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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00832780
Other study ID # INST 0810
Secondary ID NCI-2011-02943
Status Completed
Phase N/A
First received
Last updated
Start date January 2008
Est. completion date December 2018

Study information

Verified date May 2021
Source New Mexico Cancer Care Alliance
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine the response of lung tumors to radiation therapy. This study will be using a type of radiation therapy called tomotherapy. Tomotherapy is a relatively new kind of therapy which is able to focus a large amount of radiation to a small area with relatively less radiation to the surrounding non-cancerous part of the organ. This study is being done to find out if this technique is able to control the cancer better or not than the standard radiation and also to study its safety.


Description:

The introduction of stereotactic body radiation therapy (SBRT) has allowed safe dose escalation in treatment regimens for cancer. Several studies have shown a radiation dose-response relationship for survival and local control for tumors of the lung, including cancer that originates in the lung (such as non-small cell lung cancer) as well as cancer that metastasizes to the lung. The purpose of this study is to determine the response rate and toxicity of SBRT treatment of patients with lung tumors. This study will use a dose of 60 gray (Gy) in 5 fractions of 12 Gy. This provides a biological equivalent dose with alpha/beta ratio of 10 (BED10) of 132 Gy with the anticipation of achieving local control without increased toxicity. Previous studies have shown that the response rate with SBRT across multiple studies is approximately 50%, with an additional 25-40% of patients having stable disease. We hypothesize that this regimen will achieve a response rate of 70% with grade 3 toxicity of less than 5%.


Recruitment information / eligibility

Status Completed
Enrollment 44
Est. completion date December 2018
Est. primary completion date December 2015
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Histologic confirmation of non small cell lung cancer or other solid primary tumor metastatic to lungs 2. Medically inoperable stage I or II non small cell lung cancer with negative lymph nodes or metastatic cancer to lung with less than or equal to 3 lesions 3. Age greater than or equal to 18 years old 4. Zubrod performance status less than or equal to 1 5. Negative pregnancy test for women of child bearing potential 6. Informed consent 7. Each lesion must be less than or equal to 5 cm in maximal diameter and multiple lesions must be less than or equal to 18 cm for the sum of the diameters in 3 dimensions. Example: 3 lesions each 2+2+2 cm have an aggregate diameter of 18 cm which is acceptable. 8. No prior radiation to lesions being treated 9. For metastatic disease to lung, primary tumor needs to be controlled (no evidence of progression on imaging for at least 2 months). Exclusion Criteria: 1. Contraindications to radiation 2. Within or touching the zone of proximal bronchial tree 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, right and left lower lobe bronchi) 3. Pregnant or lactating females who chose to breast feed 4. Patients must have recovered from toxicity of prior therapy 5. Any co morbid condition that' in the view of the attending physician' renders the patient at high risk from treatment complications 6. Cytologically positive pleural effusion

Study Design


Intervention

Radiation:
Stereotactic Body Radiation
A total of 60 Gy using 12 Gy per fraction over 5 fractions to be given within 10 calendar days. Each fraction of 12 Gy will be divided into 2 fractions of 6 Gy given in one day within 6 hours. Dose will be prescribed to the isodose line which covers at least 90% of the planning target volume. Dose homogeneity +/- 5%.

Locations

Country Name City State
United States Universtiy of New Mexico Comprehensive Cancer Center Albuquerque New Mexico

Sponsors (1)

Lead Sponsor Collaborator
New Mexico Cancer Care Alliance

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Response Rate (RR): RR is evaluated according to Response Evaluation Criteria in Solid Tumors (RECIST) (version 1.0). Target lesions are assessed by computerized tomography (CT): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions. RR is the sum of the percentage of patients who achieved a CR or PR. (RR = CR + PR) 2 years
Secondary Treatment Related Toxicity Toxicity will be evaluated per National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE), version 3.0. Frequency and severity of adverse events will be tabulated and reported. 2 years
Secondary Overall Survival (OS) The time from treatment initiation to death by any cause up to 67 months
Secondary Progression Free Survival (PFS) The time from treatment initiation to disease progression or death by any cause. Progression is evaluated according to Response Evaluation Criteria in Solid Tumors (RECIST) (version 1.0). Target lesions are assessed by computerized tomography (CT): Progressive Disease (PD), 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions. 2 years
Secondary Clinical Benefit Rate (CBR) CBR is evaluated according to Response Evaluation Criteria In Solid Tumors (RECIST) version 1.0. Complete response (CR): Disappearance of all evidence of target and non-target lesions. Partial response (P): >= 30% reduction from baseline in the sum of the longest diameter of all lesions. Stable Disease (SD): Neither sufficient increase to qualify for PD nor sufficient shrinkage to qualify for PR. CBR is the sum of the percentage of patients who achieve a CR, PR or SD (CBR = CR + PR + SD). 2 years
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