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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06143748
Other study ID # B2023-425
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date March 2, 2024
Est. completion date December 31, 2027

Study information

Verified date March 2024
Source Sun Yat-sen University
Contact Mian Xi, MD
Phone +862087343385
Email ximian@sysucc.org.cn
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Definitive chemoradiotherapy (CRT) is the standard treatment option for unresectable locally advanced esophageal cancer. However, as high as more than 40% of patients with esophageal cancer experienced locoregional recurrence after definitive CRT. Immune checkpoint inhibitors targeting PD-1/PD-L1 and/or CTLA-4 have shown substantial clinical benefits in advanced esophageal cancer. Recently, the combination of immunotherapy with CRT has emerged as a promising strategy to improve clinical outcomes in esophageal cancer. The aim of this study was to evaluate the efficacy and safety of cadonilimab (a bispecific PD-1/CTLA-4 antibody) combined with induction chemotherapy followed by definitive radiotherapy in patients with locally advanced esophageal squamous cell carcinoma.


Description:

A total of 46 patients with unresectable, locally advanced ESCC will be enrolled to receive cadonilimab plus induction chemotherapy followed by definitive radiotherapy and then 12 additional cycles of maintenance therapy with cadonilimab. Patients will receive 2 cycles of 3-weekly schedule of induction chemotherapy, consisting of paclitaxel 135 mg/m2, cisplatin 75 mg/m2, and cadonilimab 10 mg/kg on day 1 prior to CRT. Then all patients will receive standard fractionation radiation therapy scheme: 50.4 Gy in 28 fractions, concurrently with 2 cycles of cadonilimab. After the completion of radiotherapy, patients will then receive 12 additional cycles of cadonilimab.


Recruitment information / eligibility

Status Recruiting
Enrollment 46
Est. completion date December 31, 2027
Est. primary completion date December 31, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: 1. Histologically confirmed squamous cell carcinoma of the esophagus; 2. Locally advanced, and absence of distant metastasis disease, confirmed by endoscopic ultrasound (EUS) and PET-CT scan, stage II-IVA (according to UICC TNM version 8); 3. Not suitable for surgery (either for medical reasons or patient's choice); 4. Age at diagnosis 18 to 75 years; 5. No prior cancer therapy; 6. Estimated life expectancy >6 months; 7. Eastern Cooperative Oncology Group performance status = 2 8. No history of concomitant or previous malignancy; 9. The function of important organs meets the following requirements: a. white blood cell count (WBC) =4.0×109/L, absolute neutrophil count (ANC) =1.5×109/L; b. platelets =100×109/L; c. hemoglobin =9g/dL; d. serum albumin =2.8g/dL; e. total bilirubin =1.5×ULN, ALT, AST and/or AKP =2.5×ULN; f. serum creatinine =1.5×ULN or creatinine clearance rate >60 mL/min; 10. Ability to understand the study and sign informed consent. Exclusion Criteria: 1. Patients who have been treated previously with anti-tumor therapy (including chemotherapy, radiotherapy, surgery, immunotherapy, etc.); 2. Patients with distant metastasis disease or esophageal fistula at diagnosis; 3. Known or suspected allergy or hypersensitivity to monoclonal antibodies, any ingredients of cadonilimab, and the chemotherapeutic drugs paclitaxel or cisplatin; 4. Patients who have a preexisting or coexisting bleeding disorder; 5. Female patients who are pregnant or lactating; 6. Inability to provide informed consent due to psychological, familial, social and other factors; 7. Presence of CTC grade =2 peripheral neuropathy; 8. A history of malignancies other than esophageal cancer before enrollment, excluding non-melanoma skin cancer, in situ cervical cancer, or cured early prostate cancer 9. A history of diabetes for more than 10 years and poorly controlled blood glucose levels; 10. Patients who cannot tolerate chemoradiotherapy due to severe cardiac, lung, liver or kidney dysfunction, or hematopoietic disease or cachexia. 11. Active autoimmune diseases, a history of autoimmune diseases (including but not limited to these diseases or syndromes, such as colitis, hepatitis, hyperthyroidism), a history of immunodeficiency (including a positive HIV test result), or other acquired or congenital immunodeficiency diseases, a history of organ transplantation or allogeneic bone marrow transplantation; 12. A history of interstitial lung disease or non-infectious pneumonia; 13. A history of active pulmonary tuberculosis infection within 1 year or a history of active pulmonary tuberculosis infection more than 1 year ago but without formal anti-tuberculosis treatment; 14. Presence of active hepatitis B (HBV DNA = 2000 IU/mL or 104 copies/mL), hepatitis C (positive for hepatitis C antibody, and HCV-RNA levels higher than the lower limit of the assay).

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Cadonilimab
Patients received cadonilimab 10 mg/kg every 3 weeks for up to 16 cycles.
Paclitaxel and cisplatin
Patients received 2 cycles of induction chemotherapy with paclitaxel/cisplatin (paclitaxel 135 mg/m2 and cisplatin 75 mg/m2) prior to radiotherapy. Then patients will not receive chemotherapy during radiotherapy.
Radiation:
intensity-modulated radiotherapy
All patients received external-beam radiation using intensity-modulated radiotherapy. The prescribed dose is 50.4 Gy in 28 fractions over 5-6 weeks.

Locations

Country Name City State
China Sun Yat-sen University Guangzhou Guangdong

Sponsors (1)

Lead Sponsor Collaborator
Sun Yat-sen University

Country where clinical trial is conducted

China, 

References & Publications (4)

Doki Y, Ajani JA, Kato K, Xu J, Wyrwicz L, Motoyama S, Ogata T, Kawakami H, Hsu CH, Adenis A, El Hajbi F, Di Bartolomeo M, Braghiroli MI, Holtved E, Ostoich SA, Kim HR, Ueno M, Mansoor W, Yang WC, Liu T, Bridgewater J, Makino T, Xynos I, Liu X, Lei M, Kon — View Citation

Frentzas S, Gan HK, Cosman R, Coward J, Tran B, Millward M, Zhou Y, Wang W, Xia D, Wang ZM, Li B, Xia M, Desai J. A phase 1a/1b first-in-human study (COMPASSION-01) evaluating cadonilimab in patients with advanced solid tumors. Cell Rep Med. 2023 Nov 21;4 — View Citation

Gao X, Xu N, Li Z, Shen L, Ji K, Zheng Z, Liu D, Lou H, Bai L, Liu T, Li Y, Li Y, Fan Q, Feng M, Zhong H, Huang Y, Lou G, Wang J, Lin X, Chen Y, An R, Li C, Zhou Q, Huang X, Guo Z, Wang S, Li G, Fei J, Zhu L, Zhu H, Li X, Li F, Liao S, Min Q, Tang L, Shan — View Citation

Zhu Y, Wen J, Li Q, Chen B, Zhao L, Liu S, Yang Y, Wang S, Lv Y, Li J, Zhang L, Hu Y, Liu M, Xi M. Toripalimab combined with definitive chemoradiotherapy in locally advanced oesophageal squamous cell carcinoma (EC-CRT-001): a single-arm, phase 2 trial. La — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Correlation between immune signature and survival The correlation between pretreatment immune signature (PD-L1, CD8, CTLA-4, CD56, and CD68) by mIHC and survival outcomes. From date of enrollment to the date of last follow-up, assessed up to 36 months.
Other Correlation between dynamic change of ctDNA and survival The correlation between dynamic change of ctDNA during treatment and survival outcomes. From date of enrollment to the date of last follow-up, assessed up to 36 months.
Other Correlation between genetic biomarkers and survival The correlation between baseline genetic biomarkers by whole-exome sequencing and RNA-sequencing and immune-related adverse event, clinical response, and survival outcomes. From date of enrollment to the date of last follow-up, assessed up to 36 months.
Primary Progression-free survival Three-year follow-up from the date of enrollment to the date of disease progression or last follow-up From date of enrollment until the date of death from any cause or the date of first documented disease progression whichever came first, assessed up to 36 months.
Secondary Overall survival Three-year follow-up from the enrollment to the date of death from any cause or date of lost follow-up From date of enrollment until the date of death from any cause or the date of last follow-up, whichever came first, assessed up to 36 months.
Secondary Clinical complete response Tumor response was evaluated 3 months after the completion of treatment based on CT or PET-CT scans, and endoscopy with biopsies. 3 months after radiotherapy (plus or minus 7 days)
Secondary Duration of response From the date of first CR/PR to the date of first PD. From date of first CR/PR to the date of first PD according to RECIST criteria, assessed up to 36 months.
Secondary Treatment-related adverse events Incidence of treatment-related adverse events as assessed by CTCAE v4.0. From date of enrollment to the date of last follow-up, assessed up to 36 months.
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