A Study to Assess the Efficacy and Safety of BIVV009 (Sutimlimab) in Participants With Primary Cold Agglutinin Disease Without A Recent History of Blood Transfusion (Cadenza)

December 1, 2022 updated by: Bioverativ, a Sanofi company

A Phase 3, Randomized, Double-blind, Placebo-controlled Study to Assess the Efficacy and Safety of Sutimlimab in Patients With Primary Cold Agglutinin Disease Without a Recent History of Blood Transfusion

The purpose of Part A was to determine whether sutimlimab administration resulted in a greater than or equal to (>=)1.5 grams per deciliter (g/dL) increase in hemoglobin (Hgb) level and avoidance of transfusion in participants with primary cold agglutinin disease (CAD) without a recent history of blood transfusion. The purpose of Part B was to evaluate the long-term safety and tolerability of sutimlimab in participants with primary CAD.

Study Overview

Status

Completed

Detailed Description

The planned total study duration per participant was approximately 1.5 to 2.5 years.

Study Type

Interventional

Enrollment (Actual)

42

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Queensland
      • Buderim, Queensland, Australia, 4556
        • USC Health Clinics
    • Victoria
      • Ballarat, Victoria, Australia, 3350
        • Ballarat Oncology & Haematology
      • Clayton, Victoria, Australia, 3168
        • Monash Medical Centre
    • Western Australia
      • West Perth, Western Australia, Australia, 6005
        • Perth Blood Institute
      • Vienna, Austria, 1090
        • Medical University of Vienna
      • Antwerpen, Belgium, 2060
        • ZNA Stuivenberg
      • Leuven, Belgium, 3000
        • University Hospitals Leuven
    • Ontario
      • Toronto, Ontario, Canada, M5B1W8
        • St. Michael's Hospital
    • Quebec
      • Montréal, Quebec, Canada, H4A3J1
        • McGill University Health center
      • Angers Cedex 9, France, 49933
        • CHU d'Angers
      • Caen, France, 14033
        • Hôpital de Caen
      • Créteil, France, 94000
        • Centre Hospitalier Henri Mondor
      • Pierre-Bénite, France, 69495
        • Centre Hospitalier Lyon Sud
      • Dresden, Germany, 1307
        • Gemeinschaftspraxis Hämatologie-Onkologie
      • Essen, Germany, 45147
        • Universitätsklinikum Essen
      • Ulm, Germany, 89081
        • Univ Ulm, Inst Klin. Transfusions. Immungen
      • Jerusalem, Israel, 91120
        • Hadassah Medical Center
      • Netanya, Israel, 4244916
        • Laniado Hospital
      • Brescia, Italy, 25123
        • A. O. Spedali Civili di Brescia
      • Milan, Italy, 20122
        • Fondazione IRCSS Ca' Granda Ospedale Maggiore Policlinico
      • Rome, Italy, 00168
        • U.O.C. Ematologia- Policlinico "A. Gemelli"
      • Vicenza, Italy, 36100
        • U.O.C. Ematologia Ospedale San Bortolo
      • Nagakute, Japan, 480-1195
        • Aichi Medical University Hospital
    • Hyogo
      • Himeji, Hyogo, Japan, 670-8540
        • Japanese Red Cross Society Himeji Hospital
    • Ishikawa-ken
      • Kanazawa, Ishikawa-ken, Japan, 9208530
        • Ishikawa Prefectural Central Hospital
    • Kanagawa
      • Isehara, Kanagawa, Japan, 259-1193
        • Tokai University Hospital
    • Osaka
      • Suita, Osaka, Japan, 565-0871
        • Osaka University Hospital
    • Saitama-Ken
      • Iruma-gun, Saitama-Ken, Japan, 350-0495
        • Saitama Medical University Hospital
      • Amsterdam, Netherlands, 1105
        • Academisch Medisch Centrum
      • Leiden, Netherlands, 2333
        • Leids Universitair Medisch Centrum
      • Bergen, Norway, 5053
        • Haukeland University Hospital
      • Trondheim, Norway, 7030
        • St Olavs Hospital, Avdeling for blodsykdommer
      • Barcelona, Spain, 08036
        • Hospital Clinci i Provincial de Barcelona
      • Sevilla, Spain, 41013
        • Hospital Universitario Virgen del Rocio
      • Valencia, Spain, 46017
        • Hospital Universitario Dr. Peset
    • Madrid
      • Majadahonda, Madrid, Spain, 28222
        • Hospital Universitario Puerta de Hierro
      • Leeds, United Kingdom, LS9 7TF
        • St James Hospital, Leeds
      • London, United Kingdom, W12 0HS
        • Imperial College Healthcare NHS Trust, Hammersmith Hospital
      • London, United Kingdom, WC1E 6AG
        • University College London
    • Arizona
      • Tucson, Arizona, United States, 85711
        • Arizona Oncology Associates PC
    • California
      • Los Angeles, California, United States, 90033
        • USC/Keck School of Medicine
    • District of Columbia
      • Georgetown, District of Columbia, United States, 20007
        • Georgetown University Medical Center
    • Florida
      • Weston, Florida, United States, 33331
        • Cleveland Clinic Florida
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Brigham and Women's Hospital
      • Boston, Massachusetts, United States, 02114
        • Massachusetts General Hospital
    • Missouri
      • Saint Louis, Missouri, United States, 63110
        • Washington University School of Medicine
    • New York
      • New York, New York, United States, 10461
        • Montefiore Medical Center
      • Valhalla, New York, United States, 10595
        • New York Medical College at Westchester Medical Center
    • North Carolina
      • Greenville, North Carolina, United States, 27834
        • East Carolina University
    • Ohio
      • Cleveland, Ohio, United States, 44195
        • Cleveland Clinic
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19104
        • Hospital of the University of Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15232
        • University of Pittsburgh Medical Center
    • Wisconsin
      • Madison, Wisconsin, United States, 53792
        • UW Hospitals and Clinics

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion criteria:

  • Body weight of >=39 kg at screening.
  • Confirmed diagnosis of primary CAD 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 degree Celsius, and e) Immunoglobulin G DAT less than or equal to (<=) 1+, and, f) No overt malignant disease.
  • Hemoglobin level <= 10.0 g/dL.
  • Bilirubin level above the normal reference range, including participants with Gilbert's Syndrome.

Exclusion criteria:

  • Cold agglutinin syndrome secondary to infection, rheumatologic disease, or active hematologic malignancy.
  • History of blood transfusion within 6 months of screening, or history of more than one blood transfusion within 12 months of screening.
  • Clinically relevant infection of any kind within the month preceding enrollment (example, active hepatitis C, pneumonia).
  • Clinical diagnosis of systemic lupus erythematosus; or other autoimmune disorders with anti-nuclear antibodies at screening. Anti-nuclear antibodies of long-standing duration without associated clinical symptoms would be adjudicated on a case-by-case basis during the confirmatory review of participant eligibility.
  • Positive hepatitis panel (including hepatitis B surface antigen and/or hepatitis C virus antibody) prior to or at screening.
  • Positive human immunodeficiency virus antibody at screening.
  • Treatment with rituximab monotherapy within 3 months or rituximab combination therapies (example, with bendamustine, fludarabine, ibrutinib, or cytotoxic drugs) within 6 months prior to enrollment.

The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: BIVV009/BIVV009
Participants with primary CAD and without a recent history of blood transfusion during the last 6 months prior to enrollment in this study, received an intravenous (IV) infusion of BIVV009 6.5 g (for participants less than [<]75 kilograms [kg]) or 7.5 g dose (for participants greater than or equal to [>=]75 kg) on Day 0 and Day 7 and every 14 days thereafter in Part A up to Week 25. Participants who completed Part A per protocol through the end of treatment visit (Week 26), received placebo on Week 26 and continued to receive BIVV009 6.5 or 7.5 g in Part B, every 2 weeks starting at Week 27 for up to an additional 149 weeks (for 6.5 g) or 121 weeks (for 7.5 g). All participants who completed Part A elected to continue in Part B.
Pharmaceutical form: solution for injection Route of administration: intravenous (i.v.)
Experimental: Placebo/BIVV009
Participants with primary CAD and without a recent history of blood transfusion during the last 6 months prior to enrollment in this study, received an IV infusion of placebo matched to BIVV009 on Day 0 and Day 7 and every 14 days thereafter in Part A up to Week 25. Participants who completed Part A per protocol through the end of treatment visit (Week 26) received BIVV009 6.5 (if <75 kg) or 7.5 g (if >=75 kg) in Part B, on Week 26 and Week 27 and every 2 weeks thereafter for up to an additional 123 weeks (for 6.5 g) or 137 weeks (for 7.5 g). All participants who completed Part A elected to continue in Part B.
Pharmaceutical form: solution for injection Route of administration: intravenous (i.v.)
Pharmaceutical form: solution for injection Route of administration: intravenous (i.v.)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part A: Percentage of Participants With Response to Treatment
Time Frame: From Week 5 through Week 26
A participant was considered a responder: if he or she did not receive blood transfusion from Week 5 through Week 26 (end of treatment) and did not receive treatment for CAD beyond what was permitted per protocol. Additionally, participant's hemoglobin (Hgb) level must have increased to >=1.5 grams per deciliter (g/dL) from baseline (defined as last Hgb value before administration of first dose of study drug) at treatment assessment timepoint (defined as average of values from the Week 23, 25, and 26 visits). Percentage of responders was calculated together with 95% exact Clopper-Pearson confidence interval (CI).
From Week 5 through Week 26
Part B: Number of Participants With Treatment-emergent Adverse Events (AEs) and Serious AEs (SAEs)
Time Frame: Part B, 6.5 g cohort: From first dose (Week 26) up to 149 weeks of treatment + 9 weeks of follow-up (i.e., up to Week 184); Part B, 7.5 g cohort: From first dose (Week 26) up to 137 weeks of treatment + 9 weeks of follow-up (i.e., up to Week 172)
Adverse Event (AE): any untoward medical occurrence in a participant who received study drug and did not necessarily have to have a causal relationship with the treatment. Treatment emergent serious adverse events (TESAEs) was defined as any untoward medical occurrence that at any dose: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was congenital anomaly/birth defect, was medically important event. Treatment emergent adverse events (TEAEs): AEs that developed, worsened or became serious during the treatment-emergent (TE) period (from first investigational medicinal product [IMP] administration in Part B to last IMP administration + 9 weeks follow-up period).
Part B, 6.5 g cohort: From first dose (Week 26) up to 149 weeks of treatment + 9 weeks of follow-up (i.e., up to Week 184); Part B, 7.5 g cohort: From first dose (Week 26) up to 137 weeks of treatment + 9 weeks of follow-up (i.e., up to Week 172)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Part B: Number of Blood Transfusions Per Participant
Time Frame: From Week 27 up to 149 weeks of treatment (i.e., up to Week 176)
A participant was to receive a transfusion if his or her Hgb level met either of the following criteria: Hgb was <9 g/dL and the participant had symptoms of anemia or Hgb was <7 g/dL and the participant was asymptomatic.
From Week 27 up to 149 weeks of treatment (i.e., up to Week 176)
Part A: Mean Change From Baseline in Hemoglobin (Hgb) Level at the Treatment Assessment Timepoint
Time Frame: Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Mean change from baseline (Week 0) in Hemoglobin (Hgb) at the treatment assessment timepoint is reported in this outcome measure. Treatment assessment timepoint was defined as the average of the values from the Week 23, 25, and 26 visits. Least squares (LS) mean and 95 % confidence interval (CI) was assessed by Mixed Model for Repeated Measures (MMRM) approach using heterogeneous Toeplitz (TOEPH) covariance matrix with change from baseline as the dependent variable and baseline value and visits as independent variables. Baseline was defined as the last non-missing value prior to the first administration of study drug.
Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Part A: Mean Change From Baseline in Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Scale Score at the Treatment Assessment Timepoint
Time Frame: Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
FACIT-Fatigue scale consists of 13 questions assessed using a 5-point scale (0=not at all; 1 = a little bit, 2 = somewhat, 3 = quite a bit and 4 = very much). Responses to each question were added to obtain a total score. Total score ranged from 0 to 52, with higher score indicating more fatigue. Treatment assessment timepoint was defined as the average of the values from the Week 23, 25, and 26 visits. LS mean and 95% CI was assessed by MMRM approach using TOEPH covariance matrix with change from baseline (Week 0) as the dependent variable and baseline value and visits as independent variables. Baseline was defined as the last non-missing value prior to the first administration of study drug.
Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Part A: Mean Change From Baseline in Total Bilirubin Levels at the Treatment Assessment Timepoint
Time Frame: Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Mean change from baseline (Week 0) in total bilirubin at the treatment assessment timepoint is reported in this outcome measure. Treatment assessment timepoint was defined as the average of the values from the Week 23, 25, and 26 visits. Baseline was defined as the last non-missing value prior to the first administration of study drug.
Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Part A: Mean Change From Baseline in Lactate Dehydrogenase (LDH) at the Treatment Assessment Timepoint
Time Frame: Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Mean change from baseline (Week 0) in LDH at the treatment assessment timepoint is reported in this outcome measure. Treatment assessment timepoint was defined as the average of the values from the Week 23, 25, and 26 visits. Baseline was defined as the last non-missing value prior to the first administration of study drug.
Baseline (Week 0), treatment assessment timepoint (i.e., average of Week 23, 25 and 26)
Part A: Percentage of Participants With Solicited Symptomatic Anemia at Week 26
Time Frame: Week 26
Symptomatic anemia was defined as having following symptoms: i. Fatigue; ii. Weakness; iii. Shortness of breath; iv. Palpitations, fast heartbeat; v. Light headedness and/or vi. Chest pain. Percentage of participants with solicited symptomatic anemia symptoms was reported in this outcome measure.
Week 26
Part B: Change From Baseline in Hemoglobin (Hgb) Level at Each Specified Time Points
Time Frame: Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Change from baseline (Week 0) in Hgb levels at each specified time points (i.e., Week 27, 29, 31, 33, 35, 37, 39, 41, 43,45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83,85,87, 89,91, 93, 95, 97, 99,101,103, 105, 107,109, 111,113,115,117,119, 121,123, 125, 127,129,131,133,135,137,139,141,143,145,147,149,151,153, 155,157,159,161,163,165,167,169,171,173,175 and ET/SFU Visit) is reported in this outcome measure. Baseline was defined as the last non-missing value prior to the first administration of study drug in Part A. Early Termination (ET) visit/safety follow up (SFU) visit was 9 weeks after administration of last dose (i.e., up to Week 184). Here, "0" in the number analyzed field signifies that none of participants were available for assessment at the specified timepoints.
Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Part B: Change From Baseline in Total Bilirubin Levels at Each Specified Time Points
Time Frame: Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Change from baseline (Week 0) in total bilirubin levels at each specified time points (i.e., Week 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65,67,69,71,73,75, 77, 79, 81,83, 85, 87, 89, 91, 93, 95, 97, 99,101,103, 105, 107,109, 111,113,115,117,119, 121, 123, 125, 127,129,131,133,135,137,139,141,143, 145,147,149,151,153,155,157,159, 161,163,165,167,169,171,173,175 and ET/SFU Visit) is reported in this outcome measure. Baseline was defined as the last non-missing value prior to the first administration of study drug in Part A. ET visit/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184). Here, "0" in the number analyzed field signifies that none of participants were available for assessment at the specified timepoints.
Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Part B: Change From Baseline in Functional Assessment of Chronic Illness Therapy (FACIT)-Fatigue Scale Score (Quality of Life) at Each Specified Time Points
Time Frame: Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
FACIT-Fatigue scale consists of 13 questions assessed using a 5-point scale (0=not at all; 1 = a little bit, 2 = somewhat, 3 = quite a bit and 4 = very much). Responses to each question were added to obtain a total score. The Total score ranged from 0 to 52, with higher score indicating more fatigue. Baseline (Week 0) was defined as the last non-missing value prior to the first administration of study drug in Part A. ET visit/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
Part B: Change From Baseline in 12-Item Short-Form Survey (SF-12) Physical Component Summary (PCS) and Mental Component Summary (MCS) Scores at Each Specified Time Points
Time Frame: Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
SF-12: 12 item-questionnaire assessed health-related quality of life (HRQOL), contained 12 items, categorized into 8 domains (subscales) of functioning and well-being: physical functioning, role-physical, role emotional, mental health, bodily pain, general health, vitality and social functioning, with each domain score ranged from 0 (poor health) to 100 (better health). Higher scores = good health condition. These 8 domains were further summarized into 2 summary scores, PCS and MCS that ranged from 0 (poor health) to 100 (better health). Higher scores = better HRQOL. Baseline (Week 0): last non-missing value prior to first administration of study drug in Part A. ET visit/SFU visit: 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
Part B: Change From Baseline in 5-level European Quality of Life 5- Dimensions 5-Level Questionnaire (EQ-5D-5L) Health State Utility Index and VAS Scores at Each Specified Time Points
Time Frame: Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
EQ-5D-5L included 2 components: health state utility index (descriptive system) and Visual Analog Scale (VAS). EQ-5D descriptive system comprises 5 dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 response option: no problem, slight problem, moderate problem, severe problem and extreme problems measured with Likert scale. EQ-5D-5L responses converted into single index utility score between 0 to 1. Higher score=better health. EQ-5D-5L VAS rated participant's current health state on scale from 0 (worst imaginable health) to 100 (best imaginable health). Baseline (Week 0): last non-missing value prior to first administration of study drug in Part A. ET visit/SFU visit: 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
Part B: Number of Participants With Response to Participant's Global Impression of (Fatigue) Severity (PGIS) Questionnaire at Each Specified Time Points
Time Frame: Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
The PGIS is a self-reported scale. The PGIS is a 1-item questionnaire designed to assess participant's impression of disease severity using a 5-point scale ranging from 1 to 5, where 1=none, 2=mild, 3=moderate, 4=severe, 5=very severe. Higher scores indicated greater severity. ET visit/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
Part B: Number of Participants With Response to Participant's Global Impression of Change (PGIC) Questionnaire at Each Specified Time Points
Time Frame: Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
PGIC is a self-administered questionnaire to evaluate the improvement or worsening compared to the start of the study. PGIC was assessed on a 7-point Likert scale ranged from 1 (greatly improved) to 7 (greatly worsened). Categories were defined based on the PGIC scores as follows: 1=very much improved, 2=much improved, 3=minimally improved, 4=no change, 5=minimally worse, 6=much worse and 7=very much worsen. Higher scores indicated greater severity. ET visit/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), Weeks 39, 51, 63, 75, 87, 99, 111, 123, 135, 147, 159, 171 and ET Visit/SFU visit (i.e., up to Week 184)
Part B: Mean Change From Baseline in Lactate Dehydrogenase (LDH) Level at Each Specified Time Points
Time Frame: Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Change from baseline (Week 0) in LDH levels at each specified time points (i.e., Week 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107,109, 111, 113, 115, 117, 119, 121,123, 125, 127,129,131,133,135,137,139,141,143,145,147, 149, 151,153,155,157,159,161,163,165,167,169, 171, 173, 175 and ET/SFU Visit) is reported in this outcome measure. Baseline was defined as the last non-missing value prior to the first administration of study drug in Part A. ET/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184).
Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Part B: Mean Change From Baseline in Haptoglobin Values at Each Specified Time Points
Time Frame: Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Change from baseline (Week 0) in haptoglobin values at each specified time points (i.e., Week 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97,99,101,103, 105, 107,109, 111,113,115,117,119, 121,123, 125, 127, 129,131,133,135,137,139,141,143, 145,147,149,151,153,155,157,159, 161,163,165,167,169,171,173,175 and ET/SFU Visit) is reported in this outcome measure. Baseline was defined as the last non-missing value prior to the first administration of study drug in Part A. ET/SFU visit was 9 weeks after administration of last dose (i.e., up to Week 184). Haptoglobin values <0.2 were imputed as 0.2.
Baseline (Week 0), every 2 weeks starting from Week 27 till Week 175 and at ET/SFU visit (i.e., up to Week 184)
Part B: Number of Healthcare Visits by Type
Time Frame: From Week 27 up to 149 weeks of treatment (i.e., up to Week 176)
In this outcome measure, number of healthcare visits which included non-study healthcare resource utilization visit (consisted mainly of extra visits to the office of the study doctor, visit to a generalist doctor or visit to a specialist doctor), hospitalization visit and visit to hospital emergency is reported.
From Week 27 up to 149 weeks of treatment (i.e., up to Week 176)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 17, 2018

Primary Completion (Actual)

December 3, 2021

Study Completion (Actual)

December 3, 2021

Study Registration Dates

First Submitted

November 16, 2017

First Submitted That Met QC Criteria

November 16, 2017

First Posted (Actual)

November 20, 2017

Study Record Updates

Last Update Posted (Actual)

December 23, 2022

Last Update Submitted That Met QC Criteria

December 1, 2022

Last Verified

December 1, 2022

More Information

Terms related to this study

Other Study ID Numbers

  • EFC16216
  • 2017-003539-12 (EudraCT Number)
  • BIVV009-04 (Other Identifier: Bioverativ Therapeutics Inc.)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

IPD Plan Description

Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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