Added Value of PET/CT in Lung Cancer

NCT ID: NCT06494800

Last Updated: 2024-07-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-07-15

Study Completion Date

2025-12-01

Brief Summary

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Assess the value of PET/CT in the diagnosis, staging, response evaluation, and relapse monitoring of lung cancer.

Detailed Description

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Lung cancer is a leading cause of cancer-related mortality worldwide, accounted for 1.80 million deaths in 2020.(1)Egyptian statistics showed that lung cancer in men represents 8.2% of among all cancers of men according to the Egyptian National Cancer Program in 2014 (3).Epidemiological data indicate that the main risk factor for the development of lung cancer is cigarette smoking.(4)Lung cancer is histologically divided into: Non-small-cell lung cancer (NSCLC), which accounts for 85% of cases and Small cell lung cancer (SCLC).(5)Due to absence of screening, most patients with lung cancer are not diagnosed until later stages, when the prognosis is poor.(6)Radiologic manifestations of bronchogenic carcinoma include obstructive pneumonitis or atelectasis, lung nodule or mass, apical mass, cavitated mass, or nodule or mass associated with lymphadenopathy(6)Conventional chest radiography, computed tomography (CT), magnetic resonance imaging, radionuclide scintigraphy, and positron emission tomography (PET) all have been used for NSCLC staging.(7)PET/CT is a well-established radiological modality with high diagnostic accuracy in metastases detection compared to usual CT. Also, it has been reported that up to 10% of patients with bronchogenic carcinoma are found to have metastases on PET/CT that were not detected on CT with subsequent different patients' staging. The high accuracy of PET/CT in tumor staging makes it important for the treatment strategy of either surgical treatment, radiotherapy, or chemotherapy. Also, it becomes essential during the follow-up to detect recurrence. PET/CT shows a higher ability to evaluate the early response to the treatment as chemotherapy by its ability to detect the metabolic response even before the size change.(8)The prognosis of lung tumors depends on early and accurate staging as well as the histopathological type of the primary tumor, with the squamous cell carcinoma type regarded to be of a worse prognosis than that of adenocarcinoma.(9)

Conditions

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Lung Cancer

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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pathologically proved lung cancer patient

All the pathologically proved lung cancer patients by true cut needle biobsy are enrolled in the study.

the true cute needle biobsy procedure performed by two interventional radiologists and a pathologist. TCNB was guided by the use of a 16-detector CT device after local anesthesia is done and done either by ultrasound guidance or CT guidance.

True cut needle biobsy

Intervention Type DIAGNOSTIC_TEST

The biobsy procedure done at the radiology department and the cores are examined by the pathology department, the patient lie prone, supine or in lateral decubitus according to the location of the lesion. A thoracic CT scan was performed first to evaluate the needle pathway and distance from the puncture site to the lesion. The needle pathway was selected to avoid bone, visible vessels, bullae, and fissures. The puncture site was chosen by the CT gantry laser lights and landmarks using a homemade radiopaque grid on the patient's skin. Local anaesthesia was induced with 5 mL of 2% lidocaine. An 18-G coaxial needle was used to puncture the lung, and a repeat CT scan was performed to evaluate the site of the needle. When the needle tip reached the lesion, the specimen was obtained by pressing the trigger of the needle. The specimen was reviewed by the pathologist.The specimen was placed in 10% formaldehyde for pathological examination.

Interventions

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True cut needle biobsy

The biobsy procedure done at the radiology department and the cores are examined by the pathology department, the patient lie prone, supine or in lateral decubitus according to the location of the lesion. A thoracic CT scan was performed first to evaluate the needle pathway and distance from the puncture site to the lesion. The needle pathway was selected to avoid bone, visible vessels, bullae, and fissures. The puncture site was chosen by the CT gantry laser lights and landmarks using a homemade radiopaque grid on the patient's skin. Local anaesthesia was induced with 5 mL of 2% lidocaine. An 18-G coaxial needle was used to puncture the lung, and a repeat CT scan was performed to evaluate the site of the needle. When the needle tip reached the lesion, the specimen was obtained by pressing the trigger of the needle. The specimen was reviewed by the pathologist.The specimen was placed in 10% formaldehyde for pathological examination.

Intervention Type DIAGNOSTIC_TEST

Other Intervention Names

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TCNB

Eligibility Criteria

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Inclusion Criteria

* Pathologically proven lung cancer patients.

Exclusion Criteria

* Patients with second malignancy.
* Severely ill patient (patient with disturbed consciousness level, or couldn't lie during the imaging).
* Uncontrolled diabetic patient with blood glucose level more than 200mg\\dl.
* Pregnant women.
* Patient age \<18 years.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Sohag University

OTHER

Sponsor Role lead

Responsible Party

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Mennatallah Ahmed Ragheb

resident, nuclear and oncology medicine department, Sohag university

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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mai sayed khalifa, MD

Role: PRINCIPAL_INVESTIGATOR

lecturer

doaa ibrahim mohamed, MD

Role: PRINCIPAL_INVESTIGATOR

lecturer

Central Contacts

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mennatallah ahmed raghib, M.B.B.Ch

Role: CONTACT

01115499811

wafaa abdelhamid elsayed, MD

Role: CONTACT

01113111278

References

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Archer JM, Truong MT, Shroff GS, Godoy MCB, Marom EM. Imaging of Lung Cancer Staging. Semin Respir Crit Care Med. 2022 Dec;43(6):862-873. doi: 10.1055/s-0042-1753476. Epub 2022 Jul 10.

Reference Type BACKGROUND
PMID: 35815631 (View on PubMed)

Laguna JC, Garcia-Pardo M, Alessi J, Barrios C, Singh N, Al-Shamsi HO, Loong H, Ferriol M, Recondo G, Mezquita L. Geographic differences in lung cancer: focus on carcinogens, genetic predisposition, and molecular epidemiology. Ther Adv Med Oncol. 2024 Mar 6;16:17588359241231260. doi: 10.1177/17588359241231260. eCollection 2024.

Reference Type BACKGROUND
PMID: 38455708 (View on PubMed)

Panunzio A, Sartori P. Lung Cancer and Radiological Imaging. Curr Radiopharm. 2020;13(3):238-242. doi: 10.2174/1874471013666200523161849.

Reference Type BACKGROUND
PMID: 32445458 (View on PubMed)

Kandathil A, Subramaniam RM. FDG PET/CT for Primary Staging of Lung Cancer and Mesothelioma. Semin Nucl Med. 2022 Nov;52(6):650-661. doi: 10.1053/j.semnuclmed.2022.04.011. Epub 2022 Jun 20.

Reference Type BACKGROUND
PMID: 35738910 (View on PubMed)

Related Links

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https://doi.org/10.4103/epj.epj_49_18

Contrast computed tomography versus PET/CT in the assessment of bronchogenic carcinoma

https://doi.org/10.1186/s43168-020-00027-w

Role of CT in differentiation between subtypes of lung cancer; is it possible?

https://doi.org/10.1186/s43055-022-00782-4

FDG-PET/CT tumor to liver SUV ratio (TLR), tumor SUVmax, and tumor size: Can this help in differentiating squamous cell carcinoma from adenocarcinoma of the lung?

Other Identifiers

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PET/CT in lung cancer

Identifier Type: -

Identifier Source: org_study_id

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