search
Back to results

Early Initiation of Oral Therapy With Cyclosporine and Eltrombopag for Treatment Naive Severe Aplastic Anemia (SAA)

Primary Purpose

Severe Aplastic Anemia

Status
Recruiting
Phase
Phase 2
Locations
United States
Study Type
Interventional
Intervention
Eltrombopag
Cyclosporine
Horse-Anti-thymocyte-Globulin
Sponsored by
National Heart, Lung, and Blood Institute (NHLBI)
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Severe Aplastic Anemia focused on measuring Immunosuppression, T-cells, Hematopoiesis, Autoimmunity, Thrombocytopenia

Eligibility Criteria

3 Years - 99 Years (Child, Adult, Older Adult)All SexesDoes not accept healthy volunteers
  • INCLUSION CRITERIA:

    1. Age >= 3 years old
    2. Weight >12Kg
    3. Severe aplastic anemia:
  • Bone marrow cellularity <30% (excluding lymphocytes) AND At least two of the following:

    • Absolute neutrophil count <500/microliter
    • Platelet count <20,000/microliter
    • Absolute reticulocyte count <60,000/microliter

EXCLUSION CRITERIA:

  1. Known diagnosis or high suspicion of Fanconi anemia or other constitutional marrow failure syndrome
  2. Evidence of a clonal disorder on cytogenetics performed within 12 weeks of study entry involving chromosome 7 or complex karyotype. Patient will not be excluded if cytogenetics are not done or are pending
  3. A course of prior immunosuppressive therapy (ATG, cyclosporine, alemtuzumab, and high dose cyclophosphamide), or eltrombopag
  4. SGOT or SGPT >2.5 times the upper limit of normal or total bilirubin >1.5 x upper limit of normal
  5. Subjects with liver cirrhosis (as determined by the investigator).
  6. Subjects with human immunodeficiency virus (HIV) who are not receiving antiretroviral therapy, have detectable HIV RNA viral load and have CD4 cell count <200/microliter, or are on anti-retroviral therapy that interacts with the study drugs. subjects will not be excluded if HIV testing is pending or unavailable.
  7. Glomerular filtration rate (GFR) <40 mL/min/1.73m^2
  8. Hypersensitivity to EPAG or its components
  9. Infection not adequately responding to appropriate therapy
  10. Moribund status or concurrent hepatic, renal, cardiac, neurologic, pulmonary, infectious, or metabolic disease of such severity that it would preclude the patient's ability to tolerate protocol therapy, or that death within 7-10 days is likely
  11. Potential subjects with cancer who are on active chemotherapeutic treatment or who take drugs with hematological effects will not be eligible
  12. Inability to understand the investigational nature of the study or to give informed consent or does not have a legally authorized representative or surrogate that can provide informed consent.
  13. Inability to swallow
  14. Unable to participate in audio/video telecommunication
  15. Inability to ship the study drug to participant
  16. History or current diagnosis of cardiac disease indicating significant risk of safety for patients participating in the study such as uncontrolled or significant cardiac disease,

    including any of the following: Recent myocardial infarction (within last 6 months), uncontrolled congestive heart failure, unstable angina (within last 6 months), clinically significant (symptomatic) cardiac arrhythmias (e.g., sustained ventricular tachycardia, and clinically significant second or third degree AV block without a pacemaker.), long QT

    syndrome, family history of idiopathic sudden death, congenital long QT syndrome or additional risk factors for cardiac repolarization abnormality, as determined by the investigator.

  17. Impaired cardiac function, such as: Corrected QTc >450 msec using Fridericia correction (QTcF) on the screening ECG (using triplicate ECGs), other clinically significant cardiovascular disease (e.g., uncontrolled hypertension, history of labile hypertension), history of known structural abnormalities (e.g. cardiomyopathy).
  18. Concurrent participation in an investigational study within 30 days prior to enrollment or within 5-half-lives of the investigational product, whichever is longer. Note: parallel enrollment in a disease registry is permitted.
  19. Known thrombophilic risk factors. Exception: Subjects for whom the potential benefits of participating in the study outweigh the potential risks of thromboembolic events, as determined by the investigator.
  20. Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, unless they are using basic methods of contraception during dosing of study treatment. Basic contraception methods include:

    - Total abstinence (when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation

    methods) and withdrawal are not acceptable methods of contraception

    • Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy), total hysterectomy, or tubal ligation at least six weeks before taking study treatment. In case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment
    • Male sterilization (at least 6 months prior to screening). The vasectomized male partner should be the sole partner for that subject
    • Barrier methods of contraception: Condom or Occlusive cap. For the UK: with spermicidal foam/gel/film/cream/ vaginal suppository
    • Use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS), or other forms of hormonal contraception that have comparable efficacy (failure rate <1%), for example hormone vaginal ring or transdermal hormone contraception.

      • In case of use of oral contraception women should have been stable on the same pill for a minimum of 3 months before taking study treatment.
  21. Female subjects who are nursing or pregnant (positive serum or urine B-human chorionic gonadotrophin (B-hCG) pregnancy test) at screening or pre-dose on Day 1
  22. Sexually active males unless they use a condom during intercourse while taking the drug during treatment, and for 7 days after stopping treatment (and for an additional 12 weeks [for genotoxic compounds]) and should not father a child in this period. A condom is required to be used also by vasectomized men as well as during intercourse with a male partner in order to prevent delivery of the drug via semen.

Sites / Locations

  • National Institutes of Health Clinical CenterRecruiting

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

SAA

Arm Description

Subjects with SAA treated with early initiation of oral treatment

Outcomes

Primary Outcome Measures

Composite measure of TRSAE, mis- and altered diagnosis, and non-compliance with the regimen or failure to establish care at the NIH CC
Safety and feasibility of rapid initiation of oral treatment regimen, CsA + EPAG prior to receiving standard regimen at the NIH Clinical Center

Secondary Outcome Measures

Hematological response
Relapse
Clonal evolution to PNH, clonal chromosomal population in bone marrow, myelodysplasia by morphology, or acute leukemia
Overall survival
Hematological response of relapse subjects that re-start treatment with cyclosporine and/or eltrombopag
Freedom from h-ATG

Full Information

First Posted
March 10, 2020
Last Updated
September 28, 2023
Sponsor
National Heart, Lung, and Blood Institute (NHLBI)
search

1. Study Identification

Unique Protocol Identification Number
NCT04304820
Brief Title
Early Initiation of Oral Therapy With Cyclosporine and Eltrombopag for Treatment Naive Severe Aplastic Anemia (SAA)
Official Title
Early Initiation of Oral Therapy With Cyclosporine and Eltrombopag for Treatment Naive Severe Aplastic Anemia (SAA)
Study Type
Interventional

2. Study Status

Record Verification Date
September 27, 2023
Overall Recruitment Status
Recruiting
Study Start Date
May 7, 2020 (Actual)
Primary Completion Date
March 1, 2024 (Anticipated)
Study Completion Date
May 31, 2028 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
National Heart, Lung, and Blood Institute (NHLBI)

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No

5. Study Description

Brief Summary
Background: Severe aplastic anemia (SAA) is a rare and serious blood disorder. It causes the immune system to turn against bone marrow cells. Standard treatment for SSA is a combination of 3 drugs (Cyclosporine [CsA], Eltrombopag [EPAG], and horse anti-thymocyte globulin [h-ATG]). Researchers want to see if starting people at a lower dose of CsA with EPAG before giving them h-ATG is helpful. Objective: To learn if early initiation of oral therapy with CsA and EPAG is safe and effective in people who have SAA and have not been treated with a course of immunosuppressive therapy and EPAG. Eligibility: People ages 3 and older with SAA Design: Participants will be screened with: medical history physical exam electrocardiogram blood tests family history bone marrow biopsy current medicines. Participants may be screened remotely via telephone conference. Participants will take a lower oral dose of CsA and EPAG. They will take CsA twice a day for 6 months. They will take EPAG for 6 months. Those who cannot visit the NIH Clinical Center within 72 hours will start taking the drugs at home. They will have weekly telephone calls with NIH staff until they visit the Clinical Center. Participants may get h-ATG at the Clinical Center for 4 days. For this, they will have a central line placed. It is a plastic tube inserted into a neck, chest, or arm vein. Participants will repeat most screening tests throughout the study. Participants will have follow-up visits at the Clinical Center at 3 months, 6 months, and annually for 5 years after the start of the study....
Detailed Description
Severe aplastic anemia (SAA) is a life-threatening bone marrow failure characterized by pancytopenia and a hypocellular marrow. Allogeneic bone marrow transplantation is curative in younger patients, but older age and/or lack of a suitable donor have limited application of this procedure. As an alternative to transplant, immunosuppressive treatment (IST) has provided durable remissions and similar long term survival [1]. Approximately 2/3 of patients who receive IST with horse anti-thymocyte globulin (h-ATG) and cyclosporine (CsA) have blood count recovery, but 25-30% do not respond and 30-40% will relapse. A likely explanation for partial recovery and relapse is incomplete elimination of auto-reactive T cells and insufficient stem cell reserve. Thrombopoietin (TPO) is a key regulator of hematopoietic stem cell renewal and survival. To improve the hematologic response rate, our group assessed the addition of eltrombopag (EPAG), a synthetic mimetic of TPO, to IST in treatment na(SqrRoot) ve SAA. This combination achieved a higher complete response rate to about 50% and an overall response rate to 80%, both superior to historic controls [2]. This regimen received FDA approval in November 2018. Combined therapy is now being tested in a European randomized study. Furthermore, protocols have been developed internationally to determine whether EPAG and CsA, without ATG, are sufficient to improve blood counts, in countries where ATG is not available. The long-term complications, relapse and clonal evolution, were no worse with the addition of EPAG than in our historical cohort, but still remain a problem. Clonal evolution occurs in 10-15% of patients and is defined as development of myelodysplastic syndrome or acute myeloid leukemia with characteristic cytogenetic abnormalities of aneuploidy, especially monosomy 7 or deletion 7q. There are no predictive tools to identify patients at higher risk for either of these two long term events. Because SAA is a rare disease, treatment has been recommended to take place at a specialized center. However, delays in reaching such centers and initiating therapy are common. From current understanding of the disease, immune destruction of cells is ongoing during this period, likely impacting on both short and long term outcomes. We propose early initiation of lower dose CsA (2mg/kg/day) and EPAG to decrease ongoing immune destruction and stimulate HSPC while awaiting full work up and transfer to the Clinical Center (CC). The aim of this study is to test feasibility and safety of initiating oral therapy before arriving to the NIH, based on diagnostic tests performed by local physicians and interpretation from experts here. Treatment will be initiated remotely but under complete guidance and supervision of the research team at the Hematology Branch. All patients except the ones who achieve complete response will receive standard three drug regimen upon completion of work up here at the CC. Primary endpoint of the study will be to assess feasibility and safety as a composite measure of misdiagnosis, non-compliance with the regimen or failure to establish care at the Clinical Center within 8 weeks of initiating treatment, and TRSAE (treatment related serious adverse events). Secondary endpoints are response rates at landmark time points, relapse, overall survival, and clonal evolution.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Severe Aplastic Anemia
Keywords
Immunosuppression, T-cells, Hematopoiesis, Autoimmunity, Thrombocytopenia

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
39 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
SAA
Arm Type
Experimental
Arm Description
Subjects with SAA treated with early initiation of oral treatment
Intervention Type
Drug
Intervention Name(s)
Eltrombopag
Intervention Description
Between 12 and 17yo (adult dose of 150mg) Between 6 and 11yo (75 mg) Between 3 and 5 yo (2.5 mg/kg)
Intervention Type
Drug
Intervention Name(s)
Cyclosporine
Intervention Description
Day 1 to start of h-ATG: 2mg/kg/day by mouth (All subjects) Start of h-ATG to Month 6: 3 mg/kg/dose by mouth administered every 12 hours (12yo and above) 6 mg/kg/dose by mouth administered every 12 hours (less than 12yo) Month 6 to Month 24: Dosing to be adjusted based on response
Intervention Type
Drug
Intervention Name(s)
Horse-Anti-thymocyte-Globulin
Intervention Description
h-ATG at a dose of 40 mg/kg/day for 4 days (intravenously for approximately 4 hours daily) Note: Omitted in patients who have achieved a complete response at the initial NIH visit after initiating oral treatment remotely
Primary Outcome Measure Information:
Title
Composite measure of TRSAE, mis- and altered diagnosis, and non-compliance with the regimen or failure to establish care at the NIH CC
Description
Safety and feasibility of rapid initiation of oral treatment regimen, CsA + EPAG prior to receiving standard regimen at the NIH Clinical Center
Time Frame
8 Weeks from the initiation of oral treatment
Secondary Outcome Measure Information:
Title
Hematological response
Time Frame
At 1, 2, 3, 6 and 12 months and yearly thereafter
Title
Relapse
Time Frame
At 1, 2, 3, 6 and 12 months and yearly thereafter
Title
Clonal evolution to PNH, clonal chromosomal population in bone marrow, myelodysplasia by morphology, or acute leukemia
Time Frame
At 1, 2, 3, 6 and 12 months and yearly thereafter
Title
Overall survival
Time Frame
At 5 Years (60 Months)
Title
Hematological response of relapse subjects that re-start treatment with cyclosporine and/or eltrombopag
Time Frame
At 1, 2, 3, 6 and 12 months and yearly thereafter
Title
Freedom from h-ATG
Time Frame
At 1, 2, 3, 6 and 12 months and yearly thereafter

10. Eligibility

Sex
All
Minimum Age & Unit of Time
3 Years
Maximum Age & Unit of Time
99 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
INCLUSION CRITERIA: Age >= 3 years old Weight >12Kg Severe aplastic anemia: Bone marrow cellularity <30% (excluding lymphocytes) AND At least two of the following: Absolute neutrophil count <500/microliter Platelet count <20,000/microliter Absolute reticulocyte count <60,000/microliter EXCLUSION CRITERIA: Known diagnosis or high suspicion of Fanconi anemia or other constitutional marrow failure syndrome Evidence of a clonal disorder on cytogenetics performed within 12 weeks of study entry involving chromosome 7 or complex karyotype. Patient will not be excluded if cytogenetics are not done or are pending A course of prior immunosuppressive therapy (ATG, cyclosporine, alemtuzumab, and high dose cyclophosphamide), or eltrombopag SGOT or SGPT >2.5 times the upper limit of normal or total bilirubin >1.5 x upper limit of normal Subjects with liver cirrhosis (as determined by the investigator). Subjects with human immunodeficiency virus (HIV) who are not receiving antiretroviral therapy, have detectable HIV RNA viral load and have CD4 cell count <200/microliter, or are on anti-retroviral therapy that interacts with the study drugs. subjects will not be excluded if HIV testing is pending or unavailable. Glomerular filtration rate (GFR) <40 mL/min/1.73m^2 Hypersensitivity to EPAG or its components Infection not adequately responding to appropriate therapy Moribund status or concurrent hepatic, renal, cardiac, neurologic, pulmonary, infectious, or metabolic disease of such severity that it would preclude the patient's ability to tolerate protocol therapy, or that death within 7-10 days is likely Potential subjects with cancer who are on active chemotherapeutic treatment or who take drugs with hematological effects will not be eligible Inability to understand the investigational nature of the study or to give informed consent or does not have a legally authorized representative or surrogate that can provide informed consent. Inability to swallow Unable to participate in audio/video telecommunication Inability to ship the study drug to participant History or current diagnosis of cardiac disease indicating significant risk of safety for patients participating in the study such as uncontrolled or significant cardiac disease, including any of the following: Recent myocardial infarction (within last 6 months), uncontrolled congestive heart failure, unstable angina (within last 6 months), clinically significant (symptomatic) cardiac arrhythmias (e.g., sustained ventricular tachycardia, and clinically significant second or third degree AV block without a pacemaker.), long QT syndrome, family history of idiopathic sudden death, congenital long QT syndrome or additional risk factors for cardiac repolarization abnormality, as determined by the investigator. Impaired cardiac function, such as: Corrected QTc >450 msec using Fridericia correction (QTcF) on the screening ECG (using triplicate ECGs), other clinically significant cardiovascular disease (e.g., uncontrolled hypertension, history of labile hypertension), history of known structural abnormalities (e.g. cardiomyopathy). Concurrent participation in an investigational study within 30 days prior to enrollment or within 5-half-lives of the investigational product, whichever is longer. Note: parallel enrollment in a disease registry is permitted. Known thrombophilic risk factors. Exception: Subjects for whom the potential benefits of participating in the study outweigh the potential risks of thromboembolic events, as determined by the investigator. Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, unless they are using basic methods of contraception during dosing of study treatment. Basic contraception methods include: - Total abstinence (when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception Female sterilization (have had surgical bilateral oophorectomy with or without hysterectomy), total hysterectomy, or tubal ligation at least six weeks before taking study treatment. In case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment Male sterilization (at least 6 months prior to screening). The vasectomized male partner should be the sole partner for that subject Barrier methods of contraception: Condom or Occlusive cap. For the UK: with spermicidal foam/gel/film/cream/ vaginal suppository Use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS), or other forms of hormonal contraception that have comparable efficacy (failure rate <1%), for example hormone vaginal ring or transdermal hormone contraception. In case of use of oral contraception women should have been stable on the same pill for a minimum of 3 months before taking study treatment. Female subjects who are nursing or pregnant (positive serum or urine B-human chorionic gonadotrophin (B-hCG) pregnancy test) at screening or pre-dose on Day 1 Sexually active males unless they use a condom during intercourse while taking the drug during treatment, and for 7 days after stopping treatment (and for an additional 12 weeks [for genotoxic compounds]) and should not father a child in this period. A condom is required to be used also by vasectomized men as well as during intercourse with a male partner in order to prevent delivery of the drug via semen.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Olga J Rios, R.N.
Phone
(301) 496-4462
Email
olga.rios@nih.gov
First Name & Middle Initial & Last Name or Official Title & Degree
Bhavisha A Patel, M.D.
Phone
(301) 402-3477
Email
bhavisha.patel@nih.gov
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Bhavisha A Patel, M.D.
Organizational Affiliation
National Heart, Lung, and Blood Institute (NHLBI)
Official's Role
Principal Investigator
Facility Information:
Facility Name
National Institutes of Health Clinical Center
City
Bethesda
State/Province
Maryland
ZIP/Postal Code
20892
Country
United States
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)
Phone
800-411-1222
Ext
TTY8664111010
Email
prpl@cc.nih.gov

12. IPD Sharing Statement

Links:
URL
https://clinicalstudies.info.nih.gov/cgi/detail.cgi?A_2020-H-0033.html
Description
NIH Clinical Center Detailed Web Page

Learn more about this trial

Early Initiation of Oral Therapy With Cyclosporine and Eltrombopag for Treatment Naive Severe Aplastic Anemia (SAA)

We'll reach out to this number within 24 hrs