Concurrent Chemotherapy Plus HFR Radiation Therapy in Inoperable NSCLC

  • STATUS
    Recruiting
  • End date
    Dec 22, 2025
  • participants needed
    12
  • sponsor
    State University of New York - Upstate Medical University
Updated on 22 January 2021
paclitaxel
carcinoma
carboplatin
cancer chemotherapy
carboplatin/paclitaxel
lung carcinoma

Summary

The standard treatment for patients with Non-Small Cell Lung Cancer (NSCLC) and clinically negative lymph nodes remains surgery per current guidelines. Five year survival for patients with stage I non-small cell lung cancer is generally greater than 50% after surgery. Many of these patients have heart and lung issues or other diseases which keep them from undergoing curative surgery. Studies have shown that majority of these patients die from their cancer and not from their other diseases. This is the reason for treating early stage lung cancer patients with definitive therapy, when they cannot have surgery. This study will enroll twelve subjects to evaluate the side effects of this treatment, and decide if it is a good option for the patients that cannot have surgery.

Description

Lung cancer is the leading cause of cancer related deaths for both men and women in the United States. In 2014 the estimated number of new lung cancer cases in the United States is 224,210. Approximately 159,260 people are estimated to die from lung cancer in 2014. Non-small cell lung cancer (NSCLC) constitutes 80% of all lung cancer cases. The standard treatment for patients with NSCLC and clinically negative lymph nodes remains surgery per NCCN guidelines. Five year survival for patients with stage I non-small cell lung cancer is generally greater than 50% after surgical resection with lobectomy. A significant number of these patients have cardio-pulmonary or other co-morbidities which preclude them from undergoing curative surgery. Studies have shown that majority of these patients die from their cancer and not from their co-morbidities. This forms the rationale for treating medically inoperable early stage lung cancer patients with definitive therapy.

Treatment with radiotherapy (RT) has been the standard option for patients unable to undergo surgery. Radiation alone leads to slightly better outcomes but still not equivalent to surgery with 60-70% local failure with conventional fractionated radiotherapy over several weeks. The development of three-dimensional conformal radiotherapy (3DCRT) has allowed for more focused treatment while avoiding nearby normal tissue resulting in improved disease specific survival but overall survival is still poor.

There is currently no data supporting the use of chemotherapy in the medically inoperable group either in an adjuvant setting or concurrently with RT in those with early stage lung cancer. In patients with unresectable Stage IIIA and IIIB NSCLC, combined chemo-RT has been proven to be superior to RT alone. Two randomized studies that compared concurrent versus sequential chemo-radiotherapy found that the concurrent approach provides superior outcomes. However this approach has not been studied in early stage lung cancer in the medically inoperable group. The medically inoperable patient cohort often does not undergo surgical staging, which increases the odds that they harbor occult regional disease. Chemotherapy given concurrently with radiation will act as a radiosensitizer and improve local disease control and could decrease rate of distant metastases. It is possible that the medically inoperable population also experience more side effects due to their co-morbidities and poor performance status. Hence there is a need to determine if concurrent chemoradiation is feasible and tolerable in the medically inoperable patients. The main side effect associated with concurrent chemoradiation in stage III NSCLC is esophagitis. This arises due to effect of radiation therapy to the regional lymph node (LN). The investigators' study population with early stage lung cancer has no nodal involvement. Hence, the investigators do not anticipate esophagitis being a major side effect in the researchers' study.

There is recent data for adjuvant chemotherapy in the medically operable group. Data from the Lung Adjuvant Cisplatin Evaluation (LACE) showed with a median follow-up time of 5.2 years, the overall HR of death was 0.89 (95% CI, 0.82 to 0.96; P = .005), corresponding to a 5-year absolute benefit of 5.4% from chemotherapy. A similar trial evaluating the role of sequential chemotherapy after stereotactic body radiation therapy (SBRT) in the medically inoperable population was attempted at the investigators' institution but was closed due to poor accrual. Hence, the investigators are looking at the role of concurrent chemo-RT in this population.

Details
Condition Non-Small Cell Lung Cancer, nsclc
Treatment carboplatin, Paclitaxel, 70 Gy in 20 fractions over 4 weeks
Clinical Study IdentifierNCT02619448
SponsorState University of New York - Upstate Medical University
Last Modified on22 January 2021

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