Platelet function testing in outpatients after heart transplantation on aspirin therapy

2025-521699-71-01 Therapeutic use (Phase IV) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Authorised, recruitment pending
Participants planned 100
Countries 1
Sites 1

Patients who have undergone heart transplantation.

To assess the prevalence of aspirin resistance in patients 12 to 18 months after heart transplantation.

Key facts

Sponsor
Medical University Of Vienna
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Cardiovascular Diseases [C14], Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Anesthesia and Analgesia [E03]
Decision date (initial)
2026-05-25
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No
Funding sources
Department of Anaesthesia, Intensive Care Medicine and Pain Medicine

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy

To assess the prevalence of aspirin resistance in patients 12 to 18 months after heart transplantation.

Secondary objectives 1

  1. To assess the correlation of aspirin resistance and risk factors which are described to be associated with aspirin resistance • To assess the comparability of POC platelet aggregation tests

Conditions and MedDRA coding

Patients who have undergone heart transplantation.

Regulatory references

Plan to share IPD
No
EU CT numberTitleSponsor
2025-521699-71-00 Platelet function testing in outpatients after heart transplantation on aspirin therapy Medical University Of Vienna

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 3

  1. Patients between 18 and 99 years of age
  2. Patients who are on aspirin therapy
  3. Patients who had their heart transplantation 12 to 18 months prior to the date of study inclusion

Exclusion criteria 3

  1. Patients with a platelet count lower than 100,000 /µL
  2. Patients who are pregnant
  3. Patients who are breast feeding

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Prescence of Aspirin resistance (defined via Multiplate® ASPI test)

Secondary endpoints 3

  1. Innovance® PFA-200 System Analyzer
  2. VerifyNow®
  3. Age, sex, BMI, active smoker, diabetes mellitus, hypertension, periods of rejection, cardiovascular events/stroke since heart transplantation, C-reactive protein (CRP), neoplasia, ICU stay after heart transplantation, CMV infection, physical activity, HDL-Cholesterol, LDL-Cholesterol, cholesterol, triglyceride

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Thrombo ASS 100 mg-Filmtabletten

PRD2842563 · Product

Active substance
Acetylsalicylic Acid
Substance synonyms
ASPIRIN, ACETYLSALICYLIC ACID (ASA), ACIDUM ACETYLSALICYLICUM
Pharmaceutical form
GASTRO-RESISTANT TABLET
Route of administration
ORAL USE
Max daily dose
100 mg milligram(s)
Max total dose
100 mg milligram(s)
Max treatment duration
100 Day(s)
Authorisation status
Authorised
ATC code
B01AC06 — ACETYLSALICYLIC ACID
Marketing authorisation
1-19830
MA holder
G.L. PHARMA GMBH
MA country
Austria
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Medical University Of Vienna

Sponsor organisation
Medical University Of Vienna
Address
Spitalgasse 23, Alsergrund Alsergrund
City
Vienna
Postcode
1090
Country
Austria

Scientific contact point

Organisation
Medical University Of Vienna
Contact name
Division of Cardiothoracic and Vascular Anesthesia and Intensive Care Medicine

Public contact point

Organisation
Medical University Of Vienna
Contact name
Division of Cardiothoracic and Vascular Anesthesia and Intensive Care Medicine

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Austria Authorised, recruitment pending 100 1
Rest of world 0

Investigational sites

Austria

1 site · Authorised, recruitment pending
Medical University Of Vienna
Division of Cardiothoracic and Vascular Anesthesia and Intensive Care Medicine, Waehringer Guertel 18-20, Alsergrund, Vienna

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 13 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol EU CT 2025-521699-71-00 redacted 6
Protocol (for publication) D1_Protocol EU CT 2025-521699-71-01 3
Protocol (for publication) D1_Protocol EU CT 2025-521699-71-01 redacted 3
Protocol (for publication) D1_Protocol EU CT 2025-521699-71-01_redacted 2
Protocol (for publication) D1_Protocol EU CT 2025-521699-71-01_tc 3
Recruitment arrangements (for publication) K1_Recruitement arrangements_redacted 1
Subject information and informed consent form (for publication) L1_SIS and ICF 2
Subject information and informed consent form (for publication) L1_SIS and ICF redacted 7
Subject information and informed consent form (for publication) L1_SIS and ICF_tc 2
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC Thrombo ASS 1
Synopsis of the protocol (for publication) D1 _Protocol synopsis MS de 2025-521699-71-00 1
Synopsis of the protocol (for publication) D1 _Protocol synopsis MS de 2025-521699-71-01 2
Synopsis of the protocol (for publication) D1 _Protocol synopsis MS de 2025-521699-71-01_tc 2

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2026-02-04 Austria Acceptable
2026-04-30
2026-05-25