Breath TestsNCT01437033
Breath Test for Chemicals (Volatile Organic Compounds)
An observational study of Breath Tests and Human Volunteers, run by National Cancer Institute (NCI) at 1 site in United States.
Trial summary
Background: Some types of cancer, like cancer of the esophagus, are difficult to detect at an early stage. A possible detection method involves collecting breath samples to look for chemicals that may be signs of cancer. Read more about this study
- Who is it for?
- Ages 30 to 60 years
- Conditions the study is for
- Breath Tests, Human Volunteers, Pilot Study
- How many people
- 5 participants
- Where
- 1 siteUnited States
- Study dates
- 29 Aug 2011to 23 Sep 2016
- Phase
- Observational
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 30 to 60 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- DCEG volunteers aged 30-60 years, inclusive.
Who cannot join
- Aged less than 30 years. Aged 61 years or older. Individuals who identify themselves to be in any one of the following categories over the next 4 month period:
- Plan to initial a large change in their daily amount of physical activity
- Plan to make large changes to their diet (reduce caloric intake, become a vegetarian etc)
- May possibly move away from the area for a new job, sabbatical, retirement etc
- Plan to attempt to become pregnant
- Have limited availability for any reason including prolonged vacation or business travel
Trial locations and contacts
1 site in 1 country.
United States1 site
National Cancer Institute (NCI), 9000 Rockville Pike
Bethesda, Maryland, 20892
About this study
Official title: A Pilot Study of a Breath Test for Assessment of Volatile Organic Compounds
Background:
- Some types of cancer, like cancer of the esophagus, are difficult to detect at an early stage. A possible detection method involves collecting breath samples to look for chemicals that may be signs of cancer. However, more research is needed to determine how different chemicals appear in different breath samples. This study will involve healthy volunteers.
Objectives:
- To study chemicals appearing in breath samples of healthy volunteers.
Eligibility:
- Healthy volunteers between 30 and 60 years of age.
Design:
- Participants will fast overnight (midnight to morning) and then provide two breath samples taken 5 minutes apart.
- Breath samples will be collected on days 1, 49, and 98 of the study
Read the detailed description
Background:
Although breath tests are common for specific uses where the biomarker is highly concentrated (e .g. alcohol, urea for Helicobacter prylori infection), lower concentration compounds in the breath can also provide information on exogenous exposures and endogenous metabolic processes.
Employing standardized collection techniques and high sensitivity measurement technologies have shown that breath profiles can accurately identify people with diseases such as breast cancer and lung cancer.
Breath profiling technologies have great potential as non-invasive tools for diagnosis and risk stratification of precancerous disease as well as elucidation of the causes of cancer.
Prior to using breath profiles for these purposes it is essential to assess how much of the breath profile and which parts of the breath profile are relatively stable over a period of time.
Objectives:
The primary objective of this pilot study is to assess the intra-individual variability of breath profiles sampled over a period of 98 days.
Eligibility:
DCEG volunteers aged 30-60 years, inclusive.
Design:
Pilot study.
Five DCEG volunteers will be enrolled for this study.
We will assess breath profiles sampled in duplicate at three time periods (days 1, 49 and 98).
We will calculate a coefficients of variation (CV) to determine the proportion and parts of the breath profile which have values less than 10% when collected on the same day,49 days apart, and 98 days apart.
- Conditions
- Breath Tests, Human Volunteers, Pilot Study
- Keywords
- Breath Tests, Human Volunteers, Pilot Study, Breath Test
What is being measured
The primary outcome is the main question the study is designed to answer.
Statistics of robustness (CV, ICCs)
Measured: 98 days
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted20 Sep 2011 (estimated)
- Study start29 Aug 2011
- Study completion23 Sep 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Breath TestsStudies of the same condition, open and under way.
- More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Other
- Time perspective
- Prospective
- Enrolment
- 5 participants (actual)
Sponsor and investigators
- Lead sponsor
- National Cancer Institute (NCI)
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Michael B Cook, M.D., Principal investigator, National Cancer Institute (NCI)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01437033
- Sponsor's protocol ID
- 999911243
- Other IDs
- 11-C-N243
- Status last verified
- 23 Sep 2016
- First submitted
- 16 Sep 2011
- Last updated
- 5 Apr 2018
- Results posted
- No
Publications
Cook MB, Dawsey SM, Diaw L, Blaser MJ, Perez-Perez GI, Abnet CC, Taylor PR, Albanes D, Virtamo J, Kamangar F. Serum pepsinogens and Helicobacter pylori in relation to the risk of esophageal squamous cell carcinoma in the alpha-tocopherol, beta-carotene cancer prevention study. Cancer Epidemiol Biomarkers Prev. 2010 Aug;19(8):1966-75. doi: 10.1158/1055-9965.EPI-10-0270. Epub 2010 Jul 20.
PubMed 20647397Vizcaino AP, Moreno V, Lambert R, Parkin DM. Time trends incidence of both major histologic types of esophageal carcinomas in selected countries, 1973-1995. Int J Cancer. 2002 Jun 20;99(6):860-8. doi: 10.1002/ijc.10427.
PubMed 12115489Perera FP. Cancer: the big questions to address in coming years. Cancer Epidemiol Biomarkers Prev. 2011 Apr;20(4):571-3. doi: 10.1158/1055-9965.EPI-11-0184. No abstract available.
PubMed 21454418