Clinical trial • Phase III • Immunology

HUMAN NORMAL IMMUNOGLOBULIN for Hypogammaglobulinemia | Autoimmune disease | Rheumatic disease

Phase III trial of HUMAN NORMAL IMMUNOGLOBULIN for Hypogammaglobulinemia | Autoimmune disease | Rheumatic disease.

Overview

Trial Therapeutic Area
Immunology
Trial Disease
Hypogammaglobulinemia | Autoimmune disease | Rheumatic disease
Trial Stage
Phase III
Drug Modality
Other antibody

Key dates

Initial CTIS Submission Date
21-01-2026
First CTIS Authorization Date
11-05-2026

Trial design

Randomised, panzyga (panzyga 100 mg/ml solution for infusion; active substance: human normal immunoglobulin) versus placebo (isotone kochsalz-lösung 0,9 % braun infusionslösung). route: intravenous. dosing units provided: millilitre(s)/kilogram; max daily amount 4 (ml/kg); max total amount 52 (ml/kg).-controlled Phase III trial in Bulgaria, Germany, Greece and others.

Randomised
Yes
Comparator
Panzyga (Panzyga 100 mg/ml solution for infusion; active substance: human normal immunoglobulin) versus placebo (Isotone Kochsalz-Lösung 0,9 % Braun Infusionslösung). Route: intravenous. Dosing units provided: millilitre(s)/kilogram; max daily amount 4 (ml/kg); max total amount 52 (ml/kg).
Target Sample Size
195

Eligibility

Recruits 195 The trial flags vulnerable population selection (isVulnerablePopulationSelected: true). All participants must be ≥18 years and provide voluntary written informed consent. Exclusion criteria specify exclusion of subjects "unable to cooperate because of a language problem or poor mental development, in the opinion of the Investigator". Subject information and informed consent forms (ICFs) and related materials are provided (multiple ICF documents listed in different languages and ICF addenda), and there are specific ICFs for pregnant participants and caregiver/partner ICFs in some country-specific document sets..

Pregnancy Exclusion
16. If female, are pregnant or lactating
Vulnerable Population
The trial flags vulnerable population selection (isVulnerablePopulationSelected: true). All participants must be ≥18 years and provide voluntary written informed consent. Exclusion criteria specify exclusion of subjects "unable to cooperate because of a language problem or poor mental development, in the opinion of the Investigator". Subject information and informed consent forms (ICFs) and related materials are provided (multiple ICF documents listed in different languages and ICF addenda), and there are specific ICFs for pregnant participants and caregiver/partner ICFs in some country-specific document sets.

Inclusion criteria

  • {"criterion_text":"- 1. Are ≥18 years of age at time of informed consent, have been diagnosed with a rheumatic or autoimmune condition, received their last BCDT dose within 3 months of Screening, and have the intention to receive BCDT during trial participation. Note: Patients with the following indications are eligible: MS, RA, vasculitis/myositis, SLE, Sjogren’s syndrome, idiopathic inflammatory myopathy, mixed connective tissue disease, undifferentiated connective tissue disease, myasthenia gravis, autoimmune encephalitis, CIDP, and neuromyelitis optica spectrum disorder. Other rheumatic and autoimmune conditions may also be acceptable with approval from the Medical Monitor."}
  • {"criterion_text":"- 2. Have hypogammaglobulinemia (IgG levels <5 g/L as confirmed by the central laboratory)."}
  • {"criterion_text":"- 3. Are willing and able to provide voluntary written informed consent for participation in the study and to comply with all protocol requirements"}
  • {"criterion_text":"- 4. Are willing and able to comply with an acceptable effective contraception method during and for 30 days after the treatment period. Contraceptive use by men and women of child-bearing potential should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies."}

Exclusion criteria

  • {"criterion_text":"- 1. Have a history of anaphylaxis or severe systemic response to immunoglobulin, blood, or plasma-derived products, or any Panzyga component"}
  • {"criterion_text":"- 10. HIV infection at Screening (defined for the study as positive HIV NAT test or reactive HIV-1/2 antigen/antibody immunoassay followed by positive HIV-1 /HIV-2 antibody differentiation immunoassay)"}
  • {"criterion_text":"- 11. Patients found to be chronic carriers of hepatitis B virus (HBV), defined by positive surface antigen (HBsAg), positive Hepatitis B core antibodies (HBcAb) and/or low HBV titers, who will not receive targeted antiviral therapy while participating in the study, and patients with active HBV, defined as high HBV titers."}
  • {"criterion_text":"- 12. Uncontrolled hepatitis C infection at Screening (defined for the study as positive HCV PCR)."}
  • {"criterion_text":"- 13. Have received IgG treatment within 6 months prior to Screening or plan to receive IgG therapy, other than IMP, during the study"}
  • {"criterion_text":"- 14. Are receiving or plan to receive immunosuppressive treatment (other than for underlying condition) or other forbidden medication during the entire study duration"}
  • {"criterion_text":"- 15. Are participating or plan to participate in another study that is either blinded or involves an investigational medicinal product (IMP) within 3 months prior to Baseline or during the course of this study. Participation in observational or open-label studies involving an approved product may be permitted after consultation with the Medical Monitor."}
  • {"criterion_text":"- 16. If female, are pregnant or lactating"}
  • {"criterion_text":"- 17. Are likely to be non-compliant or uncooperative during the study, or unable to cooperate because of a language problem or poor mental development, in the opinion of the Investigator"}
  • {"criterion_text":"- 2. Have a current major infection at Screening or had >1 major infection within 6 months prior to Baseline"}
  • {"criterion_text":"- 3. Have a history of thromboembolic events such as deep vein thrombosis (DVT), pulmonary embolism, myocardial infarction, ischemic stroke, transient ischemic attack, or peripheral artery disease (Fontaine IV) within 6 months prior to Baseline"}
  • {"criterion_text":"- 4. Have a known IgA deficiency with antibodies to IgA"}
  • {"criterion_text":"- 5. Have a known blood hyperviscosity or other hypercoagulable states"}
  • {"criterion_text":"- 6. Have been diagnosed with primary immunodeficiency"}
  • {"criterion_text":"- 7. Have a severe liver disease, with signs of ascites or hepatic encephalopathy"}
  • {"criterion_text":"- 8. Have a severe kidney disease (as defined by eGFR <30 mL/min/1.73 m2)"}
  • {"criterion_text":"- 9. Have body weight >140 kg"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Occurrence of at least one major infection or death in patients with or without primary infection prophylaxis with Panzyga. Major infections will be recorded throughout the study along with the type and severity of infection and time to resolution. Each patient will be counted only once for the primary endpoint calculation. Each potential infection will be assessed by an Independent Adjudication Committee (IAC) consisting of clinical experts.","definition_or_measurement_approach":"Major infections recorded throughout the study with type, severity and time to resolution; each patient counted once; each potential infection assessed by an Independent Adjudication Committee (IAC)."}

Secondary endpoints

  • {"endpoint_text":"- 1. Efficacy Endpoint: The time to first major infection (as assessed by the IAC) or death.","definition_or_measurement_approach":"Time-to-event (time to first major infection or death), infections assessed by the IAC."}
  • {"endpoint_text":"- 2. Safety Endpoint: Incidence of AEs","definition_or_measurement_approach":"Incidence (frequency) of adverse events recorded during the study."}
  • {"endpoint_text":"- 3. Safety Endpoint: Changes from Baseline in physical examinations, and clinical laboratory parameters.","definition_or_measurement_approach":"Assessment of changes from baseline in physical examination findings and clinical laboratory parameters."}

Recruitment

Planned Sample Size
195
Recruitment Window Months
36
Consent Approach
Participants must be willing and able to provide voluntary written informed consent (inclusion criterion). Subject information sheets and informed consent forms (ICFs) are provided (multiple L1 SIS and ICF documents listed across countries and languages). ICFs include main ICFs, PK addendum ICFs, pregnant participant ICFs and country/language-specific ICF versions; documents indicate availability in multiple languages (EN, BG, GR, LT, LV, RU, IT, PL, CZ etc). Participation restricted to adults (≥18 years).

Geography

Total Number Of Sites
24
Total Number Of Participants
195

Bulgaria

Earliest CTIS Part Ii Submission Date
04-05-2026
Latest Decision Or Authorization Date
14-05-2026
Processing Time Days
10
Number Of Sites
2
Number Of Participants
10

Sites

Site Name
University Multiprofile Hospital For Active Treatment Saint Georgi EAD
Department Name
Rheumatology clinic
Principal Investigator Name
Krasimir Kraev
Principal Investigator Email
dr.krasimir.kraev@gmail.com
Contact Person Name
Krasimir Kraev
Contact Person Email
dr.krasimir.kraev@gmail.com
Site Name
Medical Center Artmed Ltd.
Department Name
-
Principal Investigator Name
Mariela Geneva-Popova
Principal Investigator Email
artmedcenter@yahoo.com
Contact Person Name
Mariela Geneva-Popova
Contact Person Email
artmedcenter@yahoo.com

Germany

Earliest CTIS Part Ii Submission Date
04-05-2026
Latest Decision Or Authorization Date
13-05-2026
Processing Time Days
9
Number Of Sites
2
Number Of Participants
13

Sites

Site Name
Klinikum der Technischen Universitaet Muenchen (TUM Klinikum)
Department Name
Department for Nephrology
Principal Investigator Name
Lutz Renders
Principal Investigator Email
sabine.engelhardt@mri.tum.de
Contact Person Name
Lutz Renders
Contact Person Email
sabine.engelhardt@mri.tum.de
Site Name
LMU Klinikum Muenchen AöR
Department Name
Med. Klinik und Poliklinik IV Sektion Rheumatologie und klinische Immunologie – Studienambulanz
Principal Investigator Name
Hendrik Schulze-Koops
Principal Investigator Email
christina.gebhardt@med.uni-muenchen.de
Contact Person Name
Hendrik Schulze-Koops

Greece

Earliest CTIS Part Ii Submission Date
03-02-2026
Latest Decision Or Authorization Date
11-05-2026
Processing Time Days
97
Number Of Sites
4
Number Of Participants
20

Sites

Site Name
Athens Naval Hospital
Department Name
Rheumatology clinic
Principal Investigator Name
Gkikkas Katsifis
Principal Investigator Email
katsifisg@yahoo.gr
Contact Person Name
Gkikkas Katsifis
Contact Person Email
katsifisg@yahoo.gr
Site Name
University General Hospital Of Ioannina
Department Name
Nephrology department
Principal Investigator Name
Evangelia Ntounousi
Principal Investigator Email
edounous@uoi.gr
Contact Person Name
Evangelia Ntounousi
Contact Person Email
edounous@uoi.gr
Site Name
Ippokratio General Hospital Of Thessaloniki
Department Name
4th Department of Internal Medicine
Principal Investigator Name
Theodoros Dimitroulas
Principal Investigator Email
dimitroul@auth.gr
Contact Person Name
Theodoros Dimitroulas
Contact Person Email
dimitroul@auth.gr
Site Name
University General Hospital Of Heraklion
Department Name
Rheumatology and Clinical Immunology Clinic
Principal Investigator Name
Prodromos Sidiropoulos
Principal Investigator Email
sidiropp@uoc.gr
Contact Person Name
Prodromos Sidiropoulos
Contact Person Email
sidiropp@uoc.gr

Czechia

Earliest CTIS Part Ii Submission Date
30-04-2026
Latest Decision Or Authorization Date
11-05-2026
Processing Time Days
11
Number Of Sites
5
Number Of Participants
85

Sites

Site Name
Vseobecna Fakultni Nemocnice V Praze
Department Name
Neurologická klinika 1.LF UK a VFN, Centrum pro RS a NMOSD
Principal Investigator Name
Jana Lízrová Preiningerová
Principal Investigator Email
jana.lizrova@vfn.cz
Contact Person Name
Jana Lízrová Preiningerová
Contact Person Email
jana.lizrova@vfn.cz
Site Name
Krajska zdravotni a.s.
Department Name
Neurologické oddělení, MS Centrum I
Principal Investigator Name
Marta Vachová
Principal Investigator Email
marta.vachova@kzcr.eu
Contact Person Name
Marta Vachová
Contact Person Email
marta.vachova@kzcr.eu
Site Name
Nemocnice Pardubickeho kraje a.s.
Department Name
Neurologická klinika, MS Centrum
Principal Investigator Name
Miroslav Mareš
Principal Investigator Email
info@nempk.cz
Contact Person Name
Miroslav Mareš
Contact Person Email
info@nempk.cz
Site Name
Fakultni Nemocnice Hradec Kralove
Department Name
Neurologická klinika, MS centrum
Principal Investigator Name
Zbyšek Pavelek
Principal Investigator Email
zbysek.pavelek@fnhk.cz
Contact Person Name
Zbyšek Pavelek
Contact Person Email
zbysek.pavelek@fnhk.cz
Site Name
NeuropsychiatrieHK s.r.o.
Principal Investigator Name
Martin Vališ
Principal Investigator Email
neuropsychiatriehk@seznam.cz
Contact Person Name
Martin Vališ
Contact Person Email
neuropsychiatriehk@seznam.cz

Italy

Earliest CTIS Part Ii Submission Date
29-04-2026
Latest Decision Or Authorization Date
13-05-2026
Processing Time Days
14
Number Of Sites
2
Number Of Participants
20

Sites

Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
Unità Operativa di Neurologia
Principal Investigator Name
Massimiliano Mirabella
Principal Investigator Email
massimiliano.mirabella@unicatt.it
Contact Person Name
Massimiliano Mirabella
Site Name
Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
Department Name
SSD Neurologia - Malattie Neurodegenerative
Principal Investigator Name
Laura Ghezzi
Principal Investigator Email
laura.ghezzi@policlinico.mi.it
Contact Person Name
Laura Ghezzi
Contact Person Email
laura.ghezzi@policlinico.mi.it

Latvia

Earliest CTIS Part Ii Submission Date
04-05-2026
Latest Decision Or Authorization Date
13-05-2026
Processing Time Days
9
Number Of Sites
2
Number Of Participants
20

Sites

Site Name
Pauls Stradins Clinical University Hospital
Department Name
Neurology Clinic
Principal Investigator Name
Alina Flintere-Flinte
Principal Investigator Email
alina-medi@inbox.lv
Contact Person Name
Alina Flintere-Flinte
Contact Person Email
alina-medi@inbox.lv
Site Name
Riga East Clinical University Hospital
Department Name
Clinic "Gailezers"
Principal Investigator Name
Guntis Karelis
Principal Investigator Email
guntis.karelis@aslimnica.lv
Contact Person Name
Guntis Karelis
Contact Person Email
guntis.karelis@aslimnica.lv

Lithuania

Earliest CTIS Part Ii Submission Date
15-04-2026
Latest Decision Or Authorization Date
13-05-2026
Processing Time Days
28
Number Of Sites
4
Number Of Participants
20

Sites

Site Name
Vilniaus Universiteto Ligonine Santaros Klinikos Vsi
Department Name
Rheumatology
Principal Investigator Name
Regina Šakalytė
Principal Investigator Email
regina.sakalyte@santa.lt
Contact Person Name
Regina Šakalytė
Contact Person Email
regina.sakalyte@santa.lt
Site Name
Vilniaus Universiteto Ligonine Santaros Klinikos Vsi
Department Name
Nephrology
Principal Investigator Name
Marius Miglinas
Principal Investigator Email
marius.miglinas@santa.lt
Contact Person Name
Marius Miglinas
Contact Person Email
marius.miglinas@santa.lt
Site Name
Lietuvos sveikatos mokslu universiteto ligonine Kauno klinikos
Department Name
Neurology
Principal Investigator Name
Dalia Musneckienė
Principal Investigator Email
dalia.musneckiene@kaunoklinikos.lt
Contact Person Name
Dalia Musneckienė
Site Name
Vilniaus Universiteto Ligonine Santaros Klinikos Vsi
Department Name
Neurology
Principal Investigator Name
Nataša Giedraitienė
Principal Investigator Email
natasa.giedraitiene@santa.lt
Contact Person Name
Nataša Giedraitienė
Contact Person Email
natasa.giedraitiene@santa.lt

Poland

Earliest CTIS Part Ii Submission Date
30-04-2026
Latest Decision Or Authorization Date
15-05-2026
Processing Time Days
15
Number Of Sites
3
Number Of Participants
27

Sites

Site Name
Szpital Czerniakowski Sp. z o.o.
Department Name
Oddział Neurologiczny
Principal Investigator Name
Jarosław Pniewski
Principal Investigator Email
j.pniewski@op.pl
Contact Person Name
Jarosław Pniewski
Contact Person Email
j.pniewski@op.pl
Site Name
Copernicus Podmiot Leczniczy Sp. z o.o.
Department Name
Oddział Neurologiczny
Principal Investigator Name
Waldemar Fryze
Principal Investigator Email
w.fryze@wp.pl
Contact Person Name
Waldemar Fryze
Contact Person Email
w.fryze@wp.pl
Site Name
Narodowy Instytut Geriatrii Reumatologii I Rehabilitacji Im Prof. Dr Hab. Med. Eleonory Reicher
Department Name
Centrum Wsparcia Badań Klinicznych
Principal Investigator Name
Jakub Wroński
Principal Investigator Email
jakub.wronski@spartanska.pl
Contact Person Name
Jakub Wroński
Contact Person Email
jakub.wronski@spartanska.pl

Sponsor

Primary sponsor

Full Name
Octapharma Pharmazeutika Produktionsgesellschaft mbH
Organisation Type
Pharmaceutical company
Country Of Registered Address
Austria

Contract research organisations

Name
Medpace Ellas Monoprosopi I.K.E.
Responsibilities
sponsor duties codes: 1,12
Name
Medpace Finland Oy
Responsibilities
sponsor duties codes: 1,10,12,2,4,6,8

Third parties

  • {"country":"Germany","full_name":"SGS Analytics Germany GmbH","duties_or_roles":"PK analysis","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"EDC and electronic Patient Related Outcomes (ePRO); duties codes: 15,7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Greece","full_name":"Medpace Ellas Monoprosopi I.K.E.","duties_or_roles":"sponsor duties codes: 1,12","organisation_type":"Pharmaceutical company"}
  • {"country":"Finland","full_name":"Medpace Finland Oy","duties_or_roles":"sponsor duties codes: 1,10,12,2,4,6,8","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Blue Sky Elearn LLC","duties_or_roles":"Training vendor","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Germany","full_name":"SGS Analytics Germany GmbH","duties_or_roles":"PK analysis","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Germany","full_name":"GxP Brain GmbH","duties_or_roles":"IVRS","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"WCG Clinical Inc.","duties_or_roles":"Adjudication Committee Endpoint assessment","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Panzyga 100 mg/ml Infusionslösung
Active Substance
HUMAN NORMAL IMMUNOGLOBULIN
Modality
Other antibody
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Marketing authorisation present (marketingAuthNumber: 236803, authorisationCountryCode: AT)
Maximum Dose
max daily 4 millilitre(s)/kilogram; max total 52 millilitre(s)/kilogram
Investigational Product Name
Isotone Kochsalz-Lösung 0,9 % Braun Infusionslösung
Active Substance
SODIUM CHLORIDE
Modality
Other
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Marketing authorisation present (marketingAuthNumber: 6726174.00.00, authorisationCountryCode: DE)
Maximum Dose
max daily 4 millilitre(s)/kilogram; max total 52 millilitre(s)/kilogram

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