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Health, Environment and Action in Louisville (HEAL) Green Heart Louisville Project

Health, Environment and Action in Louisville (HEAL) Green Heart Louisville Project

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03670524
Acronym
HEAL
Enrollment
835
Registered
2018-09-13
Start date
2018-05-03
Completion date
2028-10-30
Last updated
2026-02-10

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

Conditions

Cardiovascular Diseases, Metabolic Health

Brief summary

The purpose of this study is to examine how the environment and neighborhood characteristics affects the health of the area residents. The study will help determine how changing neighborhood characteristics, such as green space, affect heart health, risk factors for other diseases, sense of well- being or neighborhood cohesion.

Interventions

OTHERGreenness as a therapeutic intervention

Greenness to be used as a therapeutic intervention

Sponsors

University of Louisville
Lead SponsorOTHER
National Institute of Environmental Health Sciences (NIEHS)
CollaboratorNIH
The Nature Conservancy
CollaboratorUNKNOWN

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE

Intervention model description

A unique pragmatic interventional trial with longitudinal follow up to assess the cardiovascular effects of increasing residential greenery.

Eligibility

Sex/Gender
ALL
Age
30 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

* 30-70 years of age. * Live within the targeted study location

Exclusion criteria

* Unwilling or unable to provide consent. * HIV/AIDS, active treatment for cancer, active bleeding including wounds. * Body weight less than 100 pounds or BMI\>40. * Prisoners and other vulnerable populations. * Anyone that PI thinks is unsafe to participate in study.

Design outcomes

Primary

MeasureTime frameDescription
Pulse Wave Analysis. Assess change from baseline arterial stiffness measurement and 2 year followup.Baseline and 2 year followupAugmentation index-percent

Secondary

MeasureTime frameDescription
Self reported annual incomeBaseline and 2 year followupAnnual income reported by dollars
Platelet countBaseline and 2 year followupcells/cubic millimeter
Cardiovascular Measurements. Change from Baseline Systolic and Diastolic pressures at baseline and 2 year followup.Baseline and 2 year followupBlood pressure mm Hg
Physical ExamBaseline and 2 year followupBody weight-pounds
Body lean massBaseline and 2 year followupBody lean mass to be measured in pounds
Body fatBaseline and 2 year followupBody fat to be measured in percentage
Standing heightBaseline and 2 year followupstanding height reported in inches
Waist, Hip measurementBaseline and 2 year followupcentral adiposity (waist circumference, and hip circumference to be measured in inches
Respiratory status will be evaluatedBaseline and 2 year followupFleisch-type pneumotachometer used to evaluate FEV1 and FVC percentages
Bucchal swabBaseline and 2 year followupAssess oral microbiome and DNA from cheek swab will be stored for genetic phenotyping.
Urine collectionBaseline and 2 year followupmetabolites of environmental volatile organic compounds ng/mg creatinine, biogenic VOCs and nicotine metabolites ng/mg creatinine, catecholamines ng/mg creatinine
LipidsBaseline and 2 year followupLDL-mg/dl, HDL-mg/dl, total cholesterol-mg/dl
Toenail samplesBaseline and 2 year followupToenail samples to look for heavy metal exposure
Hair samplesBaseline and 2 year followupHair samples to look at cortisol levels over time.
Perceived stress scale-PSS-10 range 0-40Baseline and 2 year followupThe higher the score the more perceived stress
Depression-Patient Health Questionnaire (PHQ-9) 0-27Baseline and 2 year followupThe 0-4= none; 5-9= Mild, 10-14= Moderate; 15-19= moderately severe; 20-27= severe. The higher the score the more severe the depression.
Well-being assessment-Questionnaire 13-65Baseline and 2 year followupWarwick-Edinburgh Mental Well-being scale 13-65. The higher the score the higher the sense of well-being.
Health perceptionBaseline and 2 year followupHealth perception questionnaire
National Health Interview Survey tobacco questionnaireBaseline and 2 year followupNational Health Interview Survey tobacco questionnaire
The Alcohol Use disorders identification test (AUDIT)- Range 0-40Baseline and 2 year followupScores of 8-15 or more are recommended indicators of hazardous and harmful alcohol use or possible alcohol dependence. Women can be lowered to a score of 7 for concern. Scores of 16-19 suggest a need for brief counseling and continues monitoring. Scores of 20 or above warrant diagnostic evaluation for alcohol dependence.
Self reported physical activity 1Baseline and 2 year followuptimes per week
Self reported physical activity 2Baseline and 2 year followupExertion level of mild moderate or vigorous
Complete Blood Count 1Baseline and 2 year followupWhite/Red blood cell count- cells per cubic millimeter
Complete Blood Count 2Baseline and 2 year followupHemoglobin-grams/deciliter
Complete Blood Count 3Baseline and 2 year followupHematocrit-percentage
Liver functionBaseline and 2 year followupAST, ALT units per liter
Self reported educationBaseline and 2 year followupEducation to be reported by last school grade completed
C-Reactive ProteinBaseline and 2 year followupHs-CRP-mg/Liter

Countries

United States

Contacts

CONTACTJackie Research Coordinator, MS
jacqueline.gallagher@louisville.edu502-852-6167
STUDY_DIRECTORAruni Bhatnagar, PhD

University of Louisville

PRINCIPAL_INVESTIGATORRachel Keith, PhD

University of Louisville

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 11, 2026