Axis Stem Cell Institute

Axis Stem Cell Institute in Kirkland, Washington operates as a regenerative medicine clinic where stem cell procedures, peptide protocols, and intravenous therapies converge to address degenerative and chronic conditions. Under the clinical direction of Bryn Renda, PA-C, the practice treats patients presenting with autoimmune disorders, metabolic dysfunction, musculoskeletal injuries, neurological decline, and sexual health concerns. The clinic's patient population includes competitive athletes managing joint injuries, individuals with chronic pain syndromes, and those seeking biological interventions for age-related decline. Axis Stem Cell Institute structures treatment plans around objective diagnostic findings and patient-specific pathology rather than standardized wellness packages.

The institute's peptide therapy program centers on nicotinamide adenine dinucleotide (NAD+) administration, delivered via intravenous infusion to support mitochondrial function, cellular repair mechanisms, and metabolic efficiency. NAD+ protocols at the Kirkland clinic are prescribed for patients with documented energy deficits, cognitive decline, metabolic syndrome, and those recovering from substance dependence where NAD+ has demonstrated utility in withdrawal symptom management. Peptide therapy is integrated with the clinic's stem cell procedures—including bone marrow aspirate concentrate and adipose-derived stem cell injections—to create multimodal regenerative protocols. Platelet-rich plasma (PRP) injections are deployed for tendon injuries, osteoarthritic joints, and soft tissue repair, often in combination with peptide support to enhance tissue remodeling. The clinic treats knee osteoarthritis, rotator cuff pathology, lumbar disc degeneration, and peripheral neuropathy using these combined biological therapies.

Bryn Renda, PA-C brings orthopedic and regenerative medicine training to the clinical team, performing stem cell harvesting, joint injections, and peptide protocol design. The practice emphasizes diagnostic imaging review—MRI, ultrasound, and X-ray analysis—before recommending stem cell or peptide interventions, ensuring that treatment targets anatomically confirmed pathology. Patients undergo pre-treatment laboratory panels to assess inflammatory markers, hormone levels, and metabolic function, which inform peptide dosing and adjunctive IV nutrient therapy. The clinic's approach avoids blanket anti-aging claims, instead focusing on measurable outcomes: pain reduction on validated scales, improved joint range of motion, normalized metabolic markers, and functional capacity restoration. Follow-up protocols include repeat imaging and lab work to document biological response to treatment.

Patients at Axis Stem Cell Institute in Kirkland typically begin with a consultation that includes medical history review, physical examination, and discussion of prior treatment failures. For musculoskeletal cases, the clinic performs in-office ultrasound-guided injections, allowing real-time visualization of needle placement into damaged tendons, ligaments, or joint spaces. Stem cell procedures are performed on-site with same-day processing of harvested tissue. NAD+ infusions are administered in a clinical setting with vital sign monitoring, as the therapy requires several hours per session and can produce transient side effects including flushing or gastrointestinal discomfort. The institute schedules peptide therapy in series—often weekly NAD+ infusions over four to ten sessions—with dosing adjustments based on patient tolerance and clinical response. Sexual health protocols combine peptide therapy with hormone optimization and, when indicated, regenerative injections for erectile dysfunction or pelvic floor disorders.

Axis Stem Cell Institute serves patients throughout the greater Seattle metropolitan area, including Bellevue, Redmond, and Bothell, with some traveling from other Washington regions for specialized regenerative procedures not widely available. The clinic does not offer telehealth consultations for initial evaluations, as physical examination and in-person diagnostic procedures are required to determine candidacy for stem cell or injection-based therapies. However, follow-up visits and peptide protocol adjustments can be managed remotely for established patients. The practice maintains a 4.9-star rating across 53 Google reviews, with patient feedback frequently referencing pain reduction following knee injections, functional improvement in athletes returning to sport, and positive experiences with PRP and stem cell treatments for chronic injuries. The clinic's focus remains on patients who have documented pathology and have not achieved adequate results with conservative management, positioning regenerative medicine as an alternative to surgical intervention or long-term pharmaceutical dependency.