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Vroom DC, Rodgers-Melnick SN, Brown T, Owusu-Ansah A, Dusek JA. Pain screening in youth with sickle cell disease: A quality improvement study. Pediatr Blood Cancer 2024; 71:e30912. [PMID: 38348535 DOI: 10.1002/pbc.30912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/01/2024] [Accepted: 01/27/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Youth with sickle cell disease (SCD) face several challenges as they age, including increased pain frequency, duration, and interference. The purpose of this study was to (i) determine the feasibility of routine pain screening; (ii) identify and describe various clinical pain presentations; and (iii) understand preferences/resources related to engaging in integrative health and medicine (IHM) modalities within an outpatient pediatric SCD clinic. METHODS During routine outpatient visits, patients aged 8-18 completed measures of pain frequency, duration, and chronic pain risk (Pediatric Pain Screening Tool [PPST]). Participants screening positive for (i) persistent or chronic pain or (ii) medium or high risk for persistent symptoms and disability on the PPST were asked to complete measures of pain interference, pain catastrophizing, and interest in/resources for engaging in IHM modalities. RESULTS Between March 2022 and May 2023, 104/141 (73.8%) patients who attended at least one outpatient visit were screened. Of these 104 (mean age 12.46, 53.8% female, 63.5% HbSS), 34 (32.7%) reported persistent or chronic pain, and 48 (46.2%) reported medium or high risk for persistent symptoms and disability. Patients completing subsequent pain screening measures reported a mean pain interference T-score of 53.2 ± 8.8 and a mean pain catastrophizing total score of 24.3 ± 10.2. Patients expressed highest interest in music (55.6%) and art therapy (51.9%) and preferred in-person (81.5%) over virtual programming (22.2%). CONCLUSIONS Comprehensive pain screening is feasible within pediatric SCD care. Classifying patients by PPST risk may provide a means of triaging patients to appropriate services to address pain-related psychosocial factors.
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Affiliation(s)
- Dennis C Vroom
- University Hospitals Connor Whole Health, Cleveland, Ohio, USA
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Samuel N Rodgers-Melnick
- University Hospitals Connor Whole Health, Cleveland, Ohio, USA
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Tracie Brown
- Department of Pediatrics - Hematology and Oncology, University Hospitals Rainbow Babies & Children's Hospital, Cleveland, Ohio, USA
| | - Amma Owusu-Ansah
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
- Department of Pediatrics - Hematology and Oncology, University Hospitals Rainbow Babies & Children's Hospital, Cleveland, Ohio, USA
| | - Jeffery A Dusek
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
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Elgamal OA, Fobare S, Vibhute S, Mehmood A, Vroom DC, Johnson ML, Stearns B, Lerma JR, Truxall J, Stahl E, Carmichael B, Orwick SJ, Mims AS, Curran E, Santhanam R, Tridandapani S, Phelps MA, Xie Z, Coss CC, Baker SD, Patrick J, Ezzell JK, Rai J, Pan J, Rai SN, Stillwell C, Wunderlich M, Abdulrahim M, Goodwin TE, Hilinski G, Bennett CE, Hertlein E, Byrd JC. Pyrimidine depletion enhances targeted and immune therapy combinations in acute myeloid leukemia. JCI Insight 2024; 9:e173646. [PMID: 38646934 DOI: 10.1172/jci.insight.173646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 03/05/2024] [Indexed: 04/25/2024] Open
Abstract
Acute myeloid leukemia (AML) is a fatal disease characterized by the accumulation of undifferentiated myeloblasts, and agents that promote differentiation have been effective in this disease but are not curative. Dihydroorotate dehydrogenase inhibitors (DHODHi) have the ability to promote AML differentiation and target aberrant malignant myelopoiesis. We introduce HOSU-53, a DHODHi with significant monotherapy activity, which is further enhanced when combined with other standard-of-care therapeutics. We further discovered that DHODHi modulated surface expression of CD38 and CD47, prompting the evaluation of HOSU-53 combined with anti-CD38 and anti-CD47 therapies, where we identified a compelling curative potential in an aggressive AML model with CD47 targeting. Finally, we explored using plasma dihydroorotate (DHO) levels to monitor HOSU-53 safety and found that the level of DHO accumulation could predict HOSU-53 intolerability, suggesting the clinical use of plasma DHO to determine safe DHODHi doses. Collectively, our data support the clinical translation of HOSU-53 in AML, particularly to augment immune therapies. Potent DHODHi to date have been limited by their therapeutic index; however, we introduce pharmacodynamic monitoring to predict tolerability while preserving antitumor activity. We additionally suggest that DHODHi is effective at lower doses with select immune therapies, widening the therapeutic index.
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Affiliation(s)
- Ola A Elgamal
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Sydney Fobare
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Sandip Vibhute
- Medicinal Chemistry Shared Resource, Comprehensive Cancer Center
| | - Abeera Mehmood
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Dennis C Vroom
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Mariah L Johnson
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Blaise Stearns
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - James R Lerma
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Jean Truxall
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Emily Stahl
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Bridget Carmichael
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Shelley J Orwick
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Alice S Mims
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - Emily Curran
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Ramasamy Santhanam
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | | | - Mitch A Phelps
- College of Pharmacy and Comprehensive Cancer Center; and
| | - Zhiliang Xie
- College of Pharmacy and Comprehensive Cancer Center; and
| | - Christopher C Coss
- Drug Development Institute, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Sharyn D Baker
- College of Pharmacy and Comprehensive Cancer Center; and
| | - Jeffrey Patrick
- Drug Development Institute, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Janel K Ezzell
- Drug Development Institute, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Jayesh Rai
- Division of Biostatistics and Bioinformatics, Department of Environmental and Public Health Sciences, College of Medicine
- Cancer Data Science Center, College of Medicine; and
- Biostatistics and Informatics Shared Resource, University of Cincinnati Cancer Center, University of Cincinnati, Cincinnati, Ohio, USA
| | - Jianmin Pan
- Division of Biostatistics and Bioinformatics, Department of Environmental and Public Health Sciences, College of Medicine
- Cancer Data Science Center, College of Medicine; and
- Biostatistics and Informatics Shared Resource, University of Cincinnati Cancer Center, University of Cincinnati, Cincinnati, Ohio, USA
| | - Shesh N Rai
- Division of Biostatistics and Bioinformatics, Department of Environmental and Public Health Sciences, College of Medicine
- Cancer Data Science Center, College of Medicine; and
- Biostatistics and Informatics Shared Resource, University of Cincinnati Cancer Center, University of Cincinnati, Cincinnati, Ohio, USA
| | - Cody Stillwell
- Division of Experimental Hematology and Cancer Biology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Mark Wunderlich
- Division of Experimental Hematology and Cancer Biology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | | | | | - Gerard Hilinski
- Drug Development Institute, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Chad E Bennett
- Medicinal Chemistry Shared Resource, Comprehensive Cancer Center
- Drug Development Institute, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Erin Hertlein
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
- Division of Hematology, Department of Internal Medicine, College of Medicine
| | - John C Byrd
- Division of Hematology and Oncology, Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
- Division of Hematology, Department of Internal Medicine, College of Medicine
- College of Pharmacy and Comprehensive Cancer Center; and
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LaPak KM, Vroom DC, Garg AA, Guan X, Hays JL, Song JW, Burd CE. Melanoma-associated mutants within the serine-rich domain of PAK5 direct kinase activity to mitogenic pathways. Oncotarget 2018; 9:25386-25401. [PMID: 29875996 PMCID: PMC5986637 DOI: 10.18632/oncotarget.25356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Accepted: 04/26/2018] [Indexed: 02/07/2023] Open
Abstract
The overexpression and hyperactivity of p21-activated serine/threonine kinases (PAKs) is known to facilitate tumorigenesis; however, the contribution of cancer-associated PAK mutations to tumor initiation and progression remains unclear. Here, we identify p21-activated serine/threonine kinase 5 (PAK5) as the most frequently altered PAK family member in human melanoma. More than 60% of melanoma-associated PAK5 gene alterations are missense mutations, and distribution of these variants throughout the protein coding sequence make it difficult to distinguish oncogenic drivers from passengers. To address this issue, we stably introduced the five most common melanoma-associated PAK5 missense mutations into human immortalized primary melanocytes (hMELTs). While expression of these mutants did not promote single-cell migration or induce temozolomide resistance, a subset of variants drove aberrant melanocyte proliferation. These mitogenic mutants, PAK5 S364L and D421N, clustered within an unstructured, serine-rich domain of the protein and inappropriately activated ERK and PKA through kinase-independent and -dependent mechanisms, respectively. Together, our findings establish the ability of mutant PAK5 to enhance PKA and MAPK signaling in melanocytes and localize the engagement of mitogenic pathways to a serine-rich region of PAK5.
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Affiliation(s)
- Kyle M LaPak
- Department of Molecular Genetics, The Ohio State University, Columbus, OH, USA
| | - Dennis C Vroom
- Department of Molecular Genetics, The Ohio State University, Columbus, OH, USA
| | - Ayush A Garg
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH, USA
| | - Xiangnan Guan
- Department of Molecular Genetics, The Ohio State University, Columbus, OH, USA
| | - John L Hays
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Jonathan W Song
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, OH, USA
| | - Christin E Burd
- Department of Molecular Genetics, The Ohio State University, Columbus, OH, USA.,Department of Cancer Biology and Genetics, The Ohio State University, Columbus, OH, USA
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