Understand the source comparison
TB-4 Tissue Repair Results: Comparison by Injury Type
Dermal Wound (full-thickness) 30–40% reduction in inflammatory markers; minimal visible closure Week 2–4: 50–60% gap closure, granulation tissue formation 8–10 weeks: >90% tensile strength Epithelialization rate (not collagen-limited) Best-case scenario for TB
No winner is assigned.
This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.
- Dermal Wound (full-thickness)
- 30–40% reduction in inflammatory markers; minimal visible closure
- Week 2–4: 50–60% gap closure, granulation tissue formation
- 8–10 weeks: >90% tensile strength
- Epithelialization rate (not collagen-limited)
- Best-case scenario for TB-4. Vascular, accessible, fast turnover
- Tendon/Ligament Injury
- Mild edema reduction; no strength change
- Week 3–6: collagen deposition visible on histology; 40–50% strength
- 12–16 weeks: 70–80% tensile strength (rarely 100%)
- Low baseline vascularity; slow collagen cross-linking
- TB-4 shows largest relative benefit vs control; absolute timeline still long
- Myocardial Infarction (post-MI scar)
- Reduced infarct expansion; lower troponin leak
- Week 4–8: new capillary formation in border zone; modest EF improvement
- 12–16 weeks: 15–25% EF improvement vs baseline
- Cardiomyocyte regeneration limited; scar inevitable
- TB-4 mitigates damage but doesn't reverse infarction. Realistic expectations critical
- Skeletal Muscle Strain
- Faster return of pain-free range of motion (24–48 hrs)
- Week 1–3: fiber regeneration and satellite cell activation
- 4–6 weeks: return to pre-injury force production
- High baseline vascularity makes TB-4 less rate-limiting
- Shortest timeline; muscle heals well even without intervention
- Bone Fracture (callus formation)
- Minimal direct TB-4 effect on osteoblasts
- Week 2–4: soft callus formation slightly accelerated
- 8–12 weeks: standard union timeline
- Mechanical stability > peptide signaling
- TB-4 is not a primary bone repair agent. Limited evidence