Singapore study aims to catch lung cancer earlier with CT scans and blood tests
NCT ID NCT05724264
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether combining low-dose CT scans with blood-based biomarker tests can improve lung cancer screening in high-risk people. It will enroll 1,000 participants in Singapore, including both smokers and non-smokers. The goal is to see if this approach is practical and accurate for detecting lung cancer early.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Low-dose CT scan and blood biomarker tests
- What this could lead to
- If successful, this could lead to better, more personalized lung cancer screening guidelines for both smokers and non-smokers in Singapore.
- What could go wrong
- This is an early feasibility study, not a treatment trial. It may not prove that screening improves survival, and false positives could cause unnecessary worry or procedures.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2022
- Expected to finish
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Dec 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Smoker: * Participant is willing and able to give informed consent for participation in the study * Male or female, aged 50-80 years of age * No prior history of cancer, or cancer free in the last 5 years and not currently on cancer treatment * ECOG 0/1 * Current or former smokers with at least 30 pack years of smoking history * Willing to comply with study follow-up schedule and tests * Willing to cover the costs of downstream standard of care management and investigations including doctor's fee, CT scan and biopsy etc. * A Singapore citizen/Permanent Resident of Singapore Non-Smoker: * Participant is willing and able to give informed consent for participation in the study * Male, or female, aged 50-80 years of age * No prior history of cancer, or cancer free in the last 5 years and not currently on cancer treatment * ECOG 0/1 * Never smoker, or has smoked less than 10 pack-years and has quit smoking for at least 15 years * Family history of lung cancer up to 2nd degree relatives * Willing to comply with study follow-up schedule and tests * Willing to cover the costs of downstream standard of care management and investigations including doctor's fee, CT scan and biopsy etc. * A Singapore citizen/Permanent Resident of Singapore Exclusion Criteria: * Uncontrolled medical comorbidity on enrolment * Previous diagnosis of cancer * Bleeding diathesis that will preclude blood sampling * Fear of blood draw or needles * Pregnancy
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
5 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Changi General Hospital, Singapore
RECRUITINGSingapore, 529889, Singapore
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National Cancer Centre, Singapore
RECRUITINGSingapore, 168583, Singapore
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National Heart Centre Singapore
ACTIVE_NOT_RECRUITINGSingapore, 169609, Singapore
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Sengkang General Hospital, Singapore
RECRUITINGSingapore, 544886, Singapore
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Singapore General Hospital
RECRUITINGSingapore, 169608, Singapore
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Tan Tock Seng Hospital, Singapore
RECRUITINGSingapore, 308433, Singapore
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