Pharma Patent Cliffby readouts.io
Late-stage pipeline · Neuroscience

Late-stage neuroscience biotechs

$24.4B of 2025 neuroscience blockbuster sales lose US exclusivity by 2037, led by Ocrevus, Kesimpta, Vyvgart. These 17 public biotechs have 26 neuroscience treatments in Phase 3 or filed with the FDA, 8 of them already filed.

Who is losing neuroscience revenue

2025 sales each company reports from tracked neuroscience treatments losing US exclusivity by 2037. Big pharma has spent $59.8B on 7 neuroscience acquisitions since 2023. See the deals →

17 biotechs with late-stage neuroscience treatments

NRx Pharmaceuticals NRXP

Ketamine manufacturing validation strengthens launch readiness ahead of November 10 ANDA goal

  • NRX-100 FiledDepression · NMDA receptor modulator
  • preservative-free ketamine ANDA FiledAnesthesia
  • NRX-101 Phase 3Depression · NMDA receptor modulator
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Praxis Precision Medicines PRAX

FDA decisions on relutrigine (Dec 27) and ulixacaltamide (Jan 29) approach after clean mid-cycle reviews; vormatrigine restarts after POWER1 missed

  • relutrigine FiledDevelopmental And Epileptic Encephalopathy · first-in-class preferential inhibitor of persistent sodium current
  • ulixacaltamide FiledEssential Tremor · selective T-type calcium channel inhibitor
  • elsunersen Phase 3Scn2A Developmental And Epileptic Encephalopathy · antisense oligonucleotide selectively decreasing SCN2A expression
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Xenon Pharmaceuticals XENE

Azetukalner is filed in focal epilepsy as Xenon pauses new psychiatry enrollment

  • azetukalner FiledFocal Onset Seizures · Kv7 potassium channel opener
  • azetukalner Phase 3Major Depressive Disorder · Kv7 potassium channel opener
  • azetukalner Phase 3Primary Generalized Tonic-Clonic Seizures · Kv7 potassium channel opener
  • azetukalner Phase 3Bipolar Depression · Kv7 potassium channel opener
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Larimar Therapeutics LRMR

Larimar plans to complete its rolling BLA for nomlabofusp in 2H 2026, seeking accelerated approval on skin frataxin, with a mid-2027 launch target

  • nomlabofusp FiledFriedreich'S Ataxia · cell penetrating peptide-fused frataxin protein replacement
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uniQure QURE

AMT-130 BLA filed on three-year data; four-year analysis missed significance on cUHDRS

  • AMT-130 FiledHuntington'S Disease · gene therapy (microRNA-based huntingtin suppression)
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Biohaven BHVN

Biohaven licensed opakalim to SK Biopharmaceuticals and BHV-1300 in Asia to Ono, funding its Graves' disease Phase 3 after the troriluzole rejection

  • BHV-8000 Phase 3Parkinson'S Disease · brain-penetrant TYK2/JAK1 inhibitor
  • Opakalim Phase 3Epilepsy · Kv7.2/7.3 ion channel activator
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Ionis Pharmaceuticals IONS

Ionis's own launches are growing; partner Roche reported Phase 3 sefaxersen data

  • obudanersen Phase 3Angelman Syndrome · UBE3A-ATS inhibitor (RNA-targeted)
  • ulefnersen Phase 3Amyotrophic Lateral Sclerosis · FUS protein reducer (RNA-targeted)
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AC Immune SA ACIU

AC Immune expects initial data by year-end on whether its NLRP3 inhibitor ACI-19764 lowers inflammation in patients, and plans FDA meetings on a Phase 2 expansion for its Parkinson's vaccine ACI-7104 in early 2027; cash of CHF 75.4 million lasts into Q4 2027

  • PI-2620 Phase 3Alzheimer'S Disease · Tau-PET tracer
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Coya Therapeutics COYA

Coya prioritizes ALS; FTD start moves to 2027, runway guidance unchanged

  • COYA 302 Phase 3Amyotrophic Lateral Sclerosis · dual immunomodulatory biologic; Treg enhancer and monocyte/macrophage inflammation suppressor
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Intellia Therapeutics NTLA

FDA accepted Intellia's BLA for lonvo-z in hereditary angioedema with Priority Review and a March 10, 2027 decision date; both nex-z Phase 3 trials resumed enrollment after FDA lifted its clinical holds

  • nex-z Phase 3Hereditary ATTR Amyloidosis With Polyneuropathy · in vivo CRISPR-based gene inactivation; reduces TTR protein production
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Neuphoria Therapeutics NEUP

Neuphoria is merging into Scancell, whose iSCIB1+ showed 77% 22-month PFS with ipilimumab and nivolumab in melanoma

  • BNC-210 Phase 3Social Anxiety Disorder · α7 nicotinic receptor negative allosteric modulator
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OKYO Pharma OKYO

OKYO's Phase 3 NEPTUNE trial of urcosimod in neuropathic corneal pain enrolled its first patients in October

  • urcosimod Phase 3Neuropathic Corneal Pain · lipid-conjugated chemerin peptide agonist of ChemR23 GPCR
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What this shows

Filed treatments are listed first. This shows where late-stage treatments are being developed, not which companies will be acquired.

Data

Pipeline data and summaries from Readouts as of 13 November 2026; companies already acquired are left out.