Vaped Phenanthrene for Ex-Smokers

SP
NJ
Overseen ByNya Jock
Age: 18+
Sex: Any
Trial Phase: Academic
Sponsor: University of Minnesota
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial examines how former smokers’ lungs process phenanthrene, a chemical linked to cancer risk. By determining if former smokers break down this chemical more harmfully than those who never smoked, researchers aim to find better ways to prevent or treat lung cancer. Participants will vape a version of phenanthrene (D10-phenanthrene) to assess how their lungs handle cancer-causing substances. The trial suits former daily cigarette smokers who quit 1 to 20 years ago, have tried vaping, and are in good physical and mental health. As an unphased trial, this study offers participants the chance to contribute to groundbreaking research that could lead to new preventive strategies for lung cancer.

Do I need to stop my current medications for the trial?

The trial information does not specify whether you need to stop taking your current medications. It's best to discuss this with the trial coordinators or your doctor.

What prior data suggests that vaping D10-phenanthrene is safe for former smokers and non-smokers?

Research shows that D10-phenanthrene can irritate the skin or eyes upon contact and may irritate the lungs if inhaled. However, using it in small, controlled amounts, as in this study, has not been associated with any serious effects. Safety sheets indicate that it can expose individuals to chemicals that might cause cancer according to California regulations. While this may sound concerning, it's important to note that in this study, D10-phenanthrene is used to understand how certain chemicals break down in the lungs, not as a treatment. For any safety concerns, consult the study team or a healthcare provider.12345

Why are researchers excited about this trial?

Unlike traditional treatments for managing exposure to cancer-causing chemicals, which often involve quitting smoking or using medications to help detoxify the body, D10-phenanthrene offers a unique approach. Researchers are excited about D10-phenanthrene because it allows them to study how the lungs of former smokers and non-smokers break down harmful polycyclic aromatic hydrocarbons (PAHs) when inhaled through vaping. This could provide new insights into the body's ability to process these dangerous compounds, potentially leading to innovative strategies for reducing cancer risk in ex-smokers.

What evidence suggests that this method is effective for studying lung cancer risk in ex-smokers?

Research has shown that certain chemicals in cigarette smoke, known as polycyclic aromatic hydrocarbons (PAHs), likely cause lung cancer. The body must activate these chemicals for them to become harmful. Studies have found that smoking increases the activation of these harmful chemicals in the lungs. Even after quitting, former smokers might still process these chemicals in harmful ways. In this trial, participants will vape D10-phenanthrene to track how the body processes these chemicals. This understanding could lead to better prevention or treatment of lung cancer in former smokers.678910

Who Is on the Research Team?

SH

Stephen Hecht

Principal Investigator

University of Minnesota

Are You a Good Fit for This Trial?

This trial is for former smokers who have quit smoking but may still be at risk of lung cancer. It aims to understand how their lungs process certain chemicals compared to those who never smoked. Participants must meet specific criteria not detailed here.

Inclusion Criteria

In good physical & mental health
In stable physical & mental health
I am over 21 years old.
See 3 more

Exclusion Criteria

I have a respiratory condition like asthma or COPD.
I have or had high blood pressure.
I have or had liver disease.
See 3 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Vaping Phenanthrene

Participants vape D10-phenanthrene to study lung breakdown of PAHs

1 day
1 visit (in-person)

Follow-up

Participants are monitored for safety and effectiveness after vaping

24 hours
1 visit (in-person)

What Are the Treatments Tested in This Trial?

Interventions

  • D10-phenanthrene
Trial Overview The study uses D10-phenanthrene as a marker to investigate if ex-smokers metabolize substances in their lungs through more harmful pathways than people who have never smoked, potentially increasing lung cancer risk.
How Is the Trial Designed?
1Treatment groups
Experimental Treatment
Group I: D10-phenanthreneExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of Minnesota

Lead Sponsor

Trials
1,459
Recruited
1,623,000+

Citations

Metabolism of [D10]Phenanthrene to Tetraols in Smokers ...Polycyclic aromatic hydrocarbons (PAHs) are believed to be among the causative agents for lung cancer in smokers. PAHs require metabolic activation for ...
Cigarette smoking enhances the metabolic activation of ...This study demonstrates for the first time that induction of CYP1 enzymes by cigarette smoking significantly enhances the bioactivation of PAH in humans.
quantitation of the metabolic activation of phenanthrenePolycyclic aromatic hydrocarbons (PAHs) in cigarette smoke are among the most likely causes of lung cancer. PAHs require metabolic activation to initiate ...
Urinary Levels of Cigarette Smoke Constituent Metabolites ...Metabolites of polycyclic aromatic hydrocarbon from cigarette smoke that appear in urine are independently associated with lung cancer risk, ...
Polycyclic Aromatic Hydrocarbons Induced by Smoking ...The aim of this study was to correlate tobacco use and exposure to air pollution with oxidative stress markers useful in clinical practice in patients with ...
SAFETY DATA SHEETWARNING: This product can expose you to chemicals including Phenanthrene-D10, which is/are known to the State of California to cause cancer.
SAFETY DATA SHEETTWA 8 hours: 353 mg/m³. Phenanthrene-D10. NAOSH (Ireland, 4/2024) ... 12.7 Other adverse effects. No known significant effects or critical ...
PHENANTHRENE (D10, 98%) 200 UG/ML IN ISOOCTANESymptoms/effects after inhalation. : May be fatal if swallowed and enters airways. Symptoms/effects after skin contact. : Causes skin irritation. Symptoms/ ...
Phenanthrene-d10Inhalation. May be harmful if inhaled. Causes respiratory tract irritation. Skin. Harmful if absorbed through skin. Causes skin irritation. Eyes. Causes eye ...
Safety Data SheetInformation on toxicological effects · Acute toxicity: · Primary irritant effect: · on the skin: Irritant to skin and mucous membranes. on the ...
Unbiased ResultsWe believe in providing patients with all the options.
Your Data Stays Your DataWe only share your information with the clinical trials you're trying to access.
Verified Trials OnlyAll of our trials are run by licensed doctors, researchers, and healthcare companies.
Terms of Service·Privacy Policy·Cookies·Security