Clinical trial • Phase II • Immunology|Neurology

BORTEZOMIB for Autoimmune encephalitis|Autoantibody-positive autoimmune encephalitis

Phase II trial of BORTEZOMIB for Autoimmune encephalitis|Autoantibody-positive autoimmune encephalitis.

Overview

Trial Therapeutic Area
Immunology|Neurology
Trial Disease
Autoimmune encephalitis|Autoantibody-positive autoimmune encephalitis
Trial Stage
Phase II
Drug Modality
Small molecule|Other

Key dates

Initial CTIS Submission Date
12-06-2024
First CTIS Authorization Date
27-06-2024

Trial design

Randomised, saline (placebo) — solution for injection (saline). no dose or schedule for the comparator explicitly specified in the available data.-controlled Phase II trial in Germany.

Randomised
Yes
Comparator
Saline (placebo) — solution for injection (SALINE). No dose or schedule for the comparator explicitly specified in the available data.
Target Sample Size
50
Trial Duration For Participant
119

Eligibility

Recruits 50 Vulnerable population selected. Consent may be provided by the patient or, if the patient cannot write for motor reasons, by the patient "under witness"; alternatively consent may be provided by the legal representative (guardian) or the authorized representative. Specific subject information and informed consent forms for patient and representative are listed in the trial documents..

Pregnancy Exclusion
Potentially fertile patient (up to 2 years after menopause): negative pregnancy test
Vulnerable Population
Vulnerable population selected. Consent may be provided by the patient or, if the patient cannot write for motor reasons, by the patient "under witness"; alternatively consent may be provided by the legal representative (guardian) or the authorized representative. Specific subject information and informed consent forms for patient and representative are listed in the trial documents.

Inclusion criteria

  • {"criterion_text":"- Clinically diagnosed severe autoimmune encephalitis (defined as mRS ≥ 3)\n- Autoantibodies against neuronal surface proteins in cerebrospinal fluid or serum serum, detection must not be older than 4 weeks, calculated before randomization\n- Pre-treatment with rituximab\n- Age ≥ 18 years\n- Written informed consent of the patient or the patient “under witness” (if the patient cannot write for motor reasons) cannot write themselves) or the legal representative (=guardian) or the authorized representative\n- Potentially fertile patient (up to 2 years after menopause): negative pregnancy test"}

Exclusion criteria

  • {"criterion_text":"- Lactation\n- Acute infiltrative lung disease\n- Acute infiltrative pericardial disease\n- Malignant tumor under ongoing or newly started chemotherapy\n- Concurrent participation in another intervention study\n- Previous participation in this study\n- Known hypersensitivity to any ingredient of the investigational product\n- Continued therapy with glucocorticoids/rituximab during the duration of the study (last administration must be completed before first administration of investigational product)"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- mRS 17 weeks after first administration of the investigational product","definition_or_measurement_approach":"Modified Rankin Scale (mRS) score assessed 17 weeks after first administration of the investigational product"}

Secondary endpoints

  • {"endpoint_text":"- mRS and GCS 3, 6, 9 and 13 weeks after first administration of the investigational product; GCS 17 weeks after first administration of the investigational product","definition_or_measurement_approach":"Modified Rankin Scale (mRS) and Glasgow Coma Scale (GCS) assessed at 3, 6, 9, 13 weeks; GCS also at 17 weeks after first administration"}
  • {"endpoint_text":"- Length of stay in hospital/intensive care unit","definition_or_measurement_approach":"Duration of hospital and/or intensive care unit stay measured during the study period"}
  • {"endpoint_text":"- Antibody titers and destruction markers (in serum and cerebrospinal fluid), cellular immune response (FACS, in cerebrospinal fluid) at the baseline visit and 17 weeks after first administration of the investigational product","definition_or_measurement_approach":"Laboratory measurement of antibody titers and destruction markers in serum and CSF; cellular immune response by FACS in CSF at baseline and 17 weeks"}
  • {"endpoint_text":"- Neurocognitive function (MoCA, MMST, VLMT and NPI) at the baseline visit and 17 weeks after the first visit and 17 weeks after first administration of the investigational product","definition_or_measurement_approach":"Neurocognitive assessments using MoCA, MMST, VLMT and NPI at baseline and 17 weeks after first administration"}
  • {"endpoint_text":"- Number of all (serious) adverse events within 17 weeks after the first 17 weeks after first administration of the investigational product","definition_or_measurement_approach":"Count and classification of adverse events (including serious adverse events) occurring within 17 weeks after first administration"}
  • {"endpoint_text":"- Bortezomib safety with regard to polyneuropathy, increase in liver enzymes liver enzymes, hematotoxicity, gastrointestinal toxicity and secondary infections.","definition_or_measurement_approach":"Safety monitoring for polyneuropathy, liver enzyme elevations, hematotoxicity, GI toxicity and secondary infections as reported and graded during the study"}

Recruitment

Planned Sample Size
50
Recruitment Window Months
20
Consent Approach
Written informed consent required from the patient. If the patient cannot write for motor reasons, consent may be provided 'under witness'. Consent may alternatively be provided by the legal representative (guardian) or an authorized representative. Separate subject information and informed consent forms for patient and representative are included among trial documents. Languages of the consent documents are not specified in the available data.

Geography

Total Number Of Sites
17
Total Number Of Participants
50

Germany

Earliest CTIS Part Ii Submission Date
31-05-2024
Latest Decision Or Authorization Date
08-10-2025
Processing Time Days
495
Number Of Sites
17
Number Of Participants
50

Sites

Site Name
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
Department Name
Clinic for Neurology
Contact Person Name
Stefan Bittner
Contact Person Email
bittner@uni-mainz.de
Site Name
Universitaetsklinikum Schleswig-Holstein AöR
Department Name
Clinic for Neurology
Contact Person Name
Frank Leypoldt
Contact Person Email
frank.leypoldt@uksh.de
Site Name
Ruhr University
Department Name
Clinic for Neurology
Contact Person Name
Ilya Ayzenberg
Contact Person Email
Ilya.Ayzenberg@rub.de
Site Name
Universitaetsmedizin Goettingen
Department Name
Clinic for Neurology
Contact Person Name
Dirk Fitzner
Site Name
Universitaetsklinikum Duesseldorf AöR
Department Name
Clinic for Neurology
Contact Person Name
Nico Melzer
Site Name
Universitaetsklinikum Wuerzburg AöR
Department Name
Clinic for Neurology
Contact Person Name
Claudia Sommer
Contact Person Email
sommer_c@ukw.de
Site Name
Klinikum der Universitaet Muenchen AöR
Department Name
Clinic for Neurology
Contact Person Name
Tania Kuempfel
Site Name
Universitaetsmedizin Greifswald KöR
Department Name
Clinic for Neurology
Contact Person Name
Bernadette Gaida
Site Name
Universitaetsklinikum Jena KöR
Department Name
Clinic for Neurology
Contact Person Name
Christian Geis
Contact Person Email
christian.geis@med.uni-jena.de
Site Name
Universitaetsklinikum Erlangen AöR
Department Name
Clinic for Neurology
Contact Person Name
Veit Rothhammer
Contact Person Email
Veit.Rothhammer@uk-erlangen.de
Site Name
Medizinische Hochschule Hannover
Department Name
Clinic for Neurology
Contact Person Name
Kurt-Wolfram Suehs
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Clinic for Neurology
Contact Person Name
Harald Pruess
Contact Person Email
harald.pruess@charite.de
Site Name
Universitaetsklinikum Frankfurt AöR
Department Name
Clinic for Neurology
Contact Person Name
Felix Rosenow
Contact Person Email
rosenow@med.uni-frankfurt.de
Site Name
Universitaetsklinikum Ulm AöR
Department Name
Clinic for Neurology
Contact Person Name
Jan Lewerenz
Contact Person Email
Jan.Lewerenz@uniklinik-ulm.de
Site Name
Universitaet Leipzig
Department Name
Clinic for Neurology
Contact Person Name
Florian Then Bergh
Site Name
Universitaetsklinikum Essen AöR
Department Name
Clinic for Neurology
Contact Person Name
Carlos Quesada
Contact Person Email
Carlos.Quesada@uk-essen.de
Site Name
Universitaet Muenster
Department Name
Clinic for Neurology
Contact Person Name
Stjepana Kovac
Contact Person Email
stjepana.kovac@ukmuenster.de

Sponsor

Primary sponsor

Full Name
Friedrich-Schiller-Universitaet Jena
Organisation Type
Educational Institution
Country Of Registered Address
Germany

Investigational products

Investigational Product Name
BORTEZOMIB
Active Substance
BORTEZOMIB
Modality
Small molecule
Routes Of Administration
PERCUTANEOUS USE
Route
PERCUTANEOUS USE
Maximum Dose
1.3 mg/m2
Investigational Product Name
SALINE
Active Substance
SALINE
Modality
Other
Routes Of Administration
PERCUTANEOUS USE
Route
PERCUTANEOUS USE

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