- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04253236
To Assess the Efficacy and Safety of RVT-1401 in the Treatment of Warm Autoimmune Hemolytic Anemia (ASCEND-WAIHA). (ASCEND-WAIHA)
A Phase 2, Multicenter, Non-Randomized, Open-Label Study of RVT-1401 for the Treatment of Patients With Warm Autoimmune Hemolytic Anemia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a Phase 2, non-randomized, sequential, open-label study to investigate the safety, tolerability, PK, PD, and efficacy of RVT-1401 (680 mg/weekly and 340 mg/weekly) in patients with Warm Autoimmune Hemolytic Anemia that is worsening or refractory in spite of therapy with steroids and or immunosuppressants or worsening with steroid or immunosuppressant taper. Two cohorts of participants will be enrolled in a non-randomized sequential approach. Participants will be enrolled into Cohort 1 (680 mg/weekly) first followed by Cohort 2 (340 mg/weekly).
Following the initial dose at the Baseline Visit (Week 1, Day 1), study visits will occur weekly throughout the treatment period. Following the final dose at Week 12, visits will occur weekly through Week 14 and then at Week 16 and Week 20. Safety, PK, PD, and clinical assessments will be collected throughout the study.
Each participant will participate in the study for up to approximately 24 weeks: up to a 4-week screening period, a 12-week treatment period, and an 8-week follow up period.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Afula, Israel, 1834111
- Ha'Emek Medical Center
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Haifa, Israel, 3436212
- Carmal MC
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Kfar Saba, Israel, 4428164
- Meir Medical Center
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Incheon, Korea, Republic of, 21565
- Gachon University Gil Medical Center
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Seongnam, Korea, Republic of, 13620
- Seoul National University Bundang Hospital
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Seoul, Korea, Republic of, 02841
- Korea University Anam Hospital
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Seoul, Korea, Republic of, 06351
- Samsung Medical Center
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Seoul, Korea, Republic of, 03080
- Seoul National University Hospital - Department of Internal Medicine
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Seoul, Korea, Republic of, 05-505
- Asan Medical Center
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Barcelona, Spain, 08035
- Hospital Universitario Quirónsalud Madrid
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Madrid, Spain, 28223
- Hospital Universitario Quirón
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Bangkok, Thailand, 10330
- Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital
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Chiang Mai, Thailand, 50200
- Faculty of Medicine, Chiang Mai University, Maharaj Nakorn Chiang Mai Hospital
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Hat Yai, Thailand, 90110
- Faculty of Medicine, Prince of Songkla University,Songklanagarind Hospital
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Khon Kaen, Thailand, 40002
- Faculty of Medicine, Khon Kaen University, Srinagarind Hospital
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Truro, United Kingdom, TR1 3LJ
- Royal Cornwall Hospital
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Iowa
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Iowa City, Iowa, United States, 52242
- University of Iowa Hospitals & Clinics
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Kentucky
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Louisville, Kentucky, United States, 40202
- Norton Cancer Institute
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Massachusetts
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Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital Cancer Center - Hematology/Oncology
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Michigan
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Ann Arbor, Michigan, United States, 48109
- University of Michigan - Internal Medicine Division of Hematology/Oncology
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North Carolina
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Greenville, North Carolina, United States, 27834
- Leo W. Jenkins Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female ≥ 18 years of age.
- Diagnosis of primary or secondary WAIHA as documented by a positive direct antiglobulin test (DAT) specific for anti-IgG alone or anti-IgG plus C3d.
- Secondary WAIHA may only include Stage 0 chronic lymphocytic leukemia (CLL) in which separate treatment is not indicated, nor anticipated to require active management for the duration of the study.
- Have failed or not tolerated at least one prior WAIHA treatment regimen as per local standards (e.g., steroids, rituximab, azathioprine, cyclophosphamide, cyclosporine, mycophenolate mofetil (MMF), danazol, or vincristine). Failure is defined as worsening or refractory disease despite steroids and or immunosuppressants.
- Participants with splenectomy ≥3 months from Day 1 who are up to date on vaccinations (based on age and local guidance) are allowed.
- At Screening and Baseline, subject's hemoglobin level must be <10 g/dL and the subject must have documented symptoms related to anemia (e.g., weakness, dizziness, fatigue, shortness of breath, chest pain).
- Subject's concurrent treatment for WAIHA may consist only of steroids (stable dose for at least two weeks prior to Day 1), immunosuppressant therapy (azathioprine, MMF, or cyclosporine) that has been at a stable dose for at least four weeks prior to Day 1, or erythropoietin (stable dose for at least 6 weeks prior to Day 1). [Note: starting doses of WAIHA therapy must be maintained throughout the study except in the case of a rescue medication as per local standards for safety. Steroid taper down to 10 mg/day will be allowed for participants who achieve response for at least 2 weeks.]
A female participant is eligible to participate if she is of:
- Non-childbearing potential defined as pre-menopausal females with a documented bilateral tubal ligation, bilateral oophorectomy (removal of the ovaries) or hysterectomy; hysteroscopic sterilization, or postmenopausal defined as 12 months of spontaneous amenorrhea.
- Child-bearing potential and agrees to use one of the contraception methods listed in the protocol for an appropriate period of time (as determined by the product label or Principal Investigator) prior to the start of dosing to sufficiently minimize the risk of pregnancy at that point. Female participants must agree to use contraception until 90 days after the last dose of study treatment.
- Male participants must agree to use one of the contraception methods listed in the protocol. This criterion must be followed from the time of the first dose of study treatment until 90 days after the last dose of study treatment.
- Willing and capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the consent form.
Other, more specific inclusion criteria are defined in the protocol.
Exclusion Criteria:
- Participants with other types of AIHA (e.g., cold antibody AIHA, cold agglutinin syndrome, mixed type AIHA, or paroxysmal cold hemoglobinuria).
- Participants requiring more than 2 units of RBC per week in the 2 weeks prior to Screening and Baseline.
- Use of rituximab, any monoclonal antibody for immunomodulation, or proteasome inhibitor, within the past 3 months prior to Screening.
- Immunoglobulins given by SC, IV (IVIG), or intramuscular route, or plasmapheresis/plasma exchange (PE) within 60 days before Screening.
- Total IgG level <6 g/L (at Screening).
- Absolute neutrophil count <1000 cells/mm3(at Screening).
Other, more specific exclusion criteria are defined in the protocol.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Cohort 1
Dosing Regimen A - 680 mg weekly for 12 weeks via once weekly subcutaneous (SC) injections
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Non-randomized subjects will receive subcutaneous injection of 680 mg weekly for 12 weeks of RVT-1401
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Experimental: Cohort 2
Dosing Regimen B - 340 mg weekly for 12 weeks via once weekly subcutaneous (SC) injections
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Non-randomized subjects will receive subcutaneous injection of 340 mg weekly for 12 weeks of RVT-1401
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Responders at Week 13
Time Frame: Week 13
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Responders were defined as the participants with level of hemoglobin (Hb) >=10 grams per deciliter (g/dL) with at least a >=2 g/dL increase from Baseline without rescue therapy or blood transfusions in the previous two weeks.
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Week 13
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Number of Participants With Any Treatment-emergent Adverse Event (TEAE), Serious AE (SAE), Treatment-related Adverse Event (AE), and Death
Time Frame: Up to Week 20
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AEs were defined as any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product.
Clinically significant changes determined by the Investigator such as vital signs, Electrocardiograms (ECGs), and clinical laboratory values were also reported as AEs.
TEAEs were defined as AEs that either started on or after the date of the first dose of study drug.
SAEs were defined as any untoward medical occurrence that, at any dose: resulted in death, was life-threatening, required hospitalization or prolongation of existing hospitalization, resulted in disability/incapacity, was a congenital anomaly/birth defect, or was an important medical event that may have jeopardized the participant or may have required medical or surgical intervention to prevent one of the other outcomes listed in the definition.
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Up to Week 20
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Time to Response
Time Frame: Up to Week 13
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The time to response was defined as the amount of time to achieve response (Hb levels >=10 g/dL with at least a >=2 g/dL increase from Baseline without rescue therapy or blood transfusions in the previous 2 weeks).
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Up to Week 13
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Time to Achieving Hb Levels in the Normal Range
Time Frame: Up to Week 13
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Time to achieving Hb levels in the normal range was assessed.
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Up to Week 13
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Number of Participants With Change in Functional Assessment of Chronic Illness Therapy-fatigue (FACIT-F) Score
Time Frame: Up to Week 13
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The FACIT-F scale was a validated scale which measured the physical, emotional and social implications of fatigue, one of the key clinical manifestations of warm autoimmune hemolytic anemia.
Scores ranged from 0-52, a higher score indicated a higher quality of life.
A score of less than 30 indicated severe fatigue.
The scale took approximately 5-10 minutes to complete.
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Up to Week 13
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Number of Participants With Change in Medical Research Council (MRC) Breathlessness Scale
Time Frame: Up to Week 13
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The MRC Breathlessness scale is a questionnaire that consisted of 5 statements about perceived Breathlessness and the focus of the scale was to quantify the disability associated with breathlessness.
Score ranged from Grade 0 (limited to no disability) to Grade 4 (severe disability); higher score indicated severe disability.
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Up to Week 13
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Number of Participants With Change in Euro Quality-5 Dimension-3 Level (EQ-5D-3L) Score
Time Frame: Up to Week 20
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The EQ-5D-3L is a validated measurement of health-related quality of life.
The scale consists of 2 components, the EQ-5D descriptive system and the EQ visual analogue scale (VAS).
The descriptive system evaluates mobility, self-care, usual activities, pain/discomfort and anxiety/depression.
Each dimension has 3 levels: 1=no problems, 2=some problems, and 3=extreme problems; a lower score indicated better quality of life.
The EQ VAS records the participant's self-rated health on a vertical visual analogue scale where the endpoints are labelled 'Best imaginable health state' (100) and 'Worst imaginable health state' (0).
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Up to Week 20
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Concentration of RVT-1401 Pre-dose
Time Frame: Pre-dose, Weeks 1, 2, 3, 4, 5, 6, 8, 10, 12 and 13 post-dose
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Blood samples were planned to be collected at indicated time points to measure the concentration of RVT-1401 pre-dose (Ctrough) as an assessment of the pharmacokinetic (PK) RVT-1401.
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Pre-dose, Weeks 1, 2, 3, 4, 5, 6, 8, 10, 12 and 13 post-dose
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Number of Participants With Presence of Anti-RVT 1401 Antibodies
Time Frame: Pre-dose on Weeks 1, 3, 5, 8, 13 and Week 20
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Blood samples were collected at indicated time points to determine presence of anti-RVT 1401 antibodies.
Participants with presence of anti-RVT 1401 antibodies is reported
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Pre-dose on Weeks 1, 3, 5, 8, 13 and Week 20
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Number of Participants With Change in Levels of Total Immunoglobulin (Ig)G and IgG Subclasses (1-4)
Time Frame: Up to Week 20
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Blood samples were collected at indicated time points for pharmacodynamic (PD) analysis of serum total IgG and IgG subclasses (1-4) concentrations.
Participants with changes in levels of Total IgG and IgG Subclasses (1-4) is reported.
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Up to Week 20
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RVT-1401-2003
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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.
Clinical Trials on Warm Autoimmune Hemolytic Anemia
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