A Registry for Patients With Multifocal Ground Glass Opacities (GGOs)
Public ClinicalTrials.gov record NCT03802981. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Thoracic Surgery Oncology Group (TSOG) Protocol: Registry Trial of Active Surveillance for Multifocal Ground Glass Opacities (GGOs)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this registry study is to actively monitor people with GGOs and collect information about them, so that investigators can learn more about these lesions and about the risk of developing lung cancer in study participants whose GGOs are being monitored in the active surveillance program.
Study identification
- NCT ID
- NCT03802981
- Recruitment status
- Active, not recruiting
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 338 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 19 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 9, 2019 (Actual)
- Primary completion
- Jan 2027 (Estimated)
- Completion
- Jan 2027 (Estimated)
- Last update posted
- Oct 23, 2026
2019 – 2027
United States locations
- U.S. sites
- 29
- U.S. states
- 12
- U.S. cities
- 21
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California San Diego | San Diego | California | 92103 | — |
| Stanford University Medical Center (Data collection only) | Stanford | California | 94305-5408 | — |
| Hartford Healthcare | Hartford | Connecticut | 06102 | — |
| Rush University Medical Center (Data collection only) | Chicago | Illinois | 606012 | — |
| Massachusetts General Hospital Cancer Center | Boston | Massachusetts | 02114 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| University of Michigan | Ann Arbor | Michigan | 48109 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| George Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
| Memorial Sloan Kettering Basking Ridge | Basking Ridge | New Jersey | 07920 | — |
| Memorial Sloan Kettering Monmouth | Middletown | New Jersey | 07748 | — |
| Memorial Sloan Kettering Bergen | Montvale | New Jersey | 07645 | — |
| Roswell Park Cancer Institute (Data Collection Only) | Buffalo | New York | 14263-0001 | — |
| Memorial Sloan Kettering Commack | Commack | New York | 11725 | — |
| Memorial Sloan Kettering Westchester | Harrison | New York | 10604 | — |
| Memorial Sloan Kettering Cancer Center | New York | New York | 10065 | — |
| New York Presbyterian Hospital | New York | New York | 10065 | — |
| Memorial Sloan Kettering Nassau | Uniondale | New York | 11553 | — |
| Duke University Medical Center | Durham | North Carolina | 27701 | — |
| Lehigh Valley Health Network | Allentown | Pennsylvania | 18103 | — |
| University of Pennsylvania (Data Collection Only) | Philadelphia | Pennsylvania | 19104 | — |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | — |
| Fox Chase Cancer Center | Philadelphia | Pennsylvania | 19111 | — |
| Temple University | Philadelphia | Pennsylvania | 19140 | — |
| Allegheny Health Network | Pittsburgh | Pennsylvania | 15212 | — |
| University of Pittsburgh Medical Center | Pittsburgh | Pennsylvania | 15213 | — |
| MD Anderson Cancer Center | Houston | Texas | 77030-4009 | — |
| Baylor University Medical Center | Houston | Texas | 77030 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 3 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03802981, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 23, 2026 · Synced Nov 1, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03802981 live on ClinicalTrials.gov.