Phase i study of panobinostat in adults with sickle cell disease: novel approach to recruitment and retention

Active Project Grant Awarded Last action

Award ID
R33HL162681
Recipient
Awarding agency
Obligated
$8,975,768

Award facts

Assistance listing
93.837 Cardiovascular Diseases Research
Completion date 93% complete
Originally
Place of performance
Augusta, GA 30912, USA

Award details come from USAspending.gov.

Description

As the agency reported it.

Abstract
Although an orphan disease in the US with ~110,000 affected individuals, sickle cell disease (SCD) poses a major medical-economic problem, with hospitalization costs of >$1 billion annually. Patients with SCD suffer frequent vaso-occlusive pain episodes due to microvascular occlusion, hemolytic anemia, and a chronic inflammatory state precipitated by ischemia-reperfusion injury, culminating in organ failure and a shortened life expectancy. There are only four FDA-approved disease-modifying agents for SCD, including hydroxyurea (HU) in 1998, endari® (l-glutamine) in 2017 and more recently adakevo® (crizanlizumab) and oxbryta® (voxelotor) in 2019. HU primarily acts by reversing the perinatal switch from fetal to adult hemoglobin (HB) expression; increasing the fetal hemoglobin (HB f) content in red blood cells (rbcs) exerts a potent anti-sickling effect. Long-term beneficial effects of HU on survival and preservation of organ function was documented in multi- center study of hydroxyurea, based on a 17-year follow-up, and many other studies in adults and children with SCD; despite these benefits, HU is underutilized in SCD. While the reasons for underutilization of HU are being investigated in eight centers in an nhlbi-funded implementation study, clinical experience suggests patients have concerns about side effects, fertility, and carcinogenicity related to HU, thus creating an unmet need for additional disease-modifying anti-switching therapies. Histone deacetylase inhibitors (hdaci) have been shown to induce HB f expression in erythroid cultures, and in preclinical studies in mouse models of SCD, primarily by inhibiting epigenetic silencing of the fetal () globin genes via acetylation of histones and opening -globin genes chromatin to activate transcription. We previously conducted an investigator-initiated phase i trial of the pan- hdaci panobinostat in adults with SCD. Nine patients were treated with panobinostat 10 MG MWF, in three cohorts on different dosing schedules. The drug was well tolerated without toxicities or side effects. A slight increase in HB f and f-cells was noted in the 10 MG MWF continuous treatment dose. To test the efficacy of panobinostat, we propose to complete three specific aims: 1) complete a phase i trial with escalating panobinostat doses (18 total patients at 15 MG or 20 MG MWF on intermittent or continuous treatment). The primary end-point is to establish the safety and tolerability of panobinostat in SCD patients. Secondary endpoints will include monitoring changes in HB f and f-cells. 2) initiate a novel intervention to support study adherence, motivational interviewing, which has been shown to be effective in helping individuals overcome barriers to medication and treatment adherence in a variety of settings. 3) define biomarkers predictive of panobinostat treatment response. The acetylation of non-histone proteins including nfkb, stat, and P53 and inflammatory markers will be investigated. Furthermore, genome-wide biomarkers of histone acetylation will be discovered by chipseq and differentially expressed genes by rnaseq. This study will establish the safety of panobinostat in SCD and will provide proof-of-concept for targeting multiple pathways to expand treatment options.

Transactions

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Subawards

Subrecipient Amount Awarded
Research Triangle Institute $0
University Of South Carolina Change in PTE Contact PI from Dr. Abdullah Kutlar to Dr. Betty Sue Pace. $0
Research Triangle Institute Statistical support for the study will be provided by Dr. Karen Kesler and Ms. Stephanee Tillman. Dr. Kesler will serve as Senior Statistician on the study. She… $0
University Of South Carolina Dr. Lori L. Vick, PhD, Assistant Professor, will serve as co-investigator to the proposed grant application for R33, Phase I study of panobinostat in adults… $26,015
Research Triangle Institute Statistical support for the study will be provided by Dr. Karen Kesler and Ms. Stephanee Tillman. Dr. Kesler will serve as Senior Statistician on the study. She… $6,608
Research Triangle Institute $33,461
University Of South Carolina Dr. Lori L. Vick, PhD, Assistant Professor, will serve as co-investigator to the proposed grant application for R33, Phase I study of panobinostat in adults… $26,015
University Of South Carolina $6,578
University Of South Carolina $42,371
Research Triangle Institute RTI will be responsible for all statistical aspects of Aim 1 and Aim 3A. Tasks will include: • selecting analytical methods • doing the… $31,638

Quick answers

Who received award R33HL162681?

R33HL162681 was awarded to Augusta University Research Institute, Inc. by National Heart Lung and Blood Institute (National Institutes of Health) on February 15, 2023.

How much is award R33HL162681 worth?

$8,975,768 has been obligated on R33HL162681.

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