# Xuewu Liu’s Substack Discover the extraordinary potential of chlorine dioxide in healthcare, understand its mechanisms within the body, and explore its effectiveness in treating a variety of illnesses. Page: Feed: --- ## [Chlorine Dioxide and the Repeatability Problem in Cancer Treatment](https://clo2xuewuliu.substack.com/p/chlorine-dioxide-and-the-repeatability) _2026-08-20 · Xuewu Liu_ Oncology already knows repeatability wins — it is why systemic therapy dominates advanced cancer. Local therapy has never had a repeatable member. Intratumoral chlorine dioxide may be the first. ## [Injecting Again on Day 20](https://clo2xuewuliu.substack.com/p/injecting-again-on-day-20) _2026-08-20 · Xuewu Liu_ Repeat Intratumoral ClO₂ Dosing in a Dog That Had Already Lost Its Tongue ## [What BEACON-HCC Quietly Concedes](https://clo2xuewuliu.substack.com/p/what-beacon-hcc-quietly-concedes) _2026-08-19 · Xuewu Liu_ Four signals from the new North American liver cancer consensus — and what they mean for intratumoral chlorine dioxide ablation ## [The Closed Loop: Why Intratumoral ClO₂ May Be a Genuine Answer for Glioblastoma](https://clo2xuewuliu.substack.com/p/the-closed-loop-why-intratumoral) _2026-08-18 · Xuewu Liu_ Since filing for FDA Orphan Drug Designation for glioblastoma on April 8, we have steadily added to the evidence base behind the intratumoral ClO₂ ablation system — more veterinary tumor cases, and a closer look at how fast and how completely the reaction self-limits, most recently in whole blood. ## [A Legal Pathway Already Exists for Patients Who Cannot Wait](https://clo2xuewuliu.substack.com/p/a-legal-pathway-already-exists-for) _2026-08-18 · Xuewu Liu_ Why the EU’s Article 59 exception matters for advanced cancer patients, and why we believe an intratumoral chlorine dioxide ablation system qualifies under it ## [When Chlorine Dioxide Meets Whole Blood: A Simple Observation of Rapid Reaction and Self-Limitation](https://clo2xuewuliu.substack.com/p/when-chlorine-dioxide-meets-whole) _2026-08-17 · Xuewu Liu_ What happens when chlorine dioxide enters a blood-rich environment? [Listen](https://api.substack.com/feed/podcast/211549454/9a0bb34e9b2e3e73158b2bcca4fa6b00.mp3) ## [What Happens When Chlorine Dioxide Meets Whole Blood](https://clo2xuewuliu.substack.com/p/what-happens-when-chlorine-dioxide) _2026-08-17 · Xuewu Liu_ A benchtop observation on reaction speed and self-limitation in liquid porcine blood ## [Killing the Tumour Is the First Problem. What’s Left Is the Second.](https://clo2xuewuliu.substack.com/p/killing-the-tumour-is-the-first-problem) _2026-08-16 · Xuewu Liu_ Intratumoural chlorine dioxide ablation versus surgery — starting with the dimension where surgery wins ## [Sixteen Pet Cancers Told Me More About Intratumoral Chlorine Dioxide Than Sixteen Human Patients Would Have](https://clo2xuewuliu.substack.com/p/sixteen-pet-cancers-told-me-more) _2026-08-15 · Xuewu Liu_ Why naturally occurring animal tumors may provide stronger early evidence for intratumoral chlorine dioxide ablation than an early human trial ## [Fifteen Minutes Under Anesthesia: Knowing Whether an Oral Tumor Is Still Alive](https://clo2xuewuliu.substack.com/p/fifteen-minutes-under-anesthesia) _2026-08-14 · Xuewu Liu_ When a dog is diagnosed with an oral tumor—especially one involving the mouth, gums, or tongue—owners usually face the same difficult questions. ## [One Cloud, Every AI Layer (Sponsored)](https://crawlproof.com/a/cMNiFIm7WocL) _2026-08-14 · **Sponsored**_ Run agents, inference, and infrastructure on one stack — economics improve as you scale. ## [Why Applying for an FDA IND May Be Easier Now Than It Was Before](https://clo2xuewuliu.substack.com/p/why-applying-for-an-fda-ind-may-be) _2026-08-14 · Xuewu Liu_ FDA’s new early-stage development policies are moving in a direction that fits unusually well with the evidence already accumulated for Intratumoral Chlorine Dioxide Therapy ## [When Chlorine Dioxide Changed a Tongue Tumor in Twenty Minutes A Different Immediate Pattern in China Veterinary Case No. 11](https://clo2xuewuliu.substack.com/p/when-chlorine-dioxide-changed-a-tongue) _2026-08-13 · Xuewu Liu_ Twenty Minutes After Treatment — Chaozhou, Guangdong, China · August 13, 2026 ## [When Living Tumors Turn Black in Fifteen Minutes](https://clo2xuewuliu.substack.com/p/when-living-tumors-turn-black-in) _2026-08-13 · Xuewu Liu_ What Three Veterinary Cases May Reveal About a Different Way of Destroying Cancer