Charles W. Lapp

ORCID: 0000-0002-3082-9018
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About
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Research Areas
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • Psychosomatic Disorders and Their Treatments
  • Musculoskeletal pain and rehabilitation
  • Health, psychology, and well-being
  • Long-Term Effects of COVID-19
  • Genetic Neurodegenerative Diseases
  • Analytical Chemistry and Chromatography
  • Myofascial pain diagnosis and treatment
  • Effects of Vibration on Health
  • Eating Disorders and Behaviors
  • COVID-19 and Mental Health
  • Human Health and Disease
  • Psychology, Coaching, and Therapy
  • Spaceflight effects on biology
  • bioluminescence and chemiluminescence research
  • Radiopharmaceutical Chemistry and Applications
  • Reliability and Maintenance Optimization
  • Child Nutrition and Feeding Issues
  • Multiple Sclerosis Research Studies
  • biodegradable polymer synthesis and properties
  • Corporate Management and Leadership
  • Advanced Polymer Synthesis and Characterization
  • Advanced Physical and Chemical Molecular Interactions
  • T-cell and B-cell Immunology
  • Biopolymer Synthesis and Applications

Washington Center
2006-2024

Duke University
2013

Vrije Universiteit Brussel
2007

Duke Medical Center
1997-2006

American Academy of Pediatrics
2006

The Hunterian
2006

Duke University Hospital
1997

Brigham and Women's Hospital
1995

Laboratoire de Chimie Physique
1977-1978

Centre de Recherches sur les Macromolécules Végétales
1958-1965

Techniques of data mining and machine learning were applied to a large database medical facility claims from commercially insured patients determine the prevalence, gender demographics, costs for individuals with provider-assigned diagnosis codes myalgic encephalomyelitis (ME) or chronic fatigue syndrome (CFS). The frequency was 519 – 1,038/100,000 relative risk females being diagnosed ME CFS compared males 1.238 1.178, respectively. While percentage women ME/CFS is higher than men, not...

10.3389/fped.2018.00412 article EN cc-by Frontiers in Pediatrics 2019-01-08

For a diagnosis of chronic fatigue syndrome (CFS), most researchers use criteria that were developed by Fukuda et al. (1994), with modifications suggested Reeves (2003). However, this case definition was established for adults rather than children. A Canadian Case Definition (ME/CFS; Myalgic Encephalomyelitis/CFS) has recently been developed, more specific inclusion (Carruthers al., 2003). Again, the primary aim is to diagnose adult CFS. significant problem in literature lack both pediatric...

10.1300/j092v13n02_01 article EN Journal of Chronic Fatigue Syndrome 2006-01-01

Background Chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) is a severely debilitating disease of unknown pathogenesis consisting variety symptoms including severe fatigue. The objective the study was to examine efficacy and safety TLR-3 agonist, rintatolimod (Poly I: C12U), in patients with CFS/ME. Methods Findings A Phase III prospective, double-blind, randomized, placebo-controlled trial comparing twice weekly IV versus placebo conducted 234 subjects long-standing, CFS/ME at 12...

10.1371/journal.pone.0031334 article EN cc-by PLoS ONE 2012-03-14

Mycoplasma fermentans and other species are colonizers of human mucosal surfaces may be associated with immunodeficiency virus infection. While many infectious agents have been described in different percentages patients Chronic Fatigue Syndrome (CFS), little is known about the prevalence mycoplasmas especially M. CFS patients. A polymerase chain reaction (PCR)-based assay was used to detect genus genomes peripheral blood mononuclear cells (PBMC) Blood collected from 100 50 control subjects....

10.1111/j.1574-695x.1998.tb01226.x article EN FEMS Immunology & Medical Microbiology 1998-12-01

Chronic fatigue syndrome (CFS) is a complex and serious illness that often misunderstood. Experts have noted the terminology "chronic syndrome" can trivialize this stigmatize persons who experience its symptoms (1). The name was coined by group of clinicians convened CDC in late 1980s to develop research case definition for illness, which, at time, called chronic Epstein-Barr virus syndrome. CFS suggested because characteristic persistent experienced all those affected evidence acute or...

10.15585/mmwr.mm655051a4 article EN MMWR Morbidity and Mortality Weekly Report 2016-12-29

In the Multi-Site Clinical Assessment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (MCAM), we relied on expert clinician diagnoses to enroll patients from 7 specialty clinics in United States order perform a systematic collection data measures myalgic encephalomyelitis (ME)/chronic fatigue syndrome (CFS). Healthy persons and those with other illnesses that share some features ME/CFS were enrolled comparison groups. The major objectives to: 1) use standardized questionnaires measure...

10.1093/aje/kwx029 article EN American Journal of Epidemiology 2017-02-15

Abstract. Vojdani A, Ghoneum M, Choppa PC, Magtoto L, Lapp CW (Immunosciences Laboratory Inc., Beverly Hills, and Charles Drew University School of Medicine Science, Los Angeles, California, the Hunter‐Hopkins Centre, Charlotte, North Carolina, USA). Elevated apoptotic cell population in patients with chronic fatigue syn‐drome: pivotal role protein kinase RNA. J Intern Med 1997; 242: 465478. Objectives: A prominent feature syndrome (CFS) is a disordered immune system. Recent evidence...

10.1111/j.1365-2796.1997.tb00019.x article EN Journal of Internal Medicine 1997-12-01

Overlapping symptomatologies between Chronic Fatigue Syndrome (CFS) and Chemical Sensitivity have been observed by different investigators. Therefore, it is of great importance to develop biomarker(s) for possible differentiation viral induced CFS (without sensitivity chemicals) versus chemically CFS. Since interferon proteins 2-5A Synthetase Protein Kinase RNA (PKR) implicated in the induction CFS, objective this study was utilize PKR activity either viruses or chemicals. Based on CDC...

10.3109/08923979909052757 article EN Immunopharmacology and Immunotoxicology 1999-01-01

In 2009, a retrospective study reported the detection of xenotropic murine leukemia virus-related virus (XMRV) in clinical isolates derived from individuals with chronic fatigue syndrome or myalgic encephalomyelitis (CFS). While many efforts to confirm this observation failed, one report detected polytropic (pMLV), instead XMRV. both studies, Polymerase Chain Reaction (PCR)-based methods were employed which could provide basis for development practical diagnostic tool. To these we...

10.1186/1756-0500-7-461 article EN cc-by BMC Research Notes 2014-08-04

One of the goals Multi-site Clinical Assessment Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (MCAM) study was to evaluate whether clinicians experienced in diagnosing and caring for patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) recognized same clinical entity.

10.3390/jcm13051369 article EN Journal of Clinical Medicine 2024-02-28

Patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) experience cognitive problems attention, information processing speed, working memory, learning efficiency, and executive function. Commonly, patients report worsening of symptoms over time after physical and/or challenges. To determine, monitor, manage longitudinal decrements in function such exposures, it is important to be able screen for dysfunction changes clinic also remotely at home. The primary objectives this...

10.3389/fnins.2024.1460157 article EN cc-by Frontiers in Neuroscience 2024-11-01

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a multisystem illness characterized by substantial reduction in function accompanied profound unexplained not significantly relieved rest, post-exertional malaise, and other symptoms. Reduced natural killer (NK) cell count cytotoxicity has been investigated as biomarker for ME/CFS, but few clinical laboratories offer the test multi-site verification studies have conducted.We determined NK counts 174 (65%) 86 (32%) healthy control...

10.1186/s12967-023-03958-2 article EN cc-by Journal of Translational Medicine 2023-04-03
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