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A Study to Test How Well BAY 3670549 Works and How Safe it is in Patients With Atrial Fibrillation (CARDIOVERT)

19 de octubre de 2026 actualizado por: Bayer

A Placebo-controlled, Parallel-group, Double Blind, Randomized, Multi-cohort Phase 2 Study to Investigate Efficacy, Safety, Tolerability, Pharmacodynamics and Pharmacokinetics of BAY 3670549 in Adult Participants With Atrial Fibrillation.

The main goal of this study is to find out how well BAY 3670549 works, how safe it is, how well people can tolerate it, and how the body handles the medicine. The study will compare BAY 3670549 to a placebo (a dummy treatment with no active medicine) in people with AF who need a treatment called electrical cardioversion.

Electrical cardioversion is a procedure that helps the heart return to a normal rhythm. In this study, each participant will get a single intravenous (IV) infusion of either BAY 3670549 or a placebo. Participants will then be observed to see whether the heart rhythm returns to a normal rhythm. If it does not, electrical cardioversion can still be performed as planned. The study will look at how many participants return from AF to a normal rhythm, without needing electrical cardioversion and how long it takes. It will also show how many participants experience medical problems after treatment and how BAY 3670549 move into, through and out of the participants' body.

The total duration of the study for an individual participant may be up two months.

The findings from this study may contribute to the development of a new treatment option for people with AF.

Descripción general del estudio

Estado

Reclutamiento

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Estimado)

360

Fase

  • Fase 2

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

Ubicaciones de estudio

    • Lower Saxony
      • Hanover, Lower Saxony, Alemania, 30625
        • Aún no reclutando
        • Medizinische Hochschule Hannover|Kardiologie und Angiologie
    • North Rhine-Westphalia
      • Bad Oeynhausen, North Rhine-Westphalia, Alemania, 32545
        • Aún no reclutando
        • Herz-und Diabeteszentrum NRW|Elektrophysiologie/Rhythmologie
    • Thuringia
      • Altenburg, Thuringia, Alemania, 04600
        • Reclutamiento
        • Klinikum Altenburger Land GmbH-Klinik für Kardiologie, Pneumologie und Internistische Intensivmedizin
    • Plovdiv Province
      • Plovdiv, Plovdiv Province, Bulgaria, 4001
        • Aún no reclutando
        • University Multiprofile Hospital For Active Treatment Sveti Georgi' - EAD Department of Intensive Cardiology"
    • Sofia City Province
      • Sofia, Sofia City Province, Bulgaria, 1233
        • Aún no reclutando
        • Multiprofile Hospital for Active Treatment Knyaginya Klementina Sofia EAD | Cardiology Department
      • Sofia, Sofia City Province, Bulgaria, 1527
        • Reclutamiento
        • University Hospital for Active Treatment Tsaritsa Joanna - ISUL | Cardiology Clinic
    • Veliko Tarnovo Province
      • Veliko Tarnovo, Veliko Tarnovo Province, Bulgaria, 5000
        • Reclutamiento
        • Multiprofile Hospital for Active Treatment Dr. Stefan Cherkezov | Base 1 - Cardiology Department
    • Flemish Brabant
      • Leuven, Flemish Brabant, Bélgica, 3000
        • Reclutamiento
        • UZ Leuven Gasthuisberg - Cardiology diseases department
    • Limburg
      • Hasselt, Limburg, Bélgica, 3500
        • Aún no reclutando
        • Jessa Ziekenhuis | Hartcentrum Hasselt
    • West Flanders
      • Roeselare, West Flanders, Bélgica, 8800
        • Aún no reclutando
        • AZ Delta | Clinical Trial Center - Cardiology
    • California
      • San Francisco, California, Estados Unidos, 94143
        • Retirado
        • UCSF Advanced Heart Failure Comprehensive Care Center
    • Colorado
      • Aurora, Colorado, Estados Unidos, 80045
        • Aún no reclutando
        • UCHealth University of Colorado Hospital - Cardiology
    • Massachusetts
      • Boston, Massachusetts, Estados Unidos, 02114
        • Aún no reclutando
        • Massachusetts General Hospital - Cardiology
    • Michigan
      • Detroit, Michigan, Estados Unidos, 48202
        • Reclutamiento
        • Henry Ford Hospital - Cardiology
    • Minnesota
      • Maplewood, Minnesota, Estados Unidos, 55109
        • Retirado
        • M Health Fairview Heart Clinic - Maplewood
    • North Carolina
      • Durham, North Carolina, Estados Unidos, 27704
        • Aún no reclutando
        • Duke University Hospital - Cardiology
    • Texas
      • Fort Worth, Texas, Estados Unidos, 76104
        • Aún no reclutando
        • Texas Health Heart and Vascular Specialists - Fort Worth
      • Tyler, Texas, Estados Unidos, 75701
        • Aún no reclutando
        • CHRISTUS Trinity | Mother Frances Louis and Peaches Owen Heart Hospital - Electrophysiology Clinic
      • Budapest, Hungría, 1122
        • Reclutamiento
        • Semmelweis Egyetem, Varosmajori Sziv- és Ergyogyaszati Klinika
    • Tolna County
      • Szekszárd, Tolna County, Hungría, 7100
        • Aún no reclutando
        • Tolna Vármegyei Balassa János Kórház - I. Belgyógyászati Osztály: Kardiológia, Nefrológia
    • Apulia
      • Acquaviva delle Fonti, Apulia, Italia, 70021
        • Reclutamiento
        • Ente Ecclesiastico Ospedale Generale Regionale Miulli - Cardiologia e UTIC
    • Lazio
      • Rome, Lazio, Italia, 00161
        • Aún no reclutando
        • Azienda Ospedaliero-Universitaria Policlinico Umberto I - Malattie Cardiovascolari
    • Lombardy
      • Milan, Lombardy, Italia, 20138
        • Reclutamiento
        • Centro Cardiologico Monzino S.p.A. - UO Scompenso e Cardiologia Clinica
    • The Marches
      • Torrette, The Marches, Italia, 60126
        • Aún no reclutando
        • Azienda Ospedaliero Universitaria Delle Marche - Clinica di Cardiologia e Aritmologia
      • Groningen, Países Bajos, 9713 GZ
        • Aún no reclutando
        • Universitair Medisch Centrum Groningen
    • Limburg
      • Maastricht, Limburg, Países Bajos, 6229 HX
        • Aún no reclutando
        • Maastricht UMC
    • Lesser Poland Voivodeship
      • Chrzanów, Lesser Poland Voivodeship, Polonia, 32-500
        • Aún no reclutando
        • American Heart of Poland S.A. - MCSN, PAKS w Chrzanowie - Oddział Intensywnej Opieki Kardiologicznej
    • Lublin Voivodeship
      • Lublin, Lublin Voivodeship, Polonia, 20-090
        • Aún no reclutando
        • USK nr 4 w Lublinie - Kliniczny Odd. Kardiologii, Reh. Kardio., Ch. Wew. z Pododdzialem Intensywnej Opieki Kardio.
    • Masovian Voivodeship
      • Grodzisk Mazowiecki, Masovian Voivodeship, Polonia, 05-825
        • Reclutamiento
        • Samodzielny Publiczny Specjalistyczny Szpital Zachodni im. sw. Jana Pawla II
    • Silesian Voivodeship
      • Bielsko-Biala, Silesian Voivodeship, Polonia, 43-316
        • Aún no reclutando
        • American Heart of Poland S.A. - PAKS Centrum Kardiologii i Kardiochirurgii w Bielsku-Białej - Oddział Kardiologii

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

18 años a 85 años (Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • Participant must be 18 to 85 years of age inclusive, at the time of signing the informed consent.
  • Participant is hemodynamically stable and does not require emergency cardioversion, as determined by the investigator.
  • Participant has a current episode of atrial fibrillation (AF) ongoing for at least 3 hours and no more than 30 days at the time of randomization.
  • Participant has an indication for electrical cardioversion of AF, as determined by the investigator according to standard clinical practice and national/institutional guidelines.
  • At randomization, successful initiation and achievement of therapeutic levels of anticoagulation therapy, as well as completion of imaging evaluation for left atrial thrombi, as appropriate for the duration of the AF episode and risk for the participant according to national guideline and institution-specific routine practice.
  • BMI within range [18 - 39.9] kg/m2.
  • Contraceptive use by participants or participant partners should be consistent with the study protocol and local regulations regarding the methods of contraception for those participating in clinical studies.
  • Signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol
  • Willing and able to comply with the receipt, home use, and return of the continuous ECG recording device, as well as with the participation in scheduled telephone follow-up assessments.

Exclusion Criteria:

  • Current atrial flutter (AFL) or combined AF/AFL

  • Contraindication for electrical cardioversion on planned treatment day

  • Documented severely dilated left atrium (left atrial diameter, LAD >5 cm) measured by any modality within the 6 months prior to screening; if several values are available, the most recent one shall be reported. If left atrium diameter was not measured in the last 6 months or a major cardiovascular event occurred within the last 6 months, a new measurement must be done at screening

  • Unsuccessful conversion of current AF episode (pharmacologically or electrically)

  • Known severe valvular heart disease (e.g., severe mitral regurgitation, severe aortic stenosis)

  • Patients with NYHA Class ≥ III heart failure, or with active management of acute heart failure decompensation on treatment day.

  • History within the preceding 3 months prior to randomization of any of the following events, or any other significant cardiovascular event as judged by the investigator:

    • Stroke
    • Myocardial infarction
    • Unstable angina pectoris or other signs of myocardial ischemia
    • Cardiac surgery
    • Transcatheter valve replacement
    • Percutaneous coronary intervention (PCI)
    • Coronary artery bypass graft (CABG) or other revascularization procedure
  • Severe renal impairment, i.e., estimated glomerular filtration rate (eGFR) <30 mL/min/1.73m² (using CKD-EPI formula) or requiring dialysis

  • Severe hepatic impairment, i.e. Child Pugh Class C

  • Use of anti-arrhythmic class I or III drugs within 5 half-lives before study drug administration (oral amiodarone in the previous 3 months)

  • Hypertension with SBP ≥ 180 mmHg or hypotension (SBP < 90 mmHg) at randomization (based on the second BP measurement)

  • Stressor-associated AF, i.e., in the setting of an acute and reversible stressor (e.g., cardiac surgery, myocarditis, endocarditis, sepsis, pneumonia, etc.). This includes ablation procedure within the preceding one month prior to randomization.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Doble

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador de placebos: Placebo

intravenous (IV) treatment

Experimental: BAY 3670549

intravenous (IV) treatment

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Number of Participants with conversion from atrial fibrillation (AF) to sinus rhythm (SR), sustained for ≥1 minute, within 3 hours after start of study intervention administration, and prior to use of rescue therapy or other SoC for cardioversion
Periodo de tiempo: Up to 3 hours after start of administration of study intervention

AF = atrial fibrillation ; SR = sinus rhythm ; SoC = Standard of Care;

Up to 3 hours after start of administration of study intervention

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Number of Participants who experienced Treatment Emergent Adverse Events (TEAE)s
Periodo de tiempo: From pre-dose* up to 48 hours after start of administration of study intervention

TEAE = Treatment Emergent Adverse Events; *Pre-dose: Within 4 hours prior to study intervention administration

From pre-dose* up to 48 hours after start of administration of study intervention
Time to conversion from AF to SR as defined in the primary endpoint
Periodo de tiempo: Up to 3 hours after start of administration of study intervention

AF = atrial fibrillation SR = sinus rhythm;

Up to 3 hours after start of administration of study intervention
Number of Participants in SR, at 3 hours after start of study intervention administration without prior use of rescue therapy or other SoC for cardioversion
Periodo de tiempo: Up to 3 hours after start of administration of study intervention

SoC = Standard of Care;

Up to 3 hours after start of administration of study intervention
Plasma concentration of BAY 3670549 at the end of the infusion
Periodo de tiempo: From pre-dose* up to 8 hours after start of administration of study intervention

*Pre-dose: Within 4 hours prior to study intervention administration

From pre-dose* up to 8 hours after start of administration of study intervention

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

1 de septiembre de 2026

Finalización primaria (Estimado)

16 de mayo de 2030

Finalización del estudio (Estimado)

16 de mayo de 2030

Fechas de registro del estudio

Enviado por primera vez

13 de mayo de 2026

Primero enviado que cumplió con los criterios de control de calidad

1 de junio de 2026

Publicado por primera vez (Actual)

4 de junio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

20 de octubre de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

19 de octubre de 2026

Última verificación

6 de octubre de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • 22961
  • 2025-523807-31-00 (Ctis)
  • 2025 (Subvención/contrato del NIH de EE. UU.)

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.clinicalstudydatarequest.com to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the Study sponsors section of the portal.

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

Sí

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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