Internal view of patient's torso demonstrating targeted accuracy of TheraSphere Y-90 Glass Microspheres in liver.

THERASPHERETM CLINICAL EVIDENCE

PROACTIF Study

PROACTIF Study Overview

PROACTIF: The largest, prospective, real-world Y-90 study with TheraSphereTM for the treatment of liver malignancies

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1259 patients

First multicentre, 1259 patient study that builds on previously published TheraSphere landmark trials which span the Barcelona Clinic Liver Cancer (BCLC) guidelines

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34 sites

Data from 34 sites using contemporary techniques and dosing


Study Objectives

Evaluate effectiveness, safety and patient quality of life (QoL) with TheraSphere treatment in real-world clinical practice, and to identify clinical and dosimetric factors associated with survival

Primary Endpoints

Overall survival (OS) and quality-of-life (QoL)

Key Secondary Endpoints

Safety, conversion to surgery and factors associated with OS


Guiu et al. Effectiveness and Safety of Selective Internal Radiation Therapy using Yttrium-90 Glass Microspheres for Hepatocellular Carcinoma: Real-world Results from the Multi-center Prospective PROACTIF Cohort of 989 Patients. eClinicalMedicine. Published Online https://doi.org/10.1016/j.eclinm.2026.103884

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PROACTIF Study HCC* Results
 

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PROACTIF Study ICCA* Interim Results

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HCC = hepatocellular carcinoma

*ICCA = intrahepatic cholangiocarcinoma


Caution:
The law restricts these devices to sale by or on the order of a physician. Indications, contraindications, warnings, and instructions for use can be found in the product labelling supplied with each device or at www.IFU-BSCI.com. Products shown for INFORMATION purposes only and may not be approved or for sale in certain countries. This material not intended for use in France.

TheraSphere is a registered trademark of Theragenics Corporation, used under license by Boston Scientific Medical Device Limited, a wholly owned indirect subsidiary of Boston Scientific Corporation.