PDAC - Pancreatic Ductal AdenocarcinomaVAPORNCT05727020
Volatile Organic Compound Assessment in Pancreatic Ductal Adenocarcinoma
An observational study of PDAC - Pancreatic Ductal Adenocarcinoma and Pancreatic Cancer, run by Imperial College London at 1 site in United Kingdom.
Trial summary
Patients with early pancreatic cancer often have symptoms that could also be caused by many common benign conditions, or no symptoms at all. Jaundice, weight loss and pain are 'red flag' symptoms of pancreatic cancer that are linked to incurable disease. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- PDAC - Pancreatic Ductal Adenocarcinoma, Pancreatic Cancer
- What is being tested?
- Breath test and Collection of matched samples of breath, biofluids and pancreatic tissue
- How many people
- 1,005 participants
- Where
- 1 siteUnited Kingdom
- Study dates
- 15 Dec 2022to Aug 2028
- 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 18 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Patients seen in a hospital (secondary or tertiary level care) setting or at an NHS diabetes centre.
Who may be able to join
- Males and females
- Adult patients ≥ 18 years old
- VAPOR 1: patients with either a) Histologically confirmed PDAC*; b) New-onset diabetes mellitus or chronic pancreatitis; or c) Non-specific gastrointestinal symptoms, but a radiologically-normal pancreas
- VAPOR Bioresource: patients undergoing pancreatic resection for a) Histologically confirmed PDAC*; or b) Benign pancreatic disorders e.g. intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis
- Note: Patients undergoing surgery for suspected PDAC (without pre-operative histological confirmation) may be recruited assuming PDAC is confirmed within the resected specimen.
Who cannot join
- Patients who have already received chemotherapy, radiotherapy or surgery for their PDAC
- History of another cancer within the previous five years
- Previous upper gastrointestinal surgery
- Patients who are unable to provide a breath sample
- Pregnant women
- Patients unable to provide informed written consent
- VAPOR 1: Patients with active infection, receiving immunosuppressive medications or antibiotics within the preceding eight weeks
- VAPOR Bioresource: Patients receiving immunosuppressive medications within the preceding eight weeks
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United Kingdom1 site, 1 recruiting
- Recruiting
Imperial College Healthcare NHS Trust
London
Emma Austin, 02075943653, vapor@imperial.ac.uk
About this study
Official title: Volatile Organic Compound Assessment in Pancreatic Ductal Adenocarcinoma (VAPOR 1 / BIORESOURCE)
Patients with early pancreatic cancer often have symptoms that could also be caused by many common benign conditions, or no symptoms at all. Jaundice, weight loss and pain are 'red flag' symptoms of pancreatic cancer that are linked to incurable disease. At the moment only patients with 'red flag' symptoms are urgently referred for diagnostic testing to find out if they have the cancer. As a result, late diagnosis is a common feature of pancreatic cancer. This leads to limited treatment options being available to patients by the time they are diagnosed, and ultimately results in poor survival rates.
There is a clear need to improve earlier detection of pancreatic cancer so that patients with pancreatic cancer can be identified earlier and faster, enabling them to start treatment more quickly.
The study team is developing a non-invasive breath test that detects small molecules called volatile organic compounds (VOCs) that may be altered by pancreatic cancers. For patients with non-specific symptoms, this test would help general practitioners (GPs) to identify those patients that may indeed have an underlying pancreatic cancer, who would benefit from referral for specialised pancreatic cancer tests.
Read the detailed description
Bioresource study to identify pathways responsible for VOC production: A total of 192 patients will be recruited to provide samples to create a pancreatic biobank. This will be comprised of two groups, each containing 96 patients: (i) patients undergoing resection for pancreatic ductal adenocarcinoma (PDAC); (ii) control patients undergoing pancreatic resection for benign pancreatic disorders (e.g. intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis). The following biosamples will be collected from each patient: breath, saliva, blood, urine, pancreatic tissue, duodenal aspirate. Collected samples will be stored in a biobank and will be utilised in a wide range of studies to investigate the mechanisms of VOC production in PDAC. The following analyses will be undertaken: volatolomics, metabonomics / lipidomics, metagenomics / microbiome analysis, transcriptomics, and culture experiments (to establish bacterial, immune and organoid cultures).
VAPOR 1 clinical study: Up to 813 patients will be recruited for the development of this non-invasive PDAC detection model. This will be comprised of three groups: (i) patients with PDAC; (ii) control patients with specified benign pancreatic disorders (new-onset diabetes mellitus, or chronic pancreatitis); (iii) control patients with non-specific gastrointestinal symptoms but a radiologically-normal pancreas. Participants will be required to fast for 6 hours prior to breath sampling. After rinsing their mouth with water, patients will be asked to provide breath samples by exhaling into single-use breath collection bags. Breath will be transferred using a precision pump into thermal desorption (TD) storage tubes. Breath samples will be analysed in accordance with existing quality-controlled processes.
- Being tested
- Breath test, Collection of matched samples of breath, biofluids and pancreatic tissue
- Keywords
- Volatile organic compounds (VOCs), Breath analysis, Volatolomics, Metabonomics / Lipidomics, Transcriptomics, Microbiome Analysis, Organoids, Immune profiling
- Medical subject headings
- Pancreatic Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Breath testDiagnostic test
Patients must be fasted for a minimum of six hours prior to sample collection. For patients undergoing surgery or a procedure (e.g. endoscopy), breath samples must be obtained pre-operatively / prior to the administration of sedation, anaesthetic or other pharmacological agents.
Collection of matched samples of breath, biofluids and pancreatic tissueDiagnostic test
In accordance with routine clinical practices, patients will be fasted for a minimum of six hours prior to surgery. Exhaled breath, saliva, blood and urine will be collected immediately prior to surgery (before induction of general anaesthesia). Pancreatic tissue samples and duodenal aspirate which will be collected upon resection of the pancreatic specimen.
| Study group | Role | What they receive |
|---|---|---|
| VAPOR 1 - PDAC (pancreatic ductal adenocarcinoma) | 304 treatment-naive patients with histologically-confirmed* PDAC will be recruited to provide breath samples.
*Patients that are due to undergo surgery for suspected PDAC (without pre-operative histological confirmation) may still be recruited despite the lack of pre-operative histological confirmation, assuming PDAC is subsequently confirmed within the resected specimen. Receives: Diagnostic Test: Breath test | |
| VAPOR 1 - Control patients with benign pancreatic disorders | 257 patients with new-onset diabetes mellitus or chronic pancreatitis will be recruited to provide breath samples.
New-onset diabetes is defined as: HbA1c≥48mmol/mol (6.5%), diagnosed within the preceding 6 months. Receives: Diagnostic Test: Breath test | |
| VAPOR 1 - Control patients with non-specific GI symptoms and a normal pancreas | 257 patients with non-specific gastrointestinal symptoms but a radiologically-normal pancreas will be recruited to provide breath samples.
Imaging to confirm a normal pancreas (CT / MRI / ultrasound) must have occurred within the preceding 12 months. Receives: Diagnostic Test: Breath test | |
| VAPOR Bioresource - PDAC (pancreatic ductal adenocarcinoma) | 96 treatment-naive patients with histologically-confirmed* PDAC will be recruited to provide samples of breath, saliva, blood, urine, pancreatic tissue and duodenal aspirate.
*Patients that are due to undergo surgery for suspected PDAC (without pre-operative histological confirmation) may still be recruited despite the lack of pre-operative histological confirmation, assuming PDAC is subsequently confirmed within the resected specimen. Receives: Diagnostic Test: Collection of matched samples of breath, biofluids and pancreatic tissue | |
| VAPOR Bioresource - Control patients with benign pancreatic disorders | 96 patients with benign pancreatic disorders (such as intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis) will be recruited to provide samples of breath, saliva, blood, urine, pancreatic tissue and duodenal aspirate. Receives: Diagnostic Test: Collection of matched samples of breath, biofluids and pancreatic tissue |
What is being measured
The primary outcome is the main question the study is designed to answer.
Levels of VOCs present in breath of subjects with PDAC and controls
Gas Chromatography-Mass Spectrometry (GC-MS) will be used to identify the levels (measured in parts per billion, ppb) of certain cancer-associated VOCs in breath
Measured: 24 months
Secondary outcomes (3)
Levels of volatile metabolites present in headspace of the urine of subjects with PDAC and controls
Headspace sampling techniques will be used for headspace collection from urine samples. GC-MS will be used to determine the levels (measured in parts per billion, ppb) of certain cancer-associated VOCs within the headspace of urine.
Measured: 24 months
Characterisation of bacterial species in saliva samples, pancreatic tissue samples and duodenal aspirate samples of subjects with PDAC compared to controls
Bacterial species present will be identified (measured) using sequencing techniques such as 16s or whole genome sequencing.
- Bacteria within the saliva samples will be cultured and species isolated
- Bacteria from pancreatic biopsies will be separated from the tissue, and will be cultured to isolate the bacterial species
- Bacteria derived from duodenal aspirate will be cultured and species isolated
Measured: 24 months
Levels of VOCs produced by the bacteria isolated from saliva samples, pancreatic tissue samples and duodenal aspirate samples of subjects with PDAC
The cancer-associated bacterial species isolated and identified as part of Outcome Measure 3 will then be re-cultured within a controlled environment. Headspace and media sampling will be performed to identify and measure the levels of volatile metabolites (measured in parts per billion, ppb) present using GC-MS and LC-MS (Liquid Chromatography-Mass Spectrometry) techniques.
Measured: 24 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Feb 2023
- Study start15 Dec 2022
- Primary completionAug 2028 (estimated)
- Study completionAug 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for PDAC - Pancreatic Ductal AdenocarcinomaStudies of the same condition, open and under way.
- More trials run by Imperial College LondonThe 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
- Case-control
- Time perspective
- Cross-sectional
- Enrolment
- 1,005 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Imperial College London
- Sponsor type
- University, hospital or other
- Collaborators
- Pancreatic Cancer UK, Imperial College Healthcare NHS Trust, Royal Free Hospital NHS Foundation Trust, Liverpool University Hospitals NHS Foundation Trust, The Leeds Teaching Hospitals NHS Trust, Sheffield Teaching Hospitals NHS Foundation Trust, University Hospital Southampton NHS Foundation Trust, Royal Surrey County Hospital NHS Foundation Trust, University Hospital Birmingham NHS Foundation Trust, Manchester University NHS Foundation Trust, Newcastle-upon-Tyne Hospitals NHS Trust, Swansea Bay University Health Board, Dorset County Hospital NHS Foundation Trust, North Tees and Hartlepool NHS Foundation Trust, University Hospital Plymouth NHS Trust, Barts & The London NHS Trust, Milton Keynes University Hospital NHS Foundation Trust, Buckinghamshire Healthcare NHS Trust, Southern Health
- Responsible party
- Sponsor
- Investigators
- Professor George B Hanna, PhD, FRCS, Principal investigator, Imperial College London
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05727020
- Sponsor's protocol ID
- 22HH7787
- Acronym
- VAPOR
- Status last verified
- May 2026
- First submitted
- 23 Jan 2023
- Last updated
- 18 May 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Walsh CM, Murray J, Laponogov I, Parker A, Ellis JK, Converso V, Austin E, Boshier PR, Czajkowski C, Spalding D, Al-Mukhtar A, Frampton AE, Roberts KJ, Pandanaboyana S, Halloran C, Costello E, Kocher H, Mitra V, Hamady Z, Al-Sarireh B, Pathak S, Mitchell WK, Siriwardena AK, Westlake C, Pereira SP, Spiliotis I, Biswas S, Vapor Collaborators, Spanel P, Veselkov K, Sharples LD, Hanna GB; VAPOR Collaborators. Development and validation of a diagnostic prediction model for pancreatic ductal adenocarcinoma: VAPOR 1, protocol for a prospective multicentre case-control study. BMJ Open. 2025 Aug 27;15(8):e094505. doi: 10.1136/bmjopen-2024-094505.
PubMed 40866056
Study at a glance
From the registry record, last updated by the sponsor on 18 May 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Volatile Organic Compound Assessment in Pancreatic Ductal Adenocarcinoma (VAPOR 1 / BIORESOURCE)
- ClinicalTrials.gov ID
- NCT05727020
- Acronym / sponsor ID
- VAPOR / 22HH7787
- Keywords
- Volatile organic compounds (VOCs), Breath analysis, Volatolomics, Metabonomics / Lipidomics, Transcriptomics, Microbiome Analysis, Organoids, Immune profiling
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 1,005 participants (estimated)
- Lead sponsor
- Imperial College LondonUniversity, hospital or other
- Collaborators
- Pancreatic Cancer UK, Imperial College Healthcare NHS Trust, Royal Free Hospital NHS Foundation Trust, Liverpool University Hospitals NHS Foundation Trust, The Leeds Teaching Hospitals NHS Trust, Sheffield Teaching Hospitals NHS Foundation Trust, University Hospital Southampton NHS Foundation Trust, Royal Surrey County Hospital NHS Foundation Trust, University Hospital Birmingham NHS Foundation Trust, Manchester University NHS Foundation Trust, Newcastle-upon-Tyne Hospitals NHS Trust, Swansea Bay University Health Board, Dorset County Hospital NHS Foundation Trust, North Tees and Hartlepool NHS Foundation Trust, University Hospital Plymouth NHS Trust, Barts & The London NHS Trust, Milton Keynes University Hospital NHS Foundation Trust, Buckinghamshire Healthcare NHS Trust, Southern Health
- Study start
- 15 Dec 2022 (actual)
- Primary completion
- Aug 2028 (estimated)
- Study completion
- Aug 2028 (estimated)
- First posted
- 14 Feb 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Patients with early pancreatic cancer often have symptoms that could also be caused by many common benign conditions, or no symptoms at all. Jaundice, weight loss and pain are 'red flag' symptoms of pancreatic cancer that are linked to incurable disease. At the moment only patients with 'red flag' symptoms are urgently referred for diagnostic testing to find out if they have the cancer. As a result, late diagnosis is a common feature of pancreatic cancer. This leads to limited treatment options being available to patients by the time they are diagnosed, and ultimately results in poor survival rates.
There is a clear need to improve earlier detection of pancreatic cancer so that patients with pancreatic cancer can be identified earlier and faster, enabling them to start treatment more quickly.
The study team is developing a non-invasive breath test that detects small molecules called volatile organic compounds (VOCs) that may be altered by pancreatic cancers. For patients with non-specific symptoms, this test would help general practitioners (GPs) to identify those patients that may indeed have an underlying pancreatic cancer, who would benefit from referral for specialised pancreatic cancer tests.
Detailed description
Bioresource study to identify pathways responsible for VOC production: A total of 192 patients will be recruited to provide samples to create a pancreatic biobank. This will be comprised of two groups, each containing 96 patients: (i) patients undergoing resection for pancreatic ductal adenocarcinoma (PDAC); (ii) control patients undergoing pancreatic resection for benign pancreatic disorders (e.g. intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis). The following biosamples will be collected from each patient: breath, saliva, blood, urine, pancreatic tissue, duodenal aspirate. Collected samples will be stored in a biobank and will be utilised in a wide range of studies to investigate the mechanisms of VOC production in PDAC. The following analyses will be undertaken: volatolomics, metabonomics / lipidomics, metagenomics / microbiome analysis, transcriptomics, and culture experiments (to establish bacterial, immune and organoid cultures).
VAPOR 1 clinical study: Up to 813 patients will be recruited for the development of this non-invasive PDAC detection model. This will be comprised of three groups: (i) patients with PDAC; (ii) control patients with specified benign pancreatic disorders (new-onset diabetes mellitus, or chronic pancreatitis); (iii) control patients with non-specific gastrointestinal symptoms but a radiologically-normal pancreas. Participants will be required to fast for 6 hours prior to breath sampling. After rinsing their mouth with water, patients will be asked to provide breath samples by exhaling into single-use breath collection bags. Breath will be transferred using a precision pump into thermal desorption (TD) storage tubes. Breath samples will be analysed in accordance with existing quality-controlled processes.
Study design
- Observational model
- Case-control
- Time perspective
- Cross-sectional
- Number of arms
- 5
| Arm | Type | Receives |
|---|---|---|
| VAPOR 1 - PDAC (pancreatic ductal adenocarcinoma) | – | Diagnostic Test: Breath test304 treatment-naive patients with histologically-confirmed* PDAC will be recruited to provide breath samples. *Patients that are due to undergo surgery for suspected PDAC (without pre-operative histological confirmation) may still be recruited despite the lack of pre-operative histological confirmation, assuming PDAC is subsequently confirmed within the resected specimen. |
| VAPOR 1 - Control patients with benign pancreatic disorders | – | Diagnostic Test: Breath test257 patients with new-onset diabetes mellitus or chronic pancreatitis will be recruited to provide breath samples. New-onset diabetes is defined as: HbA1c≥48mmol/mol (6.5%), diagnosed within the preceding 6 months. |
| VAPOR 1 - Control patients with non-specific GI symptoms and a normal pancreas | – | Diagnostic Test: Breath test257 patients with non-specific gastrointestinal symptoms but a radiologically-normal pancreas will be recruited to provide breath samples. Imaging to confirm a normal pancreas (CT / MRI / ultrasound) must have occurred within the preceding 12 months. |
| VAPOR Bioresource - PDAC (pancreatic ductal adenocarcinoma) | – | Diagnostic Test: Collection of matched samples of breath, biofluids and pancreatic tissue96 treatment-naive patients with histologically-confirmed* PDAC will be recruited to provide samples of breath, saliva, blood, urine, pancreatic tissue and duodenal aspirate. *Patients that are due to undergo surgery for suspected PDAC (without pre-operative histological confirmation) may still be recruited despite the lack of pre-operative histological confirmation, assuming PDAC is subsequently confirmed within the resected specimen. |
| VAPOR Bioresource - Control patients with benign pancreatic disorders | – | Diagnostic Test: Collection of matched samples of breath, biofluids and pancreatic tissue96 patients with benign pancreatic disorders (such as intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis) will be recruited to provide samples of breath, saliva, blood, urine, pancreatic tissue and duodenal aspirate. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Patients seen in a hospital (secondary or tertiary level care) setting or at an NHS diabetes centre.
Key inclusion criteria (5 listed)
- Males and females
- Adult patients ≥ 18 years old
- VAPOR 1: patients with either a) Histologically confirmed PDAC*; b) New-onset diabetes mellitus or chronic pancreatitis; or c) Non-specific gastrointestinal symptoms, but a radiologically-normal pancreas
- VAPOR Bioresource: patients undergoing pancreatic resection for a) Histologically confirmed PDAC*; or b) Benign pancreatic disorders e.g. intraductal papillary mucinous neoplasms, pancreatic mucinous cystic neoplasms, chronic pancreatitis
- Note: Patients undergoing surgery for suspected PDAC (without pre-operative histological confirmation) may be recruited assuming PDAC is confirmed within the resected specimen.
Key exclusion criteria (8 listed)
- Patients who have already received chemotherapy, radiotherapy or surgery for their PDAC
- History of another cancer within the previous five years
- Previous upper gastrointestinal surgery
- Patients who are unable to provide a breath sample
- Pregnant women
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Breath testPatients must be fasted for a minimum of six hours prior to sample collection. For patients undergoing surgery or a procedure (e.g. endoscopy), breath samples must be obtained pre-operatively / prior to the administration of sedation, anaesthetic or other pharmacological agents. | Diagnostic test | VAPOR 1 - Control patients with benign pancreatic disorders, VAPOR 1 - Control patients with non-specific GI symptoms and a normal pancreas, VAPOR 1 - PDAC (pancreatic ductal adenocarcinoma) |
| Collection of matched samples of breath, biofluids and pancreatic tissueIn accordance with routine clinical practices, patients will be fasted for a minimum of six hours prior to surgery. Exhaled breath, saliva, blood and urine will be collected immediately prior to surgery (before induction of general anaesthesia). Pancreatic tissue samples and duodenal aspirate which will be collected upon resection of the pancreatic specimen. | Diagnostic test | VAPOR Bioresource - Control patients with benign pancreatic disorders, VAPOR Bioresource - PDAC (pancreatic ductal adenocarcinoma) |
Primary outcome
Levels of VOCs present in breath of subjects with PDAC and controls
Time frame: 24 months
Gas Chromatography-Mass Spectrometry (GC-MS) will be used to identify the levels (measured in parts per billion, ppb) of certain cancer-associated VOCs in breath
3 secondary outcomes
Levels of volatile metabolites present in headspace of the urine of subjects with PDAC and controls
Time frame: 24 months
Characterisation of bacterial species in saliva samples, pancreatic tissue samples and duodenal aspirate samples of subjects with PDAC compared to controls
Time frame: 24 months
Levels of VOCs produced by the bacteria isolated from saliva samples, pancreatic tissue samples and duodenal aspirate samples of subjects with PDAC
Time frame: 24 months
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 May 2026.
- Derived from this study: PubMed 40866056Walsh CM, Murray J, Laponogov I, Parker A, Ellis JK, Converso V, Austin E, Boshier PR, Czajkowski C, Spalding D, Al-Mukhtar A, Frampton AE, Roberts KJ, Pandanaboyana S, Halloran C, Costello E, Kocher H, Mitra V, Hamady Z, Al-Sarireh B, Pathak S, Mitchell WK, Siriwardena AK, Westlake C, Pereira SP, Spiliotis I, Biswas S, Vapor Collaborators, Spanel P, Veselkov K, Sharples LD, Hanna GB; VAPOR Collaborators. Development and validation of a diagnostic prediction model for pancreatic ductal adenocarcinoma: VAPOR 1, protocol for a prospective multicentre case-control study. BMJ Open. 2025 Aug 27;15(8):e094505. doi: 10.1136/bmjopen-2024-094505.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Professor George B Hanna, PhD, FRCS principal investigator
Imperial College London
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of PDAC - Pancreatic Ductal Adenocarcinoma and Pancreatic Cancer, run by Imperial College London at 1 site in United Kingdom.
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 5 inclusion and 8 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 18 May 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 Kingdom. 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 Miss Caoimhe M Walsh, MBBS, MRCS (+44 (0)20 7594 3653, vapor@imperial.ac.uk), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Levels of VOCs present in breath of subjects with PDAC and controls (time frame: 24 months). 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 NCT05727020, which also lists 1 linked publication.
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 18 May 2026.