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How much does BYDUREON lower A1C? A review of clinical data

2 min read

Clinical trials have consistently shown that BYDUREON can lead to a significant reduction in A1C levels for adults with type 2 diabetes. Depending on baseline levels and concurrent medications, studies demonstrate that patients experience an average A1C reduction ranging from 1.4% to 1.9%.

Quick Summary

BYDUREON (exenatide extended-release) effectively lowers A1C levels in type 2 diabetes patients, with clinical trial results showing average decreases of up to 1.9 percentage points. Its efficacy varies depending on a patient's health profile and concurrent therapies.

Key Points

  • Average A1C Reduction: Clinical trials show that BYDUREON can lower a patient's A1C by approximately 1.4% to 1.9% on average, with the potential for higher reductions in patients with a higher starting A1C.

  • Sustained Efficacy: The A1C-lowering effects of BYDUREON have been demonstrated to be durable and sustained over several years of treatment.

  • Convenient Dosing: BYDUREON's once-weekly dosing schedule, especially with the modern BCise autoinjector, offers a convenient and straightforward regimen for patients.

  • Compared to Other Medications: BYDUREON has shown superior A1C reduction compared to the older twice-daily exenatide (BYETTA) and some oral agents like sitagliptin, but may be less potent than newer GLP-1 agonists such as Ozempic.

  • Additional Benefits: Many patients experience associated weight loss with BYDUREON treatment, an additional benefit for many with type 2 diabetes.

  • Factors Affecting Outcome: A patient's individual response can be influenced by their baseline A1C, adherence to the medication, and whether it is used in combination with other diabetes drugs.

In This Article

Understanding BYDUREON's Action on A1C

BYDUREON is a GLP-1 receptor agonist containing exenatide. It mimics incretin hormones, which regulate blood sugar after eating. This action leads to increased insulin release, suppressed glucagon release, slowed gastric emptying, and increased feelings of fullness, potentially aiding weight loss. Due to its glucose-dependent action, BYDUREON has a lower risk of hypoglycemia when used alone.

Quantifying A1C Reduction: Clinical Trial Findings

Studies have shown that BYDUREON provides significant and lasting A1C reductions.

  • In one study, patients on once-weekly exenatide saw an average A1C reduction of 2.0% over 52 weeks, with a sustained 1.6% reduction after three years.
  • BYDUREON monotherapy reduced A1C by 1.5% over 26 weeks, comparable to metformin and pioglitazone, and better than sitagliptin in another trial.
  • Comparing BYDUREON to twice-daily BYETTA, once-weekly BYDUREON resulted in a superior A1C reduction of 1.6% versus 0.9% over 24 weeks.
  • The BYDUREON BCise autoinjector has shown similar A1C reductions, with average decreases of up to 1.4%.

A Comparison of A1C Reductions

Understanding how BYDUREON compares to other diabetes medications can help in treatment decisions. The table below provides a general comparison, though individual responses may vary.

Medication (Class) Typical A1C Reduction Range Notes and Context
BYDUREON (Exenatide ER) (GLP-1 Agonist) 1.4% to 1.9% Reductions may be greater in patients with higher baseline A1C and often includes weight loss.
Metformin (Biguanide) ~1.5% A common initial treatment for type 2 diabetes.
Insulin Glargine (Long-Acting Insulin) ~1.0% to 1.3% Used when oral medications are insufficient. One study showed BYDUREON had superior A1C reduction.
Ozempic (Semaglutide) (GLP-1 Agonist) ~1.5% Generally considered more potent than exenatide for A1C and weight reduction.
Sitagliptin (Januvia) (DPP-4 Inhibitor) ~0.8% to 1.2% Less potent than BYDUREON for A1C lowering.

Patient Considerations for BYDUREON Treatment

Choosing BYDUREON involves discussing several factors with a healthcare provider:

  • Administration: It is a convenient once-weekly injection, available in the BCise pen.
  • Baseline A1C: Higher starting A1C levels are often associated with larger reductions.
  • Other Medications: BYDUREON can be used with other diabetes drugs like metformin, but combining with insulin or sulfonylureas requires careful monitoring for hypoglycemia.
  • Side Effects: Nausea and injection site reactions are common but often improve. Rare, serious side effects include pancreatitis and potential thyroid C-cell tumors (in animal studies).

Conclusion

BYDUREON is an effective treatment for type 2 diabetes, providing a significant and lasting A1C reduction between 1.4% and 1.9% based on clinical evidence. Its once-weekly dose and potential for weight loss are benefits. While newer options like Ozempic may offer greater A1C reduction, BYDUREON remains valuable. Patients should consult their doctor to determine if BYDUREON is suitable for their diabetes care plan.

For more information, see the full prescribing information for BYDUREON BCise.

Frequently Asked Questions

Based on clinical studies, BYDUREON typically lowers average A1C levels by 1.4 to 1.9 percentage points, with the exact amount varying depending on baseline A1C and whether it is combined with other medications.

While the medication begins to work right away, the full A1C-lowering effect is not immediate. It builds up over several weeks, with the drug reaching steady-state concentration and optimal A1C reduction after approximately 10 weeks of dosing.

In clinical comparisons, Ozempic (semaglutide) has generally demonstrated a greater A1C reduction compared to BYDUREON (exenatide extended-release).

Yes, head-to-head clinical studies have shown that the once-weekly BYDUREON provides a significantly greater reduction in A1C compared to the twice-daily BYETTA formulation.

Yes, clinical data indicates that patients with higher starting A1C levels tend to experience a more substantial drop in their A1C percentage with BYDUREON treatment.

Yes, BYDUREON is often used in combination with other anti-diabetic agents, including metformin, sulfonylureas, and thiazolidinediones, to achieve optimal glycemic control.

The most common side effects are gastrointestinal, such as nausea, diarrhea, and vomiting, along with injection-site nodules or reactions. Nausea is most common at the start of treatment and tends to improve over time.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.