- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05292027
Neoadjuvant Chemotherapy and Low-dose Radiotherapy Sequential Concurrent Chemoradiotherapy for Locally Advanced Nasopharyngeal Carcinoma
Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Nasopharyngeal carcinoma(NPC)is common malignant tumor in China. The incidence of NPC in most parts of the world and the country is less than 1/10 million, but the incidence rate in China's Guangdong, Guangxi, Fujian and other southern provinces is as high as 33/10 million. According to the statistics of the international cancer research center, there were about 129000 new cases of nasopharyngeal carcinoma in 2018.The pathogenesis of NPC is caused by many factors: heredity, environment and virus infection. Among them, EB virus is closely related to the pathogenesis of NPC. Generally, there are more men than women, with a ratio of 2 ~ 3:1. In high incidence area, nasopharyngeal carcinoma has great harm to middle-aged and young people, and incidence rate and mortality rate increase significantly after 30 years old. 50~60 years old is the highest peak. More than 70% of patients were in advanced stage at the first diagnosis.
At present, the main treatment for locally advanced nasopharyngeal carcinoma is platinum based neoadjuvant chemotherapy combined with concurrent chemoradiotherapy. Radiotherapy is the main treatment of nasopharyngeal carcinoma. With the application of intensity modulated radiotherapy, the 5-year local control and regional recurrence free survival rate of nasopharyngeal carcinoma have been increased to more than 83%. However, recurrence and distant metastasis after standard treatment are the main causes of failure. About 40% of patients with locally advanced nasopharyngeal carcinoma have recurrence and distant metastasis after receiving standard treatment. A large number of clinical studies and meta-analysis show that induction chemotherapy combined with concurrent chemoradiotherapy can significantly improve the progression free survival rate and overall survival rate compared with concurrent chemoradiotherapy alone. Induction chemotherapy can reduce the risk of systemic recurrence and metastasis by controlling the occurrence of tumor. Based on the above research, neoadjuvant chemotherapy for locally advanced nasopharyngeal carcinoma has been written into the national comprehensive cancer network(NCCN) of the United States and the Chinese Clinical Oncology(CSCO) guidelines. In addition, studies have shown that the transverse diameter of retropharyngeal lymph nodes, lymph node zoning, lymph node envelope invasion, edge enhancement, necrosis, fusion and the number of lymph nodes are the main factors of failure after standard treatment. In recent years, a large number of studies are exploring various radiotherapy strategies, such as changing the mode of radiotherapy segmentation and hypersensitivity (HRS), in order to further improve local control and survival. Therefore, the investigators plan to carry out a randomized, controlled phase II prospective clinical study of neoadjuvant chemotherapy combined with low-dose radiotherapy and sequential concurrent radiotherapy and chemotherapy in the treatment of locally advanced nasopharyngeal carcinoma.
Joiner recognized the potential of low-dose fractionated radiotherapy as early as 20 years ago. Namely: high radiosensitivity (HRS), which means that the initial dose can produce radiosensitivity from 0 to 80 cGy. Low-dose fractionated radiation therapy (LDFRT) is a unique radiobiological phenomenon. This phenomenon reports that the effect of induced chemotherapy can be increased by reducing MDR-1 and overcoming the antiapoptotic effect of Bcl-2, resulting in the death of nuclear factors kappa-b29 and p53.This radiation is different from conventional fractionated or large fractionated radiotherapy. Conventional segmentation or high-dose segmentation will not only kill tumor cells, but also make tumor cells resistant to radiation. Studies have shown that low-dose radiotherapy (LDFRT) in the range of 50 - 80 cGy can be used as a chemical sensitizer to enhance the effect of chemotherapy, increase tumor response and improve local control.
At present, clinical studies have reported that in locally advanced Squamous cell carcinoma of head and neck(SCCHN), the clinical experiment of induction chemotherapy (paclitaxel + carboplatin) combined with LDFRT has achieved preliminary success, and showed that the optimal dose is 50-80cGy 4 times / day. Importantly, it did not increase the toxic and side effects of induction chemotherapy. Subsequently, the results of a long-term SCCHN trial reported that the primary endpoint complete response rate (CR), secondary endpoint overall survival (OS), progression free survival (PFS) and toxicity of LDFRT combined with induction chemotherapy had clinical significance. In breast cancer research, LDFRT can delay tumor progression by deactivating JAK1/STAT3 pathway and inhibit breast cancer cell self-renewal, resulting in a weakening of CD44/CD24. This provides a choice for future treatment strategies to prevent breast cancer metastasis. In addition, LDFRT also has a certain therapeutic effect on recurrent and multiple refractory mantle cell lymphoma (MCL), and shows that low-dose radiotherapy combined with chemotherapy is safe. LDFRT can provide lasting local control by treating the active part of the disease, achieve focal remission, and provide opportunities for patients' subsequent treatment. At present, the role of LDFRT in locally advanced nasopharyngeal carcinoma is still unclear. Whether it can improve the efficacy of neoadjuvant chemotherapy is worth exploring.
In conclusion, neoadjuvant chemotherapy combined with LDFRT provides a new idea for tumor treatment. Low dose fractionated radiotherapy is used to enhance the objective remission rate of induction chemotherapy, make high-risk tumor lesions become the target area, and up regulate the apoptotic proteins bax and bcl-x in the microenvironment to achieve the greatest benefit. Therefore, it is of great clinical value to explore the application of neoadjuvant chemotherapy combined with low-dose radiotherapy (LDFRT) sequential concurrent chemoradiotherapy in locally advanced nasopharyngeal carcinoma (NPC).
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Voluntarily participate and sign the informed consent form of the study in writing
- Age 18-70 years old, regardless of gender
- Pathological biopsy confirmed nasopharyngeal squamous cell carcinoma
- Initial treatment
- There are lesions that can be measured according to RECIST standard
- KPS score ≥ 80
- Estimated survival ≥ 6 months
- The urine pregnancy test was negative (female), and contraceptive measures were taken from the test period to 3 months after the end of the test
- Sufficient hematopoietic function: WBC ≥ 4 × 109/L,Hb≥100g/L,PLT≥100 × 109/L
- Liver function: ALAT / ASAT < 1.5 times of ULN, bilirubin < 1.5 × ULN
- Renal function: serum creatinine < 1.5 × ULN
- No distant metastasis
- Lymph nodes meet one of them: the shortest diameter of the largest lymph node is more than 3cm, or the lymph node is invaded outside the capsule, or the lymph node is liquefied, necrotic, calcified and fused
- The clinical stage was N2-3 (AJCC / UICC 8th Edition) locally advanced nasopharyngeal carcinoma
- According to the judgment of the researcher, the patient is considered to be able to comply with the protocol.
Exclusion Criteria:
- There is evidence of distant metastasis
- The primary tumor or lymph node has been treated surgically (except biopsy)
- Patients with primary focus or lymph nodes who have received radiotherapy
- Those who have received epidermal growth factor targeted therapy
- The primary focus has received chemotherapy or immunotherapy
- Other malignant tumors (except non melanoma skin cancer or cervical carcinoma in situ)
- Subjects who have received other drug trials in recent 1 month
- Pregnant or lactating women and women of childbearing age who refuse contraception during the treatment observation period
- Have a serious history of allergy or special constitution
- A history of severe lung or heart disease or serious complications, such as uncontrollable hypertension and heart failure
- Refusal or inability to sign informed consent to participate in the trial
- Drug or alcohol addicts
- Having personality or mental illness, no civil capacity or limited civil capacity
- Creatinine clearance < 30ml / min
- Active systemic infection
- At the same time, they received chronic systemic immunotherapy or hormone therapy other than this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: low-dose radiotherapy group
Neoadjuvant chemotherapy combined with low-dose radiotherapy sequential concurrent chemoradiotherapy
|
On the first and second days of induction chemotherapy, lymph nodes were irradiated with 0.5Gy bid for 4 times.
|
No Intervention: control group
Neoadjuvant chemotherapy sequential concurrent chemoradiotherapy
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The objective remission rate
Time Frame: assessed up to 1 month
|
Efficacy evaluation .The main indicator is objective remission rate (ORR=CR+PR)
|
assessed up to 1 month
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Adverse events and reactions were evaluated according to NCI CTCAE version 3.0
Time Frame: assessed up to 1 month
|
Safety evaluation
|
assessed up to 1 month
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Pharyngeal Neoplasms
- Otorhinolaryngologic Neoplasms
- Head and Neck Neoplasms
- Nasopharyngeal Diseases
- Pharyngeal Diseases
- Stomatognathic Diseases
- Otorhinolaryngologic Diseases
- Nasopharyngeal Neoplasms
- Carcinoma
- Nasopharyngeal Carcinoma
Other Study ID Numbers
- Ahead-NC-202201
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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