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Ref Type | Journal Article | ||||||||||||
PMID | (39199558) | ||||||||||||
Authors | Decaudin D, Némati F, Masliah Planchon J, Seguin-Givelet A, Lefevre M, Etienne V, Ahnine H, Peretti Q, Sourd L, El-Botty R, Huguet L, Lagha S, Hegarat N, Roman-Roman S, Bièche I, Girard N, Montaudon E | ||||||||||||
Title | Evaluation of Combined Chemotherapy and Genomic-Driven Targeted Therapy in Patient-Derived Xenografts Identifies New Therapeutic Approaches in Squamous Non-Small-Cell Lung Cancer Patients. | ||||||||||||
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Abstract Text | The combination of chemotherapy and targeted therapy has been validated in non-small-cell lung cancer (NSCLC) patients with EGFR mutations. We therefore investigated whether this type of combined approach could be more widely used by targeting other genetic alterations present in NSCLC. PDXs were generated from patients with NSCLC adenocarcinomas (ADCs) and squamous-cell carcinomas (SCCs). Targeted NGS analyses identified various molecular abnormalities in the MAPK and PI3K pathways and in the cell cycle process in our PDX panel. The antitumor efficacy of targeted therapies alone or in combination with chemotherapy was then tested in vivo. We observed that trametinib, BKM120, AZD2014 and palbociclib increased the efficacy of each chemotherapy in SCC PDXs, in contrast to a non-insignificant or slight improvement in ADCs. Furthermore, we observed high efficacy of trametinib in KRAS-, HRAS- and NRAS-mutated tumors (ADCs and SCCs), suggesting that the MEK inhibitor may be useful in a wider population of NSCLC patients, not just those with KRAS-mutated ADCs. Our results suggest that the detection of pathogenic variants by NGS should be performed in all NSCLCs, and particularly in SCCs, to offer patients a more effective combination of chemotherapy and targeted therapy. |
Molecular Profile | Treatment Approach |
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Therapy Name | Drugs | Efficacy Evidence | Clinical Trials |
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Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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HRAS G12S | lung squamous cell carcinoma | sensitive | Cisplatin + Pemetrexed Disodium + Trametinib | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Mekinist (trametinib) to treament with the combination of Alimta (pemetrexed disodium) and Platinol (cisplatin) resulted in improved tumor growth inhibition compared to chemotherapy or Mekinist (trametinib) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring HRAS G12S (PMID: 39199558). | 39199558 |
CDKN2A S12* PIK3CA E542K | lung squamous cell carcinoma | sensitive | Carboplatin + Paclitaxel + Palbociclib | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Ibrance (palbociclib) to treatment with the combination of Paraplatin (carboplatin) and Taxol (paclitaxel) resulted in improved tumor growth inhibition compared to chemotherapy or Ibrance (palbociclib) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring PIK3CA E542K and CDKN2A S12* (PMID: 39199558). | 39199558 |
PTEN Q245* | lung squamous cell carcinoma | sensitive | Carboplatin + Paclitaxel + Vistusertib | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Vistusertib (AZD2014) to treatment with the combination of Paraplatin (carboplatin) and Taxol (paclitaxel) resulted in improved tumor growth inhibition compared to chemotherapy or Buparlisib (BKM120) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring PTEN Q245* (PMID: 39199558). | 39199558 |
PIK3CA E542K | lung squamous cell carcinoma | sensitive | Buparlisib + Carboplatin + Paclitaxel | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Buparlisib (BKM120) to treatment with the combination of Paraplatin (carboplatin) and Taxol (paclitaxel) resulted in improved tumor growth inhibition compared to chemotherapy or Buparlisib (BKM120) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring PIK3CA E542K and CDKN2A S12* (PMID: 39199558). | 39199558 |
HRAS G12S | lung squamous cell carcinoma | sensitive | Buparlisib + Carboplatin + Paclitaxel | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Buparlisib (BKM120) to treatment with the combination of Paraplatin (carboplatin) and Taxol (paclitaxel) resulted in improved tumor growth inhibition compared to chemotherapy or Buparlisib (BKM120) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring HRAS G12S (PMID: 39199558). | 39199558 |
PTEN Q245* | lung squamous cell carcinoma | sensitive | Buparlisib + Carboplatin + Paclitaxel | Preclinical - Pdx | Actionable | In a preclinical study, the addition of Buparlisib (BKM120) to treatment with the combination of Paraplatin (carboplatin) and Taxol (paclitaxel) resulted in improved tumor growth inhibition compared to chemotherapy or Buparlisib (BKM120) alone in a patient-derived xenograft (PDX) model of squamous non-small cell lung cancer harboring PTEN Q245* (PMID: 39199558). | 39199558 |