Registered outcomes13

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

1 to 13 of 13

List	Outcome	Time frame	Description
Primary	Number of Subjects With Treatment Emergent Adverse Events (TEAEs) Including by Severity	From first dose of study drug (Day 1) up to 30 days after the last dose of study drug, up to approximately 563 days.	TEAEs were defined as adverse events (AEs) that occurred after dosing on Day 1 and up to 30 days after the last dose of study drug. A treatment-related TEAE is defined as a TEAE with a relationship to study drug of probably, possibly, unlikely, or unrelated. A serious adverse event (SAE) is defined as any AE that resulted in death; was life-threatening; required hospitalization or prolongation of existing hospitalization; resulted in persistent or significant incapacity or substantial disruption of ability to conduct normal life functions; was a congenital anomaly or birth defect. TEAEs were graded according to Common Terminology Criteria for Adverse Events v4.03 based on: Grade 1: Mild; Grade 2: Moderate; Grade 3: Severe; Grade 4: Life-threatening; Grade 5: Death related to AE.
Primary	Mean Change From Baseline in Lactate Dehydrogenase (LDH) at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of LDH were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. LDH results were summarized for Cohort 2 only.
Primary	Mean Percentage Change From Baseline in LDH at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of LDH were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. LDH results were summarized for Cohort 2 only.
Primary	Mean Change From Baseline in Haptoglobin at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of haptoglobin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. Haptoglobin results were summarized for Cohort 2 only.
Primary	Mean Percentage Change From Baseline in Haptoglobin at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of haptoglobin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. Haptoglobin results were summarized for Cohort 2 only.
Primary	Mean Change From Baseline in Hemoglobin at Day 365	Baseline (Day 1) and Day 365.	Hematology assessments of hemoglobin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. Hemoglobin results were summarized for Cohort 2 only.
Primary	Mean Percentage Change From Baseline in Hemoglobin at Day 365	Baseline (Day 1) and Day 365.	Hematology assessments of hemoglobin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. Hemoglobin results were summarized for Cohort 2 only.
Secondary	Mean Change From Baseline in Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Score at Day 365	Baseline (Day 1) and Day 365.	The FACIT-Fatigue Scale is a 13 item Likert scaled instrument where the subject was presented with 13 statements and asked to indicate their response as it applied to the past 7 days. The 5 possible responses were 'Not at all' (0), 'A little bit (1), 'Somewhat' (2), 'Quite a bit' (3) and 'Very much' (4). There are 13 statements with the total score ranging from 0 to 52 and higher scores indicating better quality of life. The FACIT-Fatigue Scale results were summarized for Cohort 2 only.
Secondary	Mean Change From Baseline in Absolute Reticulocyte Count (ARC) at Day 365	Baseline (Day 1) and Day 365.	Hematology assessments of ARC were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. ARC results were summarized for Cohort 2 only.
Secondary	Mean Percentage Change From Baseline in ARC at Day 365	Baseline (Day 1) and Day 365.	Hematology assessments of ARC were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the different parts of the treatment period. ARC results were summarized for Cohort 2 only.
Secondary	Mean Change From Baseline in Total Bilirubin at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of total bilirubin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the 3 parts of the treatment period. Total bilirubin results were summarized for Cohort 2 only.
Secondary	Mean Percentage Change From Baseline in Total Bilirubin at Day 365	Baseline (Day 1) and Day 365.	Serum chemistry assessments of total bilirubin were made at the last measurement prior to the first dose of pegcetacoplan (baseline) and periodically throughout the 3 parts of the treatment period. Total bilirubin results were summarized for Cohort 2 only.
Secondary	Number of Subjects Receiving Red Blood Cell (RBC) Transfusions	From Day 1 up to Day 533.	The number of on-study RBC transfusions were monitored throughout the treatment period.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
ClinicalTrials.govNo license stated
NIH RePORTER's clinical studies and project filesPublic domain

Each source's terms

ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
ClinicalTrials.govnone stated
NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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