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Poly(adenosine diphosphate [ADP]–ribose) Polymerases (PARPs) Inhibitors Successful targeting of DNA Repair Pathways by PARP Inhibitors – Current and Future Potential

July 2017 | 56 pages | ID: P92BE31076CEN
ProGrow Pharma Partners

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Poly(adenosine diphosphate [ADP]–ribose) polymerases (PARPs) activity is essential for the repair of damaged DNA. The DNA repair pathway is defective/mutated in several cancers (BRCA1, BRCA2 ovarian and breast cancer, etc) and further impairing this pathway by PARP inhibitors in these cancers is the basis of developing DNA repair targeted therapies. In the Last four years three drugs targeting PARPs have been approved for Ovarian Cancer (BRCA mutant) and new clinical data supports further label expansion of this class of drugs in other solid tumors. PARP inhibitors have demonstrated clear patient benefit in germline BRCA (gBRCA), Homologous Recombination (HR)-deficient, and other ovarian cancers. The market opportunity of this class of drug in the approved Ovarian cancer indication itself is large and the best is yet to come from the label expansion in other cancers- Prostate, Breast, Lung, Endometrial, Pancreatic, GlioBlastoma Multiforme (GBM), , etc. as a monotherapy or in combination with other targeted drugs. The innovator companies have pegged the market opportunity of this class of drugs beyond $5bn which should trigger M&A activity at attractive terms for them. In this report, we highlight the rationale of inhibiting PARP in different cancers and the promising clinical data. Clinical progress of PARP inhibitors as a monotherapy against tumors with existing DNA repair defects, such as BRCA1 and BRCA2 and other mutations, and as a combination therapy when administered with other targeted therapies as well as chemotherapeutics that induce DNA damage.
1. EXECUTIVE SUMMARY

2. OVERVIEW OF PARP INHIBITORS

3. STRATEGY USED IN DEVELOPING PARP INHIBITORS AS DRUGS – TURNING MUTATIONS AGAINST THE CANCER CELLS

4. COMPETITIVE LANDSCAPE – PARP INHIBITORS-DRUGS IN PIPELINE

5. POTENTIAL OF PARP INHIBITORS SET TO UNFOLD!

6. PARP INHIBITORS IN APPROVED INDICATION- OVARIAN CANCER

Current Treatment options in Ovarian Cancer
PARP Inhibitors in Ovarian Cancer
Clinical data and future Label Expansion in Ovarian Cancer
Ongoing clinical trials in Ovarian cancer

7. BREAST CANCER

8. PROSTATE CANCER

9. LUNG CANCER – NON-SMALL CELL LUNG CANCER (NSCLC)

10. OTHER CANCERS

Pancreatic Cancer
Endometrial Cancer
Brain Tumors- GBM
Gastric Cancer

11. COMMERCIAL OUTLOOK

12. M & A OPPORTUNITY

13. KEY MILESTONES

14. APPENDIX I – OVARIAN CANCER – ONGOING CLINICAL TRIALS

15. APPENDIX II – BREAST CANCER – ONGOING CLINICAL TRIALS

16. APPENDIX III – PROSTATE CANCER – ONGOING CLINICAL TRIALS

17. APPENDIX IV – LUNG CANCER – ONGOING CLINICAL TRIALS

18. APPENDIX V – OTHER CANCERS (PANCREATIC, ENDOMETRIAL, GASTRIC, GBM, ETC.) – ONGOING CLINICAL TRIALS


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