Feasibility of Targeting Glioblastoma Stem Cells: From Concept to Clinical Trials
Vadim V Tarasov1, Andrey A Svistunov1, Vladimir N Chubarev1
1Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991,Russian Federation.
Objective:
Glioblastoma is a highly aggressive and invasive brain and Central Nervous System (CNS) tumor. Current treatment options do not prolong overall survival significantly because the disease is highly prone to relapse. Therefore, research to find new therapies is of paramount importance. It has been discovered that glioblastomas contain a population of cells with stem-like properties and that these cells are may be responsible for tumor recurrence.
Methods:
A review of relevant papers and clinical trials in the field was conducted. A PubMed search with related keywords was used to gather the data. For example, "glioblastoma stem cells AND WNT signaling" is an example used to find information on clinical trials using the database ClinicalTrials.gov.
Results:
Cancer stem cell research has several fundamental issues and uncertainties that should be taken into consideration. Theoretically, a number of treatment options that target glioblastoma stem cells are available for patients. However, only a few of them have obtained promising results in clinical trials. Several strategies are still under investigation.
Conclusion:
The majority of treatments to target cancer stem cells have failed during clinical trials. Taking into account a number of biases in the field and the number of unsuccessful investigations, the application of the cancer stem cells concept is questionable in clinical settings, at least with respect to glioblastoma.
Insights
Treatments targeting glioblastoma stem cells show limited success in clinical trials. The effectiveness of the cancer stem cell concept in treating glioblastoma remains uncertain due to numerous failed investigations.
Area of Science:
- Neuro-oncology
- Cancer Biology
- Clinical Trials
Background:
- Glioblastoma is an aggressive brain tumor with high recurrence rates.
- Glioblastoma stem cells are implicated in tumor recurrence.
- Novel therapeutic strategies are crucial for improving patient survival.
Purpose of the Study:
- To review the current landscape of glioblastoma stem cell research.
- To evaluate the clinical efficacy of targeting glioblastoma stem cells.
- To assess the viability of the cancer stem cell concept in glioblastoma treatment.
Main Methods:
- Systematic literature review of relevant scientific papers.
- Analysis of clinical trial data from databases like PubMed and ClinicalTrials.gov.
- Keyword-based search strategy including "glioblastoma stem cells" and "WNT signaling".
Main Results:
- Several theoretical treatment options targeting glioblastoma stem cells exist.
- Few glioblastoma stem cell-targeted therapies have shown promising results in clinical trials.
- Many strategies targeting these cells are still in early investigative stages.
Conclusions:
- Most treatments aimed at glioblastoma stem cells have not succeeded in clinical trials.
- Biases and numerous unsuccessful studies question the clinical applicability of the cancer stem cell concept for glioblastoma.
- Further research is needed to clarify the role and therapeutic targeting of glioblastoma stem cells.
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