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Pollution Related Respiratory DisorderNCT07641413

Lung and Heart Function Across Decades of Life in Health

An observational study of Pollution Related Respiratory Disorder and Pollution; Exposure, run by University of California, San Francisco at 1 site in United States.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

The main objective of this study is to develop baseline "normal" reference values of both lung and heart function for healthy adults within the age range relevant to the United States Veteran population who served in the Southwest Asia theater of military operations. Read more about this study

Who is it for?
Ages 24 to 68 yearsHealthy volunteers can take part
How many people
200 participants
Where
1 siteUnited States
Study dates
1 Aug 2024to 31 Dec 2030
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 24 to 68 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Healthy "normal" adults within the age range relevant to the United States Veteran population who served in the Southwest Asia theater of military operations.

Who may be able to join

  • Age 24-68
  • U.S. Veteran deployed between 1990 to 2021
  • No respiratory complaints (defined as modified Medical Research Council score = 0)
  • No use of respiratory medications

Who cannot join

  • Non-English speaking
  • Pregnancy
  • BMI>35 Kg/m2
  • Tobacco smoking within prior year
  • Lifetime tobacco smoking of >5 pack-years
  • Current inhaled cannabis use (any modality) >2x weekly
Show all 17Show fewer
  • Prior inhaled cannabis uses exceeding 2x weekly within the prior year
  • Illicit drug use (other than cannabis)
  • No prior or current major organ disease, including but not limited to:
  • Neuromuscular weakness
  • History of malignancy (other than non-melanoma skin cancer)-- HIV/AIDS
  • Autoimmune disease
  • Solid-organ or hematopoietic stem cell transplant
  • Cardiovascular disease (other than mild HTN; < 140/90; controlled on 2 or less medications)
  • Poorly-controlled HTN (SBP>140 or DBP>90 or use of more than 2 anti-hypertensive medications)
  • Any history of congestive heart failure (CHF, either HFpEF or HFrEF)
  • Any history of arrythmia (including atrial fibrillation)

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

United States1 site, 1 recruiting
  • University of California San Francisco

    San Francisco, California, 94143

    Mehrdad Arjomandi, MD, 415-221-4810 ext. 24393, mehrdad.arjomandi@ucsf.edu

    Recruiting

Other trials in United States

About this study

Official title: Lung and Heart Function Across Decades of Life in Healthy Population

The main objective of this study is to develop baseline "normal" reference values of both lung and heart function for healthy adults within the age range relevant to the United States Veteran population who served in the Southwest Asia theater of military operations.

This study will involve performing key components of the Department of Veterans Affairs the Airborne Hazards and Open Burn Pit Center of Excellence (AHOBPCE) and a VA network of Post-Deployment Cardiopulmonary Evaluation Network (PDCEN) Core Clinical Evaluation in asymptomatic unexposed healthy controls without known lung or heart disease to serve as a "normal" control comparator group for veterans evaluated by PDCEN.

Read the detailed description

This is an observational study to recruit and thoroughly characterize 200 age- and gender-matched healthy controls without a history of exposure to airborne hazards. The childhood health and disease profiles of participants will also be evaluated to provide assessment of their physical fitness as adolescents. The participants will undergo detailed clinical, physiological, and radiological evaluations that will match the PDCEN Core Clinical Evaluation, which includes administration of health, environmental and occupational exposures, respiratory, and physical fitness questionnaires, pulmonary function testing (PFT), forced oscillometry (FOT), cardiopulmonary exercise testing (CPET) with maximum effort, dynamic hyperinflation, and exercise-induced bronchospasm protocols, methacholine challenge testing, transthoracic echocardiography, and computer tomography (CT) of chest, as well as pulmonary and systemic biomarker analysis including fractional exhalation of nitric oxide (FeNO) and peripheral blood sampling for blood count and metabolic panel including liver and kidney function.

Being tested
Healthy control
Keywords
Cardiopulmonary function, Pulmonary function testing, Forced oscillometry testing, Echocardiography, Cardiopulmonary exercise testing, Computed tomography imaging
Medical subject headings
Dyspnea

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Healthy controlOther

    Observational study with no intervention

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Pulmonary Function Testing: The purpose of this test is to determine the participant's lungs' capacity.

    Measured: 2 years

  2. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Cardiopulmonary Exercise Testing: The purpose of this test is to determine the participant's lung and heart capacity during maximum exercise.

    Measured: 2 years

  3. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Echocardiogram: The purpose of this test is to determine how well the subject's heart is functioning and identify causes of cardiac-related symptoms.

    Measured: 2 years

Secondary outcomes (5)
  1. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    FeNO: The purpose of this test is to measure a marker of inflammation in the lungs.

    Measured: 2 years

  2. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Forced Oscillation Technique: The purpose of this test is to determine the resistance of the airways in the subject's lungs.

    Measured: 2 years

  3. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Methacholine Challenge Test: The purpose of this test is to determine how irritable the participant's airways are by administering gradually increasing doses of methacholine.

    Measured: 2 years

  4. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Chest CT: The purpose of this test is to examine for abnormalities and to help diagnose the cause of signs or symptoms of chest disease.

    Measured: 2 years

  5. Normal reference values for heart and lung function within the age range relevant to the United States Veteran population.

    Peripheral Blood Draw: The purpose of this blood draw is to determine metabolic and blood inflammatory markers.

    Measured: 2 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jun 2026
  2. Study start1 Aug 2024
  3. Primary completion31 Dec 2030 (estimated)
  4. Study completion31 Dec 2030 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Cross-sectional
Enrolment
200 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07641413
Sponsor's protocol ID
UCSF IRB#24-41051
Status last verified
Sep 2026
First submitted
1 Jun 2026
Last updated
14 Sep 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Zeng S, Nishihama M, Weldemichael L, Lozier H, Gold WM, Arjomandi M. Effect of twice daily inhaled albuterol on cardiopulmonary exercise outcomes, dynamic hyperinflation, and symptoms in secondhand tobacco-exposed persons with preserved spirometry and air trapping: a randomized controlled trial. BMC Pulm Med. 2024 Jan 20;24(1):44. doi: 10.1186/s12890-023-02808-7.

    PubMed 38245665
  • Zeng S, Dunn M, Gold WM, Kizer JR, Arjomandi M. Remote exposure to secondhand tobacco smoke is associated with lower exercise capacity through effects on oxygen pulse, a proxy of cardiac stroke volume. BMJ Open Respir Res. 2022 May;9(1):e001217. doi: 10.1136/bmjresp-2022-001217.

    PubMed 35551073

Questions about this trial

What is this clinical trial studying?

An observational study of Pollution Related Respiratory Disorder and Pollution; Exposure, run by University of California, San Francisco at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 17 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 14 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Mehrdad Arjomandi, MD (415-221-4810 ext. 24393, mehrdad.arjomandi@ucsf.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Normal reference values for heart and lung function within the age range relevant to the United States Veteran population. (time frame: 2 years). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07641413, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Sep 2026.

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