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Library · Metabolic & weight · Treatment of type 2 diabetes and weight management

Exenatide (Byetta, Bydureon)

Byetta, Bydureon, AC2993, Exendin-4 (synthetic)

Synthetic GLP-1 receptor agonist marketed as twice-daily Byetta (approved 2005) and once-weekly extended-release Bydureon (approved 2012). Mimics GLP-1 to boost insulin, suppress glucagon, slow digestion, and reduce appetite in type 2 diabetes, often with modest weight loss.

Research score 90/100. Reference only, not a dose.

Boxed warning: Risk of medullary thyroid carcinoma (MTC) with Bydureon BCise. Contraindicated in patients with a personal or family history of MTC or Multiple Endocrine Neoplasia syndrome type 2 (MEN 2).

  • Blood Sugar Control
  • Appetite Suppression
  • GLP-1 Agonist
  • Weight Loss
  • Metabolic Enhancement
  • Neuroprotective
US status
FDA Approved
Approval
FDA + EMA Approved
Evidence
Extensive Human Studies
Research score
90 / 100
Indication
Type 2 Diabetes Mellitus
Origin
USA
Source category
Digestive System
Status group
Approved / prescription

Mechanism

Shares 53% sequence identity with human GLP-1 and activates GLP-1 receptors on pancreatic beta cells via cAMP/PKA and PI3K/Akt signaling; resists DPP-4 breakdown for a longer half-life, slows gastric emptying via vagal signaling, and supports beta-cell survival through CREB activation.

Safety file

Boxed warning for thyroid C-cell tumors; common effects include nausea, vomiting, diarrhea, headache; risks include pancreatitis, hypoglycemia with other diabetes drugs, kidney injury, and gallbladder disease.

  • Nausea
  • Vomiting
  • Diarrhea
  • Headache
  • Dizziness
  • Abdominal pain
  • Injection site reactions
  • Hypoglycemia (when used with sulfonylureas)
  • Pancreatitis
  • Kidney injury
  • Gallbladder disease
  • Severe allergic reactions