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Grasping the Underlying Mechanisms of drug Disposition and Receptor Occupancy by Positron-emission tomography Studies (GUMDROPS)

A feasibility study for the use of 11C-telmisartan to quantify individual differences in target-site exposure in diabetes patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON20821
Enrollment
9
Registered
2017-11-14
Start date
2018-01-01
Completion date
Unknown
Last updated
2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type II Diabetes Mellitus and and microvascular complications

Interventions

On the study day, a non-diagnostic dose CT scan will be performed to optimally position the individual patient for the dynamic PET scan (e.g. with kidney, aorta and part of the liver inside the field

Sponsors

University Medical Center Groningen
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: - Type 2 diabetes - urinary albumin:creatinine ratio (UACR) >3.4 mg/mmol - Age &#8805; 40 years <70 years - Written informed consent

Exclusion criteria

Exclusion criteria: - Pregnant women and women of child-bearing potential who are not using reliable contraception - Use of an ACE inhibitor or angiotensine receptor blocker - Cardiovascular disease: myocardial infarction, angina pectoris, percutanous transluminal coronary angioplasty, coronary artery bypass grafting, stroke, heart failure (NYHA I-IV) 160/ 100 mmHg) - Active malignancy - History of autonomic dysfunction (e.g. history of fainting or clinically significant orthostatic hypotension) - Participation in any clinical investigation within 3 months prior to initial dosing or longer if required by local regulations, and for any other limitation of participation based on local regulations. - Donation or loss of 400 ml or more of blood within 8 weeks prior to initial dosing - History of drug or alcohol abuse within the 12 months prior to dosing, or evidence of such abuse as indicated by the laboratory assays conducted during the screening. - Lithium use - Any medication, surgical or medical condition which might significantly alter the absorption, distribution, metabolism, or excretion of medications including, but not limited to any of the following: o Major gastrointestinal tract surgery such as gastrectomy, gastroenterostomy, or bowel resection o Gastro-intestinal ulcers and/or gastrointestinal or rectal bleeding within last six months o Pancreatic injury or pancreatitis within the last six months o Evidence of hepatic disease as determined by any one of the following: ALT or AST values exceeding 3x ULN at inclusion visit, a history of hepatic encephalopathy, a history of esophageal varices, or a history of portocaval shunt

Design outcomes

Primary

MeasureTime frame
The main study parameters are dynamic PET data and images and radiation count measurement, and free plasma concentrations of telmisartan.

Secondary

MeasureTime frame
The secondary study parameters are Glomerular Filtration Rate and Urine Albumin:Creatinine Ratio.

Contacts

Public ContactH. Lambers Heerspink

University Medical Center Groningen

h.j.lambers.heerspink@umcg.nl+31 50 363 2810

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)