Clinical trial • Phase II • Cardiology

PKN605 for Atrial fibrillation

Phase II trial of PKN605 for Atrial fibrillation. Randomised, placebo to pkn605 50 mg film-coated tablets-controlled. 124 participants.

Overview

Trial Therapeutic Area
Cardiology
Trial Disease
Atrial fibrillation
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
24-07-2025
First CTIS Authorization Date
17-11-2025

Trial design

Randomised, placebo to pkn605 50 mg film-coated tablets-controlled Phase II trial across 12 sites in Germany, Netherlands.

Randomised
Yes
Comparator
Placebo to PKN605 50 mg film-coated tablets
Target Sample Size
124
Trial Duration For Participant
169

Eligibility

Recruits 124 Vulnerable population selected (isVulnerablePopulationSelected = true). Requirement: "Signed informed consent must be obtained prior to participation in the study". Subject information and informed consent forms for adults are provided (L1_ICF documents). Participants must be > 18 years of age; no assent procedures for minors are described in the available data..

Vulnerable Population
Vulnerable population selected (isVulnerablePopulationSelected = true). Requirement: "Signed informed consent must be obtained prior to participation in the study". Subject information and informed consent forms for adults are provided (L1_ICF documents). Participants must be > 18 years of age; no assent procedures for minors are described in the available data.

Inclusion criteria

  • {"criterion_text":"- Signed informed consent must be obtained prior to participation in the study"}
  • {"criterion_text":"- Male and female participants > 18 years of age"}
  • {"criterion_text":"- History of at least 2 episodes of AF"}
  • {"criterion_text":"- At least one of the AF episodes specified in Inclusion #3 must be within the last 12 months (or during Screening) and documented by 12-lead, ECG, Holter, or any other ECG recording method, as confirmed by the Investigator"}
  • {"criterion_text":"- One or more of the following, at Screening: •\tAFB of 1% or higher on a local ambulatory Holter, mobile cardiac telemetry, ECG patch monitor, or other ambulatory electrocardiographic monitor within the last 12 months •\tCHA2DS2-VASc score of 2 or higher in males, 3 or higher in females (1 point for congestive heart failure, hypertension, age 65-74, diabetes, vascular disease, female sex; 2 points for age 75 years or older, prior stroke or transient ischemic attack) •\tStable heart failure or with New York Heart Association class I or II symptoms •\tNT-proBNP level of 300 pg/mL or higher on a local lab test within the last 12 months"}
  • {"criterion_text":"- On guideline-directed stroke prevention treatment, as confirmed by the investigator, at Screening"}
  • {"criterion_text":"- Participants must have a body mass index (BMI) >18 kg/m2. BMI is calculated as body weight (kg) divided by height in (m) squared"}
  • {"criterion_text":"- Sinus rhythm at Baseline as documented by a 12-lead ECG (participants with persistent AF should be cardioverted at least 12 hours before randomization)"}

Exclusion criteria

  • {"criterion_text":"- Permanent AF"}
  • {"criterion_text":"- Ongoing reversible causes of AF (e.g., hyperthyroidism, myocarditis, alcohol use, sepsis- or infection-related AF, surgery-related AF, pulmonary embolism)"}
  • {"criterion_text":"- Ongoing use of antiarrhythmic therapy (Vaughan Williams class l or III anti-arrhythmic therapy must be discontinued at least 7 days before Screening phase ECG patch monitor; amiodarone must be discontinued at least 6 weeks before Screening phase ECG patch monitor)"}
  • {"criterion_text":"- History of an AF ablation procedure within the last 6 months without a recurrence of AF at least 2 or more months after the ablation"}
  • {"criterion_text":"- Implanted pacemaker, defibrillator, or cardiac monitor"}
  • {"criterion_text":"- Infiltrative (e.g., amyloidosis, sarcoidosis) or hypertrophic cardiomyopathy"}
  • {"criterion_text":"- Current decompensated heart failure or hospitalization for heart failure within 3 months prior to Screening"}
  • {"criterion_text":"- Left ventricular ejection fraction of 40% or less documented within the last 12 months, or during the Screening period"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- AFB from ECG patch monitors, defined as the amount of time spent in AF as a proportion of the analyzable monitoring time","definition_or_measurement_approach":"Measured from ECG patch monitors; defined as the amount of time spent in atrial fibrillation expressed as a proportion of the analyzable monitoring time."}

Secondary endpoints

  • {"endpoint_text":"- Time (d) from the date of randomization to first AF recurrence and presence (or absence) of AF recurrence after randomization detected by ECG patch monitor, 12-lead ECG, handheld ECG, or other protocol-approved method for ascertainment","definition_or_measurement_approach":"Time to first AF recurrence in days after randomization; detection by ECG patch monitor, 12-lead ECG, handheld ECG, or other protocol-approved methods."}
  • {"endpoint_text":"- Adverse events, vital signs, 12-lead ECG parameters (including QTcF), and laboratory assessments","definition_or_measurement_approach":"Safety assessments including recording of adverse events, vital signs measurements, 12-lead ECG parameters (including QTcF) and laboratory test results."}
  • {"endpoint_text":"- PKN605 plasma concentrations; Ctrough (pre-dose), C2h, C4h","definition_or_measurement_approach":"Pharmacokinetic sampling of PKN605 plasma concentrations at specified time points: trough (pre-dose), 2 hours post-dose (C2h) and 4 hours post-dose (C4h)."}

Recruitment

Planned Sample Size
124
Recruitment Window Months
19
Consent Approach
Signed informed consent must be obtained prior to participation in the study. Adult informed consent forms are provided (documents in English, German and Dutch are listed). Participants are >18 years and thus consent is provided by the participant; no assent process for minors is described.

Geography

Total Number Of Sites
12
Total Number Of Participants
41

Germany

Earliest CTIS Part Ii Submission Date
17-10-2025
Latest Decision Or Authorization Date
19-11-2025
Processing Time Days
33
Number Of Sites
5
Number Of Participants
16

Sites

Site Name
Zentrum für klinische Studien Bad Homburg
Department Name
#3003: Zentrum für klinische Studien Bad Homburg
Contact Person Name
Seyed Yasser Saiedi Hosseini
Contact Person Email
saiedi@kpwj.de
Site Name
Asklepios Klinik St George
Department Name
#3002: Herzzentrum St. Georg Hamburg Klinik für Kardiologie und Internistische Intensivmedizin
Contact Person Name
Arian Sultan
Contact Person Email
a.sultan@asklepios.com
Site Name
Velocity Clinical Research Germany GmbH
Department Name
#3000: Velocity Clinical Research Germany GmbH
Contact Person Name
Isabelle Schenkenberger
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
#3004: Deutsches Herzzentrum der Charité
Contact Person Name
Leif-Hendrik Boldt
Site Name
University Medical Center Hamburg-Eppendorf
Department Name
#3001: Universitaeres Herz- und Gefaeßzentrum Hamburg Klinik und Poliklinik für Kardiologie
Contact Person Name
Bruno Reissmann
Contact Person Email
b.reissmann@uke.de

Netherlands

Earliest CTIS Part Ii Submission Date
17-10-2025
Latest Decision Or Authorization Date
28-11-2025
Processing Time Days
42
Number Of Sites
7
Number Of Participants
25

Sites

Site Name
Rijnstate Ziekenhuis Stichting
Department Name
4001: Cardiology
Contact Person Name
Martin Hemels
Contact Person Email
MHemels@rijnstate.nl
Site Name
Academisch Ziekenhuis Maastricht
Department Name
4006: Cardiology
Contact Person Name
Dominik Linz
Contact Person Email
dominik.linz@mumc.nl
Site Name
Admiraal De Ruyter Ziekenhuis B.V.
Department Name
4004: Cardiology
Contact Person Name
Ismail Aksoy
Contact Person Email
i.aksoy@adrz.nl
Site Name
Reinier de Graaf Groep
Department Name
4002: Cardiology
Contact Person Name
Jan Constandse
Contact Person Email
j.constandse@rdgg.nl
Site Name
Universitair Medisch Centrum Groningen
Department Name
4005: Cardiology
Contact Person Name
Michiel Rienstra
Contact Person Email
m.rienstra@umcg.nl
Site Name
Maxima Medisch Centrum
Department Name
#4003: Cardiology
Contact Person Name
Sabine Eijsbouts
Contact Person Email
sabine.eijsbouts@mmc.nl
Site Name
('Additional sites if any are listed in CTIS')

Sponsor

Primary sponsor

Full Name
Novartis Pharma AG
Organisation Type
Pharmaceutical company
Country Of Registered Address
Switzerland

Contract research organisations

Name
Parexel International (IRL) Limited
Responsibilities
sponsorDuties codes: 12
Name
IQVIA Limited
Responsibilities
sponsorDuties codes: 1, 3 (including IRT responsibilities listed separately)
Name
Icon Clinical Research Limited / Icon Clinical Research LLC
Responsibilities
sponsorDuties codes: 1; Icon LLC duties include code 15 (Cardiac Assessment)
Name
Syneos Health Inc.
Responsibilities
sponsorDuties codes: 1
Name
Veeda Clinical Research Limited
Responsibilities
sponsorDuties codes: 4
Name
Medidata Solutions Inc.
Responsibilities
sponsorDuties codes: 7
Name
Icon Laboratory Services Inc.
Responsibilities
sponsorDuties codes: 4 (laboratory services)
Name
Medical Equipment Supplies And Management Limited
Responsibilities
sponsorDuties codes: 15 (Ancillary Supplies)

Third parties

  • {"country":"Ireland","full_name":"Parexel International (IRL) Limited","duties_or_roles":"sponsorDuties codes: 12","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"sponsorDuties codes: 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"sponsorDuties codes: 1, 3","organisation_type":"Pharmaceutical company"}
  • {"country":"India","full_name":"Veeda Clinical Research Limited","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"sponsorDuties codes: 1","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Icon Clinical Research LLC","duties_or_roles":"sponsorDuties codes: 15 (Cardiac Assessment)","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited (IRT team)","duties_or_roles":"sponsorDuties codes: 3","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Medical Equipment Supplies And Management Limited","duties_or_roles":"sponsorDuties codes: 15 (Ancillary Supplies)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Icon Laboratory Services Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Syneos Health Inc.","duties_or_roles":"sponsorDuties codes: 1","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
PKN605
Active Substance
PKN605
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Investigational Product Name
Placebo to PKN605 50 mg film-coated tablets
Modality
Other

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