Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is an illness with a history of controversy. Although it is classified as an organic disease by a majority of researchers, it was historically assumed to be psychosocial, an opinion still held among many physicians. [1] The pathophysiology of ME/CFS remains unclear, there exist many competing diagnostic criteria, and some proposed treatments are controversial. [2] There is a lack of education and accurate information about the condition among a significant number of medical practitioners, which has led to substantiated accusations of patient neglect and harm. [1] [3]
ME/CFS suffers from a lack of awareness among clinical professionals. Despite being a relatively common and disabling disease, a large proportion of professionals are either unaware or dismissive of it. This often leads to patient neglect, which happens in clinical, government, bureaucratic, and research settings. [1] [4] [5]
Despite ample evidence that ME/CFS is an organic disease, many clinicians do not recognise it as genuine or underestimate its seriousness. [6] [1] [4] A 2020 literature review found that “a third to a half of all GPs did not accept ME/CFS as a genuine clinical entity and, even when they did, they lacked confidence in diagnosing or managing it.” [4]
A substantial proportion of medical schools do not teach about ME/CFS, and the large majority do not provide clinical exposure to ME/CFS patients. [7] In 2021, the UK NICE found that “medical students reported that there is little or no formal training on ME/CFS in the medical curriculum and that their knowledge often comes from media”. [8]
Training influences attitudes towards ME/CFS. One study conducted a relatively brief seminar presenting factual information on the illness to a cohort of fourth year medical students. The authors concluded the information provided was associated with a more favorable attitude toward ME/CFS. [9]
Governments, medical institutions, and the medical community have been criticised for neglecting people with ME/CFS. [1] [10] [11] [12] George Monbiot, a journalist for the Guardian, called the neglect and its consequences “the greatest medical scandal of the 21st century”. [5] Individuals with the condition describe the struggle for healthcare and legitimacy due to what is described as bureaucratic denial of the condition because of its lack of a known etiology. Institutions maintain the exclusion of patient support by rhetorical arguments of the open-endedness of science to delay new findings of fact. [13] [14]
A 2006 investigation by a group from the Parliament of the United Kingdom found there was not enough support in the UK for CFS patients in terms of access to government benefits and health care. [15]
Epidemic cases of myalgic encephalomyelitis (ME) were called mass hysteria by psychiatrists McEvedy and Beard in 1970, [16] provoking criticism in letters to the editor of the British Medical Journal by attending physicians, researchers, and nurses who fell ill. [17] [18] [19] [20] [21] [22] [23] [24] [25] [ excessive citations ]
The psychiatrists were criticized for not investigating the patients they described, [26] and their conclusions have been refuted. [27] [28] [29] In 1978 a symposium held at the Royal Society of Medicine (RSM) concluded that epidemic myalgic encephalomyelitis was a distinct disease entity. [30]
However, the idea that CFS may be culturally mediated persisted in some quarters. In her 1997 book Hystories: Hysterical Epidemics and Modern Culture, literary critic and feminist Elaine Showalter argues that chronic fatigue syndrome is a "hysterical narrative", a modern manifestation of hysteria, a self-perpetuating "cultural symptom of anxiety and stress" historically assigned to women. [31]
Governments and health organisations have been criticised for their lack of funding into ME/CFS research. ME/CFS is one of the most underfunded diseases compared to disease burden. [32] [33] The funds are only approximately 3-7% of what comparable diseases are allocated. [32] [33] Meanwhile the economic impact of ME/CFS is estimated at 149-362 billion USD in the United States alone. [33]
In 2009, the journal Science [34] published a study that identified the XMRV retrovirus in blood samples of a population of people with CFS. After the Science publication, media attention generated interest in the XMRV virus worldwide.
Many countries reacted quickly to protect the blood supply from the XMRV retrovirus by banning persons with CFS from donating blood. The United States funded a 1.3 million dollar study to try to validate the findings, and some people with the illness started taking antiviral drugs in hopes of symptomatic improvement. [35] Organizations adopting these or similar measures included the Canadian Blood Services, [36] the New Zealand Blood Service, [37] the Australian Red Cross Blood Service [38] and the American Association of Blood Banks. [39] In November 2010, the UK National Blood Service permanently deferred ME/CFS patients from donating blood to prevent potential harm to the donor. [40]
Many studies failed to reproduce this finding, [41] [42] [43] and recriminations of misconduct from the various stakeholders grew angry and bitter. [35]
In 2011, the editor of Science formally retracted its XMRV paper [44] while the Proceedings of the National Academy of Sciences similarly retracted a 2010 paper which had appeared to support the finding of a connection between XMRV and CFS. [45] Studies eventually concluded that neither people nor the blood supply had been infected with the XMRV virus, and the origin of the virus was likely a lab contaminant in the supplies used by the polymerase chain reaction (PCR) process of the studies that found virus in blood. [46]
PACE was a large trial investigating the efficacy and safety of three treatments adjunctive to specialist medical care (SMC): cognitive behavioural therapy (CBT), graded exercise therapy (GET), and adaptive pacing therapy (APT). The results were published in February 2011 and concluded that CBT and GET were each "moderately" effective compared to SMC alone, while APT was not found to be effective when added to SMC. [47]
The trial generated considerable criticism. Letters to the editor critiqued the definitions of secondary outcomes, questioned post-hoc protocol changes, and expressed concern over generalisability of the results. Patient groups and the IACFS/ME (an organization of researchers and health care professionals interested in CFS) [48] criticized the trial for over-simplified and exaggerated conclusions, for using a flawed psychosocial illness model that ignores biological evidence, for testing a non-representative version of pacing, and because the results seriously conflict with their member surveys which show that pacing is effective and CBT or GET can cause deterioration in many patients who use the treatments. [49] [50] [51]
One researcher submitted a 442-page letter to the Medical Research Council outlining his criticisms of the trial, and a shorter 43-page complaint to the Lancet. The MRC and the Lancet rejected the submissions. A Lancet editorial responded to the adverse criticism by suggesting that some critics could be part of "an active campaign to discredit the research." [52] [53] In 2011, Lancet Editor Richard Horton defended the trial, calling the critics "a fairly small, but highly organized, very vocal and very damaging group of individuals who have, I would say, actually hijacked this agenda and distorted the debate so that it actually harms the overwhelming majority of patients." [54] [55]
More recent criticisms of the trial have come from the scientific community. For example, biostatistician Bruce Levin of Columbia University described the study as "the height of clinical trial amateurism", and Ronald Davis of Stanford University wrote, "I'm shocked that the Lancet published it... The PACE study has so many flaws and there are so many questions you'd want to ask about it that I don't understand how it got through any kind of peer review". [56] In an analysis of the study's design, the mathematician Professor Rebecca Goldin wrote that "There were problems with the study on almost all levels... the flaws in this design were enough to doom its results from the start." [57] Professor Jonathan Edwards of University College London (UCL) has written that the PACE trial "is an unblinded trial with subjective outcome measures. That makes it a non-starter in the eyes of any physician or clinical pharmacologist familiar with problems of systematic bias in trial execution." [58]
The full research data for the PACE trial was requested by both patients acting as citizen scientists, and by other researchers but was initially denied until a 2016 tribunal ordered the data be released. [59] Several researchers published a re-analysis of the PACE trial data, but drawing the conclusion that the CBT and GET treatments were not effective and possibly not safe. [60] [61] [62] [63] The full PACE trial outcome data showed that the treatments did not result in patients being able to return to work or study, [64] and that they were not able to walk significantly further after treatment. [63] This new information was one of several factors that lead to the UK deciding to complete a full review and update to its diagnostic and treatment guidelines for ME/CFS. [59] The 2021 guidelines no longer include GET or CBT as treatments. [65]
In 1998, William Reaves, a director at the Centers for Disease Control (CDC), alleged deceptive Congressional testimony was given by officials at the agency concerning CFS research activities conducted by the organization; specifically, funds for programs intended for CFS research were diverted to other projects and not reported. He also stated he was retaliated against by his superior, Brian Mahy, after he reported the irregularities. [66] [67]
A Government Accounting Office (GAO) investigation disclosed almost 13 million dollars for CFS research had been redirected or improperly accounted for by the CDC. The agency stated the funds were redistributed in order to respond to other public health emergencies. The director of a U.S. national patient advocacy group charged the CDC had a bias against studying the disease. [66]
In response, the CDC pledged reforms to accounting practices to reduce misuse of funds earmarked for specific diseases. Additionally, the money diverted from CFS research was to be restored over a period of three years. [66] [ needs update ]
Researchers have complained of receiving harassment and abuse from activists when working on ME/CFS. While the abuse is primarily directed at researchers looking into psychological aspects of ME/CFS, it has also affected scientists investigating biological mechanisms, such as Myra McClure, who received a "staggeringly shocking" torrent of abuse from patients who believed she had a vested interest in not finding the virus. McClure says that she will not be pursuing any more research into ME/CFS. [68]
In 2012, several UK researchers involved in the PACE trial, who adopted the controversial psychosocial perspective, reported to the press that they had been verbally abused by patients, and one reported receiving death threats. [53] A tribunal judge investigated the claims of harassment in relation to the PACE trial. They ruled that the claims of harassment had been "wildly exaggerated by the trial authors and their expert witnesses". [59] Blease and Geragty found "no compelling evidence" the vast majority of ME/CFS patients or their advocacy organizations had adopted "militant political policies or behaviours", and reported ME/CFS activists used public discourse and scientific publications analogous to 1980s "AIDS" activists. They concluded the medical establishment's negative perceptions of persons with ME/CFS, and indifference to patient's opinions conceptualized the ME/CFS community's discontent. [59]
Reports of medical harm to patients resulting from the use of cognitive behavioral therapy (CBT) as a primary treatment and the use of graded exercise therapy (GET) have arisen. [69] [61] [70] A controversial clinical trial of the Lightning Process in children, [71] led to it being specifically forbidden in the NICE guidelines. [10] [71] A number of publications by Esther Crawley promoting GET have been corrected due to inaccurate ethics statements. [72]
Studies show medical neglect, trivialisation, and psychologization have contributed to increased risk of suicide in patients suffering from ME/CFS. [73] [74] In some severe cases, neglect by clinicians has led to complications of the disease which ultimately led to the death of the patient. [75] [76] [77] Some patients with severe and very severe ME/CFS are unable to swallow or properly digest, [10] when this is neglected or misdiagnosed as a psychological condition (such as anorexia nervosa), malnutrition can follow, with a risk of death. [3] Proper care for patients with severe feeding problems stipulates total parenteral nutrition for short term cases and using feeding tubes for long term cases. [3]
A notable case is that of Maeve Boothby O’Neill, a 27-year-old woman who died from very severe ME/CFS in 2021. As her condition gradually worsened, she became too unwell to properly feed and hydrate herself. At first the NHS doctors gave her feeding aids, but insisted upon feeding her much more than her body could handle which exacerbated her condition through post-exertional malaise. The only feasible option left was total parenteral nutrition, but due to the doctor's belief that her condition was largely psychological, they refused this route. A month later, she died of malnutrition. [78] [79] [75] An inquest into Maeve Boothby O’Neill’s death was opened by the Exeter and Devon Coroners, and is currently ongoing. Dr. Anthony Hemsley, the director of the Royal Devon and Exeter NHS Foundation Trust, has testified that the NHS has no policy and no facilities for treating severe (housebound) or very severe (bedbound) patients anywhere in the United Kingdom. [80]
Because of a lack of awareness and education about ME/CFS in the medical community delays in diagnosis and misdiagnosis are common. [10] [81] A large proportion of ME/CFS patients are undiagnosed; its true prevalence is therefore unknown. [82] ME/CFS patients can be misdiagnosed with a wide variety of conditions, common ones include psychosomatic disease, depression, burnout, and neuresthenia. [11] It is common for diagnosis to take over 5 years post disease onset, and visits to a large number of medical professionals. [83] [11] [84]
There have been reported cases of forced psychiatric hospitalisation of ME/CFS patients. [77] [85] [86] In these cases clinicians wrongly assumed ME/CFS was of psychological origin, or misdiagnosed a mental illness.
A notable case is that of Sophia Mirza. Mirza was forcibly removed from her home and sectioned for two weeks by her doctors, who had come to believe her condition was psychosomatic, an action which her mother and sister said severely worsened her condition, through post exertional malaise. Her health deteriorated after being released from the psychiatric unit, and two years later she died. [77] [87] An inquest into her death revealed it to be due to renal failure due to dehydration as a result of chronic fatigue syndrome. [88]
There has been much historical debate over whether to use the term Myalgic Encephalomyelitis or Chronic Fatigue Syndrome to describe the disease, therefore, the compromise Myalgic Encephalomyelitis/Chronic Fatigue Syndrome is often used.
The term chronic fatigue syndrome is criticised for focusing on a single symptom, while its use has lead many to confuse ME/CFS with general chronic fatigue. The term “fatigue” trivialises the illness and discourages research into potential treatments. [89] According to a survey of medical trainees at a school in the United States, a condition described as "chronic fatigue syndrome" is considered less serious than a condition described as "myalgic encephalopathy". [90] [91]
The term myalgic encephalomyelitis has also been criticised, as the symptom myalgia (muscle pain) is not experienced by everyone with the disease. Additionally, before ME/CFS was considered a biological condition, the name ME was seen as reinforcing the illness as it “legitimised” patient’s symptoms. [91]
In 2015 the National Academy of Medicine recommended changing the name to Systemic Exertion Intolerance Disease (SEID) in their report "Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness"'. However, this new name was not widely adopted. [83]
Despite being a disabling condition that leaves around 75% of patients unable to work, people with ME/CFS are often dismissed when applying for disability compensation. [83] [92]
Despite being classified as a biological illness by national health bodies, the Department for Work and Pensions classifies ME/CFS as a psychosocial illness, which means sufferers are entitled to lower benefits. A 2006 report by the UK Parliamentary Group on Scientific Research into Myalgic Encephalomyelitis stated that: "CFS/ME is defined as a psychosocial illness by the Department for Work and Pensions (DWP) and medical insurance companies. Therefore, claimants are not entitled to the higher level of benefit payments. We recognise that if CFS/ME remains as one illness and/or both remain defined as psychosocial then it would be in the financial interest of both the DWP and the medical insurance companies." The Group called for investigation of what they called, "numerous cases where advisors to the DWP have also had consultancy roles in medical insurance companies. Particularly the Company UNUMProvident. Given the vested interest private medical insurance companies have in ensuring CFS/ME remain classified as a psychosocial illness there is blatant conflict of interest here."
The Secretary of State for Work and Pensions responded that "Entitlement to Disability Living Allowance depends on the effects that severe physical or mental disability has on a person's need for personal care and/or their ability to walk, and not on particular disabilities or diagnoses. The benefit is available to people with myalgic encephalomyelitis (which can have a physical basis or a psychological basis, or can be due to a combination of factors) on exactly the same terms as other severely disabled people, and they can qualify for it provided that they meet the usual entitlement conditions." [93] This runs contrary to current scientific evidence which shows ME/CFS is "unambiguously biological". [94]
Fatigue describes a state of tiredness, exhaustion or loss of energy.
The ME Association is a UK health charitable organization that provides information, advocacy, and services to persons and families affected by ME/CFS, and raises funds for research into ME/CFS. It has been reported to be one of the two largest UK charities for ME/CFS.
A functional symptom is a medical symptom with no known physical cause. In other words, there is no structural or pathologically defined disease to explain the symptom. The use of the term 'functional symptom' does not assume psychogenesis, only that the body is not functioning as expected. Functional symptoms are increasingly viewed within a framework in which 'biological, psychological, interpersonal and healthcare factors' should all be considered to be relevant for determining the aetiology and treatment plans.
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) has a long history with an evolution in medical understanding, diagnoses and social perceptions.
Management of ME/CFS focuses on symptoms management, as no treatments that address the root cause of the illness are available. Pacing, or regulating one's activities to avoid triggering worse symptoms, is the most common management strategy for post-exertional malaise. Clinical management varies widely, with many patients receiving combinations of therapies.
Clinical descriptions of ME/CFS vary. Different groups have produced sets of diagnostic criteria that share many similarities. The biggest differences between criteria are whether post-exertional malaise (PEM) is required, and the number of symptoms needed.
The Lightning Process (LP) is a three-day personal training programme developed and trademarked by British osteopath Phil Parker. It makes unsubstantiated claims to be beneficial for various conditions, including ME/CFS, depression and chronic pain.
Graded exercise therapy (GET) is a programme of physical activity that starts very slowly and gradually increases over time, intended as a treatment for myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Most public health bodies, including the CDC and NICE, consider it ineffective, and its safety is disputed. However, GET still enjoys support among a minority of clinicians and organizations.
Daniel Peterson is an American physician in private practice in the state of Nevada, and has been described as a "pioneer" in the treatment of Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). He graduated from the University of Rochester School of Medicine, Rochester, New York, in 1976 and was an intern and resident at the University of Utah Medical Center from 1976 to 1979. In 1979, he became a diplomate of the American Board of Internal Medicine. He is president of Sierra Internal Medicine of Incline Village, established in 1981.
Whittemore Peterson Institute (WPI) is a 501(c)(3) nonprofit medical research institute dedicated to scientific discovery surrounding complex neuroimmune diseases including chronic fatigue syndrome (CFS) and other similarly presenting illnesses. Founded in 2005, it is currently located within the Center for Molecular Medicine at the University of Nevada, Reno. It was founded in 2005.
Judy Anne Mikovits is an American former research scientist who has made discredited medical claims, such as that murine endogenous retroviruses are found in blood samples of most patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). As an outgrowth of these claims, she has engaged in anti-vaccination activism, promoted conspiracy theories, and been accused of scientific misconduct. She has made false claims about vaccines, COVID-19, and ME/CFS, among others.
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disabling chronic illness. People with ME/CFS experience profound fatigue that does not go away with rest, sleep issues, and problems with memory or concentration. Further common symptoms include dizziness, nausea and pain. The hallmark symptom is a worsening of the illness which starts hours to days after minor physical or mental activity. This "crash" can last from hours or days to several months.
Rosamund Vallings is a medical doctor, known as one of the leading authorities on Chronic Fatigue Syndrome (ME/CFS) in New Zealand.
Post-exertional malaise (PEM), sometimes referred to as post-exertional symptom exacerbation (PESE) or post-exertional neuroimmune exhaustion (PENE), is a worsening of symptoms that occurs after minimal exertion. It is the hallmark symptom of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and common in long COVID and fibromyalgia. PEM is often severe enough to be disabling, and is triggered by ordinary activities that healthy people tolerate. Typically, it begins 12–48 hours after the activity that triggers it, and lasts for days, but this is highly variable and may persist much longer. Management of PEM is symptom-based, and patients are recommended to pace their activities to avoid triggering PEM.
Idiopathic chronic fatigue (ICF) or chronic idiopathic fatigue or insufficient/idiopathic fatigue is a term used for cases of unexplained fatigue that have lasted at least six consecutive months and which do not meet the criteria for myalgic encephalomyelitis/chronic fatigue syndrome. Such fatigue is widely understood to have a profound effect on the lives of patients who experience it.
A 2-day CPET is a cardiopulmonary exercise test given on two successive days to measure the effect of post-exertional malaise (PEM) on a patient's ability to exercise. PEM is a cardinal symptom of myalgic encephalomyelitis/chronic fatigue syndrome and is common in long COVID as well.
Post-acute infection syndromes (PAISs) or post-infectious syndromes are medical conditions characterized by symptoms attributed to a prior infection. While it is commonly assumed that people either recover or die from infections, long-term symptoms—or sequelae—are a possible outcome as well. Examples include long COVID, Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), and post-Ebola virus syndrome. Common symptoms include post-exertional malaise (PEM), severe fatigue, neurocognitive symptoms, flu-like symptoms, and pain. The pathology of most of these conditions is not understood and management is generally symptomatic.
Andrew Melvin Ramsay (1901–1990) was a British physician, who is known for his research and advocacy on myalgic encephalomyelitis (ME), a chronic disease causing muscle weakness and cognitive dysfunction. Ramsay worked as a consultant at the Royal Free Hospital in London during a mysterious 1955 disease outbreak of what later became known as ME. He studied the disease and similar outbreaks elsewhere. Work by Ramsay showed that although ME seldom caused death, the disease could be highly disabling.
Carmen Scheibenbogen is a German immunologist who is the acting director of the Institute for Medical Immunology of the Charité university hospital in Berlin. She specialises in hematology, oncology and immunology. She leads the Outpatient Clinic for Immunodeficiency and the Fatigue Centre at the Charité hospital. She is one of the few doctors specialised in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) in Germany, and also researches long COVID.
The PACE trial was a large and controversial trial which compared the effects of cognitive behavioural therapy (CBT), graded exercise therapy (GET), adaptive pacing therapy, and specialist medical care for people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).
NICE guideline NG206, Evidence reviews underpinning recommendations and research, recommendations in the NICE guideline
Unfortunately for BMJ, in addition to the mess over the Lightning Process study, Crawley was also directed earlier this year to correct the ethics statements in eleven other published papers – five of them in BMJ journals.