Research & Publications

Translational research has always been the linchpin of Lifedoc’s clinical framework, further enabling us to provide healthcare that is quality-oriented and data-driven. Over the last 15 years, research has remained an integral part of our efforts to maximize the applicability of health data. With active participation in industry-sponsored and investigator-initiated research, we aim to to inform emerging treatments and continually refine our clinical model for the ultimate benefit of the patient. This focus allows us to continually develop data to support our evidence-based approach, ensuring that our patients receive the most effective healthcare and clinical interventions. Ultimately, this allows us to fulfill our mission of establishing Lifedoc as a reference model for researchers and practitioners studying the development and prevention of cardiometabolic conditions.

Take a look at our past and ongoing trials, research partnerships as well as some of our published/presented studies below.

Interested in working with our research site? Contact us.

Quality care for all. A kid playing doctor.

Research Partnerships

Novo Nordisk

Industry-sponsored Clinical Trials

Ongoing Trials

– Boehringer-Ingleheim – Safety and Efficacy of SGLT-2 and DPP-4 in Type 2 Diabetes, Children 10 – 17 years of age.

Past Trials

– Janssen – Safety and Efficacy of SGLT-2  in Type 2 Diabetes, Adults – Recognized as Highest Recruiting/Retaining Site in the US

– Novo Nordisk – Safety and Efficacy of Liraglutide in Overweight and Obesity, Children and Adolescents 10-17 years of age – Recruited First and Second Patient Globally

–  Novo Nordisk – Safety and Efficacy of Liraglutide and Metformin in Type 2 Diabetes, Children and Adolescents 10-17 years of age – Recognized as Highest Recruiting Site in the US

Notable Publications

Insulin dynamics predict body mass index and z-score response to insulin suppression or sensitization pharmacotherapy in obese children

Published: The Journal of Pediatrics
Date:
Authors: Robert H Lustig 1 , Michele L Mietus-Snyder, Peter Bacchetti, Ann A Lazar, Pedro A Velasquez-Mieyer, Michael L Christensen
Abstract:
To assess the use of oral glucose tolerance testing (OGTT) to predict efficacy of insulin sensitization (metformin) or suppression (octreotide) because insulin resistance and insulin hypersecretion may impact pharmacotherapeutic efficacy in obese children.

Single- and multiple-dose pharmacokinetics of pioglitazone in adolescents with type 2 diabetes

Published: The Journal of Clinical Pharmacology
Date:
Authors: Michael L Christensen 1 , Bernd Meibohm, Edmund V Capparelli, Pedro Velasquez-Mieyer, George A Burghen, William V Tamborlane
Abstract:
This study assessed the single- and multiple-dose pharmacokinetics of 3 doses (15 mg, 30 mg, and 45 mg) of pioglitazone in 36 adolescents with type 2 diabetes.

Obesity, leptin resistance, and the effects of insulin reduction

Published: International journal of obesity and related metabolic disorders
Date:
Authors: R H Lustig 1 , S Sen, J E Soberman, P A Velasquez-Mieyer
Abstract:
Leptin resistance is a hallmark of obesity, but its etiology is unknown, and its clinical measurement is elusive. Leptin-sensitive subjects have normal resting energy expenditure (REE) at a low leptin concentration, while leptin-resistant subjects have a normal REE at a higher leptin concentration; thus, the ratio of REE:Leptin may provide a surrogate index of leptin sensitivity.

Race affects insulin and GLP-1 secretion and response to a long-acting somatostatin analogue in obese adults

Published: International journal of obesity and related metabolic disorders
Date:
Authors: P A Velasquez-Mieyer 1 , G E Umpierrez, R H Lustig, A K Cashion, P A Cowan, M Christensen, K A Spencer, G A Burghen
Abstract:
This study investigated (1) the effect of octreotide-LAR (Sandostatin-LAR Depot; Novartis) on the enteroinsular axis in a biracial cohort of severely obese adults, (2) whether octreotide suppression of insulin secretion occurs by both a direct beta-cell effect and through mediating a glucagon-like peptide 1 (GLP-1) response, and (3) whether differences in GLP-1 concentrations could explain racial differences in insulin concentrations.

Type 2 diabetes mellitus in children and adolescents: the new challenge

Published: Journal of Pediatric Pharmacology and Therapeutics
Date:
Authors: Michael L Christensen 1 , Sahar M Rashed, Julie Sinclair, Patricia A Cowan, Pedro Velasquez-Mieyer, George A Burghen
Abstract:
The epidemic increase in the incidence of type 2 diabetes mellitus (T2DM) in children and adolescents is presenting enormous challenges to the medical profession. The combination of factors such as obesity, ethnicity, puberty, and genetic predisposition has contributed to the development of T2DM in younger ages.
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