LUMRYZ Drug Patent Profile
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Which patents cover Lumryz, and when can generic versions of Lumryz launch?
Lumryz is a drug marketed by Avadel Cns and is included in one NDA. There are thirty-one patents protecting this drug.
This drug has thirty-four patent family members in ten countries.
The generic ingredient in LUMRYZ is sodium oxybate. There are one thousand four hundred and seventy-two drug master file entries for this compound. Seven suppliers are listed for this compound. Additional details are available on the sodium oxybate profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Lumryz
A generic version of LUMRYZ was approved as sodium oxybate by AMNEAL on September 10th, 2025.
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Questions you can ask:
- What is the 5 year forecast for LUMRYZ?
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Summary for LUMRYZ
| International Patents: | 34 |
| US Patents: | 31 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 1 |
| Raw Ingredient (Bulk) Api Vendors: | 37 |
| Clinical Trials: | 1 |
| Patent Applications: | 1,460 |
| Drug Prices: | Drug price information for LUMRYZ |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for LUMRYZ |
| What excipients (inactive ingredients) are in LUMRYZ? | LUMRYZ excipients list |
| DailyMed Link: | LUMRYZ at DailyMed |

Recent Clinical Trials for LUMRYZ
Identify potential brand extensions & 505(b)(2) entrants
| Sponsor | Phase |
|---|---|
| Kristina Simonyan | PHASE1 |
Pharmacology for LUMRYZ
| Drug Class | Central Nervous System Depressant |
| Physiological Effect | Central Nervous System Depression Decreased Central Nervous System Organized Electrical Activity |
US Patents and Regulatory Information for LUMRYZ
LUMRYZ is protected by thirty-one US patents and three FDA Regulatory Exclusivities.
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avadel Cns | LUMRYZ | sodium oxybate | FOR SUSPENSION, EXTENDED RELEASE;ORAL | 214755-003 | May 1, 2023 | RX | Yes | No | 11,400,065 | ⤷ Start Trial | ⤷ Start Trial | ||||
| Avadel Cns | LUMRYZ | sodium oxybate | FOR SUSPENSION, EXTENDED RELEASE;ORAL | 214755-004 | May 1, 2023 | RX | Yes | No | 12,303,478 | ⤷ Start Trial | ⤷ Start Trial | ||||
| Avadel Cns | LUMRYZ | sodium oxybate | FOR SUSPENSION, EXTENDED RELEASE;ORAL | 214755-002 | May 1, 2023 | RX | Yes | No | 11,986,451 | ⤷ Start Trial | ⤷ Start Trial | ||||
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
EU/EMA Drug Approvals for LUMRYZ
| Company | Drugname | Inn | Product Number / Indication | Status | Generic | Biosimilar | Orphan | Marketing Authorisation | Marketing Refusal |
|---|---|---|---|---|---|---|---|---|---|
| UCB Pharma Ltd | Xyrem | sodium oxybate | EMEA/H/C/000593Treatment of narcolepsy with cataplexy in adult patients. | Authorised | no | no | no | 2005-10-13 | |
| D&A Pharma | Hopveus | sodium oxybate | EMEA/H/C/004962Substitution treatment for alcohol dependence within a framework of careful medical supervision along with continuous psychosocial support and social rehabilitation. Treatment should be initiated only in patients resistant to existing interventions or in patients for whom existing therapies are contra-indicated or not recommended. | Refused | no | no | no | 2020-07-06 | |
| >Company | >Drugname | >Inn | >Product Number / Indication | >Status | >Generic | >Biosimilar | >Orphan | >Marketing Authorisation | >Marketing Refusal |
International Patents for LUMRYZ
See the table below for patents covering LUMRYZ around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| European Patent Office | 3487483 | FORMULATIONS À LIBÉRATION MODIFIÉE DE GAMMA-HYDROXYBUTYRATE AYANT UNE PHARMACOCINÉTIQUE AMÉLIORÉE (MODIFIED RELEASE GAMMA-HYDROXYBUTYRATE FORMULATIONS HAVING IMPROVED PHARMACOKINETICS) | ⤷ Start Trial |
| Australia | 2025201830 | ⤷ Start Trial | |
| China | 119868330 | 在进食状态下具有改善的药代动力学的γ-羟基丁酸酯组合物 (Gamma-hydroxybutyrate compositions with improved pharmacokinetics in eating state) | ⤷ Start Trial |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for LUMRYZ
| Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
|---|---|---|---|---|
| 1874117 | SPC/GB14/041 | United Kingdom | ⤷ Start Trial | PRODUCT NAME: DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT OR SOLVATE THEREOF, INCLUDING DOLUTEGRAVIR SODIUM; REGISTERED: UK EU/1/13/892/001-006 20140121 |
| 2203431 | 92666 | Luxembourg | ⤷ Start Trial | PRODUCT NAME: DASABUVIR OU UN SEL QUI EN DERIVE, Y COMPRIS DASABUVIR SODIUMMONOHYDRATE. FIRST REGISTRATION: 20150119 |
| 2932970 | SPC/GB18/041 | United Kingdom | ⤷ Start Trial | PRODUCT NAME: A COMBINATION COMPRISING DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. DOLUTEGRAVIR SODIUM) AND RILPIVIRINE OR A PHARAMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. RILPIVIRINE HYDROCHLORIDE); REGISTERED: UK EU/1/18/1282 20180518; UK PLGB 35728/0055 20180518; UK PLGB 35728/0056 20180518; UK PLGB 35728/0057 20180518 |
| >Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |
Market Dynamics and Financial Trajectory for Lumryz: An In-Depth Analysis
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