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Product profile · United States

PROBUPHINE

 ·  Patent Litigation & Settlement History ↓

IngredientBUPRENORPHINE HYDROCHLORIDE
Application typeNDA
Application204442
Product001
Dosage formIMPLANT
RouteIMPLANTATION
StrengthEQ 80MG BASE/IMPLANT
Approval date2016-05-26
Marketing statusDiscontinued
Status event—
ApplicantREACX PHARMS
Product source

Current GenericRadar decision

Year2020
SelectionDISCONTINUED
ReviewFINAL
Anchor typeFDA_OB_DISC_RECORD_MONTH
Anchor date—
Patent anchor—
Exclusivity anchor2019-05-26
Protection date2024-04-25
First Final ANDA—
Status event—

FDA_DISC_PROCESSING_YEAR_USER_ACCEPTED_BASIS; canonical 2019 DEEP_REVIEW; QUALIFYING_ANCHOR_WITH_LATER_RIGHTS. FDA DISC processing month/year adopted under the user instruction. Actual commercial cessation day is not invented.

Patent estate

PatentEffective dateOfficial listingTRUE_DSDS gradeClaim classification / basisPTEPEDFamily
US77366652024-04-25U U-1878NNU_DP
Independent claim1 treats opiate addiction using subcutaneous buprenorphine/EVA polymer matrix implant, pore-mediated release for at least about3 months and therapeutic steady-state plasma level about0.1-1 ng/mL. Mandatory implant/material/release conditions remain; no unrestricted buprenorphine compound or full-label method anchor.
———

Regulatory exclusivity

CodeStart dateEnd dateScopeEntire productAll indicationsFull coverage dateCombinationSource
NP2016-05-262019-05-26FULL_EXACT_PRODUCT_APPROVED_SCOPE; NP covers the sole implant-maintenance indication through2019-05-26. Discontinued status remains separate. FDA export says EQ80MG BASE/IMPLANT, while the original label specifies74.2mg buprenorphine equivalent to80mg buprenorphine HCl; raw identity is retained with this discrepancy documented.YY2019-05-26Source

2026-10-12 · HISTORICAL_RECORDS_RECOVERED · Historical coverage: ANNUALS_2011_2026_REVIEWED

2026-10-10 · NO_RECORD_IN_CURRENT_SNAPSHOT · Historical coverage: NOT_COMPLETE

Generic approval evidence

Application / productEventFinal dateTentative dateApplicantAuthorized genericExact mappingSource
No generic approval facts are linked to this product.

Market Entry Information

API filings, authorized generics and linked regulatory milestones.

API Master Files & Certifications 0 records

Ingredient-level registrations from linked public manufacturer portfolios. A filing does not establish supply to this finished product. DMFs are not FDA approvals.

APIHolder / manufacturerHolder countryFiling typeNumberStatusFiled dateAvailable for referenceSourceLast verified
No master-file or certification records are linked through public manufacturer portfolios.

Authorized Generics 0 records

Authorized generics are shown separately from independent ANDA approvals.

Application / productApplicantEvent / status First marketed Product mappingSourceLast verified
No authorized-generic records are linked to this product.

Tentative ANDA Approvals 0 records

Tentative approval is not final approval. Historical tentative approvals remain visible after a linked final approval.

Application / productApplicantEvent / status Tentative date Follow-up final approvalProduct mappingSourceLast verified
No tentative-approval records are linked to this product.

Paragraph IV Challenges 0 records

Paragraph IV challenges below are sourced from legal records separately from FDA approvals. An ANDA filing, lawsuit or settlement does not establish final approval or commercial launch.

Application / productApplicantEvent / status Certification event date Product mappingSourceLast verified
No structured Paragraph IV certification events are linked in the available approval evidence.

Final ANDA Approvals 0 records

Approval dates do not establish commercial launch. Product mapping is shown for each linked record.

Application / productApplicantEvent / status Final approval date Product mappingSourceLast verified
No final-approval records are linked to this product.
Decision evidence (3)
TypeDateRoleBasisSource
PATENT2024-04-25FTO_TAILIndependent claim1 treats opiate addiction using subcutaneous buprenorphine/EVA polymer matrix implant, pore-mediated release for at least about3 months and therapeutic steady-state plasma level about0.1-1 ng/mL. Mandatory implant/material/release conditions remain; no unrestricted buprenorphine compound or full-label method anchor. Source
REGULATORY_EXCLUSIVITY2019-05-26SCOPE_CONTEXTFULL_EXACT_PRODUCT_APPROVED_SCOPE; NP covers the sole implant-maintenance indication through2019-05-26. Discontinued status remains separate. FDA export says EQ80MG BASE/IMPLANT, while the original label specifies74.2mg buprenorphine equivalent to80mg buprenorphine HCl; raw identity is retained with this discrepancy documented.Source
REGULATORY_STATUS—TERMINAL_STATUSFDA_DISC_PROCESSING_YEAR_USER_ACCEPTED_BASIS; canonical 2019 DEEP_REVIEW; QUALIFYING_ANCHOR_WITH_LATER_RIGHTS. FDA DISC processing month/year adopted under the user instruction. Actual commercial cessation day is not invented.Source
Independent legal-event information

Litigation & Settlement History

Settlement launch rights generally apply only to the named parties and product scope. These records do not change GenericRadar patent/exclusivity anchors or current decisions.

No litigation or settlement record currently linked to this product.