TheraRadar
Data updated: May 26, 2026

RELEXXII (methylphenidate hydrochloride)

CNS Approved 2022-06-23

Relexxii is a central nervous system stimulant used for patients with Attention Deficit Hyperactivity Disorder (ADHD). It helps adults up to age 65 and children 6 years of age and older manage their symptoms. This medication is not recommended for children under 6 because they may experience higher drug exposure and a greater risk of side effects like weight loss.

Source: FDA Label • OSMOTICA PHARM US

How RELEXXII Works

This medication works as a central nervous system stimulant. While it is used to manage ADHD, the specific way the drug produces its therapeutic effects in the body is not known.

1
Indication
--
Phase 3 Trials
3
Years on Market

Details

Status
Prescription
First Approved
2022-06-23
Patent Cliff
2037

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Routes
ORAL
Dosage Forms
TABLET, EXTENDED RELEASE

Companies

Active Ingredient: METHYLPHENIDATE HYDROCHLORIDE

RELEXXII Approval History

2023
2024
2025
2026
Original
New Indication
New Form
Label Update
21 FDA actions from 2022 to 2025
Sep 2025 SUPPL
Label · Labeling
Oct 2023 SUPPL
Label · Labeling
Jun 2022 ORIGINAL
Update · Type 5 - New Formulation or New Manufacturer

What RELEXXII Treats

1 indications

RELEXXII is approved for 1 conditions since its original approval in 2022. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Attention Deficit Hyperactivity Disorder
Source: FDA Label

RELEXXII Boxed Warning

ABUSE, MISUSE, AND ADDICTION RELEXXII 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 RELEXXII, 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 RELEXXII, assess each patient’s risk for abuse, misuse, and addiction. Educate patie...

RELEXXII 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.

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Clinical Trial Registry

14 trials
Trial Sponsor ID Phase Status Title
NCT01628029 results posted 2012-0120 NCI-2012-01352, 2012-0120 Ph 2 active not recruiting Cognitive Behavioral Therapy and Multimodal Therapy in Treating Sleep Disturbance in Patients With Cancer
NCT05185583 77169 Ph 2 completed Methylphenidate in Childhood Apraxia of Speech
NCT06465641 KBGS_N_of_1 113883 Ph 4 recruiting Methylphenidate in KBG Syndrome: N-of-1 Series
NCT04152629 reFOQus CAN-MA-FOQ-001 Ph 4 completed Real World Evidence of the Efficacy and Safety of FOQUEST
NCT00763971 results posted SPD489-325 2008-000679-90 Ph 3 completed Randomized, Double-blind Safety and Efficacy Study of Lisdexamfetamine Dimesylate (LDX) in Children and Adolescents Aged 6-17
NCT01552902 results posted SPD489-406 2011-005452-34 Ph 4 completed Effectiveness of Vyvanse Compared to Concerta in Adolescents With Attention-deficit/Hyperactivity Disorder
NCT01183234 results posted SPD544-101 Ph 1 completed SPD544 High Strength Bioequivalence Study
NCT01552915 results posted SPD489-405 Ph 4 completed Effectiveness of Vyvanse Compared to Concerta in Adolescents With Attention-deficit/Hyperactivity Disorder
NCT02247986 140193 14-M-0193 Ph 1, Ph 2 withdrawn Investigating the Impact of Methylphenidate on Neural Response in Disruptive Behavioral Disorder
NCT01914822 275-13-RMB Ritalin version 5 Ph 2 completed The Effect Methylphenidate Hydrochloride on Pain and Auditory Sensitivity in Healthy Subjects
NCT00376675 results posted NCCTG-N05C7 NCI-2012-02701, CDR0000495148 Ph 3 completed Methylphenidate in Treating Patients With Fatigue Caused by Cancer
NCT00593853 LEUPR_L_01 07-0350-C Ph 2 terminated Efficacy Study of Methylphenidate Hydrochloride to Reduce Fatigue in Prostate Cancer Patients Receiving Hormone Therapy
NCT01348607 results posted SCUSF 0803 SCUSF-0803, 5U10CA081920-11 Ph 2 terminated Methylphenidate HCl or Modafinil in Treating Young Patients With Excessive Daytime Sleepiness After Cancer Therapy
NCT00730249 QUMEA 6520-0650-13 Ph 3 completed Quality Assurance of Administering Methylphenidate in Adults With Attention Deficit Hyperactivity Disorder (ADHD) - QUMEA
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Active Pipeline

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Key Completed Trials

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Completed studies with published results, ranked by significance

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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.

RELEXXII FDA Label Details

Indications & Usage

FDA Label (PDF)

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

⚠️ BOXED WARNING

WARNING: ABUSE, MISUSE, AND ADDICTION RELEXXII 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 RELEXXII, can result in overdose and death [see Overdosage ( 10 )] , and this ri...

View full patent landscape →
5 OB patents · 1 families · 12 international docs across 5 countries

RELEXXII Patents & Exclusivity

Latest Patent: Feb 2037

Patents (5 active)

US10695336 Expires Feb 3, 2037
US10265308 Expires Feb 3, 2037
US9855258 Expires Feb 3, 2037
US9827234 Expires Feb 3, 2037
US9707217 Expires Feb 3, 2037
Source: FDA Orange Book

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Revenue Insights

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Patent Timeline

  • Cliff: 2037
  • 245 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.