For many families facing glioblastoma, clinical trials represent both hope and a great deal of confusion. Julie Crawshay created The Neuro Farmacist to make complex topics like this approachable. With a personal connection to GBM research — she ran the 2024 TCS Sydney Marathon supporting the GBM AGILE trial through the Cure Brain Cancer Foundation — Julie Crawshay believes families deserve a clear, jargon-free introduction to how trials actually work.

What a clinical trial is

Julie Crawshay with fellow brain cancer carers at the Tour de Cure gala dinner in Sydney, Australia
Julie Crawshay with fellow brain cancer carers at the Tour de Cure gala dinner in Sydney, Australia

A clinical trial is a carefully designed research study that tests whether a new treatment, combination, or approach is safe and effective. Trials follow strict protocols and ethical oversight to protect participants. They are the structured way that new therapies are evaluated before becoming widely available, which means trial participants are contributing to knowledge that may help future patients as well as potentially benefiting themselves.

Understanding trial phases

Trials are often described in phases. Early-phase trials typically focus on safety and the right dosing, while later-phase trials compare a new approach against the current standard in larger groups. Some modern trials, like adaptive platform trials, blend and streamline these stages. You can learn more in our explainer on the GBM AGILE trial, which uses an adaptive design.

Eligibility and timing

Every trial has eligibility criteria — specific requirements based on factors like tumour characteristics, prior treatments, and overall health. These criteria exist to keep participants safe and to produce reliable results. Because eligibility can depend on what treatments someone has already had, many neuro-oncologists recommend discussing trials early, even if you do not enrol right away. Asking "are there trials I might qualify for, and when?" keeps options open.

Questions worth asking

If you are considering a trial, helpful questions include: What is being tested, and what are the possible benefits and risks? What is involved in participating, such as extra visits or tests? Can I leave the trial if I change my mind? What costs, if any, are involved? Julie Crawshay encourages families to write down answers and take time to decide.

Finding and discussing trials

The best starting point is your own medical team, who can help match your situation to appropriate trials. The free GBM Caregiver's Resource Guide from Julie Crawshay includes prompts to guide these conversations, and The Neuro Farmacist shares accessible updates on Substack.

Clinical trials are not a last resort or a guarantee — they are a structured avenue of hope and contribution. Understanding the basics helps families approach them with clear eyes and informed confidence, which is exactly what Julie Crawshay hopes The Neuro Farmacist provides.

Disclaimer: This article is for general educational purposes only and is not medical advice. Trial suitability must be determined with your qualified medical team.