Why Australia Needs More Young and Diverse Stem Cell Donors

A blood cancer diagnosis usually comes out of nowhere. Treatment starts fast. For some people, chemotherapy or other therapies are enough. For others, a stem cell transplant is the only option left.

Sometimes doctors can use a person’s own stem cells. Often, they can’t. That’s when the search turns to finding a donor.

Finding a donor isn’t simple. It’s not like ordering takeaway. Matching is based on genetics, which means who’s on the registry directly affects who finds a match.

This isn’t opinion. It’s data. In many cases, the younger the donor, the better the outcome for the patient.

Australia is facing that reality.

Right now, there simply aren’t enough young stem cell donors in Australia.

Why age matters when donating stem cells

When doctors are choosing a donor, tissue type is always the first filter. No match, no transplant.

Once a suitable match is found, age becomes one of the biggest factors.

Young NSW police officer joining the stem cell registry with a cheek swab in Australia

In general, the younger the donor, the better the long-term outcome. If there’s a choice between two matched donors, younger usually wins.

That doesn’t mean older donors don’t matter. They absolutely do. Many people over 35 are already on the registry and may still be called to donate. And once you join, you usually stay on the registry until you turn 60.

But registries focus on people aged 18 to 35 for a reason. Younger donors don’t just help today’s patients. They strengthen the registry for years to come.

If you’re over 35 and new to this, you can’t join the registry. But you can still help by sharing accurate information, encouraging eligible people to sign up, or donating $100 to TLR so we can find someone who can take your place.

Does gender matter?

Short answer: sometimes.

Tissue type comes first. Always.

Once a match exists, doctors may look at age and, in some situations, gender.

During pregnancy, a woman’s immune system builds antibodies in response to the baby. That’s normal. But those antibodies can sometimes increase the risk of certain complications after transplant.

So if doctors are choosing between two equally matched donors, they may lean towards a younger male donor. But only when there’s a real choice.

Stem cells from women who have never been pregnant are just as life-saving as stem cells from men. This isn’t a competition. Without women on the registry, many patients would never find a match.

More young donors matters. Across all genders. Across all backgrounds.

What this means for people with blood cancer

For some people with blood cancer, a stem cell transplant isn’t a backup plan. It’s the only thing left.

But it only happens if a suitable donor is found.

And not everyone finds one.

Australia leans heavily on overseas donors. More than 80 percent of donated stem cells used for patients in Australia currently come from overseas. That can help. But it can also mean extra waiting when time really matters.

The strength of the registry can decide how quickly someone moves forward with treatment. If you want to understand how matching works, you can read our guide here.

When there aren’t enough young stem cell donors in Australia, patients feel it.

Why Australia needs more young and diverse donors

Matching is based on inherited tissue types. That means people are more likely to match with someone from a similar ethnic background.

If the registry doesn’t reflect the diversity of Australia, some patients face a much harder search.

Age and diversity together make the registry stronger.

St John Ambulance volunteer with Pride face paint joining the stem cell donor registry at Mardi Gras Fair Day

And to the LGBTQIA+ community, this is important. Who you love or how you identify makes no difference to the life-saving stem cells you could donate. The registry welcomes everyone who meets the same eligibility criteria.

You can read more about why diversity matters here.

Right now, Australia needs more young stem cell donors. Full stop.

Why most young Australians haven’t heard about donating stem cells

Ask a group of people in their twenties about donating stem cells and most will shrug.

They’ve heard of blood donation. Maybe organ donation. But stem cells? Not really.

oung woman registering as a stem cell donor with a cheek swab at a community event

Some people assume it’s painful or risky. Others think it involves surgery. A lot of people just don’t know what actually happens.

For most donors, it’s similar to a long plasma donation, with a few injections in the lead up to boost your stem cells. Yes, it takes a day. But that day could literally give someone a lifetime.

Ready to help?

If you’re aged 18 to 35 and eligible, joining the stem cell registry starts with a few simple cheek swabs.

That part’s easy.

The bigger question is whether you’re ready if you get the call.

At TLR, we encourage people to understand exactly what donating stem cells involves before they sign up. That includes the injections, donation day, and recovery.

Our website answers pretty much every question you can think of. We’ve explained it in an honest, non sugar-coated way. If you’re unsure, start here.

It’s not for everyone. If needles are a hard no, we respect that. Seriously. We’d rather you decide now than sign up and step away later. When a patient is told a donor has been found, it’s not just admin. It’s hope.

If you’re in, be all in.

So if you’ve done your homework and you’re genuinely up for it, we need you. You can start the sign up process here.

Be a legend. Save a life.

References

TLR – How stem cell donors are matched

TLR – Why diversity on the stem cell donor registry matters

Stem Cell Donors Australia – Understanding donor matching and selection