Clinical trial • Phase I/II • Haematology
UROKINASE, CATALYTIC DOMAIN, FUSED WITH A SINGLE-CHAIN ANTIBODY AGAINST VON WILLEBRAND FACTOR for Immune-mediated thrombotic thrombocytopenic purpura | Thrombotic microangiopathy
Phase I/II trial of UROKINASE, CATALYTIC DOMAIN, FUSED WITH A SINGLE-CHAIN ANTIBODY AGAINST VON WILLEBRAND FACTOR for Immune-mediated thrombotic thrombocy…
Overview
- Trial Therapeutic Area
- Haematology
- Trial Disease
- Immune-mediated thrombotic thrombocytopenic purpura | Thrombotic microangiopathy
- Trial Stage
- Phase I/II
- Drug Modality
- Peptide/protein/enzyme
- Orphan Drug
- Yes
Key dates
- Initial CTIS Submission Date
- 04-11-2025
- First CTIS Authorization Date
- 06-03-2026
Trial design
None/Not specified-controlled, adaptive Phase I/II trial in France, Germany, Italy and others.
- Comparator
- None/Not specified
- Adaptive
- True - Adaptive dose escalation and expansion basket design (dose-escalation followed by expansion cohorts). Specific dose-escalation rules or interim analysis/stopping rules not provided in available documents.
- Single Multiple Or Escalation Dose Combined
- Yes
- Target Sample Size
- 30
- Trial Duration For Participant
- 90
Eligibility
Recruits 30 Vulnerable population selected. Only adults (age ≥18) are eligible and must be willing and able to provide informed consent; specific assent procedures for minors are not described..
- Pregnancy Exclusion
- Pregnant or breastfeeding
- Vulnerable Population
- Vulnerable population selected. Only adults (age ≥18) are eligible and must be willing and able to provide informed consent; specific assent procedures for minors are not described.
Inclusion criteria
- {"criterion_text":"- Adult: age ≥18 at the time of signing the informed consent form (ICF)"}
- {"criterion_text":"- Willing and able to provide informed consent and sign the ICF"}
- {"criterion_text":"- Male or female of childbearing potential must refrain from sexual intercourse or must use a contraceptive method that is highly effective (with a failure rate of <1% per year) during the trial and for at least 90 days after the last dose of trial drug"}
- {"criterion_text":"- Symptomatic acute TMA episode"}
- {"criterion_text":"- Patient accessible to follow-up"}
Exclusion criteria
- {"criterion_text":"- Diagnosis other than TMA, which could account for the findings of thrombocytopenia and hemolytic anemia (e.g., disseminated intravascular coagulation [DIC], Evans syndrome)"}
- {"criterion_text":"- Pre-existing severe medical, neurological, or psychiatric disease that would significantly confound the endpoint evaluations (Investigator judgment)"}
- {"criterion_text":"- Known hypersensitivity to any of the trial treatments or their excipients or to drugs of similar chemical classes"}
- {"criterion_text":"- Participant participating in a trial involving an investigational drug or device within the last 30 days that would impact this trial"}
- {"criterion_text":"- Participants who cannot comply with trial protocol requirements and procedures"}
- {"criterion_text":"- Severe active infection indicated by sepsis (requirement for pressors with or without positive blood cultures)"}
- {"criterion_text":"- Pregnant or breastfeeding"}
- {"criterion_text":"- History of bleeding diathesis or evidence of active abnormal bleeding within the previous 30 days"}
- {"criterion_text":"- Active internal bleeding"}
- {"criterion_text":"- Indication of symptomatic intracranial hemorrhage (sICH)"}
- {"criterion_text":"- Severe, uncontrolled hypertension (systolic blood pressure >180 mmHg or diastolic blood pressure >110 mmHg)"}
- {"criterion_text":"- Disseminated malignancy or other co-morbid illness limiting life expectancy <3 months independent of the TMA disorder"}
- {"criterion_text":"- Recent major surgery (Investigator judgment)"}
Endpoints
Primary endpoints
- {"endpoint_text":"- Treatment emergent adverse events","definition_or_measurement_approach":""}
Secondary endpoints
- {"endpoint_text":"- Time to clinical response","definition_or_measurement_approach":"Time-to-event measure (time from intervention to clinical response) as stated"}
- {"endpoint_text":"- Change in platelet count from baseline","definition_or_measurement_approach":"Change from baseline platelet count"}
- {"endpoint_text":"- Time to recovery of platelets to ≥150×10E9/L","definition_or_measurement_approach":"Time-to-event: time until platelet count reaches ≥150×10^9/L"}
- {"endpoint_text":"- Change of organ damage markers from baseline","definition_or_measurement_approach":"Change from baseline in organ damage biomarkers"}
- {"endpoint_text":"- Time to recovery of LDH to ≤2 × ULN","definition_or_measurement_approach":"Time-to-event: time until LDH ≤2 × upper limit of normal"}
- {"endpoint_text":"- Assessment or improvement (improvement of ≥1 grade in CTCAE v5.0 scale) of disease-related signs and symptoms within 90 days post intervention (by number of unique participants and by total number of AEs)","definition_or_measurement_approach":"Improvement defined as ≥1 grade improvement on CTCAE v5.0 within 90 days post intervention; reported by number of participants and total AEs"}
- {"endpoint_text":"- Number of days in the intensive care unit and the number of days hospitalized","definition_or_measurement_approach":"Count of ICU days and total hospitalization days"}
- {"endpoint_text":"- All-cause and disease-specific mortality within 90 days post-intervention","definition_or_measurement_approach":"Mortality (all-cause and disease-specific) assessed up to 90 days post-intervention"}
- {"endpoint_text":"- Plasma concentrations of TGD001, PK parameters such as Cmax, Tmax, AUC, t1/2","definition_or_measurement_approach":"Pharmacokinetic parameters: plasma concentrations and derived PK parameters (Cmax, Tmax, AUC, t1/2)"}
- {"endpoint_text":"- Development of ADA","definition_or_measurement_approach":"Assessment of anti-drug antibodies (ADA) development"}
Recruitment
- Planned Sample Size
- 30
- Recruitment Window Months
- 33
- Consent Approach
- Adults (age ≥18) must provide written informed consent; inclusion criteria require participants be willing and able to provide informed consent and sign the ICF. Subject information sheets and ICFs are provided for each country and language (documents L1_SIS and ICF for FR/DE/IT/ES available), and specific ICFs exist for pregnant participants and pregnant partners.
Geography
- Total Number Of Sites
- 4
- Total Number Of Participants
- 40
France
- Earliest CTIS Part Ii Submission Date
- 26-01-2026
- Latest Decision Or Authorization Date
- 11-03-2026
- Processing Time Days
- 44
- Number Of Sites
- 1
- Number Of Participants
- 10
Sites
- Site Name
- Hôpital Saint-Louis
- Department Name
- Hematology
- Principal Investigator Name
- Paul Coppo
- Principal Investigator Email
- Paul.coppo@aphp.fr
- Contact Person Name
- Paul Coppo
- Contact Person Email
- Paul.coppo@aphp.fr
- Number Of Participants
- 10
Germany
- Earliest CTIS Part Ii Submission Date
- 18-02-2026
- Latest Decision Or Authorization Date
- 06-03-2026
- Processing Time Days
- 16
- Number Of Sites
- 1
- Number Of Participants
- 10
Sites
- Site Name
- University Hospital Cologne
- Department Name
- Internal Medicine
- Principal Investigator Name
- Paul Brinkötter
- Principal Investigator Email
- Paul.brinkkoetter@uk-koeln.de
- Contact Person Name
- Paul Brinkötter
- Contact Person Email
- Paul.brinkkoetter@uk-koeln.de
- Number Of Participants
- 10
Italy
- Earliest CTIS Part Ii Submission Date
- 19-11-2025
- Latest Decision Or Authorization Date
- 10-03-2026
- Processing Time Days
- 111
- Number Of Sites
- 1
- Number Of Participants
- 10
Sites
- Site Name
- Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico
- Department Name
- Internal Medicine
- Principal Investigator Name
- Flora Peyvandi
- Principal Investigator Email
- flora.peyvandi@policlinico.mi.it
- Contact Person Name
- Flora Peyvandi
- Contact Person Email
- flora.peyvandi@policlinico.mi.it
- Number Of Participants
- 10
Spain
- Earliest CTIS Part Ii Submission Date
- 07-01-2026
- Latest Decision Or Authorization Date
- 09-03-2026
- Processing Time Days
- 61
- Number Of Sites
- 1
- Number Of Participants
- 10
Sites
- Site Name
- Hospital Universitario Y Politecnico La Fe
- Department Name
- Hematology
- Principal Investigator Name
- Javier De La Rubia
- Principal Investigator Email
- delarubia_jav@gva.es
- Contact Person Name
- Javier De La Rubia
- Contact Person Email
- delarubia_jav@gva.es
- Number Of Participants
- 10
Sponsor
Primary sponsor
- Full Name
- TargED Biopharmaceuticals B.V.
- Organisation Type
- Pharmaceutical company
- Country Of Registered Address
- Netherlands
Contract research organisations
- Name
- Prime Vigilance
- Responsibilities
- sponsorDuties code 8, contact info provided (phone and email)
Third parties
- {"country":"United Kingdom","full_name":"Prime Vigilance","duties_or_roles":"sponsorDuties code 8","organisation_type":"Health care"}
Investigational products
- Investigational Product Name
- TGD001
- Active Substance
- UROKINASE, CATALYTIC DOMAIN, FUSED WITH A SINGLE-CHAIN ANTIBODY AGAINST VON WILLEBRAND FACTOR
- Modality
- Peptide/protein/enzyme
- Routes Of Administration
- INTRAVENOUS
- Route
- INTRAVENOUS
- Orphan Designation
- Yes
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