontinued study drug early, or was terminated early from an antecedent study.\n- 2. Participant had any protocol deviations in an antecedent study that, in the opinion of the investigator, would preclude participation in this study.\n- 3. Participant has any medical condition, personal circumstance, or ongoing AE (from an antecedent study) that, in the opinion of the investigator, exposes the participant to unacceptable risk by participating in the study or prevents adherence to the protocol.\n- 4. Female participant who is pregnant, breastfeeding, or planning to become pregnant.\n- 5. Participant is planning to enter a clinical study with a different investigational drug or planning to use any experimental device for the treatment of any medical condition during the study or within 28 days after completion of this study.\n- 6. Participant is judged by the investigator to have a significant risk for self-harm or suicidal behavior during their participation in the study or is considered to be an imminent danger to themself or others.\n- 7.\tParticipant has had an active suicidal plan/intent (answer “yes” on item 4 or 5 in the C-SSRS Suicidal Ideation section) since the last visit, and/or based on the clinical assessment of suicidality risk by the investigator."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Severity and frequency of TEAEs, SAEs, AESIs and ECIs","definition_or_measurement_approach":"Severity and frequency of treatment-emergent adverse events (TEAEs), serious adverse events (SAEs), adverse events of special interest (AESIs) and events of clinical interest (ECIs) as reported and recorded during the study."}

Secondary endpoints

  • {"endpoint_text":"- Change from baseline in the MADRS total score over time.","definition_or_measurement_approach":"Change from baseline measured using the MADRS (Montgomery–Åsberg Depression Rating Scale) total score over time."}
  • {"endpoint_text":"- Change in CGI-S score over time.","definition_or_measurement_approach":"Change over time measured using the Clinical Global Impression - Severity (CGI-S) score."}
  • {"endpoint_text":"- Change from baseline in the SHAPS total score over time.","definition_or_measurement_approach":"Change from baseline measured using the SHAPS (Snaith-Hamilton Pleasure Scale) total score over time."}

Recruitment

Planned Sample Size
320
Recruitment Window Months
37
Consent Approach
Participants must provide written informed consent: "2. Participant provides written informed consent to participate in the study, is able to understand the procedures and study requirements, and agrees to abide by them." Subject information and informed consent forms are provided and listed in the trial documents in multiple languages (examples include English, Bulgarian, German, French, Spanish, Polish). There is a specific ICF for a pregnant partner listed. No assent or minor-consent procedures are described.

Geography

Total Number Of Sites
22
Total Number Of Participants
70

Bulgaria

Earliest CTIS Part Ii Submission Date
14-04-2026
Latest Decision Or Authorization Date
04-05-2026
Processing Time Days
20
Number Of Sites
9
Number Of Participants
30

Sites

Site Name
Center For Mental Health Vratsa EOOD
Department Name
Psychiatry
Principal Investigator Name
Nadya Emilova Ivanova
Principal Investigator Email
nadia_odpzs@abv.bg
Contact Person Name
Nadya Emilova Ivanova
Contact Person Email
nadia_odpzs@abv.bg
Site Name
Diagnostics-Consultancy Center Mladost M Varna OOD
Department Name
Psychiatry
Principal Investigator Name
Hristo Vasilev Kozhuharov
Principal Investigator Email
christokojuharov@abv.bg
Contact Person Name
Hristo Vasilev Kozhuharov
Contact Person Email
christokojuharov@abv.bg
Site Name
State Psychiatric Hospital Lovech
Department Name
Psychiatry
Principal Investigator Name
Lyudmil Zdravkov Tumbev
Principal Investigator Email
tumbev.dpb.lovech@abv.bg
Contact Person Name
Lyudmil Zdravkov Tumbev
Contact Person Email
tumbev.dpb.lovech@abv.bg
Site Name
University Multiprofile Hospital For Active Treatment Dr. Georgi Stranski EAD
Department Name
Psychiatry
Principal Investigator Name
Maya Yordanova Stoimenova-Popova
Principal Investigator Email
dr.maya.stoimenova@gmail.com
Contact Person Name
Maya Yordanova Stoimenova-Popova
Contact Person Email
dr.maya.stoimenova@gmail.com
Site Name
Diagnostichno-Konsultativen Centar XI-Sofia ЕООД
Department Name
Psychiatry
Principal Investigator Name
Tina Ivanova Blajeva
Principal Investigator Email
tina_blajeva@yahoo.com
Contact Person Name
Tina Ivanova Blajeva
Contact Person Email
tina_blajeva@yahoo.com
Site Name
Multiprofile Hospital For Active Treatment Dr. Hristo Stambolski EOOD
Department Name
Psychiatry
Principal Investigator Name
Ivan Todorov Dimitrov
Principal Investigator Email
itdim@abv.bg
Contact Person Name
Ivan Todorov Dimitrov
Contact Person Email
itdim@abv.bg
Site Name
Diagnostics-Consultancy Center Mladost M Varna OOD
Department Name
Psychiatry
Principal Investigator Name
Petar Petrov
Principal Investigator Email
pmdown@abv.bg
Contact Person Name
Petar Petrov
Contact Person Email
pmdown@abv.bg
Site Name
Medical Center Saint Naum EOOD
Department Name
Psychiatry
Principal Investigator Name
Assen Jivkov Karadaliev
Principal Investigator Email
karadaliev@hotmail.com
Contact Person Name
Assen Jivkov Karadaliev
Contact Person Email
karadaliev@hotmail.com
Site Name
Medical Center Hera EOOD
Department Name
Psychiatry
Principal Investigator Name
Spiridon Aleksiev Spiridonov
Principal Investigator Email
spiridon.aleksiev@gmail.com
Contact Person Name
Spiridon Aleksiev Spiridonov
Contact Person Email
spiridon.aleksiev@gmail.com

France

Earliest CTIS Part Ii Submission Date
16-03-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
43
Number Of Sites
3
Number Of Participants
10

Sites

Site Name
Centre Hospitalier Universitaire Grenoble Alpes
Department Name
Psychiatry
Principal Investigator Name
Mircea Polosan
Principal Investigator Email
mpolosan@chu-grenoble.fr
Contact Person Name
Mircea Polosan
Contact Person Email
mpolosan@chu-grenoble.fr
Site Name
Desbonnet Recherche
Department Name
Psychiatry
Principal Investigator Name
Desbonnet Philippe
Principal Investigator Email
philippe.desbonnet654@orange.fr
Contact Person Name
Desbonnet Philippe
Site Name
Centre Hospitalier Universitaire De Nimes
Department Name
Psychiatry
Principal Investigator Name
Fabrice Boulet
Principal Investigator Email
fabrice.boulet@chu-nimes.fr
Contact Person Name
Fabrice Boulet
Contact Person Email
fabrice.boulet@chu-nimes.fr

Germany

Earliest CTIS Part Ii Submission Date
17-04-2026
Latest Decision Or Authorization Date
29-04-2026
Processing Time Days
12
Number Of Sites
3
Number Of Participants
10

Sites

Site Name
Technische Universitaet Dresden
Department Name
Psychiatry
Principal Investigator Name
Philipp Ritter
Principal Investigator Email
philipp.ritter@uniklinikum-dresden.de
Contact Person Name
Philipp Ritter
Site Name
Universitaetsklinikum Muenster AöR
Department Name
Psychiatry
Principal Investigator Name
Bernhard Theodor Baune
Principal Investigator Email
bernhard.baune@ukmuenster.de
Contact Person Name
Bernhard Theodor Baune
Contact Person Email
bernhard.baune@ukmuenster.de
Site Name
Goethe University Frankfurt
Department Name
Psychiatry
Principal Investigator Name
Andreas Reif
Principal Investigator Email
andreas.reif@med.uni-frankfurt.de
Contact Person Name
Andreas Reif

Spain

Earliest CTIS Part Ii Submission Date
13-02-2026
Latest Decision Or Authorization Date
04-05-2026
Processing Time Days
80
Number Of Sites
7
Number Of Participants
20

Sites

Site Name
Hospital Universitario Infanta Elena
Department Name
Psychiatry
Principal Investigator Name
Enrique Baca García
Principal Investigator Email
ebaca@fjd.es
Contact Person Name
Enrique Baca García
Contact Person Email
ebaca@fjd.es
Site Name
Instituto De Investigaciones Neuropsiquiatricas Doctor Lopez Ibor S.A.
Department Name
Psychiatry
Principal Investigator Name
Ignacio Basurte Villamor
Principal Investigator Email
i.basurte@lopezibor.com
Contact Person Name
Ignacio Basurte Villamor
Contact Person Email
i.basurte@lopezibor.com
Site Name
Hospital Universitario De Salamanca
Department Name
Psychiatry
Principal Investigator Name
Ángel Luis Montejo González
Principal Investigator Email
amontejo@usal.es
Contact Person Name
Ángel Luis Montejo González
Contact Person Email
amontejo@usal.es
Site Name
University Hospital Son Espases
Department Name
Psychiatry
Principal Investigator Name
Joan Salva Coll
Principal Investigator Email
joan.salva@ssib.es
Contact Person Name
Joan Salva Coll
Contact Person Email
joan.salva@ssib.es
Site Name
Hospital General Universitario Gregorio Maranon
Department Name
Psychiatry
Principal Investigator Name
Eva María Sánchez Morla
Principal Investigator Email
emsmorla@gmail.com
Contact Person Name
Eva María Sánchez Morla
Contact Person Email
emsmorla@gmail.com
Site Name
Hospital Alvaro Cunqueiro
Department Name
Psychiatry
Principal Investigator Name
José Antonio Campos Pérez
Principal Investigator Email
Jose.antonio.campos.perez@sergas.es
Contact Person Name
José Antonio Campos Pérez
Site Name
Additional site (Institutions listed under Spain trialSites)
Department Name
Psychiatry

Sponsor

Primary sponsor

Full Name
Xenon Pharmaceuticals Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
Canada

Contract research organisations

Name
Merit CRO Inc.
Responsibilities
Ophthalmologic assessment
Name
IQVIA Limited
Responsibilities
8
Name
Lotus Clinical Research LLC
Responsibilities
13;5;6
Name
Pivotal S.L.
Responsibilities
1;12;13;2;5
Name
Altasciences Compagnie Inc.
Responsibilities
4

Third parties

  • {"country":"United States","full_name":"Merit CRO Inc.","duties_or_roles":"Ophthalmologic assessment","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"PCI Pharma Services Germany GmbH","duties_or_roles":"14","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Labcorp","duties_or_roles":"4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Patients’ reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"8","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"ECG","organisation_type":"Pharmaceutical company"}
  • {"country":"Spain","full_name":"Taxi Travel Ticket S.L.","duties_or_roles":"Patients’ reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Spain","full_name":"Ipsory S.L.","duties_or_roles":"Patients’ reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"7","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Lotus Clinical Research LLC","duties_or_roles":"13;5;6","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Switzerland","full_name":"Labcorp Central Laboratory Services SARL","duties_or_roles":"4","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Altasciences Compagnie Inc.","duties_or_roles":"4","organisation_type":"Pharmaceutical company"}
  • {"country":"Spain","full_name":"Pivotal S.L.","duties_or_roles":"1;12;13;2;5","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
XPF-010
Active Substance
AZETUKALNER
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
1
Starting Dose
20 mg
Dose Levels
20 mg
Frequency
Once daily (QD)
Maximum Dose
20 mg

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