E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Primary Cold Agglutinin Disease |
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E.1.1.1 | Medical condition in easily understood language |
Autoimmune Disease against red blood cells (Haemolytic Anaemia) |
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E.1.1.2 | Therapeutic area | Diseases [C] - Immune System Diseases [C20] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10073785 |
E.1.2 | Term | Autoimmune haemolytic anaemia |
E.1.2 | System Organ Class | 10005329 - Blood and lymphatic system disorders |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Part A:
The primary objective of Part A is to determine whether BIVV009 administration results in a ≥ 2 g/dL increase in hemoglobin (Hgb) levels or increases Hgb to ≥ 12 g/dL and obviates the need for blood transfusion during treatment in patients with primary CAgD who have a recent history of transfusion
Part B:
The primary objective of Part B is to evaluate the long-term safety and tolerability of BIVV009 in patients with primary CAgD. |
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E.2.2 | Secondary objectives of the trial |
Part A:
Efficacy:
•To assess the effect of BIVV009 on clinical events and laboratory parameters related to hemolysis and anemia in patients with primary CAgD
•To assess the effect of BIVV009 on quality of life (QOL) in patients with primary CAgD
Safety:
•To evaluate the overall safety and tolerability of BIVV009 in patients with primary CAgD
Exploratory:
•To assess the effect of BIVV009 on specific complications of CAgD
•To evaluate the effect of BIVV009 on certain disease-related biomarkers in patients with primary CAgD
•To evaluate the pharmacokinetics of BIVV009
Part B:
•The secondary objective of Part B is to investigate the durability of response during long-term treatment with BIVV009 in patients with primary CAgD. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Adult males and females ≥ 18 years of age at Screening
2.Body weight of ≥ 39 kg at screening
3.Confirmed diagnosis of primary CAgD based on the following criteria:
a.Chronic hemolysis,
b.Polyspecific direct antiglobulin test (DAT) positive,
c.Monospecific DAT strongly positive for C3d,
d.Cold agglutinin titer ≥ 64 at 4 degrees Celsius,
e.IgG DAT ≤ 1+, and
f.No overt malignant disease
4.History of at least one documented blood transfusion within 6 months of enrollment
5.Hemoglobin level ≤ 10.0 g/dL
6.Bilirubin level above the normal reference range
7.Ferritin level within the normal reference ranges unless outside normal range and deemed not clinically significant by the Investigator (or designee)
8.Presence of one or more of the following CAgD-related signs or symptoms within 3 months of Screening:
a.Symptomatic anemia defined as:
i.Fatigue,
ii.Weakness,
iii.Shortness of breath,
iv.Palpitations, fast heart beat
v.Light headedness and/or
vi.Chest pain
b.Acrocyanosis
c.Raynaud’s syndrome
d.Hemoglobinuria
e.Disabling circulatory symptoms, and/or
f.Major adverse vascular event (including thrombosis)
9.Bone marrow biopsy within 6 months of Screening with no overt evidence of lymphoproliferative disease or other hematological malignancy. An additional bone marrow biopsy will be required if the prior bone marrow is deemed unsuitable for analysis by the Sponsor.
10.Vaccinations against encapsulated bacterial pathogens (Neisseria meningitis, Meningitis B, Haemophilus influenzae, and Streptococcus pneumoniae) within 5 years of enrollment or as specified in Appendix B. |
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E.4 | Principal exclusion criteria |
1.Cold agglutinin syndrome secondary to infection, rheumatologic disease, or active hematologic malignancy
2.Clinically relevant infection of any kind within the month preceding enrollment (eg, active hepatitis C, pneumonia)
3.Clinical diagnosis of systemic lupus erythematosus (SLE); or other autoimmune disorders with anti-nuclear antibodies at Screening
4.Positive hepatitis panel (including hepatitis B surface antigen and/or hepatitis C virus antibody) prior to or at Screening
5.Positive human immunodeficiency virus (HIV) antibody at Screening
6.Treatment with rituximab monotherapy within 3 months or rituximab combination therapies (eg, with bendamustine, fludarabine, ibrutinib, or cytotoxic drugs) within 6 months prior to enrollment
7.Concurrent treatment with corticosteroids other than a stable daily dose equivalent to ≤ 10 mg/day prednisone for previous 3 months
8.Erythropoietin deficiency. Concurrent treatment with erythropoietin is permitted if the patient has been on a stable dose for the previous 3 months.
9.Concurrent usage of iron supplementation unless the patient has been on a stable dose for at least 4 weeks.
10.Clinically significant medical history or ongoing chronic illness that would jeopardize the safety of the patient or compromise the quality of the data derived from his/her participation in this study (as determined by the Investigator [or designee]) at Screening
11.Concurrent treatment with other experimental drugs or participation in another clinical trial with any investigational drug within 30 days or 5 half lives, whichever is greater, prior to treatment start
12.Females who are pregnant, lactating, or, if having reproductive potential, are considered potentially unreliable with respect to contraceptive practice
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy endpoint is the responder rate. A patient will be considered a responder if he or she did not receive a blood transfusion from Week 5 through Week 26 (EOT) and did not receive treatment for CAgD beyond what is permitted per protocol. Additionally, the patient’s Hgb level must meet either of the following criteria:
• Hgb level is ≥ 12 g/dL at the treatment assessment endpoint (defined as mean value from Weeks 23, 25, and 26), or
• Hgb increased ≥ 2 g/dL from baseline (defined as the last Hgb value before administration of the first dose of study drug) at treatment assessment endpoint |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
•Mean change from baseline in bilirubin (excluding patients with Gilbert’s Syndrome) at the treatment assessment endpoint (mean of values at Week 23, 25, and 26)
•Mean change from baseline in QOL, as assessed by the change in Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue scale scores at the treatment assessment endpoint
•Mean change from baseline in lactate dehydrogenase (LDH) at the treatment assessment endpoint
•Number of transfusions and number of units after the first 5 weeks of study drug administration
•Mean change from baseline in Hgb at the treatment assessment endpoint
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 1 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 37 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Canada |
Israel |
Japan |
United States |
Austria |
Belgium |
Denmark |
France |
Germany |
Hungary |
Italy |
Netherlands |
Norway |
Poland |
Spain |
Switzerland |
United Kingdom |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 6 |
E.8.9.2 | In all countries concerned by the trial days | 0 |