Drugs / gabapentin enacarbil

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (2) US (FDA) HORIZANT — 2012-06-06 – 2013-03-27 fda.gov ↗
Approved US (FDA) HORIZANT — 2011-04-06 fda.gov ↗

Trials 28

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 17 trials · 2 met primary
Phase 1 NCT02633657 Jan 2016 → Jul 2017 restless legs syndrome XenoPort, Inc. Withdrawn No outcome recorded Stop: Enrollment
Phase 1 NCT01516372 Jan → Mar 2012 restless legs syndrome XenoPort, Inc. Completed Met primary
Phase 1 NCT01476124 Aug → Oct 2011 restless legs syndrome XenoPort, Inc. Completed Met primary
Phase 1 NCT01411124 Jun → Oct 2011 restless legs syndrome XenoPort, Inc. Completed No outcome recorded
Phase 1 NCT00833391 Jan → Mar 2009 — XenoPort, Inc. Completed No outcome recorded
Phase 1 NCT02632331 Jan → Feb 2009 — Astellas Pharma Inc Completed No outcome recorded
Phase 1 NCT02629224 Feb → Oct 2008 — Astellas Pharma Inc Completed No outcome recorded
Phase 27 trials · 3 met primary · 2 missed
Phase 2 NCT00643760 Mar 2008 → Feb 2009 diabetic polyneuropathy XenoPort, Inc. Completed Missed primary
Phase 2 NCT00617461 Mar 2008 → Jul 2009 postherpetic neuralgia XenoPort, Inc. Completed Met primary
Phase 2 NCT00619476 Feb 2008 → Jul 2009 postherpetic neuralgia XenoPort, Inc. Completed Met primary
Phase 2 NCT00530530 Sep 2007 → Jan 2009 restless legs syndrome Astellas Pharma Inc Completed Met primary
Phase 2 NCT00508430 Jul 2007 → Nov 2008 diabetic polyneuropathy Astellas Pharma Inc Terminated No outcome recorded
Phase 2 NCT01332318 Apr → Nov 2007 restless legs syndrome XenoPort, Inc. Completed Missed primary
Phase 2 NCT01332305 Jan 2007 → Jan 2008 restless legs syndrome XenoPort, Inc. Completed No outcome recorded
Phase 35 trials · 2 met primary
Phase 3 NCT00748098 Oct 2008 → Jul 2009 restless legs syndrome XenoPort, Inc. Completed Met primary
Phase 3 NCT02658188 Dec 2007 → Apr 2009 restless legs syndrome Astellas Pharma Inc Completed No outcome recorded
Phase 3 NCT00365352 Aug 2006 → Dec 2007 restless legs syndrome XenoPort, Inc. Completed Met primary
Phase 3 NCT00333359 Jun 2006 → Dec 2008 restless legs syndrome XenoPort, Inc. Completed No outcome recorded
Phase 3 NCT00298623 Mar 2006 → Feb 2007 restless legs syndrome XenoPort, Inc. Completed No outcome recorded
Phase 47 trials · 1 missed
Phase 4 NCT06097676 Sep 2021 → Jun 2022 substance abuse Arbor Pharmaceuticals, Inc. Completed No outcome recorded
Phase 4 NCT03082755 Jul 2017 → Aug 2022 overdue Alzheimer disease University of Texas at Austin Recruiting No outcome recorded
Phase 4 NCT03053427 Mar 2017 → Jun 2018 restless legs syndrome Astellas Pharma Inc Completed Missed primary
Phase 4 NCT02560766 Feb 2016 → Oct 2023 restless legs syndrome XenoPort, Inc. Unknown No outcome recorded
Phase 4 NCT02633683 Jan 2016 → May 2024 restless legs syndrome XenoPort, Inc. Unknown No outcome recorded
Phase 4 NCT02424695 Jun 2015 → Jun 2016 restless legs syndrome Cleveland Sleep Research Center Unknown No outcome recorded
Phase 4 NCT01981941 Nov 2013 → May 2015 restless legs syndrome Astellas Pharma Inc Completed No outcome recorded
Phase not applicable2 trials
— NCT02642315 Jan 2016 → May 2019 restless legs syndrome University of Missouri-Columbia Completed No outcome recorded
— NCT02840240 Jan 2016 → Nov 2018 — The Cleveland Clinic Completed No outcome recorded
Comparator or background therapy4 trials
Phase 2 NCT02252536 Comparator Jun 2015 → Mar 2017 alcohol-related disorders National Institute on Alcohol Abuse and Alcoholism (NIAAA) Completed No outcome recorded
Phase 2 NCT00742209 Comparator Aug 2008 → Jun 2010 migraine disorder XenoPort, Inc. Completed No outcome recorded
Phase 4 NCT02117076 Comparator Apr 2014 → Jun 2016 restless legs syndrome Theresa Zesiewicz, MD Terminated No outcome recorded Stop: Enrollment
Phase 4 NCT01668667 Comparator Jun 2012 → Nov 2013 restless legs syndrome XenoPort, Inc. Completed No outcome recorded

News releases announcing trial results or a regulatory action · 9

DateIssuerRelease
2020-12-31 Glenmark Pharmaceuticals Ltd. India Regulatory Glenmark Pharmaceuticals receives ANDA final approval for Tadalafil Tablets, 2.5 mg, 5 mg, 10 mg and 20 mg; and receives ANDA tentative approvals for Gabapentin Enacarbil Extended-Release Tablets, 300 mg and 600 mg and Apremilast Tablets, 10 mg, 20 mg and 30 mg glenmarkpharma.com ↗
2012-06-07 GlaxoSmithKline Regulatory GSK and XenoPort receive FDA approval for Horizant® for postherpetic neuralgia gsk.com ↗
GlaxoSmithKline plc (GSK) and XenoPort, Inc. (Nasdaq: XNPT) announced today that the United States (US) Food and Drug Administration (FDA) has approvedHorizant® (gabapentin enacarbil) Extended-Release Tablets for the management of postherpetic neuralgia (PHN) in adults.
2012-01-18 Astellas Pharma Inc Regulatory Astellas and XenoPort Announce Approval of Regnite® Tablets for Restless Legs Syndrome in Japan astellas.com ↗
Astellas Pharma Inc. (Tokyo: 4503) and XenoPort, Inc. (NASDAQ: XNPT) announced today that Regnite® (gabapentin enacarbil) has received marketing approval in Japan for the treatment of moderate-to-severe primary restless legs syndrome (RLS).
2011-08-09 GlaxoSmithKline Regulatory Regulatory Update: GSK and XenoPort submit supplemental New Drug Application to FDA for Horizant™ in postherpetic neuralgia gsk.com ↗
2011-04-06 GlaxoSmithKline Regulatory GlaxoSmithKline and XenoPort receive FDA approval for Horizant™ gsk.com ↗
GlaxoSmithKline (NYSE: GSK) and XenoPort, Inc. (Nasdaq: XNPT) announced Wednesday that the U.S. Food and Drug Administration (FDA) has approved Horizant™ (gabapentin enacarbil) Extended-Release Tablets for the treatment of moderate-to-severe primary Restless Legs Syndrome in adults.
2010-02-16 GlaxoSmithKline Regulatory GlaxoSmithKline and XenoPort receive FDA Complete Response letter for Horizant™ (GSK1838262/XP13512) for RLS gsk.com ↗
GlaxoSmithKline (NYSE: GSK) and XenoPort, Inc. (Nasdaq: XNPT) Wednesday received a Complete Response letter from the U.S. Food and Drug Administration (FDA) regarding the New Drug Application (NDA) for Horizant™(gabapentin enacarbil) Extended-Release Tablets, an investigational non-dopaminergic treatment for moderate-to-severe primary Restless Legs Syndrome (RLS).
2009-11-05 GlaxoSmithKline Regulatory GlaxoSmithKline and XenoPort announce extension of GSK1838262 (XP13512) FDA review date to 9 February 2010 gsk.com ↗
GlaxoSmithKline (NYSE: GSK) and XenoPort, Inc. (Nasdaq: XNPT) today announced that the U.S. Food and Drug Administration (FDA) has extended the original Prescription Drug User Fee Act (PDUFA) goal date for its review of the New Drug Application (NDA) for GSK1838262/XP13512 (gabapentin enacarbil) to February 9, 2010.
2009-10-05 GlaxoSmithKline Results Positive phase II results for GSK1838262 (XP13512) reported for subjects with post-herpetic neuralgia and a history of inadequate response to gabapentin gsk.com ↗
A greater reduction in the 24-hour average pain score was observed for the 3600 mg/day than for the 1200 mg/day (adjusted difference of -0.29; p= 0.013.)
2009-03-03 Astellas Pharma Inc Results Astellas and XenoPort Announce Positive Results from Phase 2 Trial of ASP8825/XP13512 in Japan for Restless Legs Syndrome astellas.com ↗
Astellas Pharma Inc. (Astellas) and XenoPort, Inc. (NASDAQ: XNPT) today announced preliminary top-line results from a Phase 2 clinical trial of ASP8825/XP13512 for the treatment of symptoms in moderate-to-severe primary restless legs syndrome (RLS) patients.

All press releases naming this drug 9 releases

DateIssuerRelease

Evidence & citations 12 cited values

Every value below carries the sentence it was read from. 35 sources stand behind the page.

FieldValueCited text
Known as Gabapentin Enacarbil “gabapentin enacarbil (XP13512/GSK1838262), hereafter referred to as GEn is effective in the treatment of neuropathic pain associated with diabetic peripheral neuropathy(DPN)” NCT00643760 ↗
18

“The objective of this article is to evaluate the efficacy and safety of gabapentin enacarbil (GEn) for migraine prophylaxis.” PMID 23165696 ↗ Nov 2012

“1,200 mg/day) oral gabapentin enacarbil (GEn) on pain intensity in adults with postherpetic neuralgia” PMID 24102928 ↗ Sep 2013

“We assessed the effects of gabapentin enacarbil (GEn) on individual IRLS items.” PMID 27288210 ↗ Jun 2016

“gabapentin enacarbil (XP13512/GSK1838262), hereafter referred to as GEn” NCT00619476 ↗

“Relative Bioavailability Study for GSK1838262 (Gabapentin Enacarbil)” NCT00833391 ↗

“HORIZANT (Gabapentin Enacarbil) Extended-Release Tablets” NCT02633683 ↗

“Gabapentin enacarbil (GEn) is a prodrug of gabapentin” PMID 24290737 ↗ Nov 2013

“HORIZANT (Gabapentin Enacarbil)” NCT02633657 ↗

“Gabapentin enacarbil 600 mg” NCT01476124 ↗

NCT01411124 ↗

Show 8 more sources

Known as ASP8825 ClinicalTrials.gov intervention name — accepted as the source's own label NCT02629224 ↗
4

NCT02658188 ↗

NCT00508430 ↗

NCT02632331 ↗

NCT00530530 ↗

Known as Gabapentin encarbil ChEMBL registry synonym — accepted as the source's own label CHEMBL1628502 ↗
Known as Gabapentina enacarbilo ChEMBL registry synonym — accepted as the source's own label CHEMBL1628502 ↗
Known as Gabapentine enacarbil ChEMBL registry synonym — accepted as the source's own label CHEMBL1628502 ↗
Known as GE-IR “Drug: Gabapentin Enacarbil Immediate Release (GE-IR) 200 mg” NCT06097676 ↗
Known as GEn “This study evaluated whether there was any interaction between gabapentin enacarbil (GEn), which is a prodrug of gabapentin, and morphine in terms of pharmacokinetics,...” PMID 25467190 ↗ Nov 2014
8

“The objective of this article is to evaluate the efficacy and safety of gabapentin enacarbil (GEn) for migraine prophylaxis.” PMID 23165696 ↗ Nov 2012

“Gabapentin enacarbil (GEn), a transported prodrug of gabapentin, provides sustained, dose-proportional gabapentin exposure.” PMID 23186035 ↗ Nov 2012

“We assessed the effects of gabapentin enacarbil (GEn) on individual IRLS items.” PMID 27288210 ↗ Jun 2016

“gabapentin enacarbil (XP13512/GSK1838262), hereafter referred to as GEn” NCT00619476 ↗

“determine the effect of gabapentin enacarbil (GEn) compared to placebo” PMID 32966585 ↗ Sep 2020

“Gabapentin enacarbil (GEn) is a prodrug of gabapentin” PMID 24290737 ↗ Nov 2013

“Gabapentin Enacarbil (GEn)” NCT02424695 ↗

“XP13512 (GEn)” NCT00333359 ↗

Known as GSK1838262 “Relative Bioavailability Study for GSK1838262 (Gabapentin Enacarbil)” NCT00833391 ↗
2

NCT01668667 ↗

NCT00748098 ↗

Known as HORIZANT “A PK and Safety Evaluation of HORIZANT (Gabapentin Enacarbil) in Adolescents With Moderate-to-Severe Primary RLS” NCT02633657 ↗
3

“HORIZANT (Gabapentin Enacarbil) Extended-Release Tablets” NCT02633683 ↗

NCT02560766 ↗

NCT02642315 ↗

Known as XP13512 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00333359 ↗
2

NCT00365352 ↗

NCT01332318 ↗

Modality Small molecule — CHEMBL1628502 ↗
Route Oral “1200 mg XP13512, orally, once daily for 52 weeks” NCT00333359 ↗