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1. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes

Author

Triolo, T.M., Fouts, A., Pyle, L., Yu, L., Gottlieb, P.A., Steck, A.K., Greenbaum, C.J., Atkinson, M., Baidal, D., Battaglia, M., Becker, D., Bingley, P., Bosi, E., Buckner, J., Clements, M., Colman, P., DiMeglio, L., Gitelman, S., Goland, R., Gottlieb, P., Herold, K., Knip, M., Krischer, J., Lernmark, A., Moore, W., Moran, A., Muir, A., Palmer, J., Peakman, M., Philipson, L., Raskin, P., Redondo, M., Rodriguez, H., Russell, W., Spain, L., Schatz, D.A., Sosenko, J., Wentworth, J., Wherrett, D., Wilson, D., Winter, W., Ziegler, A., Anderson, M., Antinozzi, P., Benoist, C., Blum, J., Bourcier, K., Chase, P., Clare-Salzler, M., Clynes, R., Eisenbarth, G., Fathman, C.G., Grave, G., Hering, B., Insel, R., Kaufman, F., Kay, T., Leschek, E., Mahon, J., Marks, J.B., Nanto-Salonen, K., Nepom, G., Orban, T., Parkman, R., Pescovitz, M., Peyman, J., Pugliese, A., Roep, B., Roncarolo, M., Savage, P., Simell, O., Sherwin, R., Siegelman, M., Skyler, J.S., Steck, A., Thomas, J., Trucco, M., Wagner, J., Krischer, J.P., Rafkin, L., Cowie, C., Foulkes, M., Krause-Steinrauf, H., Lachin, J.M., Malozowski, S., Ridge, J., Zafonte, S.J., Sosenko, J.M., Kenyon, N.S., Santiago, I., Bundy, B., Abbondondolo, M., Adams, T., Amado, D., Asif, I., Boonstra, M., Burroughs, C., Cuthbertson, D., Deemer, M., Eberhard, C., Fiske, S., Ford, J., Garmeson, J., Guillette, H., Geyer, S., Hays, B., Henderson, C., Henry, M., Heyman, K., Hsiao, B., Karges, C., Keaton, N., Kinderman, A., Law, P., Leinbach, A., Liu, S., Lloyd, J., Malloy, J., Maddox, K., Martin, J., Miller, J., Milliot, E., Moore, M., Muller, S., Nguyen, T., O'Donnell, R., Roberts, A., Sadler, K., Stavros, T., Tamura, R., Wood, K., Xu, P., Young, K., Alies, P., Badias, F., Baker, A., Bassi, M., Beam, C., Boulware, D., Bounmananh, L., Bream, S., Freeman, D., Gough, J., Ginem, J., Granger, M., Kieffer, M.H.M., Lane, P., Linton, C., Nallamshetty, L., Oduah, V., Parrimon, Y., Paulus, K., Pilger, J., Ramiro, J., Ritzie, A.L., Sharma, A., Shor, A., Song, X., Terry, A., Weinberger, J., Wootten, M., Harding, P., McDonough, S., Mcgee, P.F., Hess, K.O., Phoebus, D., Quinlan, S., Raiden, E., Batts, E., Buddy, C., Kirpatrick, K., Ramey, M., Shultz, A., Webb, C., Romesco, M., Fradkin, J., Aas, S., Blumberg, E., Beck, G., Brillon, D., Gubitosi-Klug, R., Laffel, L., Vigersky, R., Wallace, D., Braun, J., B. lo, Mitchell, H., Naji, A., Nerup, J., Orchard, T., Steffes, M., Tsiatis, A., Veatch, R., Zinman, B., Loechelt, B., Baden, L., Green, M., Weinberg, A., Marcovina, S., Palmer, J.P., Babu, S., Eisenbarth, G.S., Marks, J., Matheson, D., Gomez, D., McDonald, A., Pena, S., Pietropaolo, M., Shippy, K., Brown, T., Dove, A., Hammond, M., Hefty, D., Klein, J., Kuhns, K., Letlau, M., Lord, S., McCulloch-Olson, M., Miller, L., Odegard, J., Sachter, E., St Marie, M., Stickney, K., VanBuecken, D., Vellek, B., Webber, C., Allen, L., Bollyk, J., Hilderman, N., Ismail, H., Lamola, S., Sanda, S., Vendettuoli, H., Tridgell, D., Monzavi, R., Bock, M., Fisher, L., Halvorson, M., Jeandron, D., Kim, M., Wood, J., Geffner, M., Salazar, C., Cook, S., Freeby, M., Gallagher, M.P., Gandica, R., Greenberg, E., Kurland, A., Pollak, S., Wolk, A., Chan, M., Koplimae, L., Levine, E., Smith, K., Trast, J., Evans-Molina, C., Hufferd, R., Jagielo, B., Kruse, C., Patrick, V., Rigby, M., Spall, M., Swinney, K., Terrell, J., Christner, L., Ford, L., Lynch, S., Menendez, M., Merrill, P., and Pesc

Subjects
Adult, Male, medicine.medical_specialty, Adolescent, Endocrinology, Diabetes and Metabolism, Concordance, Twins, Autoimmunity, 030209 endocrinology & metabolism, Type 2 diabetes, Environment, medicine.disease_cause, Islets of Langerhans, Young Adult, 03 medical and health sciences, 0302 clinical medicine, Risk Factors, Seroepidemiologic Studies, Diabetes mellitus, Internal medicine, Diseases in Twins, Twins, Dizygotic, Internal Medicine, medicine, Genetic predisposition, Humans, Insulin, Mass Screening, Genetic Predisposition to Disease, 030212 general & internal medicine, Child, Mass screening, Autoantibodies, Advanced and Specialized Nursing, Type 1 diabetes, Glutamate Decarboxylase, business.industry, Siblings, Autoantibody, Twins, Monozygotic, Predicting Diabetes Using Genetic Risk Scores, medicine.disease, Diabetes Mellitus, Type 1, Endocrinology, Child, Preschool, Disease Progression, Female, business
Abstract

OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody–positive, 13% for single autoantibody–positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody–positive, 12% for single autoantibody–positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody–positive identical twins and multiple autoantibody–positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.

Published
2019
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2. Effect of Oral Insulin on Prevention of Diabetes in Relatives of Patients With Type 1 Diabetes A Randomized Clinical Trial

Author

Greenbaum, C., Atkinson, M., Baidal, D., Battaglia, M., Bingley, P., Bosi, E., Buckner, J., Clements, M., Colman, P., DiMeglio, L., Evans-Molina, C., Gitelman, S., Goland, R., Gottlieb, P., Herold, K., Knip, M., Krischer, J., Lernmark, A., Moore, W., Moran, A., Muir, A., Palmer, J., Peakman, M., Philipson, L., Raskin, P., Redondo, M., Rodriguez, H., Russell, W., Spain, L., Schatz, D.A., Sosenko, J., Wherrett, D., Wilson, D., Winter, W., Ziegler, A., Anderson, M., Antinozzi, P., Benoist, C., Blum, J., Bourcier, K., Chase, P., Clare-Salzler, M., Clynes, R., Cowie, C., Eisenbarth, G., Fathman, C.G., Grave, G., Harrison, L., Hering, B., Insel, R., Jordan, S., Kaufman, F., Kay, T., Kenyon, N., Klines, R., Lachin, J., Leschek, E., Mahon, J., Marks, J.B., Monzavi, R., Nanto-Salonen, K., Nepom, G., Orban, T., Parkman, R., Pescovitz, M., Peyman, J., Pugliese, A., Ridge, J., Roep, B., Roncarolo, M., Savage, P., Simell, O., Sherwin, R., Siegelman, M., Skyler, J.S., Thomas, J., Trucco, M., Wagner, J., Greenbaum, C.J., Krischer, J.P., Rafkin, L., Foulkes, M., Krause-Steinrauf, H., Lachin, J.M., Malozowski, S., Zafonte, S.J., Kenyon, N.S., Santiago, I., Bundy, B., Abbondondolo, M., Adams, T., Asif, D.A.I., Boonstra, M., Boulware, D., Burroughs, C., Cuthbertson, D., Eberhard, C., Fiske, S., Ford, J., Garmeson, J., Guillette, H., Geyer, S., Hays, B., Henderson, C., Henry, M., Heyman, K., Hsiao, B., Karges, C., Kinderman, A., Lane, L., Leinbach, A., Liu, S., Lloyd, J., Malloy, J., Maddox, K., Martin, J., Miller, J., Moore, M., Muller, S., Nguyen, T., O'Donnell, R., Parker, M., Pereyra, M.J., Reed, N., Roberts, A., Sadler, K., Stavros, T., Tamura, R., Wood, K., Xu, P., Young, K., Alies, P., Badias, F., Baker, A., Bassi, M., Beam, C., Bounmananh, L., Bream, S., Deemer, M., Freeman, D., Gough, J., Ginem, J., Granger, M., Holloway, M., Kieffer, M., Lane, P., Law, P., Linton, C., Nallamshetty, L., Oduah, V., Parrimon, Y., Paulus, K., Pilger, J., Ramiro, J., Ritzie, A.Q.L., Sharma, A., Shor, A., Song, X.H., Terry, A., Weinberger, J., Wootten, M., Harding, M.F.P., McDonough, S., Mcgee, P.F., Hess, K.O., Phoebus, D., Quinlan, S., Raiden, E., Fradkin, J., Beck, G., Blumberg, E., Gubitosi-Klug, R., Laffel, L., Veatch, R., Wallace, D., Braun, J., Brillon, D., B. lo, Mitchell, H., Naji, A., Nerup, J., Orchard, T., Steffes, M., Tsiatis, A., Zinman, B., Loechelt, B., Baden, L., Green, M., Weinberg, A., Marcovina, S., Palmer, J.P., Yu, L.P., Shultz, A., Batts, E., Fitzpatrick, K., Ramey, M., Guerra, R., Webb, C., Caffey, F., Carr, L., Ergun-Longmire, B., Fenton, C., Giebner, D., Johnson, J., Maglionico, D., Marinelli, M., Martin, K., Minnozzi, E., Riley, W., Wilson, M., Gougeon, C., Ho, J., Huang, C., Pacaud, D., Virtanen, H., Craig, C., Ghatak, A., Henderson, T., Leyland, H., Padmore, K., Paul, P., Brickman, W., Halsey-Lyda, M., Petrie, P., Rizzo, D., Steuer, R., Suchyta, K., Torchen, L., Zimmerman, D., Bode, B., Dial, M., Gazaway, K., Hosey, R., Alkanani, A., Barker, J., Barr, M., Blau, A., Burdick, P., Burke, B., Chase, H., Drye, M., Escobar, E., Fitzgerald-Miller, L., Fouts, A., Gage, V., Gall, E., Goettle, H., Harris, S., Ketchum, K., King, M., Klingensmith, G., Lehr, D., Lehr, J., Lewis, L., Logsden-Sackett, N., Lykens, J., Maahs, D., Michels, A., Pelletier, S., Rihanek, M., Rodriguez, P., Schauwecker, A., Simmons, K., Smith, J., Steck, A., Tran, B., Tran, T., Wadwa, P., Wagner, R., Wright, H., Betancourt, J., Bui, V., DeSalvo, D., Gomez, D., Jake, K., Lynds, J., McCartney, T., McDonald, A., Pena, S., Pietropaolo, M., Greenbaum, C., Atkinson, M., Baidal, D., Battaglia, M., Becker, D., Bingley, P., Bosi, E., Buckner, J., Clements, M., Colman, P., Dimeglio, L., Evans-Molina, C., Gitelman, S., Goland, R., Gottlieb, P., Herold, K., Knip, M., Krischer, J., Lernmark, A., Moore, W., Moran, A., Muir, A., Palmer, J., Peakman, M., Philipson, L., Raskin, P., Redondo, M., Rodriguez, H., Russell, W., Spain, L., Schatz, D. A., Sosenko, J., Wherrett, D., Wilson, D., Winter, W., and Ziegler, A.

Subjects
0301 basic medicine, Male, medicine.medical_specialty, Adolescent, medicine.medical_treatment, Administration, Oral, 030209 endocrinology & metabolism, Placebo, law.invention, 03 medical and health sciences, 0302 clinical medicine, Randomized controlled trial, Interquartile range, law, Internal medicine, Diabetes mellitus, medicine, Humans, Hypoglycemic Agents, Insulin, Family, Treatment Failure, Child, Original Investigation, Autoantibodies, Type 1 diabetes, Glucose tolerance test, medicine.diagnostic_test, business.industry, General Medicine, ta3121, Glucose Tolerance Test, medicine.disease, 030104 developmental biology, Diabetes Mellitus, Type 1, Child, Preschool, Cohort, Female, business, Follow-Up Studies
Abstract

Importance Type 1 diabetes requires major lifestyle changes and carries increased morbidity and mortality. Prevention or delay of diabetes would have major clinical effect. Objective To determine whether oral insulin delays onset of type 1 diabetes in autoantibody-positive relatives of patients with type 1 diabetes. Design, Setting, and Participants Between March 2, 2007, and December 21, 2015, relatives with at least 2 autoantibodies, including insulin autoantibodies and normal glucose tolerance, were enrolled in Canada, the United States, Australia, New Zealand, the United Kingdom, Italy, Sweden, Finland, and Germany. The main study group (n = 389) had first-phase insulin release on an intravenous glucose tolerance test that was higher than the threshold. The 55 patients in the secondary stratum 1 had an identical antibody profile as the main study group except they had first-phase insulin release that was lower than the threshold. Secondary strata 2 (n = 114) and strata 3 (n = 3) had different autoantibody profiles and first-phase insulin release threshold combinations. Follow-up continued through December 31, 2016. Interventions Randomization to receive 7.5 mg/d of oral insulin (n = 283) or placebo (n = 277), including participants in the main study group who received oral insulin (n = 203) or placebo (n = 186). Main Outcome and Measures The primary outcome was time to diabetes in the main study group. Significance was based on a 1-sided threshold of .05, and 1-sided 95% CIs are reported. Results Of a total of 560 randomized participants (median enrollment age, 8.2 years; interquartile range [IQR], 5.7-12.1 years; 170 boys [60%]; 90.7% white non-Hispanic; 57.6% with a sibling with type 1 diabetes), 550 completed the trial including 389 participants (median age, 8.4 years; 245 boys [63%]), 382 (96%) in the main study group. During a median follow-up of 2.7 years (IQR, 1.5-4.6 years) in the main study group, diabetes was diagnosed in 58 participants (28.5%) in the oral insulin group and 62 (33%) in the placebo group. Time to diabetes was not significantly different between the 2 groups (hazard ratio [HR], 0.87; 95% CI, 0-1.2;P = .21). In secondary stratum 1 (n = 55), diabetes was diagnosed in 13 participants (48.1%) in the oral insulin group and in 19 participants (70.3%) in the placebo group. The time to diabetes was significantly longer with oral insulin (HR, 0.45; 95% CI, 0-0.82;P = .006). The HR for time to diabetes for the between-group comparisons for the 116 participants in the other secondary stratum was 1.03 (95% CI, 0-2.11;P = .53) and for the entire cohort of 560 participants was 0.83 (95% CI, 0-1.07;P = .11), which were not significantly different. The most common adverse event was infection (n = 254), with 134 events in the oral insulin group and 120 events in the placebo group, but no significant study-related adverse events occurred. Conclusions and Relevance Among autoantibody-positive relatives of patients with type 1 diabetes, oral insulin at a dose of 7.5 mg/d, compared with placebo, did not delay or prevent the development of type 1 diabetes over 2.7 years. These findings do not support oral insulin as used in this study for diabetes prevention. Trial Registration clinicaltrials.gov Identifier:NCT00419562

Published
2017

3. Het inlijsten van de geschiedenis Een onderzoek naar de DDR, BRD en post-Wende historiografie over de Spartakusbond

Author

Marks, J.B., Krol, R.A. (Thesis Advisor), Marks, J.B., and Krol, R.A. (Thesis Advisor)

Abstract

In deze scriptie wordt de historiografie over de Spartakusbond onderzocht uit de periodes van de Koude Oorlog in Duitsland (1950-1989), waarbinnen een onderscheid wordt gemaakt tussen de Oost-Duitsland (DDR) en West-Duitsland (BRD), en na de Wende van 1989 tot nu. De Spartakusbond was een sociaal-communistische beweging actief tijdens de Novemberrevolutie in Duitsland in 1918/1919. De leiders van de bond waren Karl Liebknecht en Rosa Luxemburg. De historiografie rond de Spartakusbond wordt onderzocht aan de hand van drie thema’s: massa-activisme, de verhouding met het Russisch bolsjewisme en pacifisme. Aan de hand van primaire literatuur worden de standpunten van de bond onderzocht. Uit de historiografie bleken de volgende punten: • Historici uit de DDR schreven normatief over de Spartakusbond. Hun interesse binnen de geschiedschrijving gaat uit naar de arbeidersklasse en is bottom-up. • In de BRD was er met name aandacht voor de politieke gevolgen waar de acties en geschriften van de Spartakusbond tot leidde. Deze historiografie heeft een top-down perspectief. • In de historiografie van na 1989 is thema ‘massa-activisme’ dominant. Voor de thema’s ‘verhouding met het bolsjewisme’ en ‘pacifisme’ is de aandacht verslapt. Aan de hand van Erving Goffmans theorie over ‘framing’ en theorieën over politisering van geschiedenis kunnen deze constateringen verklaard worden. Zowel de communistische DDR als kapitalistische BRD hadden er beide belangen bij de geschiedenis zo te interpreteren dat het in hun eigen wereldbeeld paste, omdat ze hiermee de legitimiteit van hun eigentijdse maatschappij aantonen. Voor de DDR was dit door een lijn met Rusland te creëren in zijn geschiedenis, terwijl de BRD hier juist meer kritiek op leverde, net als in de contemporaine politieke situatie van beide staten. De geschiedenis van de Spartakusbond werd dus geïnstrumentaliseerd. De historiografie na de Wende is zich bewust van de ‘framing’ van de voorgaande historiografie, maar dit is juist ond

Published
2017

4. Interleukin-1 antagonism in type 1 diabetes of recent onset:two multicentre, randomised, double-blind, placebo-controlled trials

Author

Moran, A., Bundy, B., Becker, D.J., DiMeglio, L.A., Gitelman, S.E., Goland, R., Greenbaum, C.J., Herold, K.C., Marks, J.B., Raskin, P., Sanda, S., Schatz, D., Wherrett, D.K., Wilson, D.M., Krischer, J.P., Skyler, J.S., Pickersgill, L., Koning, E. de, Ziegler, A.G., Boehm, B., Badenhoop, K., Schloot, N., Bak, J.F., Pozzilli, P., Mauricio, D., Donath, M.Y., Castano, L., Wagner, A., Lervang, H.H., Perrild, H., Mandrup-Poulsen, T., Pociot, F., Dinarello, C.A., University of Zurich, and Skyler, Jay S

Subjects
Male, 2700 General Medicine, Medical and Health Sciences, law.invention, Randomized controlled trial, law, Insulin-Secreting Cells, 540 Chemistry, Monoclonal, Clinical endpoint, Child, Humanized, 10038 Institute of Clinical Chemistry, C-Peptide, Diabetes, Antibodies, Monoclonal, General Medicine, Pathogenesis and modulation of inflammation [N4i 1], Treatment Outcome, 6.1 Pharmaceuticals, Female, medicine.drug, Type 1, Type 1 Diabetes TrialNet Canakinumab Study Group, musculoskeletal diseases, Adult, medicine.medical_specialty, Adolescent, Clinical Trials and Supportive Activities, 610 Medicine & health, Placebo, Antibodies, Monoclonal, Humanized, Autoimmune Disease, Article, Antibodies, Young Adult, Double-Blind Method, Clinical Research, Internal medicine, General & Internal Medicine, medicine, Diabetes Mellitus, Humans, Hypoglycemic Agents, Immunologic Factors, Adverse effect, Metabolic and endocrine, Type 1 diabetes, Anakinra, Analysis of Variance, Intention-to-treat analysis, business.industry, Evaluation of treatments and therapeutic interventions, medicine.disease, Surgery, Canakinumab, Interleukin 1 Receptor Antagonist Protein, Diabetes Mellitus, Type 1, business, AIDA Study Group, Interleukin-1
Abstract

Item does not contain fulltext BACKGROUND: Innate immunity contributes to the pathogenesis of autoimmune diseases, such as type 1 diabetes, but until now no randomised, controlled trials of blockade of the key innate immune mediator interleukin-1 have been done. We aimed to assess whether canakinumab, a human monoclonal anti-interleukin-1 antibody, or anakinra, a human interleukin-1 receptor antagonist, improved beta-cell function in recent-onset type 1 diabetes. METHODS: We did two randomised, placebo-controlled trials in two groups of patients with recent-onset type 1 diabetes and mixed-meal-tolerance-test-stimulated C peptide of at least 0.2 nM. Patients in the canakinumab trial were aged 6-45 years and those in the anakinra trial were aged 18-35 years. Patients in the canakinumab trial were enrolled at 12 sites in the USA and Canada and those in the anakinra trial were enrolled at 14 sites across Europe. Participants were randomly assigned by computer-generated blocked randomisation to subcutaneous injection of either 2 mg/kg (maximum 300 mg) canakinumab or placebo monthly for 12 months or 100 mg anakinra or placebo daily for 9 months. Participants and carers were masked to treatment assignment. The primary endpoint was baseline-adjusted 2-h area under curve C-peptide response to the mixed meal tolerance test at 12 months (canakinumab trial) and 9 months (anakinra trial). Analyses were by intention to treat. These studies are registered with ClinicalTrials.gov, numbers NCT00947427 and NCT00711503, and EudraCT number 2007-007146-34. FINDINGS: Patients were enrolled in the canakinumab trial between Nov 12, 2010, and April 11, 2011, and in the anakinra trial between Jan 26, 2009, and May 25, 2011. 69 patients were randomly assigned to canakinumab (n=47) or placebo (n=22) monthly for 12 months and 69 were randomly assigned to anakinra (n=35) or placebo (n=34) daily for 9 months. No interim analyses were done. 45 canakinumab-treated and 21 placebo-treated patients in the canakinumab trial and 25 anakinra-treated and 26 placebo-treated patients in the anakinra trial were included in the primary analyses. The difference in C peptide area under curve between the canakinumab and placebo groups at 12 months was 0.01 nmol/L (95% CI -0.11 to 0.14; p=0.86), and between the anakinra and the placebo groups at 9 months was 0.02 nmol/L (-0.09 to 0.15; p=0.71). The number and severity of adverse events did not differ between groups in the canakinumab trial. In the anakinra trial, patients in the anakinra group had significantly higher grades of adverse events than the placebo group (p=0.018), which was mainly because of a higher number of injection site reactions in the anakinra group. INTERPRETATION: Canakinumab and anakinra were safe but were not effective as single immunomodulatory drugs in recent-onset type 1 diabetes. Interleukin-1 blockade might be more effective in combination with treatments that target adaptive immunity in organ-specific autoimmune disorders. FUNDING: National Institutes of Health and Juvenile Diabetes Research Foundation.

Published
2013
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5. Interleukin-1 antagonism in type 1 diabetes of recent onset: two multicentre, randomised, double-blind, placebo-controlled trials

Author

Moran, A., Bundy, B., Becker, D.J., DiMeglio, L.A., Gitelman, S.E., Goland, R., Greenbaum, C.J., Herold, K.C., Marks, J.B., Raskin, P., Sanda, S., Schatz, D., Wherrett, D.K., Wilson, D.M., Krischer, J.P., Skyler, J.S., Pickersgill, L., Koning, E. de, Ziegler, A.G., Boehm, B., Badenhoop, K., Schloot, N., Bak, J.F., Pozzilli, P., Mauricio, D., Donath, M.Y., Castano, L., Wagner, A., Lervang, H.H., Perrild, H., Mandrup-Poulsen, T., Pociot, F., Dinarello, C.A., et al., Moran, A., Bundy, B., Becker, D.J., DiMeglio, L.A., Gitelman, S.E., Goland, R., Greenbaum, C.J., Herold, K.C., Marks, J.B., Raskin, P., Sanda, S., Schatz, D., Wherrett, D.K., Wilson, D.M., Krischer, J.P., Skyler, J.S., Pickersgill, L., Koning, E. de, Ziegler, A.G., Boehm, B., Badenhoop, K., Schloot, N., Bak, J.F., Pozzilli, P., Mauricio, D., Donath, M.Y., Castano, L., Wagner, A., Lervang, H.H., Perrild, H., Mandrup-Poulsen, T., Pociot, F., Dinarello, C.A., and et al.

Abstract

Item does not contain fulltext, BACKGROUND: Innate immunity contributes to the pathogenesis of autoimmune diseases, such as type 1 diabetes, but until now no randomised, controlled trials of blockade of the key innate immune mediator interleukin-1 have been done. We aimed to assess whether canakinumab, a human monoclonal anti-interleukin-1 antibody, or anakinra, a human interleukin-1 receptor antagonist, improved beta-cell function in recent-onset type 1 diabetes. METHODS: We did two randomised, placebo-controlled trials in two groups of patients with recent-onset type 1 diabetes and mixed-meal-tolerance-test-stimulated C peptide of at least 0.2 nM. Patients in the canakinumab trial were aged 6-45 years and those in the anakinra trial were aged 18-35 years. Patients in the canakinumab trial were enrolled at 12 sites in the USA and Canada and those in the anakinra trial were enrolled at 14 sites across Europe. Participants were randomly assigned by computer-generated blocked randomisation to subcutaneous injection of either 2 mg/kg (maximum 300 mg) canakinumab or placebo monthly for 12 months or 100 mg anakinra or placebo daily for 9 months. Participants and carers were masked to treatment assignment. The primary endpoint was baseline-adjusted 2-h area under curve C-peptide response to the mixed meal tolerance test at 12 months (canakinumab trial) and 9 months (anakinra trial). Analyses were by intention to treat. These studies are registered with ClinicalTrials.gov, numbers NCT00947427 and NCT00711503, and EudraCT number 2007-007146-34. FINDINGS: Patients were enrolled in the canakinumab trial between Nov 12, 2010, and April 11, 2011, and in the anakinra trial between Jan 26, 2009, and May 25, 2011. 69 patients were randomly assigned to canakinumab (n=47) or placebo (n=22) monthly for 12 months and 69 were randomly assigned to anakinra (n=35) or placebo (n=34) daily for 9 months. No interim analyses were done. 45 canakinumab-treated and 21 placebo-treated patients in the canakinumab trial and 25 a

Published
2013

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