| Primary | Mean Percentage of Participants With Hemolysis Control | A Generalized Estimating Equation (GEE) was used to estimate the population-average percentage of the participants with hemolysis control (measured by lactate dehydrogenase (LDH) ≤1.5 x upper limit of normal (ULN)) from Week 5 to Week 25 taking account of the intra-patient and inter-patient correlation between LDH control statuses across visits. The dependent variable was the binary indicator for hemolysis control. Independent variables are categorical effects of visits, continuous baseline LDH. | Primary Analysis Population (PAP) included all enrolled participants who received at least one dose of crovalimab and had at least one central LDH level assessment after the first IV infusion. | Posted | | Least Squares Mean | 95% Confidence Interval | mean percentage of participants | | From Week 5 up to Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
| | | Title | Denominators | Categories |
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| | | Title | Measurements |
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| - OG00078.66(67.78 to 86.59)
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| Primary | Difference in Percentage of Participants With Transfusion Avoidance (TA) From Baseline Through Week 25 and Within 24 Weeks Prior to Screening | TA was defined as participants who were packed red blood cell (pRBC) transfusion-free and did not require transfusion per protocol-specified guidelines. TA within 24 weeks prior to screening was based on the pRBC transfusion history in the medical records. Reported in this outcome measure is the difference in the percentage of participants between "baseline through Week 25" and "within 24 weeks prior to screening". 95% Confidence Interval (CI) for the difference between the percentage of participants with transfusion avoidance between Pre-screening and Post-baseline is calculated using the Newcombe method. Screening= Day -28 to Day -1 and Baseline= Day 1. | PAP included all enrolled participants who received at least one dose of crovalimab and had at least one central LDH level assessment after the first IV infusion. | Posted | | Number | 95% Confidence Interval | percentage of participants | | 24 Weeks Prior to Screening, Baseline to Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Percentage of Participants With Breakthrough Hemolysis (BTH) | BTH was defined as at least one new or worsening symptom or sign of intravascular hemolysis (fatigue, hemoglobinuria, abdominal pain, shortness of breath [dyspnea], anemia [hemoglobin < 10 grams per deciliter (g/dL)], major adverse vascular event [MAVE, including thrombosis], dysphagia, or erectile dysfunction) in the presence of elevated LDH ≥2xULN after a prior LDH reduction to ≤1.5xULN from the start of study treatment. As pre-specified in the SAP participants withdrawing before Week 25 were deemed to have experienced a BTH event. Percentages have been rounded off to the first decimal point. | PAP included all enrolled participants who received at least one dose of crovalimab and had at least one central LDH level assessment after the first IV infusion. | Posted | | Number | 95% Confidence Interval | percentage of participants | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Percentage of Participants With Stabilized Hemoglobin | Stabilized hemoglobin was defined as avoidance of a ≥2 g/dL decrease in hemoglobin level from baseline, in the absence of transfusion. As pre-specified in the SAP participants withdrawing before Week 25 were deemed to not have hemoglobin stabilization. | PAP included all enrolled participants who received at least one dose of crovalimab and had at least one central LDH level assessment after the first IV infusion. | Posted | | Number | 95% Confidence Interval | percentage of participants | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Change From Baseline in Fatigue in Adults Aged >=18 Years | Fatigue was assessed using functional assessment of chronic illness therapy-fatigue (FACIT-F) scale. FACIT-F is a self-assessment questionnaire with a 7-day recall period and 13 items evaluating fatigue and its impact on daily life activities. Items are scored on a response scale that ranges from 0 ("not at all") to 4 ("very much so"). Relevant items are reverse scored, and all the items are summed to create a total score range from 0 to 52, with 0 being the worst possible score and 52 being the best possible score. A higher score indicates low fatigue severity. A positive mean change indicates improvement. FACIT-F was assessed in adult participants only. FACIT-F assessment was unintentionally missed in the Schedule of Activities (SoA) table, which site used to guide the assessments at each timepoint. Therefore, data were not collected at Week 25. | PAP included all enrolled participants who received at least one dose of crovalimab and had at least one central LDH level assessment after the first IV infusion. Overall number analyzed is the number of participants ≥18 years with data available for analysis. | Posted | | Mean | Standard Deviation | score on a scale | | Baseline, Week 2, Week 5, Week 9, Week 17, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Percentage of Participants With Adverse Events (AEs) | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Percentage of Participants With Injection-Site Reactions, Infusion-Related Reactions, Hypersensitivity, and Infections (Including Meningococcal Meningitis) | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Percentage of Participants With Adverse Events (AEs) Leading to Study Drug Discontinuation | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Trough Serum Concentration of Crovalimab Over Time | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Serum Concentrations of Crovalimab | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Percentage of Participants With Anti-Drug Antibodies (ADAs) to Crovalimab | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Terminal Complement Activity as Measured by Liposome Immunoassay (LIA) | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Change Over Time in Total and Free C5 Concentration | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Observed Value in Absolute Reticulocyte Count | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Observed Value in Free Hemoglobin | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Observed Value in Haptoglobin | | | Not Posted | Feb 2029 | | | | | Up to 7 years | | Participants | | | | |
| Secondary | Percent Change From Baseline in Absolute Reticulocyte Count | | Safety population included all enrolled participants who received at least one dose of crovalimab. Number of participants analyzed is the number of participants with data available for analysis at the specified timepoints. | Posted | | Mean | Standard Deviation | percent change | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Percent Change From Baseline in Free Hemoglobin | | Safety population included all enrolled participants who received at least one dose of crovalimab. Number of participants analyzed is the number of participants with data available for analysis at the specified timepoints. | Posted | | Mean | Standard Deviation | percent change | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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| Secondary | Percent Change From Baseline in Haptoglobin | | Safety population included all enrolled participants who received at least one dose of crovalimab. Number of participants analyzed is the number of participants with data available for analysis at the specified timepoints. | Posted | | Mean | Standard Deviation | percent change | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | Crovalimab | Crovalimab was administered at an initial loading dose of 1000 mg (for participants with body weight between 40 and 100) kg or 1500 mg (for participants with body weight >=100kg), as IV injection on Day 1 of Week 1 followed by four weekly SC injections of 340 mg starting on Day 2 of Week 1 and then QW at Weeks 2,3 and 4. Thereafter crovalimab was administered, as SC injection, at a maintenance dose of 680 mg (for participants with body weight between 40 and 100kg) or 1020 mg (for participants with body weight >=100kg) Q4W from Week 5 for a total of 24 weeks of study treatment. Participants who derive benefit from the drug after 24 weeks of treatment may continue to receive crovalimab. |
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