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NCT02623712Completed

The Watch the Spot Trial

The Watch the Spot Trial: A Pragmatic Trial of More Versus Less Intensive Strategies for Active Surveillance of Patients With Small Pulmonary Nodules

Source: ClinicalTrials.gov · Last updated 14 Aug 2025

Brief summary (registry, in English)

This study will compare two clinically accepted protocols for surveillance imaging in individuals who are found to have a small pulmonary nodule on chest computed tomography (CT) scans.

Status (registry)
Completed
Study type
Interventional
Enrollment
34686 (actual)
First submitted
1 Dec 2015
Start date
6 Mar 2017
Primary completion date
4 Sept 2024
Lead sponsor
Kaiser Permanente
Diseases
Lung cancer
NCT number
NCT02623712

What you commit to

  • Study type: Interventional
  • Participants enrolled: 34686
  • From 6 Mar 2017 to the primary completion date, 4 Sept 2024
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other illness

  • Known diagnosis of cancer (except non-melanoma skin cancer) within 5 years

Age

  • Age \<35 years

Other

  • Pregnant Women

Who the study is looking for

  • The target population includes adults with small lung nodules that may represent a new diagnosis of lung cancer, who typically would be managed by CT surveillance in usual clinical practice. Thus, we will enroll all patients:
  • aged ≥35 years
  • at least one nodule measuring ≤15 mm in average diameter on chest CT.

Age in the registry: 35 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Kaiser Permanente Southern California
Coordinator of this site? Confirm its status		PasadenaUnited StatesUnknown status

Related publications

This page is information, not medical advice. Discuss any trial with your doctor.