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thymosin-alpha-1 immune modulator rct n=120 2026-04-03 PubMed

New Clinical Trial Protocol for Thymalfasin-Regulated PRaG Regimen in Advanced Cancers

Evaluation of the efficacy and safety of a precise thymalfasin-regulated PRaG regimen for advanced refractory solid tumours: protocol for the open-label, prospective, multicentre study (PRaG5.0 study).

Background

Advanced refractory solid tumours represent a significant challenge in oncology, often leading to poor prognoses due to resistance to conventional therapies. Current treatment options are frequently limited, highlighting an urgent need for novel and effective strategies. This study protocol outlines a new open-label, prospective, multicentre clinical trial to evaluate the efficacy and safety of a precise thymalfasin-regulated PRaG regimen in these difficult-to-treat cancers.

Results

The PRaG5.0 study is meticulously designed to assess the clinical efficacy and safety of the thymalfasin-regulated PRaG regimen in patients with advanced refractory solid tumours. The primary objective is to determine the objective response rate (ORR), which measures tumour shrinkage or disappearance, in this challenging patient population. Secondary objectives include evaluating progression-free survival (PFS) and overall survival (OS), providing comprehensive insights into the regimen's potential long-term benefits. The study's robust design, involving 120 patients across 10 centres, is intended to provide high-quality evidence on the efficacy and safety profile of this novel combination therapy. Safety will be rigorously monitored, with adverse events graded according to the Common Terminology Criteria for Adverse Events (CTCAE) version 5.0, ensuring a thorough assessment of tolerability. The study aims to compare the observed ORR, PFS, and OS with historical data for similar regimens to determine the added benefit of thymalfasin.

Why It Matters

This protocol represents a crucial step towards developing new treatment options for patients with advanced refractory solid tumours. If the PRaG5.0 study demonstrates significant efficacy and an acceptable safety profile, it could offer a novel therapeutic strategy for a patient group with limited alternatives. Positive results from this multicentre trial could pave the way for this regimen's clinical adoption and further large-scale human trials. This study is designed as a prospective, open-label trial, providing foundational data that could support subsequent Phase II or III trials.


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Source: pubmed:38458816 · Ingested 2026-04-03 · Digest: gemini-2.5-flash