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N/A N=106 Other

Variability in Adrenergic Response

Vascular Reaction to Medications

Enrolled (actual)
106
Serious AEs
0.0%
Results posted
Oct 2018
Primary outcome: Primary: ED50 After Phenylephrine — 172; 310 ng/min

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
Phenylephrine (Drug)
Age
Adult · 18+ yrs
Sex
All
Sponsor
Vanderbilt University
Primary completion
Dec 2010

Outcome Measures

OutcomeResultp-value
PRIMARY
ED50 After Phenylephrine
172; 310
SECONDARY
Change in Blood Pressure
23.0; 18.9; 16.9; 16.4

Summary

The goal of this project is to determine the genetic factors contributing to interindividual differences in response to physiological and pharmacological vasoconstrictors and vasodilators.

Eligibility Criteria

Inclusion Criteria

  • Age between 18 and 40 years, inclusive.
  • Subject must be willing to give written informed consent and be able to adhere to diet and study schedules.
  • Subjects must be free of any clinically significant disease that requires a physician's care and/or would interfere with the study evaluations.
  • Subjects must have a normal or clinically acceptable physical examination and ECG.
  • Clinical laboratory tests (CBC, blood chemistries, and urinalysis) must be within normal limits or clinically acceptable to the investigator.

Exclusion Criteria

  • Any subject who has taken any prescription or over-the-counter drugs, other than oral contraception if female, within two weeks prior to study drug administration.
  • Subjects who are presently, or were formerly, narcotic addicts or alcoholics.
  • Subjects who have a clinically significant allergy/intolerance to phenylephrine.
  • Females with a positive serum/urine pregnancy test at screening.
  • Females who are nursing.
  • Subject using sildenafil or other phosphodiesterase inhibitors.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00838695). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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