David Collins

ORCID: 0000-0003-4691-5305
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Rheumatoid Arthritis Research and Therapies
  • Bone health and osteoporosis research
  • Systemic Lupus Erythematosus Research
  • Vitamin D Research Studies
  • Nutritional Studies and Diet
  • Bone health and treatments
  • Health Systems, Economic Evaluations, Quality of Life
  • Autoimmune and Inflammatory Disorders Research
  • Diet and metabolism studies
  • Bone Metabolism and Diseases
  • Vasculitis and related conditions
  • Otitis Media and Relapsing Polychondritis
  • Obesity, Physical Activity, Diet
  • Chronic Lymphocytic Leukemia Research
  • Cancer Treatment and Pharmacology
  • Biosimilars and Bioanalytical Methods
  • Nutrition and Health in Aging
  • Systemic Sclerosis and Related Diseases
  • HER2/EGFR in Cancer Research
  • Diabetes Treatment and Management
  • Hip and Femur Fractures
  • Blood groups and transfusion
  • Platelet Disorders and Treatments
  • Inflammatory mediators and NSAID effects
  • Musculoskeletal synovial abnormalities and treatments

MRC Epidemiology Unit
2019-2025

University of Cambridge
2019-2025

Johns Hopkins University
2005-2024

Johns Hopkins Medicine
2005-2024

National Health Service
2023

Technical Design (United States)
2021

PeaceHealth St. John Medical Center
2021

Great Western Hospital
2008-2020

MRC Human Nutrition Research
2018-2020

Medical Research Council
2019

BackgroundIndividuals with serum antibodies to citrullinated protein antigens (ACPA), rheumatoid factor, and symptoms, such as inflammatory joint pain, are at high risk of developing arthritis. In the arthritis prevention in pre-clinical phase abatacept (APIPPRA) trial, we aimed evaluate feasibility, efficacy, acceptability treating individuals T-cell co-stimulation modulator abatacept.MethodsThe APIPPRA study was a randomised, double-blind, multicentre, parallel, placebo-controlled, 2b...

10.1016/s0140-6736(23)02649-1 article EN cc-by The Lancet 2024-02-13
George A. Bray Iris W. Culbert Catherine M. Champagne Linda Dawson Barbara Eberhardt and 93 more Frank L. Greenway Fonda G. Guillory Adelaide A. Hebert Michael L. Jeffirs Betty M. Kennedy Jennifer C. Lovejoy Lee E. Melancon Laura H. Morris J. Perault Donna H. Ryan Deborah A. Sanford Kenneth G. C. Smith Leland L. Smith Julia A. St. Amant Elizabeth W. Tucker Richard T. Tulley Paula C. Vicknair David F. Williamson J. J. Zachwieja Janet Tobian Margaret J. Matulik B.L. Clarke David Collins Kirsten Czech Catherine DeSandre David A. Ehrmann G. Geiger Barbara Harding-Clay Ruthanne Hilbrich Wylie McNabb K. S. Polonsky Ann R. Semenske K. Amy Stepp Pamela G. Watson John Mendoza Karen Smith B. J. Goldstein Chris Lark Renee Liberoni Leigh C. Murphy Constance Pepe John Spandorfer Ronald Goldberg Patricia M. Rowe J. Calles P Casanova Richard P. Donahue Hermes Flórez Anna Giannella V. McLymont José D. Méndez Patrick J. O’Hara Juliet Ojito Ronald J. Prineas Steven M. Haffner Maria G. Montez H. Miettinen C. Mobley L. Mykkanen M. M. Rozek Richard F. Hamman Patricia V. Nash B. Ned Calonge James O. Hill Shelley R. Hoyer Bonnie T. Jortberg M. Miller-Stone Judith G. Regensteiner Helen Seagle Sheila C. Steinke Lisa Testaverde Brent VanDorsten Edward S. Horton Kathleen E. Lawton Ronald A. Arky Marsha Bryant J. P. Burke Esther Lagunas Caballero Kimberley Callaghan Om P Ganda Thainara Araújo Franklin Steven Jackson A. M. Jacobsen Lyn M. Kula Margaret Kocal Maureen A. Malloy M Nicosia Cathryn F. Oldmixon Jocelyn Pan Marizel Quitingon Stacy Rubtchinsky Ellen W. Seely Daniela Schweizer

OBJECTIVE: The Diabetes Prevention Program (DPP) is a 27-center randomized clinical trial designed to evaluate the safety and efficacy of interventions that may delay or prevent development diabetes in people at increased risk for type 2 diabetes. RESEARCH DESIGN AND METHODS: Eligibility requirements were age > = 25 years, BMI 24 kg/m2 (> 22 Asian-Americans), impaired glucose tolerance plus fasting plasma 5.3-6.9 mmol/l (or < 6.9 mmol American Indians). Randomization...

10.2337/diacare.23.11.1619 article EN Diabetes Care 2000-11-01

Monitoring dietary intake of sugars in the population's diet has great importance evaluating efficiency national sugar reduction programmes. The study objective was to provide a comprehensive assessment sources added and free assess adherence public health recommendations UK population consider impact different definitions on monitoring. terms "added sugar" "free are which include components may result intakes depending definition. Dietary sugars, seven individual (sugar from table sugar;...

10.3390/nu12020393 article EN Nutrients 2020-02-01

Prostaglandins (PG) act as direct inhibitors of mature osteoclasts, but although resorption-inhibition is also observed initially PG increase bone resorption in organ culture. This suggests that influence culture through actions on cell types other than osteoclasts. We have therefore tested the effects E1, E2, and F2 alpha differentiation osteoclastic phenotype mouse marrow cultures using calcitonin receptors (CTR) markers differentiation. found PGE2 (10(-6)-10(-9) M) PGE1 (10(-6)-10(-7)...

10.1002/jbmr.5650060209 article EN Journal of Bone and Mineral Research 1991-02-01

GPR119 receptor agonists improve glucose metabolism and alter gut hormone profiles in animal models healthy subjects. We therefore investigated the pharmacology of GSK1292263 (GSK263), a selective agonist, two randomized, placebo-controlled studies that enrolled subjects with type 2 diabetes. Study 1 had drug-naive or who stopped their diabetic medications, taking metformin. GSK263 was administered as single (25–800 mg; n = 45) multiple doses (100–600 mg/day for 14 days; 96). Placebo...

10.1371/journal.pone.0092494 article EN cc-by PLoS ONE 2014-04-03

Access to rheumatology services in Canada is becoming increasingly challenging due the rising burden of rheumatic and musculoskeletal diseases (RMDs) a rapidly growing population, workforce supply deficit that projected worsen coming years. Specialist physician remuneration has been demonstrated influence practices, thereby affecting access health quality care. Hence, we sought compare fee-for-service structures across provinces Canada. We performed an environmental scan publicly-funded...

10.3899/jrheum.2024-1170 article EN other-oa The Journal of Rheumatology 2025-03-01

10.1007/bf02672505 article EN Osteoporosis International 1998-03-01

ABSTRACT Since 1970 Mycoplasma fermentans has been suspected of being associated with rheumatoid arthritis. However, this association difficult to prove, and our goal. The distribution M. was studied in the synovial fluid patients suffering from different arthritides. Samples were taken well-defined disease a clear diagnosis. After removal inflammatory cells hyaluran, they treated proteinase K tested by single or fully nested PCR primers directed against part two 16S rRNA genes . product...

10.1128/jcm.38.1.90-93.2000 article EN Journal of Clinical Microbiology 2000-01-01

Abstract Osteoclastic differentiation is induced from hematopoietic cells in the presence of 1,25-(OH)2D3 by stromal that are present bone but not spleen. Recent evidence suggests prostaglandins (PGs) essential for this process. In communication we describe experiments which have examined further role PGE2 osteoclast formation. We found a marked reduction basal, 1,25-(OH)2D3, and IL-3-induced production calcitonin receptor (CTR)-positive resorption cyclooxygenase inhibitors, was restored...

10.1002/jbmr.5650070512 article EN Journal of Bone and Mineral Research 1992-05-01

1. This work investigated the drug interaction potential of GSK1292263, a novel GPR119 agonist, with HMG-coA reductase inhibitors simvastatin and rosuvastatin.2. In vitro experiments assessed inhibition transporters CYP enzymes by clinical study effect GSK1292263 (300 mg BID) on pharmacokinetic profile (40 single dose) rosuvastatin (10 dose).3. vitro, demonstrated little/weak (IC50 values >30 μM) towards CYPs (CYP1A2, 2C9, 2C19, 2D6, 3A4), Pgp, OATP1B3, or OCT2. However, inhibited BCRP...

10.3109/00498254.2012.739719 article EN Xenobiotica 2012-12-21

Little is known about population levels of energy expenditure, as national surveillance systems typically employ only crude measures. The National Diet and Nutrition Survey (NDNS) in the UK measured expenditure a 10% subsample by gold-standard doubly labelled water (DLW).DLW-subsample participants from NDNS (383 males, 387 females) aged 4-91 years were recruited between 2008 2015 (rolling programme). Height weight body-fat percentage estimated deuterium dilution.Absolute total (TEE)...

10.1093/ije/dyaa005 article EN cc-by International Journal of Epidemiology 2020-01-13

Summary A new switching criterion for adaptive-implicit reservoir simulation, based on the numerical stability of local amplification matrix, is discussed. Adaptive-implicit methods can be used to achieve substantial savings in computing time and storage. The success their application, however, depends critically an appropriate criterion. standard discussed literature application threshold changes primary variables, which are usually determined by some preliminary testing chosen...

10.2118/16003-pa article EN SPE Reservoir Engineering 1989-02-01

The effect of fluoroquinolone use on the susceptibility Pseudomonas aeruginosa to fluoroquinolones in U.S. hospitals was studied. Benchmarking surveys were sent annually pharmacists practicing from 1993 1999. Data collected included hospital characteristics, antimicrobial expenditures and use, stewardship activities, bacterial susceptibilities. Antimicrobial normalized for number occupied beds (OBs) per year. General linear modeling repeated-measures mixed-effects used determine factors...

10.1093/ajhp/60.19.1962 article EN American Journal of Health-System Pharmacy 2003-10-01

Abstract The osteoclast is known to be derived from the hematopoietic stem cell, but its lineage remains controversial. There evidence that osteoclastic differentiation induced through a contact-dependent interaction between bone marrow stromal cells and precursors. To analyze lineage, colonies were generated in semisolid medium mouse spleen presence of Wehi-conditioned medium, interleukin-3 (IL-3), granulocyte-macrophage colony-stimulating factor (GM-CSF), or macrophage (M-CSF) with without...

10.1002/jbmr.5650070316 article EN Journal of Bone and Mineral Research 1992-03-01

By use of a very sensitive nested PCR method targeting part the strongly conserved mycoplasmal 16S RNA genes, Mycoplasma pneumoniae was found in synovial fluid 19/24 (79%) rheumatoid arthritis patients, 6/6 (100%) patients with nonrheumatoid inflammatory arthritis, and 8/10 (80%) osteoarthritis attending rheumatology clinic for drainage joint effusions. It not exudates 13 people orthopedic traumatic knee injuries or undergoing surgery replacement. However, M. detected 2/4 biopsy specimens...

10.1128/jcm.01973-06 article EN Journal of Clinical Microbiology 2006-11-23
Coming Soon ...