Clinical trial • Phase III • Psychiatry

trospium chloride, xanomeline tartrate for Bipolar I disorder (mania or mania with mixed features)

Phase III trial of trospium chloride, xanomeline tartrate for Bipolar I disorder (mania or mania with mixed features).

Overview

Trial Therapeutic Area
Psychiatry
Trial Disease
Bipolar I disorder (mania or mania with mixed features)
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
07-05-2025
First CTIS Authorization Date
26-08-2025

Trial design

open-label, none/not specified-controlled Phase III trial across 41 sites in Sweden, Hungary, Croatia and others.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
278

Eligibility

Recruits 278 No vulnerable populations selected. Only adults aged 18-65 are eligible. Participants must be able to understand the study and agree to take part (informed consent provided by participant). No assent procedures described..

Pregnancy Exclusion
Participants cannot join if they have a high risk of suicide or violent behavior, serious heart, liver, or kidney problems, are pregnant or breastfeeding, or have recently used medicines that cannot be safely stopped
Vulnerable Population
No vulnerable populations selected. Only adults aged 18-65 are eligible. Participants must be able to understand the study and agree to take part (informed consent provided by participant). No assent procedures described.

Inclusion criteria

  • {"criterion_text":"- Participants must be between 18-65 years old.\n- Participant must have a diagnosis of Bipolar-I disorder.\n- If participants are taking lithium, valproate, or lamotrigine, their dose should be stable.\n- Participants must be able to understand the study and agree to take part."}

Exclusion criteria

  • {"criterion_text":"- Participants cannot join if they have a high risk of suicide or violent behavior, serious heart, liver, or kidney problems, are pregnant or breastfeeding, or have recently used medicines that cannot be safely stopped\n- The study excludes people with certain conditions that could be made worse by the study drug (due to its cholinergic activities), such as trouble urinating (urinary retention), stomach problems that slow digestion (gastric retention), untreated eye problems (narrow-angle glaucoma), irritable bowel syndrome, or serious constipation\n- Participants will be excluded from the study if they fail a urine drug screen or alcohol test when they come in for screening."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- To track any side effects that participants experience while receiving the treatment.","definition_or_measurement_approach":""}

Secondary endpoints

  • {"endpoint_text":"- To monitor for: serious side effects, specific side effects of concern, side effects that cause participants to stop treatment.","definition_or_measurement_approach":"Monitoring for serious adverse events (SAEs), adverse events of special interest (AESIs), and discontinuations due to side effects."}
  • {"endpoint_text":"- To observe any changes in how participants respond to questions about suicidal thoughts or behaviors.","definition_or_measurement_approach":"Observation of changes in responses to questions about suicidal ideation and behavior (questionnaire/assessment-based monitoring)."}
  • {"endpoint_text":"- To measure changes from the beginning of the study in: Movement and coordination (using tests like BARS, SAS, and AIMS); Urinary symptoms (for male participants aged 45 and older, using the IPSS questionnaire).","definition_or_measurement_approach":"Movement and coordination assessed using scales/tests such as BARS, SAS, and AIMS; urinary symptoms assessed using the IPSS questionnaire for male participants aged >=45 years."}

Recruitment

Planned Sample Size
278
Recruitment Window Months
33
Consent Approach
Informed consent is obtained from the participant (participants must be able to understand the study and agree to take part). ICF/SIS documents and translations are provided for participating countries (documents available in multiple local languages as evidenced by country-specific ICFs and translations, e.g., English, Hungarian, Croatian, Spanish, Polish, Bulgarian, Slovak, Italian). Separate ICFs for pregnant partners and optional future research are provided where applicable.

Geography

Total Number Of Sites
41
Total Number Of Participants
160

Sweden

Earliest CTIS Part Ii Submission Date
30-07-2025
Latest Decision Or Authorization Date
10-02-2026
Processing Time Days
195
Number Of Sites
1
Number Of Participants
5

Sites

Site Name
Region Stockholm – SLSO
Department Name
Psykiatri Södra Region Stockholm, Lasarettsvägen 6, 131 45 Nacka
Contact Person Name
Andreas Carlborg

Hungary

Earliest CTIS Part Ii Submission Date
07-07-2025
Latest Decision Or Authorization Date
20-02-2026
Processing Time Days
228
Number Of Sites
3
Number Of Participants
8

Sites

Site Name
Gyor-Moson-Sopron Varmegyei Petz Aladar Egyetemi Oktato Korhaz
Department Name
Department of Psychiatry, Mental Health and Addiction
Contact Person Name
Gabor Feller
Contact Person Email
fellerg@petz.gyor.hu
Site Name
Semmelweis University
Department Name
Department of Psychiatry and Psychotherapy
Contact Person Name
Janos Rethelyi
Site Name
Nyiro Gyula Orszagos Pszichiatriai Es Addiktologiai Intezet
Department Name
Gyula Nyírő National Institute of Psychiatry and Addiction
Contact Person Name
Csaba Almasi
Contact Person Email
ugyfelszolgalat@nyiro-opai.hu

Croatia

Earliest CTIS Part Ii Submission Date
30-07-2025
Latest Decision Or Authorization Date
16-02-2026
Processing Time Days
201
Number Of Sites
4
Number Of Participants
7

Sites

Site Name
Klinika za psihijatriju Vrapce
Department Name
Zavod za biologijsku psihijatriju i psihogerijatriju
Contact Person Name
Ninoslav Mimica
Site Name
Clinic for psychiatry Sveti Ivan
Department Name
Psychiatry
Contact Person Name
Igor Filipcic
Contact Person Email
igor.filipcic@kbsvi.hr
Site Name
Klinika za psihijatriju Vrapce
Department Name
Zavod za psihotične poremećaje ženski
Contact Person Name
Miroslav Herceg
Site Name
Klinika za psihijatriju Vrapce
Department Name
Zavod za oporavak i podršku zajednici
Contact Person Name
Marko Curkovic
Contact Person Email
bolnica@bolnica-vrapce.hr

Bulgaria

Earliest CTIS Part Ii Submission Date
08-07-2025
Latest Decision Or Authorization Date
11-02-2026
Processing Time Days
218
Number Of Sites
6
Number Of Participants
23

Sites

Site Name
Center For Mental Health Vratsa EOOD
Department Name
Department of General Psychiatry Psychiatry-Level III
Contact Person Name
Nadya Ivanova
Contact Person Email
nadia_odpzs@abv.bg
Site Name
State Psychiatric Saint Ivan Rilski Hospital
Department Name
Department of General Psyhiatry-closed type for adult-men Department of General Psyhiatry-closed ty
Contact Person Name
Tsveteslava Galabova
Contact Person Email
account_kurilo@abv.bg
Site Name
MBAL Dr. Ivan Seliminski - Sliven AD
Department Name
Department-Psychiatry Level II
Contact Person Name
Rozalina Petrova
Contact Person Email
mbal.sl@iradeum.com
Site Name
"Multiprofile Hospital for Active Treatment Dr. Hristo Stambolski" EOOD, Kazanlak
Department Name
Psychiatry Level II
Contact Person Name
Ivan Dimitrov
Contact Person Email
itdim@abv.bg
Site Name
University Multiprofile Hospital For Active Treatment Dr. Georgi Stranski EAD
Department Name
First Psychiatric Clinic-Psychiatry Level III
Contact Person Name
Maya Stoimenova-Popova
Contact Person Email
kopfemale_pln@abv.bg
Site Name
Center For Mental Health Prof. Dr. Ivan Temkov Burgas EOOD
Department Name
Department for Treatment of Emergency Psychiatric Conditions - Psychiatry Level III
Contact Person Name
Veselin Palazov
Contact Person Email
cpz_burgas@abv.bg

Romania

Earliest CTIS Part Ii Submission Date
25-07-2025
Latest Decision Or Authorization Date
16-03-2026
Processing Time Days
234
Number Of Sites
10
Number Of Participants
60

Sites

Site Name
Centru De Evaluare Si Tratament A Toxicodependentelor Pentru Tineri Sf. Stelian
Department Name
Psihiatry
Contact Person Name
Traian Barbu
Contact Person Email
abc@yahoo.com
Site Name
Institutul Național de Gerontologie și Geriatrie​ "Ana Aslan"
Department Name
Psihiatry
Contact Person Name
Traian Purnichi
Contact Person Email
traian.purnichi@gmail.com
Site Name
Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
Department Name
Psihiatry
Contact Person Name
Laura Cristina Dolis
Contact Person Email
secretariat@spital-obregia.ro
Site Name
Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
Department Name
Psihiatry
Contact Person Name
Valentin Matei
Contact Person Email
secretariat@spital-obregia.ro
Site Name
Institutul De Psihiatrie Socola Iasi
Department Name
Psihiatry
Contact Person Name
Cristian Stefanescu
Contact Person Email
secretariat@socola.eu
Site Name
Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
Department Name
Psihiatry
Contact Person Name
Mihnea Manea
Contact Person Email
secretariat@spital-obregia.ro
Site Name
Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
Department Name
Psihiatry
Contact Person Name
Corina Mihaela Nicolae
Contact Person Email
secretariat@spital-obregia.ro
Site Name
Spitalul Clinic De Psihiatrie Prof.Dr.Alexandru Obregia
Department Name
Psihiatry
Contact Person Name
Adela Magdalena Ciobanu
Contact Person Email
secretariat@spital-obregia.ro
Site Name
Spitalul Clinic De Psihiatrie Si Neurologie Brasov
Department Name
Psihiatry
Contact Person Name
Petru Ifteni
Contact Person Email
petru_ifteni@yahoo.com
Site Name
Spitalul Universitar De Urgenta Militar Central Dr. Carol Davila
Department Name
Psihiatry
Contact Person Name
Octavian Vasiliu
Contact Person Email
abc@yahoo.com

Spain

Earliest CTIS Part Ii Submission Date
16-06-2025
Latest Decision Or Authorization Date
13-02-2026
Processing Time Days
242
Number Of Sites
3
Number Of Participants
6

Sites

Site Name
Hospital Universitari Vall D Hebron
Department Name
Psychiatry
Contact Person Name
Josep Antoni Ramos-Quiroga
Contact Person Email
jaramos@vhebron.net
Site Name
Hospital Clinic De Barcelona
Department Name
Psychiatry and Psychology
Contact Person Name
Eduard Vieta
Contact Person Email
evieta@clinic.cat
Site Name
Hospital Universitario Basurto
Department Name
Psychiatry
Contact Person Name
Ana Catalán
Contact Person Email
xxxx@xxxx.xx

Slovakia

Earliest CTIS Part Ii Submission Date
22-08-2025
Latest Decision Or Authorization Date
09-03-2026
Processing Time Days
199
Number Of Sites
3
Number Of Participants
5

Sites

Site Name
Crystal Comfort s.r.o.
Department Name
Psychiatry
Contact Person Name
Dagmar Breznoscakova
Contact Person Email
tkraviarova@gmail.com
Site Name
Epamed s.r.o.
Department Name
Psychiatry
Contact Person Name
Eva Palova
Contact Person Email
epamed.ke@gmail.com
Site Name
Univerzitna nemocnica L. Pasteura Kosice
Department Name
Psychiatry
Contact Person Name
Slavka Dubinska
Contact Person Email
slavka.dubinska@unlp.sk

Italy

Earliest CTIS Part Ii Submission Date
24-04-2026
Latest Decision Or Authorization Date
14-05-2026
Processing Time Days
20
Number Of Sites
5
Number Of Participants
12

Sites

Site Name
Azienda Ospedaliero-Universitaria Senese
Department Name
U.O.C. Psichiatria
Contact Person Name
Andrea Fagiolini
Contact Person Email
andrea.fagiolini@unisi.it
Site Name
Azienda Ospedaliero Universitaria Delle Marche
Department Name
Clinica Psichiatrica
Contact Person Name
Umberto Volpe
Contact Person Email
u.volpe@staff.univpm.it
Site Name
Azienda Ospedaliero Universitaria Pisana
Department Name
UO Psichiatria 2
Contact Person Name
Giulio Perugi
Contact Person Email
giulio.perugi@unipi.it
Site Name
IRCCS Azienda Ospedaliera Metropolitana
Department Name
Clinica Psichiatrica
Contact Person Name
Gianluca Serafini
Contact Person Email
Gianluca.Serafini@unige.it
Site Name
Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
Department Name
SC Psichiatria
Contact Person Name
Paolo Brambilla

Poland

Earliest CTIS Part Ii Submission Date
01-08-2025
Latest Decision Or Authorization Date
20-03-2026
Processing Time Days
231
Number Of Sites
6
Number Of Participants
34

Sites

Site Name
Instytut Psychiatrii I Neurologii
Department Name
III Klinika Psychiatryczna
Contact Person Name
Adam Wichniak
Contact Person Email
wichniak@ipin.edu.pl
Site Name
Centrum Medyczne Hcp Sp. z o.o.
Department Name
Oddzial Dzienny Psychiatryczny
Contact Person Name
Sylwia Szymkowiak
Contact Person Email
sylwia.szymkowiak@cmhcp.pl
Site Name
Uniwersytecki Szpital Kliniczny W Bialymstoku
Department Name
Klinika Psychiatry
Contact Person Name
Napoleon Waszkiewicz
Contact Person Email
napwas@wp.pl
Site Name
Uniwersyteckie Centrum Kliniczne
Department Name
Klinika Psychiatryi Dorosłych
Contact Person Name
Wieslaw Jerzy Cubala
Contact Person Email
cubala@gumed.edu.pl
Site Name
NZOZ Prywatna Klinika Psychiatryczna INVENTIVA
Contact Person Name
Sylwester Strzelec
Site Name
M2M Med. Sp. z o.o. Sp. j.
Department Name
Oddział w Rybniku
Contact Person Name
Wojciech Eysymontt
Contact Person Email
w.eysymontt@m2m-badania.pl

Sponsor

Primary sponsor

Full Name
Bristol-Myers Squibb Services Unlimited Company
Organisation Type
Pharmaceutical company
Country Of Registered Address
Ireland

Contract research organisations

Name
Syneos Health Clinique Inc.
Responsibilities
PK Analysis
Name
EndPoint Clinical Inc.
Responsibilities
Subject Number Assignment, Treatment/Arm Assignment, Drug (re) Supplies Assignment
Name
Iqvia Inc.
Responsibilities
Managing site payments
Name
WCG Clinical Inc.
Responsibilities
COA licensing and translations, Rater training
Name
Medidata Solutions Inc.
Responsibilities
6

Third parties

  • {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"Central Lab, Clinical chemistry,haematology and microbiology","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"WCG Clinical Inc.","duties_or_roles":"COA licensing and translations, Rater training","organisation_type":"Pharmaceutical company"}
  • {"country":"Switzerland","full_name":"Labcorp Central Laboratory Services SARL","duties_or_roles":"Central Lab, Clinical chemistry,haematology and microbiology","organisation_type":"Pharmaceutical company"}
  • {"country":"India","full_name":"Accenture Solutions Private Limited","duties_or_roles":"submission administrative support","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"6","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"PK Analysis","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"India","full_name":"Accenture Solutions Private Limited","duties_or_roles":"Pharmacovigilance duties: Medical review and Cases Data Entry","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Provides electronic payments, travel arrangements,electronic study-related comunications to patients","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"India","full_name":"Accenture Solutions Private Limited","duties_or_roles":"Embarc operations","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Iqvia Inc.","duties_or_roles":"Managing site payments","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Signant Health Global LLC","duties_or_roles":"eCOA rater station development, eCOA data review, PRO/COA licensing and translations; Rater training","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"EndPoint Clinical Inc.","duties_or_roles":"Subject Number Assignment, Treatment/Arm Assignment, Drug (re) Supplies Assignment","organisation_type":"Health care"}
  • {"country":"India","full_name":"Accenture Solutions Private Limited","duties_or_roles":"PK Analysis","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Azenta US Inc.","duties_or_roles":"Sample storage for Biomarker and PK samples","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
KarXT
Active Substance
trospium chloride, xanomeline tartrate
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Authorised (prodAuthStatus=1)
Combination Treatment
Yes

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