Prior Safety Data
This treatment has already been tested in at least one earlier human trial.
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At a Glance
Age
35 – 65
Sex
Any
Trial phase
Phase 1/2
Study type
Interventional
Purpose
Treatment
Participants needed
23 (estimated)
Sponsor
University of Kansas Medical Center · Other
Who this trial is looking for
This trial is looking for obese adults aged 35 to 65 with insulin resistance. Participants will test how Vitamin C impacts their blood vessel health and blood pressure.
Are You a Good Fit for This Trial?
You may be able to join if
I am obese with a BMI over 30
I am between 35 and 65 years old
I can stop taking vitamin C or E supplements and omega-3s for 2 weeks
I can provide written consent to participate
You may not be able to join if
I have diabetes with fasting glucose over 126 mg/dL
I am currently taking a statin or blood pressure medication
I have high triglycerides over 250 mg/dL
I have hypertension at levels below 130/80 mmHg
I have a history of heart disease
I have a history of vascular disease
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
The main purpose of research is to examine and understanding the development of hypertension in obese adults with insulin resistance. Findings from our studies will identify unique mechanisms that can be targeted to limit increases in vascular dysfunction and reduce the excessively high prevalence of hypertension and risk for cardiovascular disease (CVD).
This study is testing the health of the b…
The main purpose of research is to examine and understanding the development of hypertension in obese adults with insulin resistance. Findings from our studies will identify unique mechanisms that can be targeted to limit increases in vascular dysfunction and reduce the excessively high prevalence of hypertension and risk for cardiovascular disease (CVD).
This study is testing the health of the blood vessels and the activity of the nerves that control the blood vessels in adults with insulin resistance. The extent to which ascorbic acid (Vitamin C) improves the function of the blood vessels will be determined. The primary outcome is blood pressure, which is the result of blood vessel health and activity of the nerves, and the reduction in blood pressure that is observed with ascorbic acid.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Obese: BMI \>30 m/kg2
2. Middle-aged: 35-65 years
3. Participants must be willing and able to discontinue taking any vitamin C or E supplements or omega-3 fatty acids beginning 2 weeks prior.
4. Able and willing to provide written informed consent
Exclusion Criteria:
1. Dia…
Inclusion Criteria:
1. Obese: BMI \>30 m/kg2
2. Middle-aged: 35-65 years
3. Participants must be willing and able to discontinue taking any vitamin C or E supplements or omega-3 fatty acids beginning 2 weeks prior.
4. Able and willing to provide written informed consent
Exclusion Criteria:
1. Diabetes mellitus: fasting glucose \< 1267 mg/dL and/or HbA1c \< 6.5%
2. Currently taking a statin or antihypertension medication
3. Hyperlipidemia: Fasting triglycerides \< 250 mg/dL
4. Hypertension: \<130/80 mmHg
5. History of heart disease (e.g., myocardial infarction, stent)
6. History of vascular disease (e.g., bypass, stroke)
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