Drugs / IPX066
last change Apr 2026 re-read 3 minutes ago

IPX066

also known as Rytary
Developed for
Parkinson disease
Investigated by
Impax Laboratories, LLC · Michael J. Fox Foundation for Parkinson's Research

Regulatory milestones approvals, filings & regulatory actions · 4 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed juvenile-onset Parkinson disease 1 milestone
Filed US (FDA) — juvenile-onset Parkinson disease 2011-12-21

“today announced the submission of Impax’s New Drug Application (NDA) for IPX066 to the U.S. Food and Drug Administration ( FDA )” amneal.com ↗

Filed Parkinson disease 3 milestones
Filed EU (EMA) — Parkinson disease 2014-11-06

“today announced that it has submitted a Marketing Authorization Application for IPX066 to the European Medicines Agency (EMA).” amneal.com ↗

Filed US (FDA) RYTARY Parkinson disease 2014-04-11

“announced today the resubmission of Impax's New Drug Application (NDA) for RYTARY (IPX066) to the U.S. Food and Drug Administration ( FDA ).” amneal.com ↗

Rejected (CRL) US (FDA) RYTARY Parkinson disease 2013-01-21

“the U.S. Food and Drug Administration ( FDA ) issued a complete response letter regarding the New Drug Application (NDA) for RYTARY™ (IPX066)” amneal.com ↗

“RYTARY as a result of a Complete Response Letter received in 2014” amneal.com ↗

Trials 4

2009201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 3 NCT01411137 Aug 2011 → Mar 2013 Parkinson disease Impax Laboratories, LLC Completed No outcome recorded
Phase 3 NCT01130493 May 2010 → Jan 2012 Parkinson disease Impax Laboratories, LLC Completed Met primary
Phase 3 NCT01096186 Mar 2010 → Oct 2011 Parkinson disease Impax Laboratories, LLC Completed No outcome recorded
Phase 3 NCT00880620 Apr 2009 → Oct 2010 Parkinson disease Impax Laboratories, LLC Completed Met primary

News releases announcing trial results or a regulatory action · 17

DateIssuerRelease
2017-11-09 Impax Laboratories, LLC Results Impax Reports Third Quarter 2017 Results amneal.com ↗
In the multiple dose Phase 2b study, patients achieved an average 2.2 hours reduction in "Off" time during the IPX203 treatment period compared to during the IR CD-LD treatment period and 2.0 hours improvement in "Good On" time based on patient diary data.
2015-09-25 Impax Laboratories, LLC Regulatory Impax Receives Positive CHMP Opinion for NUMIENT™ (Levodopa and Carbidopa) Modified-Release Capsules for the Symptomatic Treatment of Adult Patients with Parkinson's disease amneal.com ↗
The positive opinion from the CHMP recommending the approval of NUMIENT is a significant step forward to providing a new treatment option to patients in Europe suffering from Parkinson's disease,
2015-01-08 Impax Laboratories, LLC Regulatory Impax Pharmaceuticals Announce FDA Approval of RYTARY™ (Carbidopa and Levodopa) Extended-Release Capsules for the Treatment of Parkinson's disease amneal.com ↗
Today's approval of RYTARY is also a significant milestone for Impax because it is our first branded drug internally developed and approved for commercialization.
2014-11-06 Impax Laboratories, LLC Regulatory Impax Submits Marketing Authorization Application to EMA for IPX066 (Carbidopa-Levodopa) Extended-Release Capsules amneal.com ↗
AMSTERDAM , Nov. 6, 2014 /PRNewswire/ -- Impax Laboratories ( Netherlands ) B.V., a wholly owned subsidiary of Impax Laboratories, Inc. (NASDAQ: IPXL) today announced that it has submitted a Marketing Authorization Application for IPX066 to the European Medicines Agency (EMA).
2014-09-17 Impax Laboratories, LLC Regulatory Impax Pharmaceuticals Announces Extension of RYTARY™ FDA Review Date to January 9, 2015 amneal.com ↗
2014-05-01 Impax Laboratories, LLC Regulatory Impax Laboratories Reports First Quarter 2014 Results amneal.com ↗
FDA Accepts RYTARY™ NDA Resubmission; Sets PDUFA Date of October 9, 2014
2014-04-11 Impax Laboratories, LLC Regulatory Impax Pharmaceuticals Resubmits New Drug Application for RYTARY™ (Carbidopa and Levodopa) Extended-Release Capsules (IPX066) amneal.com ↗
Impax Pharmaceuticals, a division of Impax Laboratories, Inc. (NASDAQ: IPXL), announced today the resubmission of Impax's New Drug Application (NDA) for RYTARY (IPX066) to the U.S. Food and Drug Administration ( FDA ).
2013-01-21 Impax Laboratories, LLC Regulatory FDA Issues Complete Response Letter for RYTARY™ (Carbidopa and Levodopa) Extended-Release Capsules (IPX066) New Drug Application amneal.com ↗
2012-10-12 Impax Laboratories, LLC Regulatory Impax Pharmaceuticals Announces Extension of RytaryTM FDA Review Date to January 21, 2013 amneal.com ↗
the U.S. Food and Drug Administration ( FDA ) has extended the Prescription Drug User Fee Act (PDUFA) date for its review of the Rytary TM (IPX066) New Drug Application (NDA) from October 21, 2012 , to January 21, 2013 .
2012-02-23 Impax Laboratories, LLC Regulatory FDA Accepts Impax Pharmaceuticals NDA Filing for IPX066 for the Treatment of Idiopathic Parkinson’s Disease amneal.com ↗
2011-12-21 Impax Laboratories, LLC Regulatory Impax Pharmaceuticals Submits New Drug Application for IPX066 in Parkinson’s Disease amneal.com ↗
2011-08-15 Impax Laboratories, LLC Results Impax and GSK Announce Positive Topline Results of ASCEND-PD Phase III Study of IPX066 in Advanced Parkinson's Disease amneal.com ↗
Impax Pharmaceuticals,the branded products division of Impax Laboratories, Inc. (NASDAQ: IPXL) and GlaxoSmithKline (GSK) today announced top-line results of the ASCEND-PD Phase III clinical study of IPX066 versus carbidopa-levodopa plus entacapone (CLE), in patients with advanced Parkinson's disease (PD).

All press releases naming this drug 32 releases

DateIssuerRelease

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 6 sources stand behind the page.

FieldValueCited text
Known as IPX066 ClinicalTrials.gov intervention name — accepted as the source's own label NCT01096186 ↗
3

NCT00880620 ↗

NCT01411137 ↗

NCT01130493 ↗

Known as Rytary “BACKGROUND: IPX066 (Rytary®; carbidopa and levodopa [CD-LD] extended-release capsules) was designed to achieve therapeutic LD plasma concentrations within 1h of dosing and...” PMID 28131167 ↗ Nov 2016
Route Oral “BACKGROUND: IPX066 is an extended-release (ER) oral formulation of carbidopa-levodopa (CD-LD).” PMID 30425824 ↗ Oct 2018