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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06195371
Other study ID # CASP3 gene in breast cancer
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date May 1, 2024
Est. completion date December 2026

Study information

Verified date October 2023
Source Assiut University
Contact Gehad Salah E-Din Shaker
Phone 01007293809
Email ghafez113@gmail.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

1. This study aims to evaluate the abnormalities of CASP3 gene in chemo resistance in breast cancer by FISH technique. evaluate the abnormalities of CASP3 gene in chemo resistance in breast cancer by FISH technique. 2. Detect CASP3 gene abnormality relation to survival, chemoresponse & chemoresistance. 3. Correlate CASP3 gene abnormalities with available clinicopathological data of breast cancer patients.


Description:

Breast cancer (BC) is the most common malignant tumor in women and the biggest threat to the health of women worldwide. Breast cancer represents a significant global health challenge: it is the most commonly diagnosed cancer in the world with an estimated 2.26 million cases recorded in 2020. Breast cancer is rarely seen in males. The incidence of breast cancer rises rapidly over the years, ranking as the first common cancer among females worldwide, and thus posing a considerable threat to female health. Breast cancer is the leading cause of cancer mortality among females. Although historically considered to be a disease of largely developed countries, over half of breast cancer diagnoses and two-thirds of breast cancer related deaths occurred in the less developed regions of the world in 2020.Being a highly prevalent cancer type, breast cancer is observed in both developing and developed countries with different causes and factors of progression. Adopting new life styles, industrialization, globalization, increased life expectancy, pollution etc are the leading causes of cancer. According to 2018 statistics, every year around 1.2 million new cases of breast cancer were diagnosed. The GLOBACON report of 2018 concluded that breast cancer was the most frequently identified cancer type and leading cause of cancer related death in majority of countries. Major part of breast related cancer is linked with the expression of estrogen receptors and their treatment is related with the disease prognosis. The rate of breast cancer mortality can be reduced down to a limit by early diagnosis; timely treatment and management . The commonly used chemotherapeutic drugs include doxorubicin (DOX), paclitaxel and cyclophosphamide. However, the efficiency of chemotherapy is greatly limited by primary and acquired drug resistance . Chemotherapy is widely accepted as traditional treatment method in spite of the obstacle of chemotherapy resistance. The important mechanisms that may lead to drug resistance include alteration in expression of ABC transporters gene family, damage of topoisomerase enzyme, mutation in DNA repair genes, induced apoptosis by genetic imbalance and alteration in signalling pathways of NF alpha etc. All these worsen the condition of breast cancer making chemotherapy a failure in most cases. According to Yaghoubi et al., 2015, the cells which already acquired drug resistance show cross resistance to anti proliferative nature of anti-oestrogen drugs which have crucial role in breast cancer treatment .Caspase-3, a cysteine-aspartic acid protease, has recently attracted much attention . Caspase-3 is a protein (also called CPP32 or apopain), encoded by the CASP3 gene; which is located in the 4q34 with size 2635 bp. It mediates apoptosis in response to chemotherapy, but losing caspase 3 activity causes cell survival and induces drug resistance through apoptotic pathway in breast cancer .Caspase-3 has been identified as a key mediator of apoptosis, activated in apoptotic cells by both extrinsic (death ligands) and intrinsic (mitochondrial) pathways. It also has several nonapoptotic functions such as involving in tissue differentiation, regeneration, and neural development. Nonconforming activation of caspase-3 can lead to tumorigenesis instead of inducing the programmed cell death.Recent progress in caspase research indicates that caspases-3 is a prominent enzyme not only in apoptotic flux but also in nonapoptotic processes such as tissue differentiation, tissue regeneration, and neural development.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 60
Est. completion date December 2026
Est. primary completion date November 2026
Accepts healthy volunteers
Gender Female
Age group 15 Years to 75 Years
Eligibility Inclusion Criteria: - Newly diagnosed patients of breast cancer admitted to South Egypt Cancer Institute at different stages of the disease Exclusion Criteria: - Other malignant diseases-Male breast cancer .

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Gehad Salah El-Din shaker Assiut University

References & Publications (7)

Asadi M, Taghizadeh S, Kaviani E, Vakili O, Taheri-Anganeh M, Tahamtan M, Savardashtaki A. Caspase-3: Structure, function, and biotechnological aspects. Biotechnol Appl Biochem. 2022 Aug;69(4):1633-1645. doi: 10.1002/bab.2233. Epub 2021 Aug 22. — View Citation

Fu W, Song J, Li H. Breviscapine reverses doxorubicin resistance in breast cancer and its related mechanisms. Thorac Cancer. 2023 Sep;14(27):2785-2792. doi: 10.1111/1759-7714.15072. Epub 2023 Aug 16. — View Citation

Jakubowska K, Guzinska-Ustymowicz K, Famulski W, Cepowicz D, Jagodzinska D, Pryczynicz A. Reduced expression of caspase-8 and cleaved caspase-3 in pancreatic ductal adenocarcinoma cells. Oncol Lett. 2016 Mar;11(3):1879-1884. doi: 10.3892/ol.2016.4125. Epub 2016 Jan 19. — View Citation

Shalini S, Dorstyn L, Dawar S, Kumar S. Old, new and emerging functions of caspases. Cell Death Differ. 2015 Apr;22(4):526-39. doi: 10.1038/cdd.2014.216. Epub 2014 Dec 19. — View Citation

Wilkinson L, Gathani T. Understanding breast cancer as a global health concern. Br J Radiol. 2022 Feb 1;95(1130):20211033. doi: 10.1259/bjr.20211033. Epub 2021 Dec 14. — View Citation

Xu F, Xia T, Xu QT, Zhang X, Huang YZ, Sun X, Shi L, Zhou XJ, Wei JF, Ding Q. RBMS2 Chemosensitizes Breast Cancer Cells to Doxorubicin by Regulating BMF Expression. Int J Biol Sci. 2022 Feb 7;18(4):1724-1736. doi: 10.7150/ijbs.66480. eCollection 2022. — View Citation

Yaghoubi A, Ghojazadeh M, Abolhasani S, Alikhah H, Khaki-Khatibi F. Correlation of Serum Levels of Vitronectin, Malondialdehyde and Hs- CRP With Disease Severity in Coronary Artery Disease. J Cardiovasc Thorac Res. 2015;7(3):113-7. doi: 10.15171/jcvtr.2015.24. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary - Evaluation of casp3 gene abnormalities by fluorescence in situ hybridization in patients with breast cancer Evaluation of casp3 gene abnormalities by fluorescence in situ hybridization in patients with breast cancer baseline
Secondary - correlation between casp3 gene and response to Chemotherapy. correlation between casp3 gene and response to Chemotherapy. baseline
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