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Internal Combustion Engine01:20

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Torque is an important quantity for describing the dynamics of a rotating rigid body. We see the application of torque in many ways in the world, such as when pressing the accelerator in a car, which causes the engine to apply additional torque on the drivetrain. Here, we define torque and provide a framework to create an equation to calculate torque for a rigid body with fixed-axis rotation.
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Endurance Training Protocol and Longitudinal Performance Assays for Drosophila melanogaster
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Daytrana: the first year.

Elisa F Cascade1, Amir H Kalali, David Feifel

  • 1Ms. Cascade is Vice President, Strategic Research and Safety, Quintiles Inc., Falls Church, Virginia.

Psychiatry (Edgmont (Pa. : Township))
|April 30, 2010
PubMed
Summary
This summary is machine-generated.

Daytrana prescriptions were high in its first year, with psychiatry leading usage. Children and adolescents were the primary users, exceeding typical attention-deficit/hyperactivity disorder (ADHD) market demographics.

Keywords:
ADHDDaytranaattention deficit hyperactivity disordermethylphenidate transdermal systempatch

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Area of Science:

  • Pharmacology
  • Pediatrics
  • Psychiatry

Background:

  • Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder.
  • Methylphenidate is a primary medication for ADHD treatment.
  • Daytrana is a transdermal methylphenidate patch.

Purpose of the Study:

  • To analyze the utilization patterns of Daytrana in the United States during its initial year of market availability.
  • To identify the prescribing specialties and demographic characteristics of Daytrana users.

Main Methods:

  • Retrospective analysis of prescription data.
  • Data collected from May 2006 to April 2007.
  • Comparison with broader ADHD market user demographics.

Main Results:

  • A total of 512,085 Daytrana prescriptions were issued in the first year post-launch.
  • Psychiatry accounted for 34% of all Daytrana prescriptions.
  • Children and adolescents constituted 88% of Daytrana users, compared to 57% in the overall ADHD market.

Conclusions:

  • Daytrana experienced substantial uptake in its first year, particularly within psychiatric practice.
  • The drug's user base skewed younger, with a higher proportion of pediatric and adolescent patients compared to the general ADHD population.
  • These findings highlight specific prescribing trends and patient populations for this ADHD medication.