Instradefylline (40mg/day) given for 2 weeks in principle (3 weeks maximum).

2 trials

Sponsors

Okita Kyoji

Conditions

Methamphetamine use disorder MethamphetaminePhysically and mentally healthy

Unknown Phase

Effect of adenosine A2a receptor blockade on dopamine D2 receptors

Active, not recruitingJPRN-jRCTs031180131

Okita KyojiPhysically and mentally healthy

Start: 2019-05-13Target: 40Updated: 2026-06-29

Adenosine 2a antagonist and striatal dopamine D2 receptors in methamphetamine use disorder

Active, not recruitingJPRN-jRCTs031200330

Okita KyojiMethamphetamine use disorder Methamphetamine

Start: 2021-10-28Target: 30Updated: 2026-09-14

Related Papers

Effects of an Adenosine A2A Receptor Antagonist on Striatal Dopamine D2-Type Receptor Availability: A Randomized Control Study Using Positron Emission Tomography

Frontiers in Neuroscience2021-09-134 citations