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Menotti A, Puddu PE. How the Seven Countries Study contributed to the launch and development of cardiovascular epidemiology in Italy. A historical perspective. Nutr Metab Cardiovasc Dis 2020; 30:368-383. [PMID: 31848054 DOI: 10.1016/j.numecd.2019.11.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/31/2019] [Accepted: 11/19/2019] [Indexed: 10/25/2022]
Abstract
The Italian research group of the Seven Countries Study of Cardiovascular Diseases (SCS), through the independent use of the national cohorts and data, had the lucky opportunity, starting in the early 1960, to launch the Italian research in epidemiology of cardiovascular diseases (CVD). In this way, the Italian Section of that international study became the first investigation with baseline measurements in various cohorts, subsequent re-examinations, systematic search for morbid events, and follow-up for mortality up to 50 years. A large number of scientific aspects has been tackled including estimates of morbidity and mortality rates, the association of risk factors with cardiovascular events and total mortality, the role of risk factor changes, the use of multivariable models, the role of lifestyle behavior, the determinants of all-cause mortality including risk factors rarely measured in other studies, the identification of characteristics of a condition called Heart Disease of Uncertain Etiology (HDUE), the production of predictive tools for practical use and several other issues. All this has been enhanced by the availability of extremely long follow-up data rarely found in other studies. Field work organization, measurement techniques, diagnostic criteria, data handling and computing had the limitations and difficulties typical of those times, the mid of last century, when CVD epidemiology was at its beginning. All this represented anyhow the start of CVD epidemiology research in the country and was the stimulus to the start of other studies and a valuable collaboration with some of them.
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Affiliation(s)
| | - Paolo E Puddu
- Association for Cardiac Research, 00198, Rome, Italy; EA 4650, Signalisation, électrophysiologie et imagerie des lésions d'ischémie reperfusion myocardique, UNICAEN, 14000, Caen, France; Department of Cardiovascular, Respiratory, Nephrological, Anesthesiologic and Geriatric Sciences, Sapienza University of Rome, 00161, Rome, Italy.
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Abstract
Multicentre trials are very common in the field of drug development. In recent years, multicentre trials have taken on a multinational and multiregional aspect. We provide a conceptual framework for the use of multicentre trials in the context of drug development, from the perspective of drug regulation in the United States. In this paper, we review some regulatory history, milestones and standards as they relate to multicentre trials. Special attention is given to the similarities and differences in the approaches to multicentre trials in the following documents; Guideline for the Format and Content of the Clinical and Statistical Sections of New Drug Applications, International Conference on Harmonization, Draft Guideline on Statistical Principles for clinical trials and the Guidance for Industry Providing Clinical Evidence of Effectiveness for Human Drug and Biologic Products. The paper includes a consideration of some of the issues in the analysis of data from multicentre trials.
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Affiliation(s)
- Charles Anello
- Office of Biostatistics, Center for Drug Evaluation and Research, Food and Drug Administration, USA.
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Affiliation(s)
- Conrad Keating
- The Wellcome Unit for the History of Medicine, Oxford OX2 6PE, UK.
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Affiliation(s)
- Iain Chalmers
- James Lind Library, Summertown Pavilion, Middle Way, Oxford OX2 7LG, UK
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Sleight P. Pioneers in cardiology: Peter Sleight, FRCP, MD. Interview by Jennifer Taylor. Circulation 2007; 115:f99-100. [PMID: 17523233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
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Abstract
The Optimal Treatment Project advocated by Falloon has been demonstrated through the scientific research literature to be efficient and effective treatment strategies for people experiencing severe mental illness. For this reason, there is little critique of this approach. While the potential value of the project is acknowledged, it is important to identify the appropriateness of the model for specific services and to understand comprehensively the resources necessary for successful implementation. The aim of this paper is to review the literature in relation to the Optimal Treatment Project with a view to exploring the complexities associated with the model. It is concluded that the involvement of multiple stakeholders, including consumers of mental health services, should become an essential element of any implementation strategy.
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Affiliation(s)
- Karla Hayman-White
- Centre for Psychiatric Nursing Research and Practice, School of Nursing, The University of Melbourne, Carlton, Melbourne, Victoria, Australia
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Affiliation(s)
- Arthur J Moss
- Cardiology Unit of the Department of Medicine, University of Rochester Medical Center, New York 14642, USA.
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Chalmers I, Clarke M. Commentary: the 1944 patulin trial: the first properly controlled multicentre trial conducted under the aegis of the British Medical Research Council. Int J Epidemiol 2004; 33:253-60. [PMID: 15082623 DOI: 10.1093/ije/dyh162] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The 1948 report of the British Medical Research Council's randomized trial of streptomycin for pulmonary tuberculosis is widely regarded as marking the beginning of the modern history of controlled clinical trials. Four years earlier, however, a methodologically sophisticated multicentre trial conducted under the aegis of the Medical Research Council was reported, which assessed the effects of the antibiotic patulin on the course of common colds. Philip D'Arcy Hart and Joan Faulkner (later Joan Doll) were the secretary and assistant secretary, respectively, to the committee overseeing the trial, and they clearly recognized the importance of preventing foreknowledge of allocations from those admitting patients to the study. To do this and to 'muddle people up', they and Ruth D'Arcy Hart devised a scheme involving the use of two patulin groups and two placebo groups, allocating patients to one of these four groups using strict rotation. Philip D'Arcy Hart believes that this study has been overshadowed by the celebrated streptomycin trial (for which he was also secretary to the oversight committee) because no beneficial effect of patulin was detected, and because the report of the streptomycin trial referred to the use of random sampling numbers to generate the allocation schedule. This article makes clear why we agree with Philip D'Arcy Hart that the 1944 patulin trial deserves wider recognition as the first well controlled, multicentre clinical trial to have been conducted under the aegis of the British Medical Research Council. This status is reflected in the International Journal of Epidemiology's reproduction of the full text of the trial report in this issue of the journal.
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Affiliation(s)
- Iain Chalmers
- James Lind Library, James Lind Initiative, Summertown Pavilion, Middle Way, Oxford OX2 7LG, UK.
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Koch R, Azen C, Friedman E, Hanley W, Levy H, Matalon R, Rouse B, Trefz F, Ning J, de la Cruz F. Research design, organization, and sample characteristics of the Maternal PKU Collaborative Study. Pediatrics 2003; 112:1519-22. [PMID: 14654657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
OBJECTIVE The Maternal PKU Collaborative Study (MPKUCS) was initiated in 1984 by the National Institute of Child Health and Human Development (NICHD). The purpose was to assess the efficacy of dietary restriction of phenylalanine in reducing morbidity in offspring of women with hyperphenylalaninemia (HPA). A contract was awarded to Childrens Hospital Los Angeles as the Coordinating Center to provide implementation of the research protocol, data collection, and analysis. METHODS The Study included four regional contributing centers: Childrens Hospital Los Angeles (Western Region), Boston Children's Hospital (Northeast Region), University of Illinois (Midwest Region), and University of Texas Medical Branch, Galveston (Southeast Region). Within each region, many participating clinics were responsible for obstetric care, treatment, and monitoring protocols. In 1985, Canada joined the MPKUCS, and in 1992, Germany entered. They were selected because they provided dietary supplies and strong professional services. Acquisition began in 1984 and ended in October 1995. The study included 574 pregnancies in women with HPA and 100 control subjects matched on age, race, parity, and weeks of gestation. The sample included women with blood phenylalanine values >240 micromol/L, 66% of whom had classical PKU, 22% had atypical PKU, and 12% had mild HPA. Informed consents were obtained on all participants. The women ranged in age from 15 to 36 years of age, with a mean age at conception of 23 years. Teenage pregnancies accounted for 19%. Seventy-five percent graduated from high school. Offspring included 416 newborns, 317 of whom were evaluated at 4 years of age and 289 at 6 to 7 years. Follow-up involved medical, nutritional, psychosocial, and psychological assessments. CONCLUSION Women with PKU treated before conception and in control of their blood phenylalanine levels between 120 and 360 micromol/L (2-6 mg) exhibited normal pregnancies and neonatal outcome. Surprisingly, women who achieved control in the recommended range by 8 weeks of pregnancy also had a normal fetal outcome.
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Affiliation(s)
- Richard Koch
- Childrens Hospital Los Angeles, Division of Medical Genetics, Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California 90027, USA.
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Høisaeter PA, Vaage S, Hedlund PO. Clinical research done by the Scandinavian Prostate Cancer Group during the first 20 years. Scand J Urol Nephrol Suppl 2003:7-10. [PMID: 12841320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
In 1981 the Scandinavian Association of Urology initiated the Scandinavian Prostate Cancer Group (SPCG) as one of eight collaborative groups representing different fields of urology. The task of the SPCG was to promote research, education and information concerning prostate cancer. In particular it became a forum for conducting clinical multicenter studies within the Nordic countries. This paper summarizes some aspects of the history of the SPCG and reviews the clinical trials initiated by the group on the occasion of its 20th anniversary.
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Goss CH, Mayer-Hamblett N, Kronmal RA, Ramsey BW. The cystic fibrosis therapeutics development network (CF TDN): a paradigm of a clinical trials network for genetic and orphan diseases. Adv Drug Deliv Rev 2002; 54:1505-28. [PMID: 12458158 DOI: 10.1016/s0169-409x(02)00163-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Clinical trials have become critical to the advancement of medical science and to the evolution of patient care in medicine. The science of clinical research has advanced from early studies in which treatment was assessed without controls to sophisticated multinational collaborative randomized, double-blind, placebo controlled trials of therapeutic interventions. To facilitate the advancement of clinical research, clinical trials networks have been developed to conduct multicenter studies. This review describes the history of clinical trials, clinical trials networks, and the goals of such networks in the United States. The Cystic Fibrosis Therapeutics Development Network, a network that represents the paradigm for genetic and orphan diseases, is described in detail. This network has been extremely successful in its first 3.5 years of existence conducting 18 different clinical trials in patients with Cystic Fibrosis. Unique aspects of the network include the use of internet applications for study conduct and communication, the development of statistical methodology to enhance the efficiency of clinical trial design, the development of outcome measures specific to Cystic Fibrosis, and the development of infrastructure necessary for expediting protocol development. In the current environment, clinical research faces significant challenges related to ensuring the safe and ethical conduct of clinical research while promoting fast and efficient clinical trials. To succeed and move forward to provide treatments and find cures for diseases, clinical trials networks must continue to evolve. The Cystic Fibrosis Therapeutics Development Network represents a network that has met this challenge and will continue to provide a venue for the safe and efficient conduct of clinical trials in Cystic Fibrosis.
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Affiliation(s)
- C H Goss
- Department of Medicine, University of Washington, School of Medicine, Seattle, WA, USA.
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Johnson KP, Brooks BR, Cohen JA, Ford CC, Goldstein J, Lisak RP, Myers LW, Panitch HS, Rose JW, Schiffer RB, Vollmer T, Weiner LP, Wolinsky JS. Copolymer 1 reduces relapse rate and improves disability in relapsing-remitting multiple sclerosis: results of a phase III multicenter, double-blind, placebo-controlled trial. 1995. Neurology 2001; 57:S16-24. [PMID: 11902590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
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IFNB Multiple Sclerosis Study Group. Interferon beta-lb is effective in relapsing-remitting multiple sclerosis. I. Clinical results of a multicenter, randomized, double-blind, placebo-controlled trial. 1993 [classical article]. Neurology 2001; 57:S3-9. [PMID: 11902592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
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14
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Paty DW, Li DK. Interferon beta-lb is effective in relapsing-remitting multiple sclerosis. II. MRI analysis results of a multicenter, randomized, double-blind, placebo-controlled trial. 1993 [classical article]. Neurology 2001; 57:S10-5. [PMID: 11902589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
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Ohno R. Multicenter cooperative study group in hematology in Japan: the 10-year history and role of the Japan Adult Leukemia Study Group in Japan. Int J Hematol 1998; 67:213-9. [PMID: 9650442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Leukemia is an uncommon disease. In order to conduct a scientific clinical study, a large number of patients is required for reliable statistical analysis, and therefore, multicenter cooperative study is indispensable in leukemia. Not only in the field of hematology/oncology but also in other fields of clinical medicine, well-functioning clinical study groups are still rare in Japan. In this review, the reason why the organization of multicenter cooperative study groups is difficult in Japan is analyzed. Then the 10-year experience of a self-supporting and quite successful cooperative study group, the Japan Adult Leukemia Study Group, is reviewed. Finally, the next steps for the Group and the way it might be successfully led are discussed.
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Affiliation(s)
- R Ohno
- Department of Medicine III, Hamamatsu University School of Medicine, Japan.
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Knatterud GL, Meinart C. A tribute to Christian Robert Klimt (1918-1994). Control Clin Trials 1995; 16:139-42. [PMID: 7796596 DOI: 10.1016/0197-2456(95)90195-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Affiliation(s)
- E C Holmes
- Department of Surgery/Oncology, University of California at Los Angeles
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Affiliation(s)
- R Doll
- ICRF Cancer Studies Unit, Radcliffe Infirmary, Oxford
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Abstract
Pediatric oncology emerged as a subspeciality in the United States of America following the observations in 1948 of Farber and his associates of the benefits of chemotherapy for acute leukemia. The establishment of national cooperative chemotherapy groups furthered its development. More recently, the subspeciality has been recognized by the American Board of Pediatrics. Even more recently, training programs for the subspecialty have been given accreditation. Parallel to development of the specialty in the United States has been a similar evolution of pediatric oncology in Europe.
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Affiliation(s)
- J A Wolff
- College of Physicians and Surgeons, Columbia University, New York, New York
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