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Gabapentin immediate release — Competitive Intelligence Brief

Gabapentin immediate release (Gabapentin immediate release) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Anticonvulsant; gabapentinoid. Area: Neurology.

marketed Anticonvulsant; gabapentinoid Voltage-gated calcium channel alpha-2-delta subunit Neurology Small molecule Live · refreshed every 30 min

Target snapshot

Gabapentin immediate release (Gabapentin immediate release) — Theresa Zesiewicz, MD. Gabapentin binds to the alpha-2-delta subunit of voltage-gated calcium channels in the central nervous system, reducing the release of excitatory neurotransmitters.

Comparator set (6 drugs)

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DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Gabapentin immediate release TARGET Gabapentin immediate release Theresa Zesiewicz, MD marketed Anticonvulsant; gabapentinoid Voltage-gated calcium channel alpha-2-delta subunit
Gabapentin Enacarbil (GEn) Gabapentin Enacarbil (GEn) Cleveland Sleep Research Center marketed Gabapentinoid; anticonvulsant/neuropathic pain agent Voltage-gated calcium channel alpha-2-delta subunit
Lyrica (low dose) Lyrica (low dose) KunWha Pharmaceutical Co., Ltd. phase 3 Gabapentinoid; anticonvulsant; analgesic Voltage-gated calcium channel alpha-2-delta subunit
Acetaminophen, Gabapentin Acetaminophen, Gabapentin University of Saskatchewan phase 3 Analgesic combination (non-opioid analgesic + anticonvulsant) Prostaglandin synthesis (acetaminophen); voltage-gated calcium channel alpha-2-delta subunit (gabapentin)
Neurontin gabapentin Generic (originally Parke-Davis/Pfizer) marketed Gabapentinoid (anticonvulsant/neuropathic pain agent) Large neutral amino acids transporter small subunit 1, Adenosine receptor A1, Alpha-2A adrenergic receptor 1993-12-30
Magnesium Sulfate Magnesium Sulfate Pfizer marketed Electrolyte; anticonvulsant Neuromuscular junction; motor nerve impulse; acetylcholine release 1981-01-01
gabapentin + tramadol gabapentin + tramadol Southwest Hospital, China marketed Analgesic combination (anticonvulsant + opioid) Voltage-gated calcium channels (Cav2.1, Cav2.2); μ-opioid receptor; serotonin and norepinephrine transporters

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Anticonvulsant; gabapentinoid class)

  1. Mario Negri Institute for Pharmacological Research · 1 drug in this class
  2. Theresa Zesiewicz, MD · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Gabapentin immediate release — Competitive Intelligence Brief. https://druglandscape.com/ci/gabapentin-immediate-release. Accessed 2026-05-14.

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