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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06311968
Other study ID # SPHIC-TR-THLC2023-07
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date April 1, 2024
Est. completion date February 28, 2027

Study information

Verified date March 2024
Source Shanghai Proton and Heavy Ion Center
Contact Jing Li
Phone 86-21-38296678
Email jing.li@sphic.org.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To observe the efficacy and toxicities of post-operative (R0/R1) proton radiotherapy for locally advanced primary thymus epithelial malignancies. The primary endpoint was progression-free survival and toxicities, and the secondary endpoint was overall survival and cause-specific survival.


Description:

Patients who received R0 resection will receive 45GyE per 18 fractions proton irradiation. Patients who received R1 resection will receive 50GyE per 20 fractions proton irradiation. Patients with thymus cancer should receive combined platinum based chemotherapy (including etoposide combined with cisplatin / carboplatin / loplatin / nedaplatin, paclitaxel combined with cisplatin / carboplatin / loplatin / nedaplatin, Docetaxel combined with cisplatin / carboplatin / loplatin / nedaplatin) for at least 4 cycles. The primary endpoint was progression-free survival and toxicities, and the secondary endpoint was overall survival and cause-specific survival.


Recruitment information / eligibility

Status Recruiting
Enrollment 55
Est. completion date February 28, 2027
Est. primary completion date February 28, 2027
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria: - Patients with stage II-III (Masaoka-Koga) thymus epithelial malignancies without a history of thoracic radiation therapy, who have undergone radical surgery and have a definite pathological diagnosis, and undergone surgery for R0 (no microscopic residual disease) or R1 (microscopic residual disease) resection, and have indication of postoperative radiation therapy. - Sign informed consent. - Between the ages of 18 and 70. - ECOG general status score of 0-2. - The expected survival is at least 6 months. - Adequate organ function: 1). Blood function: absolute neutrophil count (ANC) =1.5 x 109/L, platelet count =80 x 109/L, hemoglobin =9 g/dL 2). Lung function: FEV1>25%, DLCO>25% 3). Cardiac function: no serious pulmonary hypertension, cardiovascular and cerebrovascular diseases, peripheral vascular diseases, serious chronic heart disease and other complications that may affect radiotherapy.4). Adequate liver function: total bilirubin <1.5 times the upper limit of normal value, and AST, ALT<2 times the upper limit of normal value. 5). Adequate renal function: serum creatinine =1.5 times the upper limit of normal or calculated creatinine clearance =50 ml /min, and urinary protein <2+. Patients with a baseline urinary protein level of 2+ or more should have a 24-hour urine collection and evidence of a 24-hour urinary protein level of 1g or less. Exclusion Criteria: - Complicated with other malignant tumors that have not been controlled. - Have large quantity of pleural or pericardial effusion. - Patient whose particle radiotherapy plan cannot meet the minimum target dose coverage and dose volume limitation requirements, or cannot meet the dose constrains of normal tissue or organs. - Chest radiation therapy or radioactive particle implantation history. - Cardiac pacemakers or other internal metal prosthesis implants that may be affected by high-energy radiation or may affect the dose distribution to the radiation target area. - HIV positive. Hepatitis virus replication phase, need to receive antiviral therapy, but because of concomitant disease cannot receive antiviral therapy. Active stage of syphilis. - A history of mental illness may hinder the completion of treatment. - With serious comorbidity that may interfere with radiotherapy, including: (a) Acute infectious diseases or acute active phase of chronic infection. b) Unstable angina pectoris, congestive heart failure, myocardial infarction that has been hospitalized in the past 6 months. c) Exacerbations of chronic obstructive pulmonary disease or other respiratory conditions requiring hospitalization. d) Severely impaired immune function. e) Diseases with excessive sensitivity to radiation such as ataxia telangiectasia. f) Other diseases that may affect particle radiotherapy. - Other circumstances that the physician considers inappropriate to participate in clinical study.

Study Design


Related Conditions & MeSH terms


Intervention

Radiation:
Proton radiotherapy
Patients who received R0 resection will receive 45GyE per 18 fractions proton irradiation. Patients who received R1 resection will receive 50GyE per 20 fractions proton irradiation. Patients with thymus cancer should receive combined platinum based chemotherapy (including etoposide combined with cisplatin / carboplatin / loplatin / nedaplatin, paclitaxel combined with cisplatin / carboplatin / loplatin / nedaplatin, Docetaxel combined with cisplatin / carboplatin / loplatin / nedaplatin) for at least 4 cycles.
Other:
combined platinum based chemotherapy
combined platinum based chemotherapy

Locations

Country Name City State
China Shanghai Proton and Heavy Ion Center Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Jian Chen

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Disease progression-free survival rate Disease progression-free survival rate was defined from the start of carbon ion radiotherapy till the date of disease progression at any site or death, or the last follow up. From date of radiotherapy started until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 100 months.
Primary Incidence of Treatment-induced Adverse Events Treatment-induced toxicities were scored using the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0, for events observed after the first dose of irradiation. Toxicities occurred 90 or more days after the completion of CIRT were defined as late toxicities. From date of radiotherapy started, every 3-4 months within the first 2 years, every 6 months between years 3 and 5, and annually thereafter, assessed up to 100 months.
Secondary Overall survival rate Overall survival rate was defined from the start of carbon ion radiotherapy till the date of death or the last follow-up. From date of radiotherapy started until the date of death from any cause, assessed up to 100 months.
Secondary Cause-specific survival rate Cause-specific survival rate was defined from the start of carbon ion radiotherapy till the date of death caused by non-small cell lung cancer treated in this study or the last follow-up. From date of radiotherapy started until the date of death caused by non-small cell lung cancer treated in this study, assessed up to 100 months.
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