| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Lupus Nephritis (LN) - Immunoglobulin A Nephropathy (IgAN) | 
 
| Nefrite lupica (LN) e nefropatia da immunoglobulina A | 
 
 
 | 
| E.1.1.1 | Medical condition in easily understood language  | 
| Lupus Nephritis (LN) - Immunoglobulin A Nephropathy (IgAN) | 
 
| Nefrite lupica (LN) e nefropatia da immunoglobulina A | 
 
 
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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  | 21.1 | 
 
| E.1.2 | Level  | PT | 
 
| E.1.2 | Classification code  | 10025140 | 
 
| E.1.2 | Term  | Lupus nephritis | 
 
| E.1.2 | System Organ Class  | 10038359 - Renal and urinary disorders | 
 
 
 | 
| 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  | 10021263 | 
 
| E.1.2 | Term  | IgA nephropathy | 
 
| E.1.2 | System Organ Class  | 10038359 - Renal and urinary 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  | 
| Efficacy of ravulizumab compared with placebo in adult participants with LN and IgAN | 
 
| Valutare l'efficacia di ravulizumab rispetto al placebo per ridurre la proteinuria nei partecipanti adulti con LN o IgAN | 
 
 
 | 
| E.2.2 | Secondary objectives of the trial  | 
| - Safety and tolerability of ravulizumab and additional efficacy measures | 
 
| - Valutare l'efficacia e la tollerabilità di ravulizumab e ulteriori valutazioni di efficacia | 
 
 
 | 
| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
Common to both disease cohorts: - 18 - 75 years of age - Proteinuria = 1 (g/d or g/g) - Vaccinated against meningococcal infection - Vaccinated against Haemophilus influenzae type b (Hib) and Streptococcus pneumoniae  
 For LN cohort: - Diagnosis of active focal or diffuse proliferative LN Class III or IV - Clinical active LN, requiring/receiving immunosuppression induction treatment 
 For IgAN cohort: - Diagnosis of primary IgAN - Compliance with stable and optimal dose of RAS inhibitor treatment for = 3 months | 
 
In comune per entrambe le malattie - 18-75 anni - proteinuria  = 1 (g/d or g/g) - vaccinati contro infezione meningococcica - vaccinati contro Haemophilus influenzae type b (Hib) e Streptococcus pneumoniae  
 Per la coorte LN - diagnosi di LN proliferativa localizzata o diffusa di classe III e IV - LN clinicamente attiva, che richiede/sta già ricevendo trattamento con immunosoppressori 
 Per la coorte IgAN - diagnosi di IgAn primaria - conformità con una ottimale e stabile dose di inibitori RAS per  = 3 mesi | 
 
 
 | 
| E.4 | Principal exclusion criteria | 
Common to both disease cohorts: - Estimated GFR < 30 mL/min/1.73 m2 - Previously received a complement inhibitor (eg, eculizumab) at any time - Concomitant significant renal disease other than LN or IgAN - History of other solid organ or bone marrow transplant - Uncontrolled hypertension 
 For IgAN cohort: - Diagnosis of rapid progressive glomerulonephritis - Prednisone or prednisone equivalent > 20 mg for > 14 consecutive days or any other immunosuppression within 6 months | 
 
In comune per entrambe le malattie - GFR stimata < 30 mL/min/1.73 m2 - ha ricevuto in precedenza un inibitore del complemento (ad es. eculizumab) in qualsiasi momento - malattia renale concomitante ed importante al di fuori di LN o IgAN - precedenti trapianti di organi solidi o di midollo osseo - ipertensione non controllata 
 Per la coorte IgAN - diagnosi di glomerulonefrite a progressione rapida - Prednisone o farmaco equivalente > 20 mg per > 14 giorni consecutivi o qualsiasi altro immunosoppressore nei 6 mesi precedenti | 
 
 
 | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Percentage change in proteinuria from basal to week 26 | 
 
| Variazione percentuale della proteinuria dal basale alla Settimana 26 (sulla base della raccolta delle urine delle 24 ore in ciascun punto temporale) | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Baseline and Week 26 | 
 
| Dal basale alla settimana 26 | 
 
 
 | 
| E.5.2 | Secondary end point(s) | 
- Percentage change in proteinuria - Change from baseline in eGFR For LN: - Percentage of participants meeting the criteria for Complete Renal Response - Percentage of participants meeting the criteria for Partial Renal Response - Time to UPCR (Urine Protein to Creatinine Ratio) < 0.5 g/g - Percentage of participants achieving corticosteroid taper to 7.5 mg/day - Percentage of participants with Renal Flare - Percentage of participants with Extrarenal SLE (Systemic Lupus Erythematosus) Flare 
 For IgAN: - Percentage of participants meeting the criteria for Partial Remission | 
 
- Variazione percentuale della proteinuria dal basale alla Settimana 50 (sulla base della raccolta delle urine delle 24 ore in ciascun punto temporale) - Variazione dell'eGFR rispetto al basale alla Settimana 26 e alla Settimana 50 
 Per LN - Percentuale di partecipanti che soddisfano i criteri per CRR alla Settimana 26 e alla Settimana 50 - Percentuale di partecipanti che soddisfano i criteri per PRR alla Settimana 26 e alla Settimana 50 - Tempo a UPCR <0,5 g/g misurato su campione di urina per dosaggio su spot - Percentuale di partecipanti che hanno raggiunto una riduzione graduale dei corticosteroidi a 7,5 mg/die alle Settimane 14, 26 e 50 - Percentuale di partecipanti con riacutizzazione renale fino alla Settimana 50 - Percentuale di partecipanti con riacutizzazione del LES extra renale fino alla Settimana 50 
 Per IgAN - Percentuale di partecipanti che soddisfano i criteri per la remissione parziale alla Settimana 26 e alla Settimana 50 | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| Throughout, Week 26 and/or Week 50 | 
 
| Continuativo, e alla settimana 26 e/o 50. | 
 
 
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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 |  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 |  Yes  | 
| E.6.13.1 | Other scope of the trial description | 
| Immunogenicity | 
 
| Immunogenicità | 
 
 
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| 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) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| 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  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| 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 | 10 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 35 | 
| 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 |  Information not present in EudraCT  | 
| 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 | 
 
| Korea, Democratic People's Republic of | 
 
| Singapore | 
 
| Taiwan | 
 
| United States | 
 
| Belgium | 
 
| France | 
 
| Germany | 
 
| Italy | 
 
| Netherlands | 
 
| Poland | 
 
| Spain | 
 
| Sweden | 
 
| United Kingdom | 
 
 
 | 
| 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 | 0 | 
| 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 | 0 |