Short Course Neoadjuvant Chemo-radiotherapy Plus Toripalimab for Locally Advanced Resectble Squamous Cell Carcinoma of Esophagus (SCALE-2)

  • End date
    Dec 31, 2024
  • participants needed
  • sponsor
    Jiangsu Cancer Institute & Hospital
Updated on 12 July 2022


Adding PD-1 inhibitors to neoadjuvant chemoradiotherapy has shown promising results in locally advanced resectable esophageal squamous cell carcinoma (ESCC). However, there is a need to explore safer and more effective treatment doses and schedules. This is an open labeled, prospective, single-arm phase II trial to evaluate the safety and efficacy of the short course neoadjuvant chemo-radiotherapy plus Toripalimab for locally advanced resectble ESCC.


Although neoadjuvant chemoradiotherapy (CRT) followed by surgery has become the standard treatment option for locally advanced ESCC, prognosis of these patients is still poor. Adding PD-1/PD-L1 checkpoints inhibitor to neoadjuvant chemoradiotherapy (CRT) have shown potential benefit in locally advanced resectble ESCC. However, the conventional radiation dose may lead to irreversible toxicity. There is need to explore more effective and safer treatment doses and schedules for this combination.

The investigators proposed a novel strategy (short course neoadjuvant radiotherapy plus preoperative chemotherapy and toripalimab, the SCALE strategy) for the treatment of locally advanced resectble ESCC. In the phase Ib SCALE-1 (ChCTR2100045104) study, 23 patients were enrolled and 20 patients had undergone surgery after the preoperative treatment. The preliminary results showed that the SCALE strategy was safe and induced a pCR and MPR in 55% and 80% of resected tumors, respectively. In this prospective, phase II study, the investigators will further evaluate the safety and efficacy of the SCALE strategy in locally advanced resectble ESCC. This study will provide valuable information for further clinical use of SCALE strategy in locally advanced resectble ESCC.

Condition Locally Advanced Esophageal Carcinoma
Treatment Neoadjuvant Chemotherapy, Neoadjuvant Toripalimab, Short Course Neoadjuvant Radiotherapy
Clinical Study IdentifierNCT05424432
SponsorJiangsu Cancer Institute & Hospital
Last Modified on12 July 2022


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Inclusion Criteria

Be able to provide written informed consent and understand and agree to follow the research requirements and evaluation schedule
Endoscopic biopsy of thoracic esophageal primary lesion histologically diagnosed as squamous cell carcinoma
Clinical stage T1-4aN+M0 or T3-4aN0M0 in the UICC-TNM classification 8th edition
The age is over 20 years old and under 75 on the enrollment date (including 20 and 75), including both female and male
PS 0-1
According to RECIST version 1.1, there were measurable or evaluable lesions
No medical history of treatment for cancer (No medical history of chemotherapy, radiotherapy and endocrine therapy, immune-therapy or other study drugs including treatment for other types of cancer)
The results of laboratory tests within 14 days before enrollment meet the inclusion criteria:(patients should not receive blood transfusion or growth factor support because neutrophil count, platelet or hemoglobin are lower than the research requirements within 14 days before blood sample collection)
Bone marrow function: hemoglobin (Hb) >=90g/L; white blood cell count (WBC) >= lower limit of normal value; absolute neutrophil value (ANC) >= 1.5x10^9 /L; platelet count >= 100x10^9 / L
Renal function: Cr <= 1.5 UNL, endogenous creatinine clearance rate (Ccr) >= 60 ml/min(Cockcroft-Gault)
Liver function: total bilirubin <= 1.5 ULN; ALT and AST <= 2.5 ULN (patients with liver metastases can be relaxed to <=5 ULN)
Blood coagulation function: the international standardized ratio of prothrombin time <= 1.5 ULN, and the partial thromboplastin time is within the normal range
Patients with hepatitis B virus (HBV) infection, inactive / asymptomatic HBV carriers
or patients with chronic or active HBV will be allowed to be enrolled if HBV
DNA < 500 IU / ml (or 2500 copies / ml) at screening. Patients with positive
hepatitis C antibody will be allowed to be enrolled if HCV-RNA is negative
during [screening.Note:patients](ftp://screening.Note/patients) who can detect
hepatitis B surface antigen (HBsAg) or HBV DNA should be treated with
antiviral drugs for more than 2 weeks before enrollment, and the treatment
should be continued for 6 months after the study drug treatment
Women of childbearing age (wocbp) should take the urine or serum pregnancy test, and the result of which should be negtive within ≤ 72 hours before treatment. For females, who have agreed with contraception from start of investigational drug administration to 5 months after last dose of investigational drug. For males who have agreed with contraception from start of investigational drug administration to 7 months after last dose of investigational drug

Exclusion Criteria

Have received any treatment for esophageal squamous cell carcinoma in the past
Patients with evidence or high risk of gastrointestinal hemorrhage or fistula (esophagus / bronchus or esophagus / aorta)
Patients with severe malnutrition, with body mass index lower than 18.5kg/m2, or PG-SGA score ≥9;
Any active autoimmune disease or history of autoimmune disease (as follows, but not limited to: interstitial pneumonia, uveitis, enteritis, autoimmune hepatitis, pituitritis, vasculitis, nephritis, hyperthyroidism, thyroid dysfunction); Subjects with vitiligo or who have had complete remission from childhood asthma without any intervention after adulthood may be included; Asthma requiring medical intervention with bronchodilators was not included
Has a previous radiotherapy, chemotherapy, hormone therapy, surgery, molecular targeted therapy or immune therapy for this malignancy or for any other past malignancy
Any condition requiring systemic corticosteroid therapy (prednisone with a dose higher than 10 mg / day or equivalent dose of similar drugs) or other immunosuppressants within 14 days before treatment. (Excluding the following steroid regimens:Local, ophthalmic, intra-articular, nasal and inhaled corticosteroids with minimal systemic absorption;Prophylactic short-term (≤ 7 days) use of corticosteroids (e.g., prevention of contrast media allergy) or for the treatment of non-autoimmune disorders (e.g., delayed hypersensitivity caused by exposure to allergens)
Live vaccine injection was received in ≤ 4 weeks before treatment
A history of immunodeficiency, including HIV infection, other acquired or congenital immunodeficiency, or a history of organ or bone marrow implantation that need immunosuppressive medications
There are clinical symptoms or diseases of the heart that are not well controlled, such as: 1). heart failure above grade 2 by the Criteria of NYHA; 2). unstable angina pectoris; 3). myocardial infarction occurred within 1 year; 4). Clinically meaningful supraventricular or ventricular arrhythmias require treatment or intervention
Has severe infections (CTCAE>2 grade)within 4 weeks before treatment; basal thoracic imaging indicating active pneumonia, or other infectious situation that need oral or intravenous antibiotic treatment (excluding Prophylactic medication for antibiotics)
A history of interstitial lung disease, non-infectious pneumonia or uncontrolled disease, including pulmonary fibrosis, acute lung disease, etc
Has active pulmonary tuberculosis found by CT imaging; or has active pulmonary tuberculosis less than 1 year before inclusion; or has active pulmonary tuberculosis but without standard treatment over 1 year before inclusion
Allergic to any drug used in this study
Pregnant or lactating women;participants who unwilling to take contraception
Other factors that could lead to the termination of this study
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