Drug Trial of Lixisenatide on Gastric Emptying and Blood Pressure Drops in Type 2 Diabetics and Healthy People
NCT ID: NCT02308254
Last Updated: 2015-10-29
Study Results
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Basic Information
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UNKNOWN
PHASE1/PHASE2
30 participants
INTERVENTIONAL
2013-11-30
2016-04-30
Brief Summary
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Detailed Description
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Postprandial hypotension represents an important clinical disorder that occurs frequently in the elderly and people with type 2 diabetes and for which current management is suboptimal. While the mechanisms mediating postprandial hypotension are poorly understood, impaired regulation of splanchnic blood flow, gastric distension, the rate of small intestinal delivery and neural and hormonal mechanisms have been identified as possible pathophysiological mechanisms. Meal ingestion is associated with splanchnic blood pooling and a consequent reduction in venous return of blood to the heart. In healthy young and older individuals, with intact baroreflex mechanisms, these changes induce a rise in heart rate, stoke volume and cardiac output leading to a compensatory rise in blood pressure. However, patients with postprandial hypotension, these responses are inadequate to maintain blood pressure. The magnitude of the fall in blood pressure is greater when gastric emptying is more rapid and that slowing gastric emptying can markedly attenuate the postprandial fall in blood pressure in both healthy older subjects and type 2 patients.
There is currently no information about the effect of lixisenatide on postprandial blood pressure and splanchnic blood flow in patients with type 2 diabetes.
The purpose of this study would determine whether lixisenatide reduces the postprandial fall in blood pressure and related effects of gastric emptying to those on blood pressure, heart rate and splanchnic blood flow.
The use of lixisenatide on appetite and energy intake and how these relate to effects of gastric emptying is lacking.
It is hypothesized that lixisenatide will slow gastric emptying of oral glucose; attenuate both fasting and the postprandial rise in blood glucose; attenuate the magnitude of the fall in blood pressure, rise in heart rate and increase in SMA flow and reduce hunger, increase fullness and decrease energy intake at a buffet meal with greater effects in patients with type 2 diabetes that healthy subjects.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
DOUBLE
Study Groups
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Lixisenatide
Lixisenatide: 10 mcg, one subcutaneous injection dose
Lixisenatide
Abdominal administration
Placebo
Matching placebo: one subcutaneous injection dose
Placebo
Abdominal administration
Interventions
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Lixisenatide
Abdominal administration
Placebo
Abdominal administration
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Male or female (females using appropriate contraceptive method or willing to undergo pregnancy test)
* Body Mass Index (BMI) 19 - 30 kg/m2
* Type 2 Diabetic Patients:
* As per "healthy subjects"
* Type 2 diabetes (World Health Organisation (WHO) criteria) managed by diet alone or on metformin
* Glycated haemoglobin \>6.0% and \<8.5%
Exclusion Criteria
1. Alanine aminotransferase (ALT) 0 - 55 U/L
2. Alkaline phosphatase 30 - 110 U/L
3. Aspartate transaminase 0 - 45 U/L
4. Amylase and/or lipase \>3 x ULN
5. Bilirubin 6 - 24 mmol/L
6. Ferritin 15 - 200 ng/mL (females); 30 - 300 ng/mL (males)
7. Haemoglobin 115 - 155 g/L (females); 135 - 172 g/L (males)
* Subjects with a creatinine clearance cut-off of \<50 ml/min
* Subjects requiring medication likely to influence blood pressure or gastrointestinal function
* Subjects with a past history of gastrointestinal disease, including known gastroparesis, significant upper gastrointestinal symptoms and previous gastric surgery
* Subjects with a past history of unexplained pancreatitis, chronic pancreatitis, pancreatectomy
* Subjects with a current or prior history of c-cell carcinoma
* Smoking \> 10 cigarettes/day
* Alchohol consumption \> 20 g/day
* Subjects who have donated blood in the previous 12 weeks
* Women of childbearing potential with no effective contraceptive method (defined as premenopausal, not surgically sterile women for at least 3 months prior to the time of screening) must have a confirmed negative urine B-hCG pregnancy test at screening visit. They must also use an effective contraceptive method throughout the study, and agree to repeat urine pregnancy test at designated visits.
* Lactation
40 Years
80 Years
ALL
Yes
Sponsors
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Sanofi
INDUSTRY
National Health and Medical Research Council, Australia
OTHER
Royal Adelaide Hospital
OTHER
Responsible Party
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Karen Jones
Professor
Principal Investigators
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Karen L Jones, PhD
Role: PRINCIPAL_INVESTIGATOR
University of Adelaide, Royal Adelaide Hospital
Locations
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Discipline of Medicine, Royal Adelaide Hospital
Adelaide, South Australia, Australia
Countries
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Central Contacts
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Facility Contacts
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References
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Other Identifiers
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130419
Identifier Type: -
Identifier Source: org_study_id
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