Online Inquiry

Please note that we are not a pharmacy or clinic, so we are unable to see patients and do not offer diagnostic and treatment services for individuals.


Sarcomatoid Carcinoma of the Lung (SCL)

Sarcomatoid carcinoma of the lung (SCL) is a rare and aggressive form of lung cancer that encompasses various histological subtypes. Our company is at the forefront of drug and therapy development services for SCL, aiming to provide innovative solutions to combat this challenging disease.

Introduction to Sarcomatoid Carcinoma of the Lung (SCL)

Sarcomatoid carcinoma of the lung (SCL), also known as pulmonary sarcomatoid carcinoma (PSC), is a rare subtype of lung cancer characterized by the presence of malignant cells with a spindle or sarcomatoid appearance. It accounts for approximately 0.1-0.4% of all lung cancer cases. SCL is known for its aggressive behavior, rapid progression, and poor prognosis. SCL encompasses several distinct histological subtypes, each with its unique features and prognostic implications.

Pathological Classification of SCL

  • Pleomorphic Carcinoma: Characterized by the presence of both carcinomatous and sarcomatous components, often displaying marked cellular pleomorphism.
  • Carcinosarcoma: Exhibits both malignant carcinoma and sarcoma components, demonstrating biphasic differentiation.
  • Spindle Cell Carcinoma: Composed of malignant spindle-shaped cells, resembling fibroblasts.
  • Giant Cell Carcinoma: Comprised of large, multinucleated giant cells, along with other malignant components.
  • Pulmonary Blastoma: A rare subtype characterized by a combination of immature mesenchymal and epithelial elements.
Fig.1 Proportions of pulmonary sarcomatoid carcinoma in lung cancer.Fig.1 Proportions of pulmonary sarcomatoid carcinoma in lung cancer. (Zhang, Lin, et al., 2022)

Targets of SCL Therapy Development

EGFR Pathway

Abnormalities in the EGFR gene and overexpression of EGFR protein make this pathway a potential target for therapy development. Targeted therapies, such as tyrosine kinase inhibitors, may help inhibit the aberrant signaling that drives SCL progression.

K-ras Pathway

K-ras mutations have been identified in a subset of SCL cases, providing another avenue for targeted therapies. Inhibition of K-ras signaling could potentially disrupt the oncogenic processes driving SCL growth.

Immune Checkpoint Pathway

SCL tumors often exhibit high immune infiltration but evade immune surveillance through upregulation of programmed death ligand-1 (PD-L1). Immune checkpoint inhibitors, such as anti-PD-1/PD-L1 antibodies, can enhance the immune response against SCL.

Therapy Development for SCL

Targeted Therapy Development Immunotherapy Development
  • MET: Savolitinib, Crizotinib, Capmatinib, and Tepotinib
  • Anlotinib
  • Apatinib
  • ROS1: Crizotinib
  • PD-L1
  • ICIs
  • ICIs in Combination with Apatinib

Our Services

Therapeutic approaches for SCL target key molecular pathways and genetic alterations associated with the disease. Our company is actively involved in developing diagnostics and therapies targeting multiple aspects of SCL.

Therapy Development Platforms

To assess the efficacy and safety of our therapies, we conduct rigorous preclinical testing using in vitro and in vivo models. Our company has developed robust animal models that closely mimic the characteristics of SCL, allowing us to evaluate the efficacy of our therapies in a realistic setting.

Animal Model Development Services

  • GEMs (the combined deletion of Pten and Trp53)
  • Others

If you are interested in our services, please feel free to contact us for more details and quotation information of related services.


  • Zhang, Lin, et al. "Multimodality treatment of pulmonary sarcomatoid carcinoma: a review of current state of art." Journal of Oncology 2022 (2022).
  • Li, Xin, et al. "Pulmonary sarcomatoid carcinoma: progress, treatment and expectations." Therapeutic Advances in Medical Oncology 12 (2020): 1758835920950207.

All of our services and products are intended for preclinical research use only and cannot be used to diagnose, treat or manage patients.

Related Disease Solutions

Copyright © Protheragen. All rights reserves.