A study of fibrinogen concentrate (FGTW) compared to placebo in the management of bleeding in patients undergoing complex cardiac surgery

2024-512388-29-00 Protocol FGTW2101 Therapeutic confirmatory (Phase III) Ongoing, recruiting

Start 29 Nov 2022 · Status Ongoing, recruiting · 5 EU/EEA countries · 12 sites · Protocol FGTW2101

Overview

Sponsor-declared trial summary

Phase Therapeutic confirmatory (Phase III)
Status Ongoing, recruiting
Participants planned 180
Countries 5
Sites 12

Bleeding in patients undergoing complex cardiac surgery involving Cardiopulmonary bypass

The primary objective of the study is to evaluate the efficacy of FGTW in combination with Standard of care versus Placebo in combination with Standard of care in reducing the need for allogeneic transfusions during the first 24 hours after IMP administration in complex cardiac surgery patients.

Key facts

Sponsor
LFB-Biotechnologies
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Cardiovascular Diseases [C14]
Trial duration
29 Nov 2022 → ongoing
Decision date (initial)
2025-02-27
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes
Funding sources
Laboratoire français du Fractionnement et des Biotechnologies (LFB BIOTECHNOLOGIES)

External identifiers

EU CT number
2024-512388-29-00
EudraCT number
2022-001759-17

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy, Safety

The primary objective of the study is to evaluate the efficacy of FGTW in combination with Standard of care versus Placebo in combination with Standard of care in reducing the need for allogeneic transfusions during the first 24 hours after IMP administration in complex cardiac surgery patients.

Secondary objectives 1

  1. - To evaluate the efficacy associated with the use of FGTW versus Placebo in reducing the number of RBC, FFP, and platelet concentrate transfusions between 24 hours after IMP administration and the hospital discharge - To evaluate the efficacy associated with the use of FGTW versus Placebo in reducing the blood drainage volume during 12 hours after IMP administration or skin closure whichever comes last - To evaluate the number of patients with total avoidance of allogeneic transfusions after IMP administration - To evaluate the safety of FGTW - To evaluate the impact of FGTW on mortality and surgical morbidity - To evaluate the duration of hospitalization in both treatment arms - To evaluate the length of stay in ICU in both treatment arms

Conditions and MedDRA coding

Bleeding in patients undergoing complex cardiac surgery involving Cardiopulmonary bypass

VersionLevelCodeTermSystem organ class
20.0 LLT 10017501 Functional disturbances following cardiac surgery 10022117

Study design 4 periods

#TitleAllocationBlindingRoles blindedArms
1 Screening
"The patient will be considered screened after ICF signature. Once ICF signature, the screening period can be undertaken. Visit 1 will occur within a maximum of 32 days before surgery (D32 to D-1) to confirm eligibility of the patient."
Randomised Controlled None Standard of care + FGTW: The dose of FGTW will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
Standard of care + Placebo: The dummy dose for Placebo will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
2 Day of surgery and Randomization
Visit 2 will occur on the day of surgery (D1). If FIBTEM MCF is ≤10 mm during the last 20 minutes of CPB and the calculated IMP dose is ≤8 g, patients will be randomized to either Standard of care + FGTW or Standard of care + Placebo using a 1:1 allocation stratified by center and gender. They will receive one administration of up to 6 vials of IMP depending on their FIBTEM MCF results and their weight.
Randomised Controlled Double [{"id":178471,"code":2,"name":"Investigator"},{"id":178472,"code":4,"name":"Analyst"},{"id":178470,"code":3,"name":"Monitor"},{"id":178469,"code":1,"name":"Subject"}] Standard of care + FGTW: The dose of FGTW will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
Standard of care + Placebo: The dummy dose for Placebo will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
3 Postoperative period (Hospital stay)
"Visit 3 will occur on the day following surgery (D2). Visit 4 will occur 2 days after surgery (D3). Visit 5 will occur 3 days after surgery (D4). Additional visits may occur daily if the patient remains in hospital. Hospital discharge will occur at least 3 days after surgery."
Randomised Controlled Double [{"id":178477,"code":2,"name":"Investigator"},{"id":178475,"code":3,"name":"Monitor"},{"id":178474,"code":4,"name":"Analyst"},{"id":178476,"code":1,"name":"Subject"}] Standard of care + FGTW: The dose of FGTW will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
Standard of care + Placebo: The dummy dose for Placebo will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
4 Follow-up
EoS visit (either on-site or remotely) will occur at 30 +/- 4 days after the surgery (D30 +/- 4 days).
Randomised Controlled Double [{"id":178481,"code":4,"name":"Analyst"},{"id":178482,"code":1,"name":"Subject"},{"id":178479,"code":3,"name":"Monitor"},{"id":178480,"code":2,"name":"Investigator"}] Standard of care + FGTW: The dose of FGTW will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines
Standard of care + Placebo: The dummy dose for Placebo will be based on the values of FIBTEM MCF and patient’s weight and administered intravenously after CPB discontinuation and administration of protamine. The Standard of care for patient blood management in adult cardiac surgery is defined and based on the European Guidelines

Regulatory references

Scientific advice from competent authorities
Paul-Ehrlich-Institut
Plan to share IPD
No

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 8

  1. Male or female adult patients ≥18 years
  2. Patients undergoing a planned complex cardiac surgery procedure involving CPB, including reoperation and/or complex surgical procedures. Complex surgical procedures are defined as any procedure other than first time isolated coronary artery bypass grafting (CABG), single valve repair/replacement and repair of atrial septal defect (ASD). This criterion represents the main eligibility criterion and so used in the definition of the full analysis set.
  3. With a FIBTEM MCF ≤10 mm during the last 20 minutes of CPB.
  4. Patients requiring an IMP dose ≤8 g calculated with the formula based on patient's weight and the value of FIBTEM MCF
  5. Signed and dated informed consent form (ICF)
  6. Willingness to comply with all study procedures and availability for the duration of the study
  7. Covered by healthcare insurance in accordance with local requirements
  8. FIBTEM MCF ≤14 mm during the screening period prior to the surgery. FIBTEM MCF is the recommended test, for consistency with end of CPB FIBTEM MCF. Fibrinogen concentration (Clauss method) may be substituted, with fibrinogen level ≤3 g/L. Note: the objective of this criterion is to allow to screen fail patients unlikely to meet inclusion criterion #3 prior to surgery rather than at the end of CPB and reduce the patient’s and site’s constraints of continuing the screening process throughout surgery. However, a patient with a preoperative FIBTEM MCF > 14 mm (or plasma fibrinogen > 3 g/L) can, under exceptional circumstances, continue to be screened until FIBTEM MCF measurement during the last 20 minutes of CPB, if, in the investigator’s judgement, the patient is considered at high risk of clinically significant bleeding (e.g., complex multiple procedures or an expected very long duration - several hours - of CPB).

Exclusion criteria 21

  1. Heart transplantation
  2. Repair of complex congenital abnormalities
  3. Any known pulmonary, hepatic, or renal disease or any other major concomitant significant medical condition that might interfere with treatment evaluation according to the Investigator's judgment
  4. Known hypersensitivity or other severe reaction to any component of the IMP
  5. Patients at high risk of thrombotic events unable to stop prophylactic low-molecular-weight heparin (LMWH) 12 hours and fondaparinux 24 hours before surgery (longer interval in case of impaired renal function)
  6. Patients unable to stop treatment by vitamin K antagonists 3-5 days before surgery to obtain an international normalized ratio (INR) <1.5
  7. Patients unable to stop treatment by direct oral anticoagulant at least 48 hours before surgery (except aspirin)
  8. 8. Patients unable to stop treatment by P2Y12 inhibitors before surgery (discontinuation duration before surgery: ticagrelor 3 days, clopidogrel 5 days, and prasugrel 7 days)
  9. Severe anemia with hemoglobin (Hb) ≤10 g/dL
  10. Excessive hemodilution with hematocrit (Ht) <22% in men and women at the time of taking sample for FIBTEM MCF during the last 20 minutes of CPB
  11. Congenital coagulation deficiencies (von Willebrand disease, factor V Leiden, Protein C deficiency, cryoglobulinemia, antiphospholipid syndrome…)
  12. Any known thromboembolic disorder
  13. Female of reproductive potential not using effective contraception (condoms; occlusive caps with spermicide; injectable, patch, or combined oral estro-progestative or progestative contraceptives; depot intramuscular medroxyprogesterone; or subcutaneous implants of progestative contraceptive implants) for at least one month prior to screening
  14. Known pregnancy or positive blood pregnancy test for women of childbearing potential and/or breast-feeding women
  15. Participation in another clinical study involving an investigational medicinal product within 30 days prior to screening or or 5 half-lives of this investigational medicinal product, whichever is longer, or concomitantly with this study
  16. Treatment with fibrinogen concentrate or cryoprecipitate within 32 days prior to randomization
  17. Previous cardiac surgical procedure within three months before randomization
  18. Evidence or suspicion of infection (fever >38.5°C and white blood cell count >11/mm3)
  19. Active endocarditis
  20. Emergency surgery, patients in cardiogenic shock, or expected mortality within 24 hours of surgery
  21. Pre-existing thrombocytopenia with platelet count < 150 000/ mm3

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. The primary efficacy endpoint is the number of units of allogeneic blood products (RBC plus FFP plus platelet concentrate) given to patients between IMP administration and 24 hours thereafter.

Secondary endpoints 12

  1. Blood drainage volume during 12 hours after IMP administration or skin closure whichever comes last
  2. Percentage of patients with total avoidance of allogeneic transfusions during 24 hours after IMP administration
  3. Number of transfusion units infused between 24 hours after randomization and the hospital discharge for each class of allogeneic blood product (RBC, FFP, and platelet concentrate)
  4. Number of pre-donated autologous RBC concentrate units, RBC concentrate prepared by cell-saver, colloids, and crystalloids after IMP administration until hospital discharge
  5. Mortality at 24 hours, 7 days, and 30 days after IMP administration
  6. Percentage of patients with each surgical morbidity at 24 hours, 7 days, and 30 days after randomization (see Section 9.2.8)
  7. Percentage of patients with post-surgery stage 1 AKI (with increase in creatinine by >50% from baseline until hospital discharge)
  8. Percentage of patients with surgical re-exploration due to bleeding during 24 hours after IMP administration
  9. Percentage of patients with fibrinogen concentration below the LLN from visit 2 to visit 5
  10. Percentage of patients receiving aPCC/PCCs, rFVIIa, cryoprecipitate or additional FC as rescue therapy within 24 hours after randomization
  11. Duration of hospitalization
  12. Length of stay in ICU

Investigational products

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

Test 1

Human Fibrinogen

SCP12491473 · ATC

Active substance
Human Fibrinogen
Substance synonyms
FIBRINOGEN, HUMAN
Route of administration
INTRAVENIOUS INFUSION
Max daily dose
8.00 g gram(s)
Max total dose
8.00 g gram(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
B02BB01 — FIBRINOGEN, HUMAN
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Placebo 1

0.9% Sodium Chloride Solution

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
Route of administration
INFUSION
Max daily dose
8.00 g gram(s)
Max total dose
8.00 g gram(s)
Max treatment duration
1 Day(s)
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

LFB-Biotechnologies

Sponsor organisation
LFB-Biotechnologies
Address
Zone Dactivite De Courtaboeuf, 3 Avenue Des Tropiques 3 Avenue Des Tropiques
City
Les Ulis
Postcode
91940
Country
France

Scientific contact point

Organisation
LFB-Biotechnologies
Contact name
LFB Medical Information

Public contact point

Organisation
LFB-Biotechnologies
Contact name
LFB Medical Information

Third parties 4

OrganisationCity, countryDuties
Icon Clinical Research Limited
ORG-100008322
Dublin 18, Ireland On site monitoring, Code 10, Code 12, Other, Code 2, Interactive response technologies (IRT), Laboratory analysis, Code 5, Data management, Code 8, Code 9
Creapharm Bioservices
ORG-100048093
Bailly-Romainvilliers, France Other
Medidata Solutions Inc.
ORG-100016256
New York, United States E-data capture
Clinigen Clinical Supplies Management
ORG-100034422
Mont-Saint-Guibert, Belgium Other

Locations

5 EU/EEA countries · 12 investigational sites

By country

CountryMS statusPlanned subjectsSites
Czechia Ongoing, recruiting 24 3
Germany Ongoing, recruiting 16 2
Italy Ongoing, recruiting 32 3
Spain Ongoing, recruiting 16 2
Sweden Ongoing, recruiting 16 2
Rest of world
Serbia, United Kingdom, Brazil
76

Investigational sites

Czechia

3 sites · Ongoing, recruiting
Fakultni Nemocnice Hradec Kralove
NA, Sokolska 581, Novy Hradec Kralove, Hradec Kralove
Fakultni Nemocnice Motol A Homolka
NA, V Uvalu 84/1, Motol, Prague
Fakultni Nemocnice Ostrava
NA, 17. Listopadu 1790/5, Poruba, Ostrava

Germany

2 sites · Ongoing, recruiting
Martin-Luther-Universitaet Halle-Wittenberg
Klinik für Herzchirurgie, Ernst-Grube-Strasse 40, Kroellwitz, Halle (Saale)
Schuechtermann-Schiller'sche Kliniken Bad Rothenfelde GmbH & Co. KG
Department of Anaesthesiology, Ulmenallee 5-11, 49214, Bad Rothenfelde

Italy

3 sites · Ongoing, recruiting
Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere Scientifico
UOC Cardiochirurgia, Via Pietro Albertoni 15, 40138, Bologna
Policlinico San Donato S.p.A.
Unità di Anestesia e Terapia Intensiva Cardiovascolare, Piazza Edmondo Malan 2, 20097, San Donato Milanese
Ospedale San Raffaele S.r.l.
Cardiac, Thoracic, Vascular Anesthesia and Intensive Care Unit, Via Olgettina 60, 20132, Milan

Spain

2 sites · Ongoing, recruiting
Hospital Universitario De Cruces
Cardiothoracic anesthesiology department, Cruces Plaza S/n, 48903, Barakaldo
Hospital De La Santa Creu I Sant Pau
Postoperative and cardiac department, Calle De San Antonio Maria Claret 167, 08025, Barcelona

Sweden

2 sites · Ongoing, recruiting
Region Skane Skanes Universitetssjukhus
Department of Cardiothorasic Surgery, Entregatan 7, 222 42, Lund
Sahlgrenska University Hospital-Vaestra Goetalandsregionen
Department of Cardiothorasic Anaesthesiology and Intensive Care, Bla Straket 5, 413 46, Goteborg

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Czechia 2025-03-17 2025-06-09
Germany 2023-03-29 2024-12-10
Italy 2023-07-06 2024-03-05
Spain 2022-11-29 2024-04-17
Sweden 2023-02-01 2024-01-31

Results and documents

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

Documents 33 files

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

TypeTitleVersion
Protocol (for publication) D1_Protocol_2024-512388-29-00_redacted 9.0
Recruitment arrangements (for publication) K1_CZ_Recruitment Procedure_Bilingual 1.0
Recruitment arrangements (for publication) K1_DE_Recruitment Procedure 1.1
Recruitment arrangements (for publication) K1_ES_Recruitment Procedure 1.0
Recruitment arrangements (for publication) K1_IT_Recruitment Procedure 1.0
Recruitment arrangements (for publication) K1_SE_Recruitment procedure_Swedish 1.0
Subject information and informed consent form (for publication) L1_CZ_SIS-ICF_Data Privacy_Czech 2.0
Subject information and informed consent form (for publication) L1_CZ_SIS-ICF_Main_Czech_redacted 6.0
Subject information and informed consent form (for publication) L1_CZ_SIS-ICF_Scout_Czech_redacted 1.0
Subject information and informed consent form (for publication) L1_DE_SIS-ICF_Main_German_redacted 6.1
Subject information and informed consent form (for publication) L1_DE_SIS-ICF_Scout_German_redacted 4.0
Subject information and informed consent form (for publication) L1_ES_SIS-ICF_Main_Spanish 6.0
Subject information and informed consent form (for publication) L1_ES_SIS-ICF_Scout_Spanish_redacted 3.0
Subject information and informed consent form (for publication) L1_IT_SIS-ICF_Adults_Italian_redacted 6.0
Subject information and informed consent form (for publication) L1_SE_SIS-ICF_Main_Swedish 6.0
Subject information and informed consent form (for publication) L1_SE_SIS-ICF_Scout_Swedish_redacted 3.0
Subject information and informed consent form (for publication) L2_CZ_Other subject material_Patient Emergency Card_Czech 1.0
Subject information and informed consent form (for publication) L2_CZ_Other subject material_SCOUT_Email Communication_Czech 1.0
Subject information and informed consent form (for publication) L2_CZ_Other subject material_SCOUT_Study Brochure_Czech 1.0
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_FibCLOT 2
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_FibCLOT_German 2
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_FIBCLOT_Italian 2
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_FIBCLOT_Spanish 2
Summary of Product Characteristics (SmPC) (for publication) E2_SmPC_FibCLOT_Swedish 2
Synopsis of the protocol (for publication) D1_Lay Protocol Summary_2024-512388-29-00 2.0
Synopsis of the protocol (for publication) D1_Lay Protocol Summary_2024-512388-29-00_Czech 2.0
Synopsis of the protocol (for publication) D1_Lay Protocol Summary_2024-512388-29-00_Italian 2.0
Synopsis of the protocol (for publication) D1_Lay Protocol Summary_2024-512388-29-00_Spanish 2.0
Synopsis of the protocol (for publication) D1_Lay Protocol Summary_2024-512388-29-00_Swedish 2.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_2024-512388-29-00_Czech_redacted 9.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_2024-512388-29-00_Italian_redacted 9.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_2024-512388-29-00_redacted 9.0
Synopsis of the protocol (for publication) D1_Protocol synopsis_2024-512388-29-00_Spanish_redacted 9.0

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-04-19 Germany Acceptable
2024-05-10
2024-05-10
2 SUBSTANTIAL MODIFICATION SM-1 2024-08-08 Germany Acceptable
2024-10-14
2024-10-17
3 SUBSEQUENT ADDITION OF MSC APP-3 2024-11-20 2025-02-27
4 SUBSTANTIAL MODIFICATION SM-2 2024-11-25 Acceptable 2025-01-13
5 SUBSTANTIAL MODIFICATION SM-3 2024-11-26 Germany Acceptable 2024-12-10
6 SUBSTANTIAL MODIFICATION SM-4 2025-01-27 Acceptable 2025-03-14
7 SUBSTANTIAL MODIFICATION SM-5 2025-06-19 Germany Acceptable
2025-09-11
2025-09-11
8 NON SUBSTANTIAL MODIFICATION NSM-1 2025-10-01 Acceptable
2025-09-11
2025-10-01
9 NON SUBSTANTIAL MODIFICATION NSM-2 2025-10-14 Acceptable
2025-09-11
2025-10-14
10 NON SUBSTANTIAL MODIFICATION NSM-3 2026-02-05 Acceptable
2025-09-11
2026-02-05
11 NON SUBSTANTIAL MODIFICATION NSM-4 2026-03-26 Germany Acceptable
2025-09-11
2026-03-26