Angle Plc. Parsortix to be used in study with 450 participants:-24 May 2025 12:30
Https://clinicaltrials.gov/study/NCT06967961?term=parsortix&rank=8
AI Overview
Flow Cytometry and CellSearch®, along with Flow Cytometry and Parsortix, are most commonly used for detecting circulating tumor cells (CTCs) in various types of cancers, particularly those with higher CTC numbers. CellSearch is FDA-cleared for specific uses in breast, prostate, and colorectal cancers. Parsortix offers advantages in recovering both epithelial and mesenchymal CTCs.
Here's a more detailed breakdown:
1. Tumor Types where CTCs are Detected:
Breast Cancer:
Both CellSearch and Parsortix have been used to identify and assess CTCs in metastatic breast cancer.
Prostate Cancer:
CellSearch is FDA-cleared for use in prostate cancer, including castration-resistant prostate cancer.
Colorectal Cancer:
Both CellSearch and Parsortix have been used to identify CTCs in colorectal cancer.
Other Cancers:
While CellSearch and Parsortix are most widely used for the above, CTC detection can be valuable in other cancers as well, including small cell lung cancer, non-small cell lung cancer, bladder cancer, pancreatic cancer, and head and neck cancer.
Limitations:
Some studies suggest that the detection of CTCs in certain gynecological tumors, neuroendocrine tumors, head and neck tumors, and melanoma may not be as successful due to factors like tumor-specific characteristics and the number of CTCs.
2. CellSearch vs. Parsortix:
CellSearch:
It uses a specific antibody-based approach to capture and detect epithelial CTCs in blood samples.
Parsortix:
It offers enhanced recovery of both epithelial and mesenchymal CTCs compared to CellSearch, making it valuable for studying CTCs in a wider range of cancers.
Downstream Analysis:
Both CellSearch and Parsortix allow for downstream molecular characterization of the captured CTCs.