Nancy Klimas

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Nancy G. Klimas, MD, is an American researcher and physician who is the Director at the Institute for Neuro Immune Medicine at Nova Southeastern University in Miami and Ft. Lauderdale, Florida. She is, also: Director of Clinical Immunology Research, Miami VAMC; Professor of Medicine, Department of Clinical Immunology, College of Osteopathic Medicine, Nova Southeastern University; Chair, Department of Clinical Immunology, College of Osteopathic Medicine, Nova Southeastern University; and Professor Emerita, University of Miami, School of Medicine.[1]

Awards[edit | edit source]

  • 2011, Nelson Gantz Outstanding Clinician Award awarded to a physician who emulates Nelson Gantz's clinical acumen, his passion for medicine, and his empathy for persons with CFS/FM awarded by IACFS/ME[2]
  • 2014, Rudy Perpich Senior Lectureship Award, presented to a distinguished CFS/FMS scientist, physician or healthcare worker awarded by IACFS/ME.[2]

Committees[edit | edit source]

2015 Institute of Medicine report[edit | edit source]
  • Dr. Klimas was one of the ME/CFS experts on the "Committee on the Diagnostic Criteria for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome" that was convened to produce the 2015 Institute of Medicine report.[3]
Case definition authorships[edit | edit source]
Chronic Fatigue Syndrome Advisory Committee[edit | edit source]
International Association for Chronic Fatigue Syndrome/Myalgic Encephalomyelitis[edit | edit source]
ME/CFS Common Data Elements (CDE) Project[edit | edit source]

ME/CFS Gene Study[edit | edit source]

Nancy Klimas is part of the Institute for Neuroimmune Medicine's ME/CFS Gene Study, which aims to "create a one of a kind genetic database for ME/CFS."[11] The ME/CFS Gene Study is a worldwide internet-based study that asks for either people with ME/CFS or Healthy Controls to submit gene information they have acquired themselves. Participants answer a questionnaire to check they can take part, then arrange their own gene testing through 23andMe or Ancestry DNA, which need saliva samples to be sent by post. They then send the results electronically to the study group.[11]

Research studies[edit | edit source]

Earlier studies[edit | edit source]

For earlier studies: Research studies of Nancy Klimas

Recent studies[edit | edit source]

Talks and interviews[edit | edit source]

There are many videos on YouTube of Nancy Klimas speaking about her work.[30]

Quotations[edit | edit source]

  • "They experience a level of disability equal to that of patients with late-stage AIDS and patients undergoing chemotherapy"[33]
  • "I split my clinical time between the two illnesses, and I can tell you if I had to choose between the two illnesses (in 2009) I would rather have H.I.V."[34]

Advocacy[edit | edit source]

Open Letter to The Lancet[edit | edit source]

Two open letters to the editor of The Lancet urged the editor to commission a fully independent review of the PACE trial, which the journal had published in 2011. In 2016, Dr. Klimas, along with 41 colleagues in the ME/CFS field, signed the second letter.

Online presence[edit | edit source]

Learn more[edit | edit source]

See also[edit | edit source]

References[edit | edit source]

  1. http://www.nova.edu/nim/clinic/dr.-nancy-klimas-bio-page.html
  2. 2.02.12.2 IACFS/ME. "Former IACFS/ME Awardees". 
  3. Clayton, Ellen Wright; Alegria, Margarita; Bateman, Lucinda; Chu, Lily; Cleeland, Charles; Davis, Ronald; Diamond, Betty; Ganiats, Theodore; Keller, Betsy; Klimas, Nancy; Lerner, A Martin; Mulrow, Cynthia; Natelson, Benjamin; Rowe, Peter; Shelanski, Michael (2015). "Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome - Redefining an Illness" (PDF). nationacademies.org. 
  4. Carruthers, Bruce M.; van de Sande, Marjorie I.; De Meirleir, Kenny L.; Klimas, Nancy G.; Broderick, Gordon; Mitchell, Terry; Staines, Donald; Powles, A. C. Peter; Speight, Nigel; Vallings, Rosamund; Bateman, Lucinda; Baumgarten-Austrheim, Barbara; Bell, David; Carlo-Stella, Nicoletta; Chia, John; Darragh, Austin; Jo, Daehyun; Lewis, Donald; Light, Alan; Marshall-Gradisnik, Sonya; Mena, Ismael; Mikovits, Judy; Miwa, Kunihisa; Murovska, Modra; Pall, Martin; Stevens, Staci (Aug 22, 2011). "Myalgic encephalomyelitis: International Consensus Criteria". Journal of Internal Medicine. 270 (4): 327–338. doi:10.1111/j.1365-2796.2011.02428.x. ISSN 0954-6820. PMC 3427890Freely accessible. PMID 21777306. 
  5. Jason, Leonard A; Jordan, Karen; Miike, Teruhisa; Bell, David S; Lapp, Charles; Torres-Harding, Susan; Rowe, Kathy; Gurwitt, Alan; De Meirleir, Kenny; Van Hoof, Elke LS (2006), "A Pediatric Case Definition for Myalgic Encephalomyelitis and Chronic Fatigue Syndrome", Journal of Chronic Fatigue Syndrome, 13 (2-3): 1-44, doi:10.1300/J092v13n02_01 
  6. Carruthers, Bruce M.; Jain, Anil Kumar; De Meirleir, Kenny L.; Peterson, Daniel L.; Klimas, Nancy G.; Lerner, A. Martin; Bested, Alison C.; Flor-Henry, Pierre; Joshi, Pradip; Powles, A C Peter; Sherkey, Jeffrey A.; van de Sande, Marjorie I. (2003), "Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Clinical Working Case Definition, Diagnostic and Treatment Protocols" (PDF), Journal of Chronic Fatigue Syndrome, 11 (2): 7-115, doi:10.1300/J092v11n01_02 
  7. http://nih.granicus.com/DocumentViewer.php?file=nih_e174f9bd-ae0f-4a45-9955-827cb608db2f.pdf
  8. http://iacfsme.org/Organization/Committees-of-the-IACFS-ME.aspx
  9. "Fatigue: Biomedicine, Health & Behavior". www.tandfonline.com. Retrieved Nov 1, 2019. 
  10. "Complete Myalgic Encephalomyelitis/Chronic Fatigue Syndrome CDE Roster". NIH. Retrieved Oct 11, 2019. 
  11. 11.011.1 Nova Southeastern University. "ME/CFS Genes Study | NSU Institute for Neuro Immune Medicine". NSU. Retrieved Nov 1, 2018. 
  12. Milrad, Sara F.; Hall, Daniel L.; Jutagir, Devika R.; Lattie, Emily G.; Ironson, Gail H.; Wohlgemuth, William; Vera Nunez, Maria; Garcia, Lina; Czaja, Sara J.; Perdomo, Dolores M.; Fletcher, Mary Ann; Klimas, Nancy; Antoni, Michael H. (2016), "Poor sleep quality is associated with greater circulating pro-inflammatory cytokines and severity and frequency of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) symptoms in women", Journal of Neuroimmunology, 0 (0), doi:10.1016/j.jneuroim.2016.12.008 
  13. Russell, Lindsey; Broderick, Gordon; Taylor, Renee; Fernandes, Henrique; Harvey, Jeanna; Barnes, Zachary; Smylie, AnneLiese; Collado, Fanny; Balbin, Elizabeth; Katz, Ben; Klimas, Nancy; Fletcher, Mary Ann (2016), "Illness progression in chronic fatigue syndrome: a shifting immune baseline", BMC Immunology, doi:10.1186/s12865-016-0142-3 
  14. Harvey, Jeanna M.; Broderick, Gordon; Bowie, Alanna; Barnes, Zachary M.; Katz, Ben Z.; O’Gorman, Maurice R. G.; Vernon, Suzanne D.; Fletcher, Mary Ann; Klimas, Nancy G. (Apr 26, 2016). "Tracking post-infectious fatigue in clinic using routine Lab tests". BMC Pediatrics. 16. doi:10.1186/s12887-016-0596-8. ISSN 1471-2431. PMC 4847210Freely accessible. PMID 27118537. 
  15. Barkin, JA; Czul, F; Barkin, JS; Klimas, NG; Rey, IR; Moshiree, B (2016), "Gastric Enterovirus Infection: A Possible Causative Etiology of Gastroparesis", Digestive Diseases and Sciences, 61 (8): 2344-50, doi:10.1007/s10620-016-4227-x, PMID 27344315 
  16. Milrad, Sara F.; Hall, Daniel L.; Jutagir, Devika R.; Lattie, Emily G.; Czaja, Sara J.; Perdomo, Dolores M.; Fletcher, Mary Ann; Klimas, Nancy; Antoni, Michael H. (2017), "Depression, evening salivary cortisol and inflammation in chronic fatigue syndrome: A psychoneuroendocrinological structural regression model", Int J Psychophysiol, 0 (0), doi:10.1016/j.ijpsycho.2017.09.009 
  17. Halpin, P; Williams, MV; Klimas, NG; Fletcher, MA; Barnes, Zachary; Ariza, ME (2017), "Myalgic encephalomyelitis/chronic fatigue syndrome and gulf war illness patients exhibit increased humoral responses to the herpesviruses-encoded dUTPase: Implications in disease pathophysiology", Journal of Medical Virology, doi:10.1002/jmv.24810, PMID 28303641 
  18. Nagy-Szakal, Dorottya; Williams, Brent L.; Mishra, Nischay; Che, Xiaoyu; Lee, Bohyun; Bateman, Lucinda; Klimas, Nancy G.; Komaroff, Anthony L.; Levine, Susan; Montoya, Jose G.; Peterson, Daniel L.; Ramanan, Devi; Jain, Komal; Eddy, Meredith L.; Hornig, Mady; Lipkin, W. Ian (2017), "Fecal metagenomic profiles in subgroups of patients with myalgic encephalomyelitis/chronic fatigue syndrome", Microbiome, 5 (44), doi:10.1186/s40168-017-0261-y 
  19. Unger, Elizabeth R.; Lin, Jin-Mann S.; Tian, Hao; Natelson, Benjamin H; Lange, Gudrun; Vu, Diana; Blate, Michelle; Klimas, Nancy G.; Balbin, Elizabeth G.; Bateman, Lucinda; Allen, Ali; Lapp, Charles W.; Springs, Wendy; Kogelnik, Andreas M.; Phan, Catrina C.; Danver, Joan; Podell, Richard N.; Fitzpatrick, Trisha; Peterson, Daniel L.; Gottschalk, C. Gunnar; Rajeevan, Mangalathu S.; MCAM Study Group (2017), "Multi-Site Clinical Assessment of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (MCAM): Design and Implementation of a Prospective/Retrospective Rolling Cohort Study.", American Journal of Epidemiology, 1–10, doi:10.1093/aje/kwx029 
  20. Hall, DL; Lattie, EG; Milrad, SF; Czaja, S; Fletcher, MA; Klimas, N; Perdomo, D; Antoni, MH (2017), "Telephone-administered versus live group cognitive behavioral stress management for adults with CFS", J Psychosom Res, 93: 41-47, doi:10.1016/j.jpsychores.2016.12.004 
  21. Montoya, Jose G; Anderson, Jill N; Adolphs, Danya L; Bateman, Lucinda; Klimas, Nancy; Levine, Susan M; Garvert, Donn W; Kaiser, Jon D (2018), "KPAX002 as a treatment for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS): A prospective, randomized trial" (PDF), International Journal of Clinical and Experimental Medicine, 11 (3): 2890-2900 
  22. Nagy-Szakal, Dorottya; Barupal, Dinesh K.; Lee, Bohyun; Che, Xiaoyu; Williams, Brent L.; Kahn, Ellie J. R.; Ukaigwe, Joy E.; Bateman, Lucinda; Klimas, Nancy G.; Komaroff, Anthony L.; Levine, Susan; Montoya, Jose G.; Peterson, Daniel L.; Levin, Bruce; Hornig, Mady; Fiehn, Oliver; Lipkin, W. Ian (2018), "Insights into myalgic encephalomyelitis/chronic fatigue syndrome phenotypes through comprehensive metabolomics", Scientific Reports, 8 (1): 10056, doi:10.1038/s41598-018-28477-9 
  23. Trivedi, Malav S.; Oltra, Elisa; Sarria, Leonor; Rose, Natasha; Beljanski, Vladimir; Fletcher, Mary Ann; Klimas, Nancy G.; Nathanson, Lubov (Jul 2018). "Identification of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome-associated DNA methylation patterns". PlosOne. doi:10.1371/journal.pone.0201066. 
  24. Klimas, N.G.; Fletcher, M.A.; Abreu, M.M.; Aenlle, K.; Craddock, T.; Broderick, G. (Feb 2019). "From biomarkers to targeted treatment: The myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and gulf war illness (GWI) story". Brain, Behavior, and Immunity. 76: e40. doi:10.1016/j.bbi.2018.11.301. 
  25. Morris, Matthew C.; Cooney, Katherine E.; Sedghamiz, Hooman; Abreu, Maria; Collado, Fanny; Balbin, Elizabeth G.; Craddock, Travis J.A.; Klimas, Nancy G.; Broderick, Gordon; Fletcher, Mary Ann (Mar 2019). "Leveraging Prior Knowledge of Endocrine Immune Regulation in the Therapeutically Relevant Phenotyping of Women With Chronic Fatigue Syndrome". Clinical Therapeutics. doi:10.1016/j.clinthera.2019.03.002. 
  26. Richman, Spencer; Morris, Matthew C.; Broderick, Gordon; Craddock, Travis J.A.; Klimas, Nancy G.; Fletcher, Mary Ann (Mar 2019). "Pharmaceutical Interventions in Chronic Fatigue Syndrome: A Literature-based Commentary". Clinical Therapeutics. doi:10.1016/j.clinthera.2019.02.011. 
  27. Jeffrey, Mary G.; Nathanson, Lubov; Aenlle, Kristina; Barnes, Zachary M.; Baig, Mirza; Broderick, Gordon; Klimas, Nancy G.; Fletcher, Mary Ann; Craddock, Travis J.A. (Mar 2019). "Treatment Avenues in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Split-gender Pharmacogenomic Study of Gene-expression Modules". Clinical Therapeutics. doi:10.1016/j.clinthera.2019.01.011. 
  28. Perez, Melanie; Jaundoo, Rajeev; Hilton, Kelly; Del Alamo, Ana; Gemayel, Kristina; Klimas, Nancy G.; Craddock, Travis J.; Nathanson, Lubov (May 2019). "Genetic Predisposition for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Pilot Study". Frontiers in Pediatrics. doi:10.3389/fped.2019.00206. 
  29. Milrad, Sara F.; Hall, Daniel L.; Jutagir, Devika R.; Lattie, Emily G.; Czaja, Sara J.; Perdomo, Dolores M.; Ironson, Gail; Doss, Brian D.; Mendez, Armando; Fletcher, Mary Ann; Klimas, Nancy; Antoni, Michael H. (Jul 2019). "Relationship satisfaction, communication self-efficacy, and chronic fatigue syndrome-related fatigue". Social Science & Medicine: 112392. doi:10.1016/j.socscimed.2019.112392. 
  30. YouTube - nancy klimas
  31. http://www.investinme.org/iimec12.shtml
  32. "Invest in ME Research - IIMEC14 14th Invest in ME Reseaerch International ME Conference 2019". www.investinme.org. Retrieved Feb 25, 2020. 
  33. University of Miami ME/CFS Researcher Nancy Klimas, MD, Explains Complexity of Chronic Fatigue Syndrome in Terms That Anybody Can Understand
  34. Readers Ask: A Virus Linked to Chronic Fatigue Syndrome

Institute of Medicine report (IOM report) - A report that was commissioned by the U.S. government and was published by the Institute of Medicine on February 10, 2015. The report was titled "Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness" and proposed the term Systemic Exertion Intolerance Disease (SEID). Among its key findings were that "This disease is characterized by profound fatigue, cognitive dysfunction, sleep abnormalities, autonomic manifestations, pain, and other symptoms that are made worse by exertion of any sort." The report further stated "Between 836,000 and 2.5 million Americans suffer from myalgic encephalomyelitis/chronic fatigue syndrome."

myalgic encephalomyelitis (ME) - A disease often marked by neurological symptoms, but fatigue is sometimes a symptom as well. Some diagnostic criteria distinguish it from chronic fatigue syndrome, while other diagnostic criteria consider it to be a synonym for chronic fatigue syndrome. A defining characteristic of ME is post-exertional malaise (PEM), or post-exertional neuroimmune exhaustion (PENE), which is a notable exacerbation of symptoms brought on by small exertions. PEM can last for days or weeks. Symptoms can include cognitive impairments, muscle pain (myalgia), trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, among others. An estimated 25% of those suffering from ME are housebound or bedbound. The World Health Organization (WHO) classifies ME as a neurological disease.

chronic fatigue syndrome (CFS) - A controversial term, invented by the U.S. Centers for Disease Control, that generally refers to a collection of symptoms as “fatigue”. There have been multiple attempts to come up with a set of diagnostic criteria to define this term, but few of those diagnostic criteria are currently in use. Previous attempts to define this term include the Fukuda criteria and the Oxford criteria. Some view the term as a useful diagnostic category for people with long-term fatigue of unexplained origin. Others view the term as a derogatory term borne out of animus towards patients. Some view the term as a synonym of myalgic encephalomyelitis, while others view myalgic encephalomyelitis as a distinct disease.

Chronic Fatigue Syndrome Advisory Committee (CFSAC) - (sometimes pronounced SIF-SACK) A US government advisory council that met twice per year, covering current topics related to Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Meetings usually lasted for two days and the results were presented to the Secretary of Health and Human Services (HHS). After 15 years, on September 5, 2018, CFSAC's charter was not renewed by the Department of HHS, effectively dissolving the committee without notice or warning.

ME/CFS - An acronym that combines myalgic encephalomyelitis with chronic fatigue syndrome. Sometimes they are combined because people have trouble distinguishing one from the other. Sometimes they are combined because people see them as synonyms of each other.

ME/CFS - An acronym that combines myalgic encephalomyelitis with chronic fatigue syndrome. Sometimes they are combined because people have trouble distinguishing one from the other. Sometimes they are combined because people see them as synonyms of each other.

chronic fatigue syndrome (CFS) - A controversial term, invented by the U.S. Centers for Disease Control, that generally refers to a collection of symptoms as “fatigue”. There have been multiple attempts to come up with a set of diagnostic criteria to define this term, but few of those diagnostic criteria are currently in use. Previous attempts to define this term include the Fukuda criteria and the Oxford criteria. Some view the term as a useful diagnostic category for people with long-term fatigue of unexplained origin. Others view the term as a derogatory term borne out of animus towards patients. Some view the term as a synonym of myalgic encephalomyelitis, while others view myalgic encephalomyelitis as a distinct disease.

enterovirus - A genus of RNA viruses which typically enter the body through the respiratory or gastrointestinal systems and sometimes spread to the central nervous system or other parts of the body, causing neurological, cardiac, and other damage. Since the first reports of myalgic encephalomyelitis (ME), enteroviruses have been suspected as a cause of ME. Enteroviruses have also been implicated as the cause of Type I diabetes, congestive heart failure, and other conditions. Enteroviruses include poliovirus, coxsackieviruses, and many others. New enteroviruses and new strains of existing enteroviruses are continuously being discovered. (Learn more: viralzone.expasy.org)

chronic fatigue syndrome (CFS) - A controversial term, invented by the U.S. Centers for Disease Control, that generally refers to a collection of symptoms as “fatigue”. There have been multiple attempts to come up with a set of diagnostic criteria to define this term, but few of those diagnostic criteria are currently in use. Previous attempts to define this term include the Fukuda criteria and the Oxford criteria. Some view the term as a useful diagnostic category for people with long-term fatigue of unexplained origin. Others view the term as a derogatory term borne out of animus towards patients. Some view the term as a synonym of myalgic encephalomyelitis, while others view myalgic encephalomyelitis as a distinct disease.

myalgic encephalomyelitis (ME) - A disease often marked by neurological symptoms, but fatigue is sometimes a symptom as well. Some diagnostic criteria distinguish it from chronic fatigue syndrome, while other diagnostic criteria consider it to be a synonym for chronic fatigue syndrome. A defining characteristic of ME is post-exertional malaise (PEM), or post-exertional neuroimmune exhaustion (PENE), which is a notable exacerbation of symptoms brought on by small exertions. PEM can last for days or weeks. Symptoms can include cognitive impairments, muscle pain (myalgia), trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, among others. An estimated 25% of those suffering from ME are housebound or bedbound. The World Health Organization (WHO) classifies ME as a neurological disease.

myalgic encephalomyelitis (ME) - A disease often marked by neurological symptoms, but fatigue is sometimes a symptom as well. Some diagnostic criteria distinguish it from chronic fatigue syndrome, while other diagnostic criteria consider it to be a synonym for chronic fatigue syndrome. A defining characteristic of ME is post-exertional malaise (PEM), or post-exertional neuroimmune exhaustion (PENE), which is a notable exacerbation of symptoms brought on by small exertions. PEM can last for days or weeks. Symptoms can include cognitive impairments, muscle pain (myalgia), trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, among others. An estimated 25% of those suffering from ME are housebound or bedbound. The World Health Organization (WHO) classifies ME as a neurological disease.

National Institutes of Health (NIH) - A set of biomedical research institutes operated by the U.S. government, under the auspices of the Department of Health and Human Services.

myalgic encephalomyelitis (ME) - A disease often marked by neurological symptoms, but fatigue is sometimes a symptom as well. Some diagnostic criteria distinguish it from chronic fatigue syndrome, while other diagnostic criteria consider it to be a synonym for chronic fatigue syndrome. A defining characteristic of ME is post-exertional malaise (PEM), or post-exertional neuroimmune exhaustion (PENE), which is a notable exacerbation of symptoms brought on by small exertions. PEM can last for days or weeks. Symptoms can include cognitive impairments, muscle pain (myalgia), trouble remaining upright (orthostatic intolerance), sleep abnormalities, and gastro-intestinal impairments, among others. An estimated 25% of those suffering from ME are housebound or bedbound. The World Health Organization (WHO) classifies ME as a neurological disease.

microbiome - The full collection of microscopic organisms (especially bacteria and fungi) which are present in a particular environment, particularly inside the human body.

metabolomics - The analysis of the chemical metabolism within cells, tissues or organisms. The term is often used to refer to the full set of metabolites found in a cell in a given environment.

The information provided at this site is not intended to diagnose or treat any illness.
From MEpedia, a crowd-sourced encyclopedia of ME and CFS science and history.