Status:

TERMINATED

AB1 in Adult Patients with Sickle Cell Disease (SCD)

Lead Sponsor:

Nirmish Shah

Conditions:

Sickle Cell Disease

Eligibility:

All Genders

18-45 years

Phase:

PHASE1

PHASE2

Brief Summary

This will be an open-label, dose escalating study with a starting dose of 2mg. Up to 6 additional cohorts will be enrolled at subsequently higher doses of 4mg, 8mg, 10mg, 12mg, 16mg, and 32mg. In each...

Detailed Description

This will be an open-label, dose escalating study with a starting dose of 2mg. Up to 4 additional cohorts will be enrolled at subsequently higher doses of 4mg, 8mg, 16mg, and 32mg. * Cohort 1 - Two (...

Eligibility Criteria

Inclusion

  • Written, informed consent
  • Age 18 to 45 years of age, inclusive at screening
  • Confirmed SS or S-b0-thalassemia SCD
  • Sickle crisis rate of 2-10 within the past year with no crisis in the last 28 days
  • HbF \<8.6% of total Hb at screening
  • Regular compliance with comprehensive care and previous therapy -

Exclusion

  • Experienced severe sepsis or septic shock within the previous 12 weeks
  • Febrile illness in the 1 week prior to baseline visit
  • Acute complications due to SCD (i.e., hospitalization, acute pain, or acute chest syndrome) in the 28 days prior to screening visit
  • Plans for hospitalization, surgery, or other major procedures during the duration of the study or between screening and baseline
  • ALT ≥2X the upper limit of normal or albumin \<2.0 mg/dL or direct (conjugated) bilirubin ≥ 1.5 mg/dl\*
  • Serum creatinine \>2.9 mg/dL and calculated creatinine clearance \<30 mL/min# \*
  • Platelet count \>800 x 109/L OR \<150 x 109/L\*
  • Absolute neutrophil count \<1.5 x 109/L\*
  • Currently pregnant or breastfeeding
  • Female of active childbearing potential$ who is unwilling or unable to adhere to the contraception requirements specified in the protocol
  • Male with female partner(s) of childbearing potential$ who is unwilling or unable to adhere to the contraception requirements specified in the protocol
  • Altered mental status or recurrent seizures requiring anti-seizure medications
  • Moribund or any concurrent disease (e.g., hepatic, renal, cardiac, metabolic) of such severity that death within 24 weeks is likely
  • Concurrent diagnosis of malignancy including MDS, leukemia, or an abnormal karyotype
  • Known Vitamin-B12, folate, or iron deficiency
  • New York Heart Association (NYHA) class III/IV status
  • Eastern Co-operative Oncology Group (ECOG) performance status ≥3
  • Participant is on chronic transfusion therapy (e.g., for history of TIA or stroke) and medically contraindicated to discontinue transfusions (unless multiple allo-antibodies prevent the patient from getting transfusions as scheduled)
  • Blood transfusion in the 28 days prior to screening visit or between screening and baseline visits
  • Known history of illicit drug or alcohol abuse within the past 12 months.
  • Current treatment with Oxbryta or Adakveo (must be off therapy for 30 days for Oxbryta with no plans to restart and off therapy for 3 months for Adakveo with no plans to restart)
  • Other experimental or investigational drug therapy in the past 28 days -

Key Trial Info

Start Date :

December 5 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2024

Estimated Enrollment :

16 Patients enrolled

Trial Details

Trial ID

NCT05261711

Start Date

December 5 2022

End Date

October 1 2024

Last Update

December 4 2024

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Augusta University Medical Center

Augusta, Georgia, United States, 30912

2

Duke University Medical Center

Durham, North Carolina, United States, 27710

3

East Carolina University

Greenville, North Carolina, United States, 27834