Insulin Aspart vs PACAP-27

Head-to-head comparison of Insulin Aspart (Insulin aspart (B28-Asp human insulin analog)) and PACAP-27 (Pituitary Adenylate Cyclase-Activating Polypeptide-27) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyInsulin AspartPACAP-27
CategoryDiabetes & MetabolicDiabetes & Metabolic
Full NameInsulin aspart (B28-Asp human insulin analog)Pituitary Adenylate Cyclase-Activating Polypeptide-27
Molecular Weight5825.8 Da3158 Da
Half-LifeAbout 1-3 hoursminutes
Amino Acids5127
Typical Dose0.05-0.2 U/kg per mealResearch-only: 0.1-1 nmol/kg
RouteSubcutaneousIntraperitoneal/Subcutaneous
Purity≥98%≥98%
Studies Count11000220
Research StatusApprovedPre-clinical

Insulin Aspart Benefits

  • Fast post-meal glucose lowering
  • Predictable onset
  • Flexible mealtime administration
  • Compatible with pump therapy

PACAP-27 Benefits

  • anti-apoptotic signaling
  • insulin secretagogue effect
  • reduced ER stress
  • islet cytoprotection

Insulin Aspart Dosing

Inject SC immediately before meals|Titrate using glucose monitoring and carbohydrate intake|Can be used in insulin pumps or basal-bolus regimens

PACAP-27 Dosing

0.1-1 nmol/kg in animal studies|10-100 nM in vitro|research-only intermittent dosing

Insulin Aspart Side Effects

  • Hypoglycemia
  • Injection-site reactions
  • Weight gain

PACAP-27 Side Effects

  • flushing
  • hypotension at high exposure
  • headache

Research Overview

Insulin Aspart

Research consistently shows faster onset and earlier peak action than regular human insulin. It is commonly studied for meal-time glycemic control and pump-based insulin delivery.

PACAP-27

PACAP-27 has been repeatedly shown to support beta-cell survival through cAMP/PKA and related pathways. In experimental models it mitigates cytokine damage, preserves insulin content, and helps maintain islet viability.

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Common Stacking Partners

Insulin Aspart stacks with:

Insulin GlargineInsulin Degludec

PACAP-27 stacks with:

GLP-1 analogsDPP-4 inhibitorsdiet and exercise
rapid-acting insulinmeal coveragepump-compatibleneuropeptidebeta-cell protectioncAMP signaling