Lumakras (sotorasib) / Amgen 
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  • ||||||||||  defactinib (VS-6063) / Verastem, avutometinib (VS-6766) / Verastem
    RAMP 202: A phase 2 study of avutometinib (VS-6766)  (On Demand | Hall A; Poster Bd # 88) -  Apr 26, 2023 - Abstract #ASCO2023ASCO_3509;    
    P2
    In this heavily pretreated population of patients with KRAS G12V mt NSCLC, limited clinical activity was observed with combination therapy. While no new safety signals were identified, criteria to proceed to part B were not met, and further evaluation of avutometinib
  • ||||||||||  SOS1 degrader / BioTheryX
    Development of bifunctional CRBN-SOS1 degraders for treatment of mutant KRAS cancers. (On Demand | Hall A; Poster Bd # 349) -  Apr 26, 2023 - Abstract #ASCO2023ASCO_1851;    
    Strong synergistic antiproliferative effects were observed when SOS1 degraders were co-treated with KRAS inhibitors AMG510 (G12C) and MRTX1133 (G12D) in respective KRAS-mutant cell lines as well as with MEK inhibition and EGFR inhibition. Together, these results highlight the potential of SOS1 degraders alone and in combination as therapeutic options for a variety of KRAS-driven cancers.
  • ||||||||||  MRTX1133 / Mirati, Lumakras (sotorasib) / Amgen
    Impact of novel pan-RAS inhibitors on efficacy and resistance to AMG-510 and MRTX-1133 in pancreatic cancer cell lines. (Available On Demand; Poster Bd # 476) -  Apr 26, 2023 - Abstract #ASCO2023ASCO_1281;    
    Recently, several mutant KRAS-targeted therapies (sotorasib and adagrasib) have been developed and show promise in PDAC patients. We have developed a series of novel RAS inhibitors that directly bind preferentially to mutant KRAS that may serve as new mutant KRAS-targeted therapeutics, and that may also have the potential to enhance the efficacy or suppress the resistance of AMG-510 and MRTX-1133.
  • ||||||||||  Journal:  Targeting of SOS1: from SOS1 Activators to Proteolysis Targeting Chimeras. (Pubmed Central) -  Apr 19, 2023   
    The first inhibitor, BI-1701963, is in clinical studies alone or in combination with a KRAS inhibitor, a MAPK inhibitor or chemotherapeutics...This PROTAC exhibited the highest SOS1-directed activity due to target destruction, recycling and removal of SOS1 as a scaffolding protein. Although other first PROTACs have entered clinical trials, each conjugate must be meticulously adapted as an efficient clinical drug.
  • ||||||||||  Lumakras (sotorasib) / Amgen, ladarixin (DF-2156A) / Dompe
    New P1 trial, New P1/2 trial, Metastases:  Ladarixin With Sotorasib in Advanced NSCLC (clinicaltrials.gov) -  Apr 18, 2023   
    P1,  N=12, Not yet recruiting, 
  • ||||||||||  Lumakras (sotorasib) / Amgen
    Journal, Metastases:  Kras oncogene ablation prevents resistance in advanced lung adenocarcinoma. (Pubmed Central) -  Apr 4, 2023   
    Instead, sotorasib resistant tumors displayed amplification of the mutant Kras allele and activation of xenobiotic metabolism pathways, suggesting that reduction of the on-target activity of KRASG12C inhibitors is the main mechanism responsible for the onset of resistance. In sum, our results suggest that resistance to KRAS inhibitors could be prevented by achieving a more robust inhibition of KRAS signaling mimicking the results obtained upon Kras ablation.
  • ||||||||||  Keytruda (pembrolizumab) / Merck (MSD), Lumakras (sotorasib) / Amgen, Rituxan (rituximab) / Biogen, Zenyaku Kogyo, Roche
    Carcinoma Masquerading as Immune Checkpoint Inhibitor Pneumonitis (Walter E. Washington Convention Center, Area D, Hall C (Lower Level)) -  Mar 25, 2023 - Abstract #ATS2023ATS_7382;    
    The patient partially improved with steroid administration which supported the diagnosis of ICI pneumonitis; However, symptoms progressed, and it was found on lung biopsy that patient has lepidic growth adenocarcinoma. Progression of lung cancer should remain on differential diagnosis in those with diffuse pulmonary infiltrates with history of lepidic growth adenocarcinoma.
  • ||||||||||  Lumakras (sotorasib) / Amgen
    Trial completion date, Trial primary completion date, Monotherapy:  CodeBreak101: Sotorasib Activity in Subjects With Advanced Solid Tumors With KRAS p.G12C Mutation (CodeBreak 101) (clinicaltrials.gov) -  Mar 24, 2023   
    P1b/2,  N=1143, Recruiting, 
    Progression of lung cancer should remain on differential diagnosis in those with diffuse pulmonary infiltrates with history of lepidic growth adenocarcinoma. Trial completion date: Apr 2028 --> Jan 2029 | Trial primary completion date: Feb 2026 --> Jul 2026
  • ||||||||||  Krazati (adagrasib) / Mirati, MRTX1133 / Mirati, Lumakras (sotorasib) / Amgen
    Journal:  Glimmers of hope for targeting oncogenic KRAS-G12D. (Pubmed Central) -  Mar 16, 2023   
    Recently, through extensive structure-based drug design from Mirati Therapeutics, a novel non-covalent KRAS-G12D inhibitor, MRTX1133, showed significant preclinical antitumor activity in KRAS-G12D-bearing tumor cells, especially pancreatic ductal adenocarcinoma. Here, we discuss the selectivity, efficacy, toxicity, and potential application challenges of this novel targeted protein inhibitor.