Drug Delivery intermediate
Peptide Microneedle Patches
Transdermal microneedle patch technology for painless peptide delivery through the stratum corneum barrier.
By Encyclopeptide Editorial | 1 min read
microneedle transdermal patch delivery painless
Overview
Microneedle patches deliver peptides through the skin’s outer layer using arrays of microscopic needles, enabling painless self-administration and improved patient compliance.
Microneedle Types
| Type | Material | Mechanism | Advantages |
|---|---|---|---|
| Solid | Silicon, metal | Skin puncture | Simple design |
| Coated | Metal + peptide | Coating dissolution | Fast delivery |
| Dissolving | Polymer | Needle dissolution | No sharps waste |
| Hollow | Silicon, metal | Liquid injection | High dose capacity |
Clinical Applications
- Vaccines: Painless vaccination programs
- Diabetes: Insulin delivery
- Obesity: GLP-1 agonist delivery
- Hormone therapy: Growth hormone, testosterone
Advantages
- Painless or minimal pain
- Self-administration
- No cold chain (some formulations)
- Improved adherence
- Reduced needle-stick injuries
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