Study to Evaluate Safety and Efficacy of Three Different Dosages of NewGam in Patients With Chronic Inflammatory Demyelinating Poly (Radiculo) Neuropathy (CIDP)
Chronic Inflammatory Demyelinating Poly(Radiculo)Neuropathy
About this trial
This is an interventional treatment trial for Chronic Inflammatory Demyelinating Poly(Radiculo)Neuropathy focused on measuring Chronic Inflammatory Demyelinating Poly Neuropathy (CIDP)
Eligibility Criteria
Inclusion Criteria:
- Patients with diagnosis of definite or probable Chronic inflammatory demyelinating polyneuropathy (CIDP) according to the European Federation of Neurological Societies/Peripheral Nerve Society (EFNS/PNS) Guideline 2010 [van den Bergh et al., 2010]; including patients with Multifocal Acquired Demyelinating Sensory And Motor Neuropathy (MADSAM) or pure motor Chronic inflammatory demyelinating polyneuropathy (CIDP )
- Patients currently depending on treatment with immunoglobulins or corticosteroids
- Patients with active disease, i.e. not being in remission, who are progressive or relapsing prior to trial start or during the Wash-out Phase
- Weakness of at least 2 limbs
- >18 to <80 years of age
- Adjusted Inflammatory Neuropathy Cause and Treatment (INCAT) disability score between 2 and 9 (with a score of 2 coming exclusively from leg disability)
- Voluntarily given, fully informed written consent obtained from patient before any study-related procedures are conducted
Exclusion Criteria:
- Unifocal forms of Chronic inflammatory demyelinating polyneuropathy (CIDP)
- Pure sensory Chronic inflammatory demyelinating polyneuropathy (CIDP)
- Multifocal motor neuropathy (MMN) with conduction block [van den Bergh et al., 2010]
- Patients who previously failed immunoglobulin treatment
- Treatment with immunomodulatory/suppressive agents (cyclosporin, methotrexate, mitoxantrone, mycophenolate mofetil or azathioprine) during the six months prior to baseline visit
- Patients on or treated with rituximab, alemtuzumab, cyclophosphamide, or other intensive chemotherapeutic regimens, previous lymphoid irradiation or stem cell transplantation during the 12 months prior to baseline visit
- Respiratory impairment requiring mechanical ventilation
- Myelopathy or evidence of central nervous system demyelination or significant persisting neurological deficits from stroke, or central nervous system (CNS) trauma
Clinical evidence of peripheral neuropathy from another cause such as
- connective tissue disease or systemic lupus erythematosus (SLE)
- HIV infection, hepatitis, Lyme disease
- cancer (with the exception of basal cell skin cancer)
- IgM paraproteinemia with anti-myelin associated glycoprotein antibodies
- Diabetic neuropathy
- Cardiac insufficiency (New York Heart Association [NYHA] III/IV), cardiomyopathy, significant cardiac dysrhythmia requiring treatment, unstable or advanced ischemic heart disease
- Severe liver disease (ALAT 3x > normal value)
- Severe kidney disease (creatinine 1.5x > normal value)
- Hepatitis B, hepatitis C or HIV infection
- Thromboembolic events: patients with a history of deep vein thrombosis (DVT) within the last year prior to baseline visit or pulmonary embolism ever; patients with susceptibility to embolism or deep vein thrombosis (DVT)
- Body mass index (BMI) ≥40 kg/m2
- Patients with uncompensated hypothyroidism (abnormally high Thyroid-Stimulating Hormone [TSH] and abnormally low Thyroxine [T4]) or known vitamin B12 deficiency if patients don't receive adequate substitution therapy
- Medical conditions whose symptoms and effects could alter protein catabolism and/or Immunoglobulin G (IgG) utilization (e.g. protein-losing enteropathies, nephrotic syndrome)
- Known Immunoglobulin A (IgA) deficiency with antibodies to Immunoglobulin A (IgA)
- History of severe hypersensitivity, e.g. anaphylaxis or severe systemic response to immuno-globulin, blood or plasma derived products, or any component of NewGam
- Known blood hyperviscosity, or other hypercoagulable states
- Use of other blood or plasma-derived products within three months prior to Visit 2
- Patients with a past or present history of drug abuse or alcohol abuse within the preceding five years prior to baseline visit
- Patients unable or unwilling to understand or comply with the study protocol
- Participation in another interventional clinical study with investigational medicinal product (IMP) treatment currently or during the three months prior to Visit 2
- Women who are breast feeding, pregnant, or planning to become pregnant, or are unwilling to use an effective birth control method (such as implants, injectables, combined oral contraceptives, some intrauterine devices (IUDs), sexual abstinence or vasectomized partner) while on study
Sites / Locations
- MHAT Puls EOOD
- St. Naum Hospital
- Toronto General Hospital
- Octapharma Research Site
- Outpatient Clinic of Neurology
- Regional Hospital Pardubice
- Thomayer Faculty Hospital
- University Medical Center Goettigen
- Jahn Ferenc Del Pesti Korhaz
- Szegedi Tudományegyetem ÁOK Neurológiai Klinika
- Samodzielny Publiczny Szpital Kliniczny Nr 4 w Lublinie Klinika Neurologii
- Wojewodzki Szpital Specjalistyczny W Olsztynie
- Uniwersytecki Szpital Kliniczny
- Theo Health S.R.L.
- Institutul Clinic Fundeni
- Spitalul Clinic Judetean de Urgenta "Sf.Apostol Andrei" Constanta
- Republican Clinical Neurological Centre
- Neurology Research Centre
- Nizhny Novgorod Regional Clinical Hospital N.A. N.A.Semashko
- National Medical Research Centre of Psychiatry and Neurology n.a. V.M.Bekhterev
- City Multifield Hospital #2
- Ivano Frankivsk National Medical University
- National Medical Academy Of Postgraduate Education Named After P.L. Shupyk
- Volyn Regional Clinical Hospital
- Vinnytsia National Medical University
- Municipal Institution Zaporizhzhya Regional Clinical Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Experimental
0.5 g/kg NewGam
1.0 g/kg NewGam
2.0 g/kg NewGam
All patients will receive a loading dose of 2.0 g/kg Newgam (administered over two consecutive days), followed by seven infusions of the maintenance dose the patient has been randomized to (0.5g/kg NewGam), also administered over two consecutive days every 3 weeks (±4 days).
All patients will receive a loading dose of 2.0 g/kg Newgam (administered over two consecutive days), followed by seven infusions of the maintenance dose the patient has been randomized to (1.0g/kg NewGam), also administered over two consecutive days every 3 weeks (±4 days).
All patients will receive a loading dose of 2.0 g/kg Newgam (administered over two consecutive days), followed by seven infusions of the maintenance dose the patient has been randomized to (2.0g/kg NewGam), also administered over two consecutive days every 3 weeks (±4 days).