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Spots Global Cancer Trial Database for Durvalumab as Maintenance Following Chemoradiation for Unresectable Esophageal Squamous Cell Carcinoma

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Trial Identification

Brief Title: Durvalumab as Maintenance Following Chemoradiation for Unresectable Esophageal Squamous Cell Carcinoma

Official Title: Durvalumab (MEDI4736) as Maintenance Treatment Following Chemoradiation for Locally Advanced Unresectable Esophageal Squamous Cell Carcinoma (DESC).

Study ID: NCT04054518

Interventions

Durvalumab

Study Description

Brief Summary: Single arm phase II trial designed to assess the efficacy of durvalumab treatment in terms of 6-month progression-free survival. We will include 22 patients who will receive 1500 mg durvalumab (MEDI4736) via IV infusion Q4W \<\<for up to a maximum of 12 months (up to 13 doses/cycles) with the last administration on week 48\>\> or \<\<until confirmed disease progression\>\> unless there is unacceptable toxicity, withdrawal of consent, or another discontinuation criterion is met. If a patient's weight falls to 30 kg or below for 1 week or longer ( ≥ 7 days) durvalumab will be permanently discontinued.

Detailed Description: A) Study Title: Durvalumab (MEDI4736) as maintenance treatment following chemoradiation for locally advanced unresectable esophageal squamous cell carcinoma (DESC) B) Protocol Number: ESR-17-12757 C) Clinical Phase: 2 D) Study Duration: 36 months E) Investigational Product(s) and Reference Therapy: Durvalumab (MEDI4736) F) Research Hypothesis: Is Durvalumab efficient in delay progression in patients with persistent disease after chemoradiation for locally advanced esophageal squamous cell carcinoma? G) Objectives: G1) Primary Objectives: To assess the efficacy of durvalumab treatment in terms of 6-month progression-free survival. G2) Secondary Objective(s): To assess the incidence of grade 3 or higher toxicities; To further assess the efficacy of durvalumab in terms of overall survival, incidence of locoregional progression and incidence of distant progression.\>\> G3) Exploratory Objective(s): To investigate the relationship between immune biomarkers within the tumor microenvironment (immunohistochemistry) with efficacy outcomes with durvalumab H) Study Design: Single arm phase II trial I) Number of Centers: 1 J) Number of Patients:22 K) Study Population: Patients with locally advanced unresectable or inoperable esophageal squamous cell carcinoma who had a persistent disease after completing definitive chemoradiotherapy, with no progressive disease. L) Inclusion Criteria: * Body weight \>30kg and body mass index ≥ 16 kg / m2; * Patients who are aphagic or able to ingest only liquids should also receive enteral nutritional support before inclusion in the study; * Patients with histologically and/or cytologically confirmed esophageal or esophagogastric junction (Siewert I or II) squamous cell carcinoma, irrespective of PD-1/PD-L1 or any other biomarker expression; * Patients who had a persistent disease 6-8 weeks after completing chemoradiotherapy with at least 50 Gy and platinum-based chemo and without clinical complete response or progressive disease; * CT scans within 4 weeks revealing persistent disease; * Must be included \<12 weeks after completing chemoradiotherapy to ensure durvalumab begins no later than 16 weeks after completion of chemoradiotherapy; * Patients unsuitable to salvage esophagectomy; * All the tumor volume should have been treated with CRT (included in the radiation field); ECOG 0 - 1; * Age 18 years or older; * Life expectancy of higher than 3 months; * Laboratory values must meet the following criteria: Absolute neutrophil count (ANC) \> 1.5 (\>1500 per mm3); Platelet count ≥ 100 x109/L. Hemoglobin \>9.0 g/dL. Creatinine \< 1.5 times institutional ULN or CrCl \> 40 mL/min. AST (SGOT)/ALT (SGPT) ≤2.5 x institutional upper limit of normal. Serum bilirubin ≤ 1.5 times institutional ULN (This will not apply to patients with confirmed Gilbert's syndrome - persistent or recurrent hyperbilirubinemia that is predominantly unconjugated in the absence of hemolysis or hepatic pathology, who will be allowed only in consultation with their physician) * All toxicities attributed to prior chemoradiotherapy other than alopecia, fatigue, or peripheral neuropathy must have resolved to grade 2 or less. M) Exclusion Criteria: * Presence of any site of metastatic disease, including lymph node which has not been included in radiation field; * Are currently receiving or have had prior use of immunosuppressive medication within 28 days before the first dose of study drug (10 milligrams/day of prednisone or an equivalent corticosteroid is allowed); * Received any immunotherapy for esophageal cancer; * Has known active hepatitis B, hepatitis C or human immunodeficiency virus (HIV1/2 antibodies); * Has known active or prior autoimmune disease, except for: * skin diseases (vitiligo, psoriasis, alopecia) * diabetes mellitus type 1, with hormone replacement * hypothyroidism, with hormone replacement * Receipt of live attenuated vaccination within 30 days prior to study entry. * Grade 3 or higher pulmonary toxicity of dyspnea, hypoxia, or pneumonitis experienced during chemoradiation; * Presence of tracheoesophageal fistula that has not been treated with endoprosthesis\>\> N) Investigational Product(s), Dose and Mode of Administration: Patients in the durvalumab (MEDI4736) monotherapy treatment group will receive 1500 mg durvalumab (MEDI4736) via IV infusion Q4W \<\<for up to a maximum of 12 months (up to 13 doses/cycles) with the last administration on week 48 unless there is unacceptable toxicity, disease progression, withdrawal of consent, or another discontinuation criterion is met. If a patient's weight falls to 30 kg or below for 1 week or longer ( ≥ 7 days) durvalumab will be permanently discontinued. O) Study Assessments and Criteria for Evaluation: O.1) Safety Assessments: Safety assessments will be performed in accordance with the National Cancer Institute Common Terminology Criteria, version 5.0. At least every 4 weeks, during each visit, data on toxicity on treatment will be evaluated. Laboratory analysis will also be performed at least every 4 weeks to assess toxicity. O.2) Efficacy Assessments: Patients will undergo tumor assessments with cross-sectional imaging at study site at start and then 8 ± 1w until complete 12 months after first dose; Patients who have disease control following completion of 12 months (13 cycles) of treatment will continue to have objective tumor assessment q12w ± 1w for more 12 months or until disease progression (whichever comes first); Patients who are withdrawn from durvalumab treatment for reasons other than confirmed PD (e.g toxicity) will continue to have objective tumor assessments q8w ± 1w until complete 12 months after first dose. Then, they will have objective tumor assessments q12w ± 1w for more 12 months (24 months after first dose) or until disease progression; Measurable target and nontarget lesions will be assessed according to Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1). P) Statistical Methods and Data Analysis: Safety analysis will be performed considering all enrolled patients who received at least one dose of durvalumab; Efficacy analysis will be performed using intention-to-treat approach; Will be used an alpha error of 0.05 (1-sided) and a power (1 - beta error) of 90%; Primary endpoint will be 6-month progression free survival rate; Secondary endpoints will be overall survival, incidence of locoregional progression and incidence of distant progression; Locoregional progression is defined when an in-field lesion (primary tumor or lymph nodes) is the first site of progression or in case of worsening dysphagia with an upper endoscopy revealing an unequivocal local progression; Distant progression is defined when an out-field lesion (lymph node, visceral, bone) is the first site of progression; We estimate 12 months of recruitment, with 2 patients per month; Overall survival will be estimated using Kaplan-Meier method. Q) Sample Size Determination: Single arm phase II trial; Will be estimated p0 (null-hypothesis 6-month PFS) as 10%; Will be estimated p1 (alternative hypothesis 6-month PFS) as 35%; With an estimated dropout rate of 10%, our sample size will be 22 patients.

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Instituto do Câncer do Estado de São Paulo, São Paulo, , Brazil

Contact Details

Name: Tiago B de Castria, MD PhD

Affiliation: Instituto do Cancer do Estado de São Paulo

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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