Multigene RNAi Technology to Treat Cancer: Harnessing Synergistic Gene Regulation to Combat Evolving Cancer

Swetha Vaishnavi1, Chandra S Bhatt1, Satheesh Ellipilli1

  • 1Chemical Biology Lab, Department of Chemistry, School of Engineering and Sciences, SRM University-AP, Amaravati 522240, India.

Molecular Pharmaceutics
|October 23, 2025
PubMed

Insights

Combinational RNA interference (RNAi) therapies silence multiple cancer-related genes, overcoming resistance and improving tumor reduction. This approach significantly outperforms single RNAi treatments in preclinical studies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Cancer treatment faces challenges from uncontrolled cell proliferation and resistance to conventional therapies.
  • RNA interference (RNAi) therapeutics offer a novel approach by targeting cancer at genetic and epigenetic levels.
  • The complexity of cancer signaling networks necessitates strategies beyond single-target interventions.

Purpose of the Study:

  • To review the rationale and efficacy of combinational RNAi-based cancer therapy.
  • To analyze multigene targets for blocking tumor-associated cellular functions.
  • To highlight challenges and future directions in combinational RNAi therapeutics.

Main Methods:

  • Systematic analysis of preclinical studies on combinational RNAi therapy.
  • Evaluation of multigene silencing strategies against cancer pathways.
  • Comparison of tumor volume reduction between single and combinational RNAi treatments.

Main Results:

  • Combinational RNAi therapy reduced average tumor volume by 22.85%.
  • Single RNAi therapies resulted in an average tumor volume reduction of 54.75%.
  • Combinational approaches demonstrated superior efficacy in preclinical tumor inhibition.

Conclusions:

  • Combinational RNAi therapy presents a promising strategy for effective cancer treatment by overcoming resistance mechanisms.
  • Multigene silencing via RNAi offers a potential solution for managing complex and evolving cancers.
  • Further research into formulation and precise selection of RNAi combinations is crucial for clinical advancement.

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