Guest guest Posted November 1, 2003 Report Share Posted November 1, 2003 http://www.redflagsweekly.com/yazbak/2003_nov01_3.html REGRESSIVE AUTISM AND MMR VACCINATION By RFD Columnist, F. Edward Yazbak, MD, FAAP. TL Autism Research Falmouth, Massachusetts E-mail: tlautstudy Part Two here The Anti-Wakefield Movement Expensive and extensive campaigns have been mounted in the US and the UK in defense of the MMR vaccine and against Andrew Wakefield and the parents who dare question a vaccine connection. The anti-Wakefield fronts have repeatedly quoted certain epidemiological studies in support of their argument. Not a single parent was interviewed and not a single child examined in any of those studies; most have been “supported” (funded) by the vaccine manufacturer and or authorities. Since 1998, the UK Government has spent immensely more money defending the MMR vaccine and depicting Wakefield as a maverick, than it did on autism research. As mentioned earlier, the message to the parents remains “We do not know what caused your child’s autism …but we are absolutely sure that it is not the MMR or another vaccine.” The studies from Finland Merck financed all studies and reports on MMR and autism by the Peltola group. The first publication by Peltola, Patja et al. was published in Lancet in May 1998, just 3 months after Wakefield’s first paper on children with autism. It was titled: No evidence for measles, mumps, and rubella vaccine-associated inflammatory bowel disease or autism in a 14-year prospective study. (17) The conclusion of the authors was that: “Over a decade's effort to detect all severe adverse events associated with MMR vaccine could find no data supporting the hypothesis that it would cause pervasive developmental disorder or inflammatory bowel disease” The second paper by Patja, Peltola et al. was published in the Pediatric Infectious Disease Journal in December 2000 (18). It was titled: Serious adverse events after measles-mumps-rubella vaccination during a fourteen-year prospective follow-up. The authors reported some of the adverse events pointing out that there were no cases of autism and Inflammatory Bowel disease (IBD). Those two studies (and others by the same groups) were based on a review of adverse events reported following the administration of some 3 million doses of MMR vaccine to about 1.8 million individuals during a “national immunization campaign” in Finland between 1982 and 1996. During the campaign, children were vaccinated between 14 and 18 months of age and again at 6. Also receiving the vaccine were older children and selected groups of young adults, such as military recruits and nursing students The cases that were followed for 14 years were those that developed adverse events within 3 weeks of vaccination, less than 200 in all. There was NO follow-up on the rest of the 1.8 million vaccine-recipients in the Country. .. Both autism and inflammatory bowel disease (IBD) are chronic illnesses, which develop over months or years. Certainly no one ever claimed that they start within 21 days of vaccination and Wakefield never contended that children who develop diarrhea immediately after vaccination, a known and accepted reaction, are those who will go on to develop IBD as young adults. Peltola himself, when questioned on BBC Radio-4 on January 13, 2001, stated that the main study was not designed to look at IBD and autism. In summary, Peltola and Associates never looked for autism and IBD following MMR vaccination. Neither did anyone else before 1998. In spite of that, the findings of these studies from Finland were highly publicized for a long while and interpreted in the Press, and over the Internet, as proving conclusively that there was no increase in autism and IBD among the millions who received the MMR vaccine during the national vaccination campaign and were followed for 14 years. This is not true. Autism & Inflammatory Bowel Disease have increased in Finland in recent years. Autism: M. Kielinen et al, in a study published in 2000 (19), described a significant rise in autism in the northern provinces of Oulu and Lapland, which represent 1/8 of the total population of Finland. The Kielinen study included all children born in the two provinces, between 1979 and 1994. Every single one of those children was eligible and must have received the MMR vaccine. The authors personally reviewed all records of children with autism to determine that they fulfilled the criteria of ICD-10 and DSM-IV. The cumulative incidence of autism was 12.2/10,000, a significant increase when compared to the previously reported incidence of 4.75/10,000 by Vinni and Timonen. The increase in the younger children, all born in the second half of the MMR campaign, was even more striking. In the 5 to 7 age group, the cumulative incidence was 20.7/10,000 or more than 1 in 500. At the time, I predicted that the increase in autism was not limited to the Northern Provinces and that it would keep accelerating. On November 11, 2002, a spokesperson for autismiliitto.fi informed me that she did not have accurate figures but that “we are estimated to have 10,000 autistic people in Finland and about 40,000 people with Asperger’s syndrome”. Better diagnosis may have led to the identification of some of these cases, but the increase in the prevalence of autism is clearly as real in Finland as it is elsewhere, even if Peltola does not think so. The above figures show that in Finland 1 of every 100 individuals may have an autistic spectrum disorder (50,000 cases in a population of slightly over 5 million). This would translate, in the US, to 2.88 million individuals with Autistic Spectral Disorder (ASD). Taking into account the fact that the incidence is higher in children and younger adults and the well-known gender difference, one can only guess the affliction in young Finnish males. The high ratio of Asperger’s Syndrome (AS) is also relevant. Kielinen pointed out in the study mentioned above, that in the Northern Provinces, there were more children recently with IQs above 70 than had been reported in earlier studies. Other investigators have reported a similar trend worldwide. Children affected since birth and in early infancy, are usually more profoundly brain damaged than those who develop normally until their first birthday and then sink into autism in the second year of life, some reportedly after receiving the MMR vaccine. Inflammatory Bowel Disease: According to figures obtained from the Statistical Branch of the Social Insurance Institution of Finland, the number of patients entitled for special refunds because of Crohn’s and Ulcerative Colitis more than doubled between 1992 and 2001, from 9,737 to 20,807. In the same period, the prevalence rate per thousand of the two conditions also doubled while the population of Finland only increased by 3%. Also of concern is the fact that, not only did the number of patients with IBD reporting to Social Services increase yearly, but that the rate of increase is accelerating, with more patients having registered in the last five years than in the previous five. Inflammatory Bowel Disease is most often diagnosed between the ages of 15 and 35. The older children, adolescents, nursing students and army recruits who received the MMR vaccine in Finland starting in 1982, reached that vulnerable age in the last ten years and figure in all likelihood, in the increasing statistics. There are obviously many other factors causing IBD. Nevertheless when the rates of Crohn’s Disease and Ulcerative Colitis continue to increase and accelerate in Finland in the next few years as the younger vaccinees reach adulthood, it will become increasingly difficult for Peltola and his group to prove to everyone that such increases are NOT related to vaccination. The third study from Finland is more recent (2002). It is also based on the data of passive reporting from the “National Campaign” and is titled Neurologic Disorders After Measles-Mumps-Rubella Vaccination. The authors Makela, Peltola et al. compared the numbers of events of encephalitis and aseptic meningitis, within a 3-month risk interval after vaccination with the expected numbers estimated on the basis of occurrence of encephalitis and aseptic meningitis during the subsequent 3-month intervals. Examining the incidence of encephalitis and aseptic meningitis in the two weeks following vaccination would have been much better, because cases occurring during that period, would be considered ipso facto vaccine complications. Again in this study, although no one in Finland was looking for autism before 1986, the authors went ahead and included it. Interestingly, by stating: “The aim of this study was to assess whether an association prevails between MMR vaccination and encephalitis, aseptic meningitis, and autism” in an article titled “Neurologic Disorders after Measles-Mumps-Rubella Vaccination” the authors in fact imply that autism is a neurological complication of MMR vaccination. Of interest, though not directly related to the topic of this study is the fact that Finland has the highest incidence of childhood Type 1 (insulin-dependent) diabetes mellitus in the world. (20) According to Tuomilehto: “During 1987-1989, the overall incidence of Type 1 diabetes was about 35.2 per 100,000 per year. It was higher in boys (38.4) than in girls (32.2). There was no clear geographic variation in incidence among the 12 provinces of Finland. Of the 1,014 cases during these 3 years only six cases were diagnosed before their first birthday. The incidence was high already in the age group 1-4-years old: 33.2 in boys and 29.5 in girls.” It has been suggested that a possible connection between MMR vaccination and juvenile diabetes exists. The sudden increase in the incidence of diabetes after age 1 during a national campaign (1982-1996), during which a vaccine is administered at 15 months of age, deserves attention. Our vaccine authorities have denied any connection between vaccination and the present steep increase in Juvenile Diabetes in the United States. Obesity and increased intake of junk food / sweets, increased television watching and computer games plus lack of exercise are believed to be responsible for the present record high incidence of the disease. It is important to stress that juvenile diabetes remains a serious problem in Finland. According to the Social Welfare and Health Report 2000 of the Ministry of Social Affairs and Health “Finland has the highest incidence of juvenile onset or insulin-dependent diabetes in the world and it is continuing to grow.” The following from the same report is also of interest: “Asthma has become more common among children and adolescents and in the past 10 years, its prevalence among the under-20s has increased threefold.” “International comparisons show that Finnish school-age girls head the intoxication statistics and that boys are near the top. The number of non-drinkers has declined among all 12-18 year-olds in the past ten years. The combined use of alcohol and medicines affecting the central nervous system is still common”. “Thanks to vaccinations and other preventive measures, the frequency of the most common dangerous infectious diseases has plummeted in Finland. This is not to say however, that such diseases are a thing of the past. On the contrary, they are still a major single cause of short- term absences from work among people of working age and account for the bulk of children’s outpatient visits.” The Autism and MMR IOM Committee Report The Institute of Medicine (IOM) convened a special Committee to study Autism and MMR. The committee met in early March 2001. The Chairperson rushed to publish its findings by April 23rd, a historical record for any IOM special committee report. In addition, the Chairperson reportedly “shared” the committee’s findings and conclusions with certain interested parties prior to publication and played an active and very vocal role in promptly and widely publicizing its results. Her statement: “It [MMR] is as safe as a vaccine can get” was immediately construed as a seal of approval and translated in the lay press to: “Vaccine is off the hook” [Actual words]. The “conclusive report by the Institute of Medicine” is widely quoted. The vaccine authorities (and lobby) like to state that the special committee found that the “…evidence favors rejection of a causal relationship at the population level, between MMR vaccine and autistic spectrum disorders “. They are careful not to mention that the Committee actually “did not exclude the possibility that MMR vaccine could contribute to ASD in a small number of children”. The committee also recommended that more research be done. Andrew Wakefield also said that MMR vaccination could contribute to autism and pervasive disorders in a small number of children and he also said that more research was needed; for that, he was forced to resign. Historically, the IOM Committees’ conclusions are based on epidemiological data and therefore need large numbers of cases to justify one of the following classifications: 1. No evidence bearing on a causal relation. 2. The evidence is inadequate to accept or reject a causal relation. 3. The evidence favors rejection of a causal relation. 4. The evidence favors acceptance of a causal relation. 5. The evidence establishes a causal relation. Clearly the possible MMR-Autism connection was placed beyond the third group somewhat closer to the fourth. This is traditionally unusual for a first examination. The criticism that was heaped on the report is almost sure to lead to a review in the not too-distant future. One can best understand the nuances of the MMR-Autism IOM study by having a look at the special report published immediately before it, on April 19, 2001. That special report on “Agent Orange” was commissioned in 1991 & completed nine years later, in April 2000, a whole year before it was published (23). In that report, Diabetes Mellitus & Children’s Myelogenous Leukemia were moved from a lower category to Category 4: “The evidence favors acceptance of a causal relation”. The undeniable fact is that since the Vietnam War, hundreds of veterans and a multitude of VA physicians have been thoroughly convinced that Diabetes and this particular form of Leukemia belong not in Category 4 but actually in Category 5 “The evidence establishes a causal relation”. The following remarks (24) on the IOM MMR report, by Walter O. Spitzer, MD, Emeritus Professor of Epidemiology at McGill University are sobering: “As an epidemiologist who has been a Member of the IOM since 1986, I have been proud of IOM reports in my field that I have examined or co-authored. I am embarrassed by the process of this latest Report and would urge President Shine of the IOM to retract the Report until the message has been clarified. What was released, the IOM Report or the McCormick Position?” Other IOM Committee reports on vaccines have also been questionable. The trust all citizens should have in the august Institute of Medicine will certainly be eroded by the continued bias of vaccine reports. It is imperative that the committee members insist on receiving TOTAL information prior to making a final decision. They are responsible to the people of the United States, not only to the CDC because it funds the studies. The Studies by Brent Taylor “Autism and measles, mumps, and rubella vaccine: no epidemiological evidence for a causal association” (21) was the first Taylor publication on the subject (1999). The Medicines Control Agency and the Public Health Laboratory Service (somewhat the equivalents of the FDA and the CDC, financed the study. Any incrimination of the MMR vaccine therefore would have been unlikely, regardless of the findings. Taylor reported on 498 cases of autism (261 of core autism, 166 of atypical autism, and 71 of Asperger's syndrome). “In 293 cases the diagnosis could be confirmed: 214 [82%] core autism, 52 [31%] atypical autism, 27 [38%] Asperger's syndrome. There was a steady increase in cases by year of birth with no sudden " step-up " or change in the trend line after the introduction of MMR vaccination. There was no difference in age at diagnosis between the cases vaccinated before or after 18 months of age and those never vaccinated. There was no temporal association between onset of autism within 1 or 2 years after vaccination with MMR…Developmental regression was not clustered in the months after vaccination … No significant temporal clustering for age at onset of parental concern was seen for cases of core autism or atypical autism with the exception of a single interval within 6 months of MMR vaccination This appeared to be an artifact related to the difficulty of defining precisely the onset of symptoms in this disorder.” Interpretation: Our analyses do not support a causal association between MMR vaccine and autism. If such an association occurs, it is so rare that it could not be identified in this large regional sample.” Though this study was somewhat better than subsequent Taylor studies, it still had many weaknesses, the small number of cases evaluated being one. Taylor himself stated: “The study has some limitations: two of these [meaning there are more] are that we could not verify the diagnosis according to ICD 10 criteria in some cases, and that the ascertainment may have been incomplete. The clinical notes were of variable quality and many did not contain systematic or regularly updated information, which would have allowed independent validation of the diagnosis, particularly in the children with atypical autism or Asperger’s syndrome. Later he goes on to say: “ There is uncertainty about whether the prevalence of autism is increasing” and then adds: “Our study is consistent with an increase in the incidence of autism in recent birth cohorts” He then inserts Figure 1 showing the sudden and acute rise in the number of cases of core autism starting in 1991. Two pages later, Taylor states: For age at first parental concern, no significant temporal clustering was seen for cases of core autism and atypical autism, with the exception of a single interval within 6 months of MMR vaccine associated with a peak in reported age of parental concern at 18 months” and then, unashamedly adds: “Our results do not support the hypothesis that MMR vaccination is causally related to autism...” Taylor has consistently refused to reveal, share or discuss the study’s raw data. Two requests from Dr. Bernard Rimland (ARI), two from Dr. Jane Orient, Executive Director, The Association of American Physicians and Surgeons and one from US Congressman Daniel Burton, Chairman of the House Government Reform Committee at the April 6, 2000 meeting, were turned down. Interestingly, Yvette Cooper, the UK Minister for Public Health, defended Taylor’s stand. Just as odd was the fact that the Lancet, a prestigious medical journal, published the article without insisting that raw data be available on request. Taylor’s excuse was that the clinic records were confidential. There were several critiques of that particular Taylor study. Those by Dr. Andrew Wakefield and Dr. James Roger, an expert on medical statistics stand out. Dr. Andrew Wakefield wrote: “A case-series analysis is unlikely to identify a relation between exposure and disease, in which the onset is insidious and in which, very often, there is diagnostic delay” and later: “However, it pales into insignificance compared with their failure to declare the fact of an MMR catch-up campaign that was initiated in 1988 with the introduction of this vaccine. This campaign was targeted at children, whatever their age, who presumably had not received monovalent mumps or rubella vaccine whatever their exposure status. As such it was a novel and, in terms of safety, untested policy. On the basis of Taylor and colleagues’ inclusion criteria, and taking account of the catch-up campaign, then those first birth cohorts who actually received MMR (circa 1986) were precisely those in whom a doubling of the numbers of cases of autism were seen”. Dr. James Roger in a letter to the Editor of The Lancet (July 8, 2000) stated: Sir--Rather than clarify the measles, MMR, and autism confusion with your editorial, you perpetuated the myth that good scientific evidence rejects a link between MMR vaccination and autism. You quote Taylor and colleagues as publishing " epidemiological evidence contradicting this alleged association. " On March 28, 2000, I presented a talk to the Royal Statistical Society, in which I showed how the currently published data, including that from this study, are consistent with an appreciable number of autism cases being triggered by MMR vaccination. In short, Taylor and colleagues used the wrong study design to detect an association between immunisation and a disease with chronic onset, such as autism. Rather than use a conventional case-control approach, the study used a case-series design. The case-series approach is appropriate for investigating acute adverse events such as febrile convulsion but is not suitable for long-term effects of vaccination. As stated, the above underlined statement was made at a Royal Statistical Society meeting. Dr. C.P. Farrington, the statistician who co-authored the article, participated in the debate. Taylor and Associates published two other studies on autism, gut pathology and MMR. These were never given the publicity that the above paper received and for the sake of brevity, they will not be discussed here. NEW WEB MESSAGE BOARDS - JOIN HERE. 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