--- title: "Case Studies" entity: "page" canonical_url: "https://www.drderekcook.ca/case-studies" markdown_url: "https://www.drderekcook.ca/llms/page/case-studies" lastmod: "2026-08-28T23:02:21.656Z" --- # Real patient stories from the PRO Method. The cases below are clinical narratives drawn from real patient care. Details have been changed to protect privacy. Each story illustrates how the PRO Method addresses complex, multi-layered conditions by restoring the underlying system rather than chasing individual symptoms. Each patient came in with a presenting complaint that looked contained: a digestive problem, an inflammatory condition, a mental health crisis, a metabolic picture. In each case, the deeper story was a system that had become reactive, dysregulated, or destabilized under years of sustained pressure. It was the restoration of that wider system, through the four phases of the PRO Method, that produced durable change. These stories are not testimonials. They are clinical accounts written to teach as well as to demonstrate. The goal of the library is to show what system restoration looks like in practice, across different conditions and different lives. ## How to read this library. Each case follows the same structure: a brief opening narrative, then five sections (The Deeper Challenge, The Process, Key Turning Points, Outcome, Key Takeaway). Phase references throughout (Stabilize, Restore, Optimize, Sustain) correspond to the four phases of the PRO Method. ## Privacy and anonymity. Each case has been developed from consented patient records and identifying details have been modified to maintain confidentiality. Some case studies may also represent a composite of multiple patient cases. ## Cases in this library. Stress and Chronic SIBO Relapse Years of bloating, unpredictable digestion, and failed protocols. Her turning point: addressing the stress response driving chronic relapse, not just running another protocol. Once we treated the root cause, her digestion stabilized - and stayed that way. Case 01 Read the case Trauma, the Gut-Brain Axis, and Executive Burnout How one executive ended years of gut problems, fatigue, and anxiety in weeks. His body was stuck in survival mode. His gut and brain were working against each other. When we treated the trauma and gut-brain connection together, everything shifted. Case 04 Read the case Metabolic System Reset An entrepreneur rebuilt his metabolism after years of weight gain, blood sugar swings, and crashing energy. We stopped chasing symptoms and fixed the system underneath. Case 04 Read the case Ulcerative Colitis How a retired engineer reached stable remission so he could live on his own schedule and travel more. Flare-ups dictated his calendar. Long flights felt risky. Trip planning revolved around bathroom access, not bucket lists. When we treated the whole body we attained lasting remission. Case 05 Read the case Perimenopause and a Thyroid That Wasn't "Normal" An entrepreneur dealing with perimenopause, fatigue, sleep disruption, fibroids, and a thyroid pattern that standard testing had missed. When her hormones, immunity, and stress physiology were addressed together, her autoimmune thyroid markers started to shift. This is what happens when you treat the whole picture - not just one lab result. Case 06 Read the case If you recognize your own system in what you just read, the PRO Method is the framework I use to address it. Book a Performance Assessment to see what restoration would look like for you. Book a Consultation →