Clinical study of 13N-NH3 PET/CT imaging in diagnosis of pulmonary nodules

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200055626

Enrollment

Unknown

Registered

2022-01-15

Start date

2020-07-01

Completion date

Unknown

Last updated

2023-02-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pulmonary nodule

Interventions

Gold Standard:Surgical or biopsy pathological diagnosis and follow-up results

Index test:13N-NH3&#32

PET/CT&#32

imaging&#32

(SUV

SUVmax

SUVmean

SUVmin)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. 18F-FDG PET/CT examination is clinically required, and CT shows pulmonary nodules within 2 weeks before the examination; 2. The CT diagnosis of pulmonary nodules is suspicious of malignancy or its nature is to be determined; 3. Voluntarily participate in the prospective study and sign the informed consent; 4. There was no treatment for pulmonary nodules before operation.

Exclusion criteria

Exclusion criteria: 1. Younger than 18 years old; 2. Pregnant patients; 3. Nodules larger than 30 mm; 4. Lymph node metastasis or distant metastasis.

Design outcomes

Primary

Measure	Time frame
Standard uptake value;Standard uptake value max;Standard uptake value mean;Standard uptake value minimum;sensitivity, specificity, accuracy, positive predictive value, negative predictive value;	—

Countries

China

Contacts

Public ContactXiangsong Zhang

The First Affiliated Hospital of Sun Yat-sen University

zhxiangs@mail.sysu.edu.cn+86 18902233613

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026