Spots Global Cancer Trial Database for Anti-PD-1 Antibody Combined With Histone Deacetylase Inhibitor in Patients With Advanced Cervical Cancer

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Trial Identification

Brief Title: Anti-PD-1 Antibody Combined With Histone Deacetylase Inhibitor in Patients With Advanced Cervical Cancer

Official Title: Toripalimab, a Anti-PD-1 Antibody, and Histone Deacetylase Inhibitor Chidamide in Patients With Persistent, Recurrent, or Metastatic Cervical Cancer, a Multicenter, Open-label, Single-arm, Phase Ib/II Trial

Study ID: NCT04651127

Conditions

Cervical Cancer

Cervix Cancer

Cervix Neoplasm

Interventions

Toripalimab + Chidamide

Study Description

Brief Summary: Cervical cancer is the second-most common cancer in the world and is a leading cause of cancer death among women in developing countries. Cisplatin-based chemotherapy +/- bevacizumab have been recommended as the first-line treatment for patients who present with metastatic (e.g. stage IVB), persistent, or recurrent cervical cancer. However, patients in this setting are rarely curable. Pembrolizumab has been approved for second-line treatment in patients with advanced PD-L1-positive cervical cancer. However, the response rate achieved by PD-1 inhibitors as monotherapy is only modest. Preclinical studies found that in mouse models of B-cell lymphoma, adding a histone deacetylase (HDAC) inhibitor sensitized cancers to anti-PD-1 therapy. Recently, combination treatment of HDAC inhibitors with immune checkpoint inhibitors is widely investigated and has promising results in several cancer types. Toripalimab is a humanized IgG4 monoclonal antibody against PD-1. Chidamide is a class I HDAC inhibitor. Here we conducted a phase Ib/II, single-arm, multi-center study to evaluate the efficacy and safety of toripalimab in combination with chidamide in patients with metastatic, persistent, or recurrent cervical cancer.

Detailed Description: There are two main parts to this study; Part A, combination dose finding and Parts B, dose expansion. Part B will either be initiated if RP2D reached in Part A, or not initiated if RP2D was not reached in Part A. Part A has been designed to identify the recommended dose of combination of toripalimab plus chidamide for further clinical evaluation based upon assessment of the safety and tolerability data collected during the first 28 days. "3+3"design was used in the dose finding cohort. If RP2D was reached in Part A, eligible patients would be enrolled and receive toripalimab (240mg q3w, intravenously) plus chidamide (RP2D, twice a week) till disease progression (PD) withdraw of consent, or unacceptable toxicity.