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NCT Number: NCT00087438

Stereotactic Body Radiation Therapy in Treating Patients With Inoperable Stage I or Stage II Non-Small Cell Lung Cancer

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. Stereotactic body radiation therapy may be able to deliver x-rays directly to the tumor and cause less damage to normal tissue.

PURPOSE: This phase II trial is studying how well stereotactic body radiation therapy works in treating patients with inoperable stage I or stage II non-small cell lung cancer.

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Key information

Conditions

Lung Cancer Adenocarcinoma Adenocarcinoma of Lung Adenocarcinoma, Bronchiolo-Alveolar Bronchial Neoplasms Carcinoma Carcinoma, Bronchogenic Carcinoma, Non-Small-Cell Lung Lung Diseases Lung Neoplasms Neoplasms Neoplasms by Histologic Type Neoplasms by Site Neoplasms, Glandular and Epithelial Respiratory Tract Diseases Respiratory Tract Neoplasms Thoracic Neoplasms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

James P. Wilmot Cancer Center at University of Rochester Medical Center, Rochester, New York, United States

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About this study

OBJECTIVES:

Primary

  • Determine whether treatment with stereotactic body radiotherapy results in acceptable local control (i.e., ≥ 80%) in patients with medically inoperable stage I or II non-small cell lung cancer.

Secondary

  • Determine treatment-related toxicity in patients treated with this therapy.
  • Determine disease-free survival, overall survival, and patterns of failure in patients treated with this therapy.

OUTLINE: This is a multicenter study.

Patients receive 3 fractions of stereotactic body radiotherapy over 8-14 days in the absence of disease progression or unacceptable toxicity.

Patients are followed up at 6 and 12 weeks, every 3 months for 2 years, every 6 months for 2 years, and then annually thereafter.

PROJECTED ACCRUAL: A total of 52 patients will be accrued for this study within 26 months.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

DISEASE CHARACTERISTICS:

  • Histologically or cytologically confirmed non-small cell lung cancer (NSCLC)
  • The following primary cancer subtypes are eligible:
  • Squamous cell carcinoma
  • Adenocarcinoma
  • Large cell carcinoma
  • Bronchoalveolar cell carcinoma
  • Non-small cell carcinoma not otherwise specified
  • Stage I or II disease based on 1 of the following tumor node metastasis (TNM) stage criteria:
  • T1, N0, M0
  • T2 (≤ 5 cm), N0, M0
  • T3 (≤ 5 cm), N0, M0 (chest wall primary tumors only)
  • No primary tumor of any T-stage within or touching the zone of the proximal bronchial tree* NOTE: *Defined as a volume 2 cm in all directions around the proximal bronchial tree (carina, right and left main bronchi, right and left upper lobe bronchi, intermedius bronchus, right middle lobe bronchus, lingular bronchus, and right and left lower lobe bronchi)
  • No primary T3 tumors involving the central chest (≤ 2 cm toward carina invasion) or structures of the mediastinum
  • Any hilar or mediastinal lymph nodes > 1 cm on CT scan OR demonstrating suspicious uptake on positron-emission tomography scan must be biopsied and confirmed negative for NSCLC
  • The primary tumor must be deemed technically resectable with a reasonable possibility of obtaining a gross total resection with negative margins (defined as a potentially curative resection (PCR))
  • Deemed medically inoperable based on pulmonary function for surgical resection of NSCLC secondary to an underlying physiological problem, including any of the following medical conditions*:
  • Baseline forced expiratory volume (FEV)_1< 40% of predicted
  • Postoperative predicted FEV_1 < 30% of predicted
  • Severely reduced diffusion capacity
  • Baseline hypoxemia and/or hypercapnia
  • Exercise oxygen consumption < 50% of predicted
  • Severe pulmonary hypertension
  • Diabetes mellitus with severe end organ damage
  • Severe cerebral, cardiac, or peripheral vascular disease
  • Severe chronic heart disease NOTE: *Patients who refuse a PCR due to preference, ideology, emotional or psychological issues, mental illness, or inability to give informed consent are not eligible
  • No evidence of regional or distant metastases

PATIENT CHARACTERISTICS:

Age

  • 18 and over

Performance status

  • Zubrod 0-2

Life expectancy

  • Not specified

Hematopoietic

  • Not specified

Hepatic

  • Not specified

Renal

  • Not specified

Cardiovascular

  • See Disease Characteristics
  • No active pericardial infection

Pulmonary

  • See Disease Characteristics
  • No active pulmonary infection

Other

  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile patients must use effective contraception
  • No active systemic infection
  • No other concurrent illness that would preclude study participation

PRIOR CONCURRENT THERAPY:

Biologic therapy

  • No concurrent biologic therapy
  • No concurrent vaccine therapy

Chemotherapy

  • No concurrent chemotherapy

Endocrine therapy

  • Not specified

Radiotherapy

  • No prior lung or mediastinal radiotherapy
  • No concurrent standard fractionated radiotherapy
  • No concurrent intensity modulated radiotherapy
  • No concurrent cobalt-60 or charged particle beams (including electrons, protons, or heavier ions)

Surgery

  • See Disease Characteristics
  • No concurrent surgery

Other

  • No other concurrent antineoplastic therapy

Treatment and study plan

Stereotactic Body Radiation Therapy

Radiation

Primary outcomes

  1. Local Control at 2 Years

    Time frame: From the start of treatment to 2 years

    Local control is defined as absence of local failure, which is defined as the combination of primary tumor failure (PTF) or involved lobe failure (ILF). PTF was defined based on meeting two criteria: 1. Local enlargement defined as ≥ 20% increase in the longest diameter of the gross tumor volume (GTV) per computerized tomography (CT), and 2. Evidence of tumor viability. Tumor viability could be affirmed by either demonstrating positron emission tomography (PET) imaging with uptake of a similar intensity as the pretreatment staging PET, or by repeat biopsy confirming carcinoma. PTF included marginal failures occurring within 1 cm of the planning target volume (PTV). ILF is defined as failure beyond the primary tumor but within the involved lobe. Local control time is defined as time from start of treatment to the the date of local recurrence, last known follow-up (censored), or death without local failure (censored). Rates are estimated using the Kaplan-Meier method.

Secondary outcomes

  1. Proportion of Subjects With Specified Adverse Events

    Time frame: From randomization to last follow-up. Analysis occurred after all patients had been on study for at least 2 years. Maximum follow-up at time of analysis was 4.2 years.

    Specified adverse events are defined as any treatment-related adverse events that are grade 4, grade 5, or any of the following treatment-related grade 3 adverse events:

    • Gastrointestinal: dysphagia, esophagitis, esophageal stricture, esophageal ulceration;
    • Cardiac: pericarditis, pericardial effusion, cardiomyopathy, ventricular dysfunction;
    • Neurologic: myelitis, neuropathy (cranial and motor)
    • Hemorrhage: pulmonary or upper respiratory
    • Pulmonary: decline in pulmonary function as measured by pulmonary function tests, pneumonitis, pulmonary fibrosis, hypoxemia, pleural effusion.

    Adverse events are graded using CTCAE v3.0. Grade refers to the severity of the AE. The Common Terminology Criteria for Adverse Events (CTCAE) v3.0 assigns Grades 1 through 5 with unique clinical descriptions of severity for each AE based on this general guideline: Grade 1 Mild AE, Grade 2 Moderate AE, Grade 3 Severe AE, Grade 4 Life-threatening or disabling AE, Grade 5 Death related to AE.

  2. Rate of Local Recurrence at 2 Years

    Time frame: From the start of treatment to 2 years

    Local failure is defined as the combination of primary tumor failure (PTF) or involved lobe failure (ILF). PTF was defined based on meeting two criteria: 1. Local enlargement defined as ≥ 20% increase in the longest diameter of the gross tumor volume (GTV) per computerized tomography (CT), and 2. Evidence of tumor viability. Tumor viability could be affirmed by either demonstrating positron emission tomography (PET) imaging with uptake of a similar intensity as the pretreatment staging PET, or by repeat biopsy confirming carcinoma. PTF included marginal failures occurring within 1 cm of the planning target volume (PTV). ILF is defined as failure beyond the primary tumor but within the involved lobe. Time to local recurrence is defined as time from start of treatment to the the date of local recurrence, last known follow-up (censored), or death without local recurrence (censored).

  3. Rate of Regional Recurrence at 2 Years

    Time frame: From the start of treatment to 2 years

    Regional recurrence is defined as hilar, mediastinal, and supraclavicular nodal failure.Time to regional recurrence is defined as time from start of treatment to the date of first regional recurrence, last known follow-up (censored), or death without regional recurrence (competing risk). Rates are estimated using the cumulative incidence method.

  4. Rate of Disseminated Recurrence at 2 Years

    Time frame: From the start of treatment to 2 years

    Disseminated recurrence is defined as uninvolved lobe failures and failures beyond the lungs and regional lymph nodes. Time to disseminated recurrence is defined as time from start of treatment to the the date of disseminated recurrence, last known follow-up (censored), or death without disseminated recurrence (competing risk). Rates are estimated using the cumulative incidence method.

  5. Rate of Disease-free Survival at 2 Years

    Time frame: From the start of treatment to 2 years

    Disease is defined as local or regional progression or development of distant metastases. Disease-free survival time is defined as time from start of treatment to the date of disease, death, or last known follow-up (censored). Disease-free survival rates are estimated using the Kaplan-Meier method.

  6. Rate of Overall Survival at 2 Years

    Time frame: From the start of treatment to 2 years

    Overall survival time is defined as time from start of treatment to the date of death from any cause. Overall survival rates are estimated by the Kaplan-Meier method. Patients last known to be alive are censored at the date of last contact.

Sponsors and collaborators

Lead sponsor

Radiation Therapy Oncology Group

Network

Collaborators

  • National Cancer Institute (NCI)

Registry information

Official study title

A Phase II Trial of Stereotactic Body Radiation Therapy (SBRT) in the Treatment of Patients With Medically Inoperable Stage I/II Non-Small Cell Lung Cancer

Important dates

Study start
2004
Primary completion
2010
Study completion
2016
First posted
Jul 12, 2004
Registry last updated
Jan 16, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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