This is a list of investigational attention deficit hyperactivity disorder drugs, or drugs that are currently under development for clinical use in the treatment of attention deficit hyperactivity disorder (ADHD) but are not yet approved. Chemical/generic names are listed first, with developmental code names, synonyms, and brand names in parentheses. This list was last comprehensively updated in September 2021. It is likely to become outdated with time.
Under development
Preregistration ATT-377 – combination treatment of methylphenidate extended-release and cyproheptadine TRN-110 [extended-release] – undefined mechanism / extended-release form of an undisclosed drug
Phase 3 clinical trials Dexmethylphenidate [controlled release] (CTX-1301) – norepinephrine–dopamine reuptake inhibitor Edivoxetine (LY-2216684) – norepinephrine reuptake inhibitor Molindone [extended-release] (AFX-2201, EN-1733A, molindone XR, SPN-810, SPN-810M, Zalvari) – antipsychotic / dopamine D2 receptor antagonist and serotonin 5-HT2B receptor antagonist — specifically under development for impulsive aggression in ADHD Serdexmethylphenidate (KP-484) – dexmethylphenidate prodrug / norepinephrine–dopamine reuptake inhibitor Solriamfetol (ADX-N05, ARL-N05, JZP-110, SKL-N05; Sunosi) – norepinephrine–dopamine reuptake inhibitor
Phase 2 clinical trials CX-717 – ampakine / AMPA receptor modulator Mazindol [controlled release] (NLS-0, NLS-1, NLS-10, NLS-13, NLS-2, Nolazol, Quilience) – serotonin–norepinephrine–dopamine reuptake inhibitor PDC-1421 (BLI-1005) – norepinephrine reuptake inhibitor
Phase 1 clinical trials AFX-2401 – "neurotransmitter modulator" Atomoxetine [oral solution] (TAH-9922) – norepinephrine reuptake inhibitor Dextroamphetamine [abuse-deterrent immediate-release] (ADAIR) – norepinephrine–dopamine releasing agent
Preclinical/research Atomoxetine [oral suspension] – norepinephrine reuptake inhibitor Dextroamphetamine [controlled release] (CTX-1302) – norepinephrine–dopamine releasing agent NNI-351 – DYRK1A inhibitor and "neurogenesis enhancer"
No development reported AFI-002 – undefined mechanism Altropane (123-I Altropane®, [123I]-E-IACFT Injection, [123I]NAV5001, CFT, Iodine-123-E-IACFT Injection, NAV-5001, O-587) – dopamine reuptake inhibitor / single-photon emission-computed tomography enhancer Amphetamine [oral abuse-deterrent immediate-release] (ADAIR) – norepinephrine–dopamine releasing agent Bavisant (BEN-2001, JNJ-1074, JNJ-31001074) – histamine H3 receptor antagonist BCWP-E003 – undefined mechanism BLI-1008 – undefined mechanism Brilaroxazine (RP-5000, RP-5063) – atypical antipsychotic / dopamine receptor partial agonist and serotonin receptor modulator Cannabidiol/gabapentin (Cannbleph) – cannabinoid receptor modulator and gabapentinoid Ciforadenant (CPI-444, V-81444) – adenosine A2A receptor antagonist CM-4612 (CM-ADHD, CM-AT, CM-PK) – gastrointestinal/pancreatic enzyme replacement therapy CRD-102 – undefined mechanism Dasotraline (DSP-225289, SEP-225289, SEP-0225289, SEP-225289-HCI, SEP-289) – serotonin–norepinephrine–dopamine reuptake inhibitor Dextroamphetamine [abuse-resistant] (PF-08, PFR 08001, PFR08026) – norepinephrine–dopamine releasing agent Dextroamphetamine sulfate [modified release capsules] (HLD-900, HLD-100) – norepinephrine–dopamine releasing agent Dopamine [intranasal] (DopaMat, MPP-18) – dopamine receptor agonist Eltoprazine (DU-28853) – serotonin 5-HT1A and 5-HT1B receptor agonist Fasoracetam [co-crystallised] (AEVI-004, NFC-1) – racetam / metabotropic glutamate receptor modulator GTS-21 (DMXB-A, DMXB-A sustained release, DMXB-A-SR) – α7 nicotinic acetylcholine receptor agonist Guanfacine [once-daily] (Guanfacine Carrier Wave, SPD-547) – α2-adrenergic receptor agonist IPX-233 (IPX233 ER C0003, IPX233-C0001, IPX233-C0002, IPX233-T0001, IPX233-T0002) – central nervous system stimulant Masupirdine (M1, M1 of SUVN-502, SUVN-502, SVN-502) – serotonin 5-HT6 receptor antagonist Methylphenidate [extended-release/abuse-resistant] (COL-171) – norepinephrine–dopamine reuptake inhibitor Methylphenidate [fast dissolve tablet] [Samyang Holdings Biopharmaceuticals] – norepinephrine–dopamine reuptake inhibitor Methylphenidate [transdermal system] (SHX-009) – norepinephrine–dopamine reuptake inhibitor Methylphenidate/naltrexone (AVK-001) – norepinephrine–dopamine reuptake inhibitor and opioid receptor antagonist Nic-12 – undefined mechanism NLS-2 – antianaemic / heavy metal / iron replacement PD-3044 – dopamine reuptake inhibitor Pitolisant (tiprolisant; BF-2.649, BF-2649, Ozawade, Wakix) – histamine H3 receptor antagonist R-Sibutramine metabolite ((+)-desmethylsibutramine, (+)-didesmethylsibutramine, R-DDMS, R-desmethylsibutramine, R-didesmethylsibutramine) – serotonin–norepinephrine–dopamine reuptake inhibitor Selegiline [transdermal] (Emsam) – monoamine oxidase B inhibitor SKL-13865 (SKL-ADHD) – norepinephrine–dopamine reuptake inhibitor Sofinicline (A-422894.0, ABT-894) – α4β2 nicotinic acetylcholine receptor modulator SPN-811 – undefined mechanism Taminadenant (NIR-178, PBF-509) – adenosine A2A receptor antagonist
Research programmes Ampakines / AMPA receptor modulators [RespireRx] (CX-516, CX-614, CX-707, CX-929, CX-1501, CX-1763, CX-1796, CX-1837, CX-1846, CX-1942, CX-2007, CX-2076) Cannabis extracts [Cannabis Science] (CBIS GAP-001, CBIS LC-001, CBIS OBLD-001, CBIS OCD-001, CBIS PC-001, CBIS PPC-001, CBIS PS-001, CBIS SD-001, CBIS SSA-001, CBIS-OS-001, CBIS-PTSD-001, CS NEURO 1, CS-S/BCC-1, CS-TATI-1) – cannabinoid receptor modulators Norepinephrine reuptake inhibitors / adrenergic receptor antagonists [Pfizer] (NRI-022, NRI-193, WAY-253203, WAY-256805, WAY-260022, WAY-315193, WAY-318068) Pim2 / PolyPhetamine [ITL Pharma] Subtype-selective glutamate NMDA receptor modulators / glutamate NR2B receptor modulators [Novartis]
Not under development
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