| Unique ID issued by UMIN | UMIN000063033 |
|---|---|
| Receipt number | R000072131 |
| Scientific Title | A prospective study evaluating the effect of CD45-positive cell depletion by magnetic-activated cell sorting on tumor cell content and NGS performance of FFPE cell blocks derived from malignant pleural effusion in patients with non-small cell non-squamous lung cancer |
| Date of disclosure of the study information | 2026/09/24 |
| Last modified on | 2026/09/24 07:10:53 |
A study of specimen processing methods to enable genomic testing using malignant pleural effusion from patients with lung cancer
PLEURA-NGS study
A prospective study evaluating the effect of CD45-positive cell depletion by magnetic-activated cell sorting on tumor cell content and NGS performance of FFPE cell blocks derived from malignant pleural effusion in patients with non-small cell non-squamous lung cancer
PLEURA-NGS study
| Japan |
Malignant pleural effusion from non-squamous non-small cell lung cancer
| Pneumology |
Malignancy
YES
To evaluate whether CD45-positive cell depletion by magnetic-activated cell sorting (MACS) improves the tumor cell content of FFPE cell blocks derived from malignant pleural effusion in patients with non-squamous non-small cell lung cancer by within-patient comparison with standard processing. The study will also compare DNA/RNA quantity and quality and NGS performance using Oncomine Comprehensive Assay Plus (OCA Plus) between paired specimens to determine whether improved specimen quality translates into improved NGS performance.
Efficacy
Confirmatory
Explanatory
Not applicable
Within-patient comparison of achievement of a tumor cell content of >=20% between FFPE cell blocks prepared by standard processing and MACS processing. Tumor cell content will be assessed pathologically after cell block preparation.
The following outcomes will be compared within patients between specimens prepared by standard processing and MACS processing:
Tumor cell content as a continuous variable
Tumor cell count
DNA quantity and DNA quality metrics
RNA quantity and RNA quality metrics
Eligibility for GenMineTOP submission
OCA Plus analysis success rate
Major sequencing quality metrics of OCA Plus
Genomic alterations detected by OCA Plus and their variant allele frequencies
Concordance between genomic alterations detected by OCA Plus and previously known driver alterations
Number of patients eligible for GenMineTOP, analysis success, and detected genomic alterations as exploratory outcomes
Pathological and nucleic acid quality assessments will be performed after cell block preparation, and OCA Plus NGS analysis will be performed after DNA/RNA extraction and quality assessment.
Observational
| 18 | years-old | <= |
| Not applicable |
Male and Female
1. Patients with suspected malignant pleural effusion from non-squamous non-small cell lung cancer based on clinical course, imaging, and laboratory findings, or patients already diagnosed with malignant pleural effusion from non-squamous non-small cell lung cancer
2. Patients in whom pleural effusion can be obtained by clinically indicated thoracentesis or chest drainage
3. Both treatment-naive and previously treated patients are eligible, regardless of treatment history
4. Patients aged 18 years or older at the time of informed consent
5. Patients who have received sufficient explanation of the study and provided voluntary written informed consent
For patients without a confirmed diagnosis at enrollment, only those subsequently confirmed by pathological evaluation to have malignant pleural effusion derived from non-squamous non-small cell lung cancer will be included in the final study population.
1. Patients whose pleural effusion is determined not to be malignant by pathological evaluation after collection
2. Patients in whom malignant cells in the pleural effusion cannot be determined to originate from non-squamous non-small cell lung cancer
3. Patients with insufficient residual pleural effusion to prepare cell blocks using both standard processing and MACS processing
4. Patients considered unsuitable for participation by the principal investigator or study investigators
30
| 1st name | Shuhei |
| Middle name | |
| Last name | Teranishi |
Kanagawa Cancer Center
Department of Thoracic Oncology
241-8515
2-3-2 Nakao, Asahi-ku, Yokohama, Kanagawa, 241-8515, Japan
045-520-2222
teranishi.cg60p@kanagawa-pho.jp
| 1st name | Shuhei |
| Middle name | |
| Last name | Teranishi |
Kanagawa Cancer Center
Department of Thoracic Oncology
241-8515
2-3-2 Nakao, Asahi-ku, Yokohama, Kanagawa, 241-8515, Japan
045-520-2222
teranishi.cg60p@kanagawa-pho.jp
Kanagawa Cancer Center
Kanagawa Cancer Center
Other
Kanagawa Prefectural Hospitals Cancer Fund, GenMine Labs
Kanagawa Cancer Center Research Ethics Committee
2-3-2 Nakao, Asahi-ku, Yokohama, Kanagawa 241-8515, Japan
045-520-2222
clinical_trials@kcch.jp
NO
| 2026 | Year | 09 | Month | 24 | Day |
Unpublished
Enrolling by invitation
| 2026 | Year | 06 | Month | 07 | Day |
| 2026 | Year | 06 | Month | 29 | Day |
| 2026 | Year | 06 | Month | 29 | Day |
| 2030 | Year | 06 | Month | 30 | Day |
none
| 2026 | Year | 09 | Month | 24 | Day |
| 2026 | Year | 09 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072131