I couldn’t save my mother. But I could decide what happened next.

I’m Sean Kimbrough. I’m not a doctor. I don’t have an oncology background, or a medical degree, or a lab coat. What I have is a mother I lost to cancer, a decade of self-taught research, and a conviction that patients deserve to hear more of what the research actually shows — not instead of standard care, but alongside it.

That conviction is why Courage Against Cancer exists.

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Our Mission & Vision

Mission: Empowering survivors, supporting patients, and advocating for a cancer-free world.

Vision: A world where fear of cancer no longer exists, replaced with reassurance of cure and recovery.

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The short version of how this started

In 2013, my mother told me she’d been diagnosed with lung cancer — a woman who had never smoked a cigarette in her life. We didn’t speak again for the next ten years.

Then, in February 2023, she called. The cancer had spread through her entire body. She told me she’d never had it treated in all that time — until she finally didn’t feel well enough to ignore it any longer, went in to get examined, and was left with one option: chemotherapy and radiation.

I went into overdrive. I found the growing body of research — and the growing community of patients and physicians — investigating repurposed, low-cost drugs like ivermectin and fenbendazole alongside standard treatment. I sent her everything I found. I wanted more time with her. I wanted her to have a fighting chance at more than one path forward.

It didn’t save her. My mother passed away in November 2023.

But by then, I was already knee-deep into something I couldn’t walk away from.

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What I found when I kept looking

The further I read — NIH databases, PubMed, peer-reviewed cancer research, conversations with researchers who’d spent decades on this — the more I realized how much promising science exists outside the standard-of-care conversation most patients ever hear. Cancer as a metabolic disease. The role of the gut microbiome. The genetic and biomarker angles that shape how a specific patient’s cancer actually behaves.

None of that made it into the pamphlets my mother was handed.

So I became a relentless researcher, investigator, and connector of information — because someone had to build the bridge between what the research already shows and what patients actually get told in an exam room.

That relentlessness led to a Memorandum of Understanding (MOU) with Dr. Anil Sood’s lab at MD Anderson Cancer Center — the foundation for a future Sponsored Research Agreement and a preclinical trial studying ivermectin and mebendazole in ovarian cancer, once full funding is secured. It’s 150+ published resources on emerging and repurposed cancer therapies, integrative oncology, and the cancer microbiome. And it’s the CAC Wellness Playbook — a coaching program that uses a patient’s own microbiome and genomic testing results to help build a personalized recovery and wellness approach, developed alongside a coach and designed to complement the care plan from their medical team, not replace it.

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Why CAC is different

We’re not claiming to have solved cancer. What we’re building is a bridge between conventional cancer care and the emerging, evidence-based research that rarely makes it into a standard consultation — metabolism, the microbiome, genomics, repurposed drug research.

We examine that evidence honestly, flaws and conflicts of interest included, so patients can become better-informed participants in their own care — working with their care team, not around it.

Everything we publish goes through review by our Medical Review Board before it reaches you.

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From one family to many

My mother was one person. She is the reason CAC exists.

But she’s not the reason CAC has to continue. Millions of families are asking the same questions we were asking in that hospital room —

• Is there more we can do?
• Is there research we haven’t seen?
• Is there someone who will help us look?

If you’re one of them, CAC is here for you. If you believe those questions deserve better answers, CAC needs you.

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Where you fit in >

Want the full story — Health Magnet High School, my ex-wife’s nutrition degree, Joe Tippens, Dr. Thomas Seyfried, and how a guy with zero oncology background ended up building a research partnership with MD Anderson? Read the whole thing.

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