TheraRadar
Data updated: May 26, 2026

MYDAYIS (amphetamine aspartate)

CNS Approved 2017-06-20

Mydayis is a central nervous system stimulant used for patients 13 years and older who have Attention Deficit Hyperactivity Disorder (ADHD). It helps manage the symptoms of this condition in adolescents and adults. The medication is specifically intended for these older age groups, as children 12 and younger may experience higher drug exposure and increased side effects like insomnia or decreased appetite.

Source: FDA Label • Takeda

How MYDAYIS Works

This medication works by acting as a central nervous system stimulant. It is classified as a non-catecholamine sympathomimetic amine, though the exact way it produces a therapeutic effect for ADHD is not currently known.

2
Indications
--
Phase 3 Trials
1
Priority Reviews
8
Years on Market

Details

Status
Prescription
First Approved
2017-06-20
Patent Cliff
2029

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Routes
ORAL
Dosage Forms
CAPSULE, EXTENDED RELEASE

MYDAYIS Approval History

2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
20 FDA actions from 2017 to 2026 · 1 indication expansions
Apr 2026 SUPPL
Label · Labeling
Oct 2023 SUPPL
Label · Labeling
Feb 2022 SUPPL
Label · Labeling

What MYDAYIS Treats

1 indications

MYDAYIS is approved for 1 conditions since its original approval in 2017. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Attention Deficit Hyperactivity Disorder
Source: FDA Label

MYDAYIS Boxed Warning

ABUSE, MISUSE, AND ADDICTION MYDAYIS has a high potential for abuse and misuse, which can lead to the development of a substance use disorder, including addiction. Misuse and abuse of CNS stimulants, including MYDAYIS, can result in overdose and death [see Overdosage (10) ] , and this risk is increased with higher doses or unapproved methods of administration, such as snorting or injection. Before prescribing MYDAYIS, assess each patient’s risk for abuse, misuse, and addiction. Educate patients ...

MYDAYIS Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to MYDAYIS

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FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

ADDERALL XR 10
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ADDERALL XR 15
AMPHETAMINE ASPARTATE
1 shared
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ADDERALL XR 20
AMPHETAMINE ASPARTATE
1 shared
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Clinical Trial Registry

1 trials
Trial Sponsor ID Phase Status Title
NCT03945175 MYDAYIS results posted 19-00046 Ph 3 completed Study of the Duration and Efficacy of MYDAYIS on Adult ADHD Symptoms and Executive Function Throughout the Day Into the Early Evening
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Active Pipeline

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Key Completed Trials

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

MYDAYIS FDA Label Details

Indications & Usage

FDA Label (PDF)

MYDAYIS is indicated for the treatment of Attention Deficit Hyperactivity Disorder.

⚠️ BOXED WARNING

WARNING: ABUSE, MISUSE, AND ADDICTION MYDAYIS has a high potential for abuse and misuse, which can lead to the development of a substance use disorder, including addiction. Misuse and abuse of CNS stimulants, including MYDAYIS, can result in overdose and death [see Overdosage (10) ] , and this risk ...

View full patent landscape →
2 OB patents · 1 families · 7 international docs across 1 countries

MYDAYIS Patents & Exclusivity

Latest Patent: Aug 2029

Patents (2 active)

US8846100 Expires Aug 24, 2029
US9173857 Expires May 12, 2026
Source: FDA Orange Book

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Revenue Insights

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  • Historical trend analysis

Patent Timeline

  • Cliff: 2029
  • 32 active patents

Trial Analysis

  • Clinical trial tracking
  • Development stage analysis

Competitive Landscape

  • 20 similar drugs
  • Same target/indication analysis
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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.