PARP1 Inhibitors Market Assessment and Forecast – Competition Landscape, Commercial, and Pipeline Analysis, 2023-2029

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PARP1 inhibitors are a class of drugs that target the enzyme poly (ADP-ribose) polymerase 1 (PARP1). PARP1 is involved in DNA repair processes, specifically base excision repair. The mechanism of action of PARP1 inhibitors involves blocking the activity of PARP1, preventing it from repairing damaged DNA. This leads to the accumulation of DNA damage and ultimately causes cell death, particularly in cancer cells that rely heavily on PARP1-mediated DNA repair pathways. PARP1 inhibitors are primarily used in the treatment of certain types of cancer, such as breast, ovarian, and prostate cancers. They have shown particular efficacy in cancers with defects in the DNA repair pathway, such as those with BRCA mutations. Additionally, PARP1 inhibitors are being investigated for their potential use in other conditions, including neurodegenerative diseases and cardiovascular disorders. According to the Centers for Diseases Control and Prevention, breast cancer is the second most common cancer among women in the USA, which accounts for 264,000 new cases and 42000 deaths every year. Companies such as AstraZeneca, Jeil, AbbVie, J&J, Merck (MSD), BeiGene, GSK, Impact Therapy, Ildong, Medison, National OncoVenture, Pfizer, Sanofi, Takeda currently cater to breast cancer, prostate cancer, peritoneal cancer segments. Lynparza (Olaparib) is one of the prominent drugs by Merck (MSD), AstraZeneca which is being used to treat sarcoma and breast carcinoma. Moreover, Zejula (niraparib) by GSK, J&J, Takeda, and Talzenna (Talazoparib) by Pfizer are other prominent drugs that are used extensively in cases of Glioblastoma and leukemia respectively, apart from getting used in before-mentioned indications. Moreover, many companies are coming up with new molecules in this space. For instance, Abbvie is one such company that is currently conducting a clinical trial of the drug ABT-888 for the treatment of endocrine gland neoplasm and breast cancer.

Key Developments

  • In May 2023, Gilead acquired XinThera, through which they strengthened their early pipeline in oncology by getting the rights of precision small molecules focused on PARP1 and MK2 inhibitors.
  • In June 2023, Eikon Therapeutics and Impact Therapeutics entered into a global licensing and collaboration agreement For PARP1 selective inhibitor IMP1734, which is anticipated to enter into Phase I clinical study in 2023. Under the collaboration agreement, Eikon received an exclusive license from Impact to co-develop, register, manufacture, and commercialize IMP1734 and other PARP1 selective inhibitors globally, excluding Greater China (mainland China, Hong Kong, Macau, and Taiwan)
  • In September 2022, Merck announced a collaboration agreement with licensing option with Nerviano Medical Sciences S.r.l. (NMS) for the next generation highly selective and brain penetrant PARP1 Inhibitor, NMS-293 development.

Approved PARP1 Inhibitors

  • Niraparib (Zejula)/GSK, J&J, Takeda
  • Olaparib (Lynparza)/ Merck (MSD), AstraZeneca
  • Talazoparib (Talzenna)/Pfizer
  • Rucaparib (Rubraca)/Clovis

Pipeline Drugs - PARP1 Inhibitor

  • Lynparza (Olaparib) / Merck (MSD), Astrazeneca
  • Zejula (Niraparib) / GSK, J&J, Takeda
  • Talzenna (Talazoparib) / Pfizer
  • Veliparib (Abt-888) / AbbVie
  • Rubraca (Rucaparib) / Clovis
  • Airuiyi (Fluzoparib) / Jiangsu Hengrui Pharma
  • Partruvix (Pamiparib) / Emd Serono, Beigene
  • Iniparib (Bsi 201) / Sanofi
  • Senaparib (Imp4297) / Impact Therapy
  • Azd5305 / Astrazeneca
  • Stenoparib (2x-121) / Allarity Therap, Oncoheroes
  • Sc10914 / Jiangxi Qingfeng Pharma, Shanghai De Novo Pharmatech
  • Venadaparib (Nov 1401) / National Oncoventure, Ildong
  • Amelparib (Jpi-289) / Jeil
  • Nesuparib (Jpi-547) / Jeil
  • NMS-293 / Nerviano Medical Sciences, Merck (MSD)
  • TQB3823 / Sino Biopharm
  • ABT-767 / AbbVie
  • AMXI-5001 / AtlasMedx
  • AZD9574 / AstraZeneca
  • Akeega (abiraterone/niraparib)
  • HS-10502 / Jiangsu Hansoh Pharma
  • HTMC0435 / Shanghai Huilun
  • HWH340 / WuXi AppTec, Hubei Bio
  • RP12146 / Incozen Therap, Rhizen
  • TSL-1502 / Tasly
  • Simmiparib (SMOCL-9112) / Shanghai Acebright Pharma

 Clinical Activity and Development of PARP1 Inhibitor

In the PARP1 inhibitor space, approximately 36 companies are focusing on 345 disease indications, and more than 600 clinical trials are being conducted in this category of drugs. For instance,

  • In February 2023, Janssen presented updated data demonstrating improved outcomes from the use of niraparib in combination with Abiraterone Acetate plus Prednisone as a first-line therapy in patients with BRCA-positive metastatic castration-resistant prostate cancer.
  • In February 2019, Janssen announced preliminary results from the phase 2 Galahad study in adults with metastatic castration-resistant prostate cancer and DNA-repair pathway defects (DRD). Data showed Niraparib demonstrated an objective response rate of approximately 40 percent in patients with metastatic castration-resistant prostate cancer and DNA-repair pathway defects, specifically BRCA1/2.

Target Indication Analysis of PARP1 Inhibitors

The PARP1 inhibitors are primarily used to treat breast cancer, prostate cancer, and fallopian tube cancer. PARP1 inhibitors also help to prevent ovarian epithelial cancer. For instance, Veliparib is one drug by AbbVie which is under trial for the treatment of ovarian epithelial cancer. In the treatment of fallopian tube cancer, PARP1 inhibitor Nirapirib is used widely. Through research and development, the indications in which PARP1 inhibitors can be used are getting expanded. For instance, PARP1 inhibitors are now under clinical trial for the treatment of rhabdoid tumors.

Frequently Asked Questions

The approved molecules of PARP1 inhibitors are Lynparza (olaparib), Zejula (niraparib), Talzenna (talazoparib), and Rubraca (rucaparib).

The increasing prevalence of breast cancer, advanced healthcare infrastructure, and a strong emphasis on research and development are the primary drivers for market growth.

The major players in this space are AstraZeneca, AbbVie, J&J, GSK, Merck (MSD), BeiGene, Pfizer, Sanofi, and Takeda

The emergence of alternative treatment options, such as other targeted therapies or combination therapies, and stringent reimbursement policies in some regions as well as the high cost of drugs can limit their use and impact market growth.

Key Features of the Reports

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  • AstraZeneca
  • Jeil
  • AbbVie
  • J&J
  • Merck (MSD)
  • Allarity Therap
  • AtlasMedx
  • BeiGene
  • BioMarin
  • Clovis
  • EMD Serono
  • GSK
  • Hubei Bio
  • IMPACT Therap
  • Ildong
  • Incozen Therap
  • Jiangsu Hansoh Pharma
  • Jiangsu Hengrui Pharma
  • Jiangxi Qingfeng Pharma
  • Mayo Clinic
  • Medison
  • National OncoVenture
  • Nerviano Medical Sciences
  • Oncoheroes
  • Pfizer
  • Rhizen
  • Sanofi
  • Shanghai Acebright Pharma
  • Shanghai De Novo Pharmatech
  • Shanghai Huilun
  • Shanghai Junshi Biosci
  • Sino Biopharm
  • Takeda
  • Tasly
  • WuXi AppTec
  • ZAI Lab

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