ADHD Medication Options Between Concerta XL and Medikinet XL
Equasym XL/Metadate CD is the ideal ADHD medication option that falls between Concerta XL (longer-acting) and Medikinet XL (shorter-acting) in terms of duration of effect. 1
Comparison of Available Extended-Release Methylphenidate Formulations
Duration of Action
- Concerta XL (OROS-MPH): 12-hour duration using osmotic pump system 2, 3
- Equasym XL/Metadate CD: 8-hour duration using microbead technology 4
- Medikinet Retard: Shorter duration than Equasym XL 1
- Ritalin LA: 8-hour duration using microbead technology 4
Release Mechanisms and Pharmacokinetic Profiles
Concerta XL:
Equasym XL/Metadate CD:
Medikinet Retard:
- Similar to Equasym but with different immediate-release/extended-release ratio
- Shorter overall duration than Equasym XL 1
Ritalin LA:
- Uses microbead technology with 50% immediate-release and 50% extended-release beads
- Two distinct peak plasma concentrations approximately 4 hours apart
- 8-hour duration 5
Clinical Implications and Selection Criteria
When to Choose Equasym XL/Metadate CD
- When Concerta XL provides too long coverage (12 hours) but Medikinet XL doesn't provide enough
- For patients who need stronger morning coverage than Concerta provides but don't need the full 12-hour coverage 1
- For school-aged children who need coverage primarily during school hours but not into the evening
Advantages of Equasym XL/Metadate CD
- Provides a more pronounced morning effect compared to Concerta XL
- Offers a longer duration than Medikinet XL
- Eliminates the need for in-school dosing, which can cause stigma and adherence issues 2, 3
- Provides 8-hour coverage, which is sufficient for most school days 4
Practical Considerations
- All extended-release formulations improve medication adherence compared to immediate-release preparations that require multiple daily doses 2
- Different pharmacokinetic profiles allow physicians to prescribe a formulation best suited to the symptom profile of individual patients 1
- Common side effects across all formulations include decreased appetite, sleep disturbances, increased blood pressure, headaches, and stomach pain 2, 3
Monitoring and Follow-up
- Regular monitoring of blood pressure, heart rate, and side effects is essential 3
- Monitor height and weight regularly as growth suppression is a potential concern 3
- Assess for continued efficacy and need for dosage adjustments
Equasym XL/Metadate CD provides an excellent middle-ground option between the longer-acting Concerta XL (12 hours) and the shorter-acting Medikinet XL, making it an ideal choice for patients who need an intermediate duration of action.