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Last Updated: July 16, 2024

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LOKELMA Drug Patent Profile


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When do Lokelma patents expire, and what generic alternatives are available?

Lokelma is a drug marketed by Astrazeneca and is included in one NDA. There are fourteen patents protecting this drug and one Paragraph IV challenge.

This drug has one hundred and twenty-one patent family members in thirty-five countries.

The generic ingredient in LOKELMA is sodium zirconium cyclosilicate. There are one thousand four hundred and seventy-two drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the sodium zirconium cyclosilicate profile page.

DrugPatentWatch® Generic Entry Outlook for Lokelma

Lokelma was eligible for patent challenges on May 18, 2022.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be October 14, 2035. This may change due to patent challenges or generic licensing.

There have been two patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

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Drug patent expirations by year for LOKELMA
Drug Prices for LOKELMA

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DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for LOKELMA
Generic Entry Date for LOKELMA*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
FOR SUSPENSION;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for LOKELMA

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
NephroNet, Inc.Phase 4
St George's, University of LondonPhase 3
Göteborg UniversityPhase 2

See all LOKELMA clinical trials

Paragraph IV (Patent) Challenges for LOKELMA
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
LOKELMA for Oral Suspension sodium zirconium cyclosilicate 5 g/packet and 10 g/packet 207078 5 2022-05-18

US Patents and Regulatory Information for LOKELMA

LOKELMA is protected by fourteen US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of LOKELMA is ⤷  Sign Up.

This potential generic entry date is based on patent ⤷  Sign Up.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Patents protecting LOKELMA

Extended use zirconium silicate compositions and methods of use thereof
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up


Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up

Extended use zirconium silicate compositions and methods of use thereof
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Microporous zirconium silicate for the treatment of hyperkalemia
Patent Number: ⤷  Sign Up
Patent Expiration: ⤷  Sign Up
Patented Use: TREATMENT OF HYPERKALEMIA IN ADULTS

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 RX Yes No ⤷  Sign Up ⤷  Sign Up Y ⤷  Sign Up
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-002 May 18, 2018 RX Yes Yes ⤷  Sign Up ⤷  Sign Up Y ⤷  Sign Up
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-002 May 18, 2018 RX Yes Yes ⤷  Sign Up ⤷  Sign Up Y ⤷  Sign Up
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 RX Yes No ⤷  Sign Up ⤷  Sign Up Y ⤷  Sign Up
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 RX Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for LOKELMA

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 ⤷  Sign Up ⤷  Sign Up
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-002 May 18, 2018 ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for LOKELMA

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
AstraZeneca AB Lokelma sodium zirconium cyclosilicate EMEA/H/C/004029
Lokelma is indicated for the treatment of hyperkalaemia in adult patients.
Authorised no no no 2018-03-22
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

International Patents for LOKELMA

When does loss-of-exclusivity occur for LOKELMA?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Argentina

Patent: 6369
Patent: USO PROLONGADO DE COMPOSICIONES DE SILICATO DE CIRCONIO Y MÉTODOS PARA SU USO
Estimated Expiration: ⤷  Sign Up

Australia

Patent: 16338753
Patent: Extended use zirconium silicate compositions and methods of use thereof
Estimated Expiration: ⤷  Sign Up

Brazil

Patent: 2018007189
Patent: composições de silicato de zircônio para uso prolongado e métodos de uso dos mesmos
Estimated Expiration: ⤷  Sign Up

Canada

Patent: 00950
Patent: COMPOSITIONS DE SILICATE DE ZIRCONIUM A USAGE PROLONGE ET PROCEDES D'UTILISATION CORRESPONDANTS (EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF)
Estimated Expiration: ⤷  Sign Up

Chile

Patent: 18000916
Patent: Composiciones de silicato de zirconio de uso prolongado y métodos de uso de las mismas
Estimated Expiration: ⤷  Sign Up

China

Patent: 8137620
Patent: 扩大使用硅酸锆组合物及其使用方法 (EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF)
Estimated Expiration: ⤷  Sign Up

Patent: 3143958
Patent: 扩大使用硅酸锆组合物及其使用方法 (Extended use zirconium silicate compositions and methods of use thereof)
Estimated Expiration: ⤷  Sign Up

Costa Rica

Patent: 180276
Patent: COMPOSICIONES DE SILICATO DE ZIRCONIO DE USO PROLONGADO Y MÉTODOS DE USO DE LAS MISMAS
Estimated Expiration: ⤷  Sign Up

Eurasian Patent Organization

Patent: 5890
Patent: КОМПОЗИЦИИ НА ОСНОВЕ СИЛИКАТА ЦИРКОНИЯ ДЛЯ ЛЕЧЕНИЯ ГИПЕРКАЛИЕМИИ (ZIRCONIUM SILICATE COMPOSITIONS FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷  Sign Up

Patent: 1890875
Patent: КОМПОЗИЦИИ НА ОСНОВЕ СИЛИКАТА ЦИРКОНИЯ ДЛЯ ДЛИТЕЛЬНОГО ПРИМЕНЕНИЯ И СПОСОБЫ ИХ ПРИМЕНЕНИЯ
Estimated Expiration: ⤷  Sign Up

Patent: 2091273
Patent: КОМПОЗИЦИИ НА ОСНОВЕ СИЛИКАТА ЦИРКОНИЯ ДЛЯ ДЛИТЕЛЬНОГО ПРИМЕНЕНИЯ И СПОСОБЫ ИХ ПРИМЕНЕНИЯ
Estimated Expiration: ⤷  Sign Up

European Patent Office

Patent: 62456
Patent: COMPOSITIONS DE SILICATE DE ZIRCONIUM À USAGE PROLONGÉ ET PROCÉDÉS D'UTILISATION CORRESPONDANTS (EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF)
Estimated Expiration: ⤷  Sign Up

Hong Kong

Patent: 54808
Patent: 長期使用的硅酸鋯組合物及其使用方法 (EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF)
Estimated Expiration: ⤷  Sign Up

Israel

Patent: 8478
Patent: שימוש מורחב בתרכובות זירקוניום סיליקוניות ושיטות לשימושן (Extended use zirconium silicate compositions and methods of use thereof)
Estimated Expiration: ⤷  Sign Up

Japan

Patent: 46700
Estimated Expiration: ⤷  Sign Up

Patent: 18530596
Patent: ケイ酸ジルコニウム組成物の長期間の使用及びその使用方法
Estimated Expiration: ⤷  Sign Up

Malaysia

Patent: 7088
Patent: EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF
Estimated Expiration: ⤷  Sign Up

Mexico

Patent: 18004440
Patent: COMPOSICIONES DE SILICATO DE ZIRCONIO DE USO PROLONGADO Y METODOS DE USO DE LAS MISMAS. (EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF.)
Estimated Expiration: ⤷  Sign Up

Philippines

Patent: 018500786
Patent: EXTENDED USE ZIRCONIUM COMPOSITIONS AND METHODS OF USE THEREOF
Estimated Expiration: ⤷  Sign Up

South Africa

Patent: 1803095
Patent: EXTENDED USE ZIRCONIUM SILICATE COMPOSITIONS AND METHODS OF USE THEREOF
Estimated Expiration: ⤷  Sign Up

South Korea

Patent: 180067614
Patent: 연장된 용도의 지르코늄 실리케이트 조성물 및 이의 사용 방법
Estimated Expiration: ⤷  Sign Up

Taiwan

Patent: 42004
Estimated Expiration: ⤷  Sign Up

Patent: 1717972
Patent: Extended use zirconium silicate compositions and methods of use thereof
Estimated Expiration: ⤷  Sign Up

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering LOKELMA around the world.

Country Patent Number Title Estimated Expiration
European Patent Office 3246287 SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALÉMIE (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA) ⤷  Sign Up
Australia 2016338753 Extended use zirconium silicate compositions and methods of use thereof ⤷  Sign Up
Australia 2016204124 Microporous zirconium silicate for the treatment of hyperkalemia ⤷  Sign Up
Philippines 12016500861 MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA ⤷  Sign Up
Mexico 354456 SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE HIPERCALEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA.) ⤷  Sign Up
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for LOKELMA

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1874117 SPC/GB14/041 United Kingdom ⤷  Sign Up PRODUCT NAME: DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT OR SOLVATE THEREOF, INCLUDING DOLUTEGRAVIR SODIUM; REGISTERED: UK EU/1/13/892/001-006 20140121
0788511 SPC/GB08/036 United Kingdom ⤷  Sign Up PRODUCT NAME: MICAFUNGIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF IN PARTICULAR MICAFUNGIN SODIUM; REGISTERED: UK EU/1/08/448/001 20080425; UK EU/1/08/448/002 20080425
1499331 SPC/GB13/034 United Kingdom ⤷  Sign Up PRODUCT NAME: IZINOVA CONCENTRATE FOR ORAL SOLUTION. THE ACTIVE SUBSTANCE IS A MIXTURE OF 3 SALTS:SODIUM SULPHATE ANHYDROUS, MAGNESIUM SULPHATE HEPTAHYDRATE AND POTASSIUM SULPHATE.; REGISTERED: BE BE434323 20130220; UK PL34926/0016 20130313
3347352 2290051-8 Sweden ⤷  Sign Up PRODUCT NAME: LENACAPAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR LENACAPAVIR SODIUM; REG. NO/DATE: EU/1/22/1671 20220819
1175904 2007C/048 Belgium ⤷  Sign Up PRODUCT NAME: ALENDRONATE DE SODIUM/COLECALCIFEROL; AUTHORISATION NUMBER AND DATE: EU/1/05/310/001 20050826
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.