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Whole-target Consolidation Therapy Under Systemic Therapy for Oligometastatic Nasopharyngeal Carcinoma

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Sun Yat-sen University

Status and phase

Enrolling
Phase 2

Conditions

Nasopharyngeal Carcinoma

Treatments

Drug: Camrelizumab, gemcitabin, cisplatin
Radiation: Stereotactic Body Radiotherapy, Intensity modulated-radiotherapy

Study type

Interventional

Funder types

Other

Identifiers

NCT05431764
SYSUCC-SBRT2022

Details and patient eligibility

About

In this exploratory clinical trial, patients with newly diagnosed distant metastatic nasopharyngeal carcinoma were treated with gemcitabine+ cisplatin+PD-1 inhibitor regimen followed by whole-target radiotherapy (IMRT for local regional lesion, SBRT for distant metastasis) and PD-1 inhibitor long-term maintenance regimen. To investigate the efficacy and safety of "whole target" radiotherapy combined with immuno-maintenance therapy.

Full description

This exploratory clinical trial will evaluate tumor control rate, survival, and safety of newly diagnosed distant metastatic nasopharyngeal carcinoma by further adding local regional IMRT, distant metastatic SBRT and immuno-maintenance therapy to the standard regimen of gemcitabine+ cisplatin+ PD-1 inhibitor (historical data). To explore whether the "full target" model can be a better comprehensive therapy for the initial diagnosed distant metastatic nasopharyngeal carcinoma in the era of immunotherapy.

Enrollment

38 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male or female; 18-70 years of age.

  2. Had histopathologically confirmed nonkeratinizing metastatic NPC that was diagnosed as stage IVb NPC (AJCC, 8th; the metastatic tissue biopsy is preferred, not necessary).

  3. Patients who had not received anti-tumor therapy for nasopharyngeal cancer before this clinical trial.

  4. Patients evaluated to have a partial response (PR) or stable disease (SD) by head and neck MRI and PET/CT after 3 months of locoregional radiotherapy, and the metastatic lesions were assessed as oligometastatic lesions (the number of total metastatic lesions no more than 5 and the number of metastatic lesions within a single organ no more than 3).

  5. Stereotactic body radiotherapy applicable for all metastatic lesions according to MDT.

  6. ECOG performance status of 0 or 1.

  7. Maximum diameter of brain metastatic lesion no more than 3cm.

  8. Maximum diameter of metastatic lesion (brain excluded) no more than 5cm.

    • Maximum diameter of bone metastatic lesion no more than 6cm if attending doctor decides it is safe to apply the treatment.
  9. Life expectancy more than 6 months.

Exclusion criteria

  1. History of severe hypersensitivity to any ingredient of PD-1/PD-L1 or other monoclonal antibody.
  2. chemotherapy (cytotoxic or molecular targeted) within 4 weeks before stereotactic body radiotherapy.
  3. Imageological evidence for spinal cord compression, or tumor less than 3mm away from spinal cord.
  4. Patient with brain metastasis who needs decompression surgery.
  5. Other malignancy or malignant hydrothorax.
  6. Concurrent known or suspicious autoimmune disease, including dementia and epilepsy.
  7. CHD no less than grade 2, arrhythmia (QTc interval over 450ms for male and 470ms for female) or cardiac insufficiency.
  8. Use of large dose corticosteroids within 4 weeks before study drug administration.
  9. Concurrent medical condition requiring the use of immunosuppressive medications, or immunosuppressive doses of systemic or absorbable topical corticosteroids.
  10. Active tuberculosis (TB), anti-TB treatment is ongoing or within 1 year prior to screening
  11. Subjects with any active autoimmune disease or history of autoimmune disease, or history of syndrome that requires systemic steroids or immunosuppressive medications, including but not limited to the following: rheumatoid arthritis, pneumonitis, colitis (inflammatory bowel disease), hepatitis, hypophysitis, nephritis, hyperthyroidism, and hypothyroidism, except for subjects with vitiligo or resolved childhood asthma/atopy.
  12. Has a known history of human immunodeficiency virus (HIV), has hepatitis B surface antigen (HBsAg) positive with hepatitis B virus (HBV) DNA copy number of ≥1000cps/ml or hepatitis C virus (HCV) antibody positive.
  13. Received any anti-infective vaccine (e.g. influenza vaccine, varicella vaccine, etc.) within 4 weeks prior to enrollment.
  14. Pregnancy or lactation.
  15. Other ineligible patients according to attending doctor.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

38 participants in 1 patient group

Camrelizumab Plus Stereotactic Body Radiotherapy
Experimental group
Description:
Patients were treated with gemcitabine, cisplatin and camrelizumab for 6 cycles, followed by whole-target radiotherapy (IMRT for locoregional lesion and SBRT for oligometastatic lesions) and camrelizumab maintenance therapy.
Treatment:
Radiation: Stereotactic Body Radiotherapy, Intensity modulated-radiotherapy
Drug: Camrelizumab, gemcitabin, cisplatin

Trial contacts and locations

1

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Central trial contact

Ming-Yuan Chen, MD, PhD; Rui You, MD, PhD

Data sourced from clinicaltrials.gov

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