| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
| Paroxysmal nocturnal hemoglobinuria (PNH) |
|
| E.1.1.1 | Medical condition in easily understood language |
| Paroxysmal nocturnal hemoglobinuria (PNH) |
|
| E.1.1.2 | Therapeutic area | Diseases [C] - Blood and lymphatic diseases [C15] |
| MedDRA Classification |
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 21.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10055629 |
| E.1.2 | Term | Paroxysmal nocturnal hemoglobinuria |
| E.1.2 | System Organ Class | 100000004857 |
|
| 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 |
| To evaluate the prevalence of free complement component 5 (C5)-associated breakthrough hemolysis (BTH) in participants on high-dose eculizumab who switch to ravulizumab |
|
| E.2.2 | Secondary objectives of the trial |
To evaluate efficacy by other measures in participants on high-dose eculizumab who switch to ravulizumab;
|
|
| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
Participant must be 18 years of age or older, at the time of signing the informed consent. Documented diagnosis of PNH. Received 1200 mg eculizumab every 12 to 16 days (q2w) for at least 3 months prior to Screening. Lactate dehydrogenase (LDH) ≤ 2 x upper limit of normal (ULN). Vaccinated against meningococcal infections within 3 years prior to, initiating study drug. Body weight ≥ 40 kg. |
|
| E.4 | Principal exclusion criteria |
History of major adverse vascular events (MAVEs) within 6 months of Day 1. History of bone marrow transplantation. N. meningitidis infection: Participants with unresolved N. meningitidis infection at treatment initiation, Participants who are not currently vaccinated against N. meningitidis unless they receive prophylactic treatment with appropriate antibiotics until 2 weeks after vaccination. History of unexplained, recurrent infection. Active systemic bacterial, viral, or fungal infection within 14 days prior to study drug administration on Day 1. Concomitant use of anticoagulants is prohibited if not on a stable regimen for at least 2 weeks prior to Day 1. More than one LDH value > 2 × ULN within the 6 months prior to Day 1. Platelet count < 30,000/mm3 (30 × 109/L) at Screening. |
|
| E.5 End points |
| E.5.1 | Primary end point(s) |
| Free C5-associated BTH through Day 351 |
|
| E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
| E.5.2 | Secondary end point(s) |
BTH through Day 351 Hemolysis from baseline to Day 351 Transfusion from baseline to Day 351 Stabilized hemoglobin from baseline to Day 351 |
|
| E.5.2.1 | Timepoint(s) of evaluation of this end point |
|
| 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 | Yes |
| 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) | No |
| E.7.4 | Therapeutic use (Phase IV) | Yes |
| E.8 Design of the trial |
| E.8.1 | Controlled | No |
| E.8.1.1 | Randomised | No |
| E.8.1.2 | Open | No |
| 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.8.3 |
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 | No |
| E.8.6 Trial involving sites outside the EEA |
| E.8.6.1 | Trial being conducted both within and outside the EEA | No |
| E.8.6.2 | Trial being conducted completely outside of the EEA | No |
| 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
|
|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 1 |
| E.8.9.1 | In the Member State concerned months | 8 |
| E.8.9.1 | In the Member State concerned days | 10 |
| E.8.9.2 | In all countries concerned by the trial years | 1 |
| E.8.9.2 | In all countries concerned by the trial months | 8 |
| E.8.9.2 | In all countries concerned by the trial days | 10 |