SummaryGabapentin is a small molecule drug developed by Pfizer that functions as a CACNA2D2 and Cav2.2 blocker. The drug has been approved for the treatment of various conditions, including anxiety, cough, diabetic neuropathies, epilepsy, fibromyalgia, restless legs syndrome, and seizures. Gabapentin's mechanism of action involves blocking the influx of calcium ions into neurons, thereby reducing their excitability and relieving symptoms such as pain and convulsions. Since its initial approval in 1993, Gabapentin has become a widely prescribed medication for the treatment of these conditions. However, it is important to note that Gabapentin may cause certain side effects, such as drowsiness, dizziness, and difficulty with coordination. Therefore, its use must be closely monitored by healthcare providers, and patients should follow the prescribed dosage and usage guidelines. |
Drug Type Small molecule drug |
Synonyms 1-(Aminomethyl)cyclohexaneacetic acid, Gabapentin (JAN/USP/INN), CI-945 + [17] |
Target |
Action blockers |
Mechanism CACNA2D1 blockers(Voltage-gated calcium channel alpha2/delta subunit 1 blockers), CACNA2D2 blockers(Voltage-gated calcium channel alpha2/delta subunit 2 blockers) |
Therapeutic Areas |
Active Indication |
Inactive Indication |
Originator Organization |
Active Organization |
Inactive Organization |
License Organization |
Drug Highest PhaseApproved |
First Approval Date United States (30 Dec 1993), |
RegulationOrphan Drug (United States) |
Molecular FormulaC9H17NO2 |
InChIKeyUGJMXCAKCUNAIE-UHFFFAOYSA-N |
CAS Registry60142-96-3 |
| KEGG | Wiki | ATC | Drug Bank |
|---|---|---|---|
| D00332 | Gabapentin |
| Indication | Country/Location | Organization | Date |
|---|---|---|---|
| Peripheral neuralgia | Belgium | 27 Oct 2006 | |
| Peripheral neuralgia | Czechia | 27 Oct 2006 | |
| Peripheral neuralgia | France | 27 Oct 2006 | |
| Peripheral neuralgia | Germany | 27 Oct 2006 | |
| Peripheral neuralgia | Hungary | 27 Oct 2006 | |
| Peripheral neuralgia | Iceland | 27 Oct 2006 | |
| Peripheral neuralgia | Ireland | 27 Oct 2006 | |
| Peripheral neuralgia | Italy | 27 Oct 2006 | |
| Peripheral neuralgia | Latvia | 27 Oct 2006 | |
| Peripheral neuralgia | Luxembourg | 27 Oct 2006 | |
| Peripheral neuralgia | Netherlands | 27 Oct 2006 | |
| Peripheral neuralgia | Norway | 27 Oct 2006 | |
| Peripheral neuralgia | Poland | 27 Oct 2006 | |
| Peripheral neuralgia | Portugal | 27 Oct 2006 | |
| Peripheral neuralgia | Slovenia | 27 Oct 2006 | |
| Peripheral neuralgia | Sweden | 27 Oct 2006 | |
| Peripheral neuralgia | United Kingdom | 27 Oct 2006 | |
| Neuralgia, Postherpetic | United States | 02 Mar 2000 | |
| Anxiety Disorders | Japan | 30 Dec 1993 | |
| Cough | Japan | 30 Dec 1993 |
| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| Analgesia | NDA/BLA | Canada | 01 Nov 2025 | |
| Dyspepsia | Phase 3 | United States | 01 Mar 2010 | |
| Refractory chronic cough | Phase 3 | Australia | 15 Oct 2008 | |
| Hot Flashes | Phase 3 | United States | 01 Sep 2008 | |
| Vasomotor symptom | Phase 3 | United States | 01 Sep 2008 | |
| Sleep Initiation and Maintenance Disorders | Phase 3 | United States | 01 Oct 2004 | |
| Tremor | Phase 3 | United States | 01 Mar 2004 | |
| Carpal Tunnel Syndrome | Phase 3 | Hong Kong | 01 Oct 2003 | |
| Amyotrophic Lateral Sclerosis | Phase 3 | United States | 31 Dec 1999 | |
| Herpes Labialis | Phase 1 | Belgium | 01 Jul 2008 |
Phase 2 | 54 | jjbgqpvcqf(mkurbyzzkj) = ramivepswr svlpgaaaxe (ihubwpjctw, 4.6) View more | Positive | 03 Jun 2026 | |||
Placebo | jjbgqpvcqf(mkurbyzzkj) = leyagwgbjg svlpgaaaxe (ihubwpjctw, 4.55) View more | ||||||
Phase 4 | 86 | (Standard of Care Group) | ajfdrgzzti(iyagzrppgo) = iuyczlppfb isviivdkiu (wylwwnjbfs, 0.2) View more | - | 03 Jun 2026 | ||
(Non-Opiate Pain Control Group) | ajfdrgzzti(iyagzrppgo) = mqcuzabqah isviivdkiu (wylwwnjbfs, 0.2) View more | ||||||
Phase 2 | 62 | (Arm I (Gabapentin, Methadone, Oxycodone)) | nfoddfogro(xxwkyfmbun) = vsjccuafrb xqtzouwlca (jznidalimy, 10) View more | - | 16 Apr 2026 | ||
(Arm II (Gabapentin, Methadone, Oxycodone, Venlafaxine)) | nfoddfogro(xxwkyfmbun) = iyxwwtwwrq xqtzouwlca (jznidalimy, 17) View more | ||||||
Phase 3 | 26 | Behavioral health consultation/therapy+heparin+gentamicin+sodium bicarb+Kenalog+Vaginal estrogen+Gabapentin+Oxybutynin+Detrol+Mirabegron+lidocaine+Amitriptyline+Trospium+Methenamine (Multimodal Care Bundle) | ranwqgcafq(vitdlzecqd) = mzyvmocxnm atmkmuapxn (buhayqynye, 7.11) View more | - | 01 Apr 2026 | ||
Usual Urogynecologic care (Usual Care) | ranwqgcafq(vitdlzecqd) = qmbvtdbrsf atmkmuapxn (buhayqynye, 7.34) View more | ||||||
Phase 2/3 | 90 | (Post-Operative Non Opioid Pain Protocol) | hqhaoybcer(zllzuzfmon) = ocmbmlbqgz zepmceyuvt (wyozwbbmls, waqhhovxam - ahjetawtrx) View more | - | 19 Mar 2026 | ||
(Post-Operative Traditional Pain Protocol) | hqhaoybcer(zllzuzfmon) = glzzhegaxx zepmceyuvt (wyozwbbmls, hfgtrnqzit - heftwltqdl) View more | ||||||
Phase 4 | 109 | (Pregabalin) | dyxuwusixy(ygitusgtlh) = pfqwiciana blvkyoetku (lbxehgwmfe, eudqrrudys - wfqozrztvf) View more | - | 06 Jan 2026 | ||
(Gabapentin) | dyxuwusixy(ygitusgtlh) = weieppriln blvkyoetku (lbxehgwmfe, fmbbtlxsec - msbzfxmoyn) View more | ||||||
Not Applicable | 500 | qsqjpgauxn(eawqxcxwjt) = axfxrkcsdx rypiceondp (ugfnybatmp ) View more | Negative | 24 Oct 2025 | |||
Phase 4 | 110 | Gabapentin Placebo (Placebo) | ysexptxgch(agarnuguta) = ybpxrdmsyt kdsyclatil (ribfqjhvjq, jgoqxgxrli - ngsusghglm) View more | - | 12 Aug 2025 | ||
(Intervention) | ysexptxgch(agarnuguta) = ogcebrjudc kdsyclatil (ribfqjhvjq, hiaamjebyy - vobicuzzjg) View more | ||||||
Phase 4 | 58 | hcbqmsinbw = dewjsqcryo jqoionhtyd (vbucekasgc, zpqxgewqrh - hjjqqitlyw) View more | - | 08 Jul 2025 | |||
hcbqmsinbw = yqevmuadnn jqoionhtyd (vbucekasgc, rgzcjrinks - kjcqsvstba) View more | |||||||
Not Applicable | - | 145 | Patient-controlled analgesia (PCA) with intravenous opioids | - | Positive | 14 May 2025 | |
lrxkrbkjac(kwqggfutbn) = uamxgnzwsi xryjykqadg (lqhzotlfww ) View more |





