Mighty Mack
Photo Credit: Mighty Mack

It has been 22 months since Mighty Mack found her stem cell match and underwent her life-changing transplant – this week, the test came back indicating she has reached 100% donor chimerism.


Johannesburg, South Africa (23 November 2023) – Mackenzie “Mighty Mack” Friedman captured the hearts of over 14,000 people who have been following her medical journey for the past two and a half years. A collective sigh of relief has echoed through her fan base, the Mighty Mack Army after news broke this morning that she has reached 100% donor chimerism. What that means, is she now has 100% donor cells and all going well with her next set of tests, which means her treatment can finally come to an end.

Little Mackenzie Friedman, affectionately known as Mighty Mack, was formally diagnosed with Acute Myeloid Leukaemia (AML) on Wednesday, 12th of May 2021. Her parents, Megan and Bronson Friedman had noticed she had a fever and was being a bit fussy. They took her to their GP, and through that consultation, they eventually learned of Mack’s diagnosis.

Shortly after her aunts Amy Stanton and Nikita Friedman created her social media pages, we became acquainted with her story. They had hoped that by sharing her story and raising awareness for her cause, they would be able to boost the bloodstock levels in South Africa and find her a bone marrow match. It worked!

Not only did Mack find her match, a member of her Army became someone else’s lifesaving match and her very own Godfather also got to donate his stem cells to someone in need.

Since hearing the news of Mack’s donor chimerism, we have been over the moon for the family. They have, as always, shared cautious optimism regarding the news but are feeling hopeful.

“We don’t quite know exactly what this means going forward but her doctors have indicated that if all is clear on her bone marrow biopsy on Monday (which we have no reason to doubt) then it could signify END OF TREATMENT!!! 🎉🎊🥳

We have been chasing this outcome for 2.5years now and the fact that her (and our) lives could be returning to “normal” is somewhat surreal still and it’s hard to believe that she could soon be starting Grade 000 like any other child and having many more school photos like this🙌🏼👏🏼.

We love you Mack, and your donor whose 100% of your bone marrow you now carry!”

Mack is on the cusp of her third birthday in early January next year and about to head off to “big-little school”. She finally gets her chance to just be a child and we think that is the best gift anyone could have asked for this festive season.

It is because of a selfless donor that Mack has gotten this chance, so if you would like to register to be a donor, please check out the details below:

How to Become a Registered Donor

  • Register Online at www.dkms-africa.org (formally known as The Sunflower Fund) or www.sabmr.co.za.
  • You will be notified if you qualify to be a donor by working through their lists.
  • No blood or needles are involved, just a cheek swab.
  • Registering is free of charge.

Minimum Requirements to be a Bone Marrow Donor:

  • You are between the ages of 18 and 45 years old.
  • You have a minimum weight of 50 kg.
  • You have a BMI of around 40 (or lower).
  • Potential donors must be in good health and have no condition that donating would adversely affect them.

Sources: Mighty Mack
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About the Author

Tyler Leigh Vivier is a writer for Good Things Guy.

Her passion is to spread good news across South Africa with a big focus on environmental issues, animal welfare and social upliftment. Outside of Good Things Guy, she is an avid reader and lover of tea.

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