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 thirty-eight patent family members in thirty-eight 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 22, 2033. This may change due to patent challenges or generic licensing.
There have been five 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.
There is one tentative approval for the generic drug (sodium zirconium cyclosilicate), which indicates the potential for near-term generic launch.
Indicators of Generic Entry
AI Deep Research
Questions you can ask:
- What is the 5 year forecast for LOKELMA?
- What are the global sales for LOKELMA?
- What is Average Wholesale Price for LOKELMA?
Summary for LOKELMA
| International Patents: | 138 |
| US Patents: | 14 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 2 |
| Raw Ingredient (Bulk) Api Vendors: | 9 |
| Clinical Trials: | 8 |
| Patent Applications: | 18 |
| Drug Prices: | Drug price information for LOKELMA |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for LOKELMA |
| What excipients (inactive ingredients) are in LOKELMA? | LOKELMA excipients list |
| DailyMed Link: | LOKELMA at DailyMed |
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
| Sponsor | Phase |
|---|---|
| Fundación para la Investigación del Hospital Clínico de Valencia | PHASE3 |
| NephroNet, Inc. | Phase 4 |
| AstraZeneca | Phase 2 |
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 ⤷ Start Trial.
This potential generic entry date is based on patent ⤷ Start Trial.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
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 | ⤷ Start Trial | ⤷ Start Trial |
| Astrazeneca | LOKELMA | sodium zirconium cyclosilicate | FOR SUSPENSION;ORAL | 207078-002 | May 18, 2018 | ⤷ Start Trial | ⤷ Start Trial |
| >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/004029Lokelma 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: 3106
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 5600
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 8365
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 8367
Patent: COMPUESTO DE SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA
Estimated Expiration: ⤷ Start Trial
Australia
Patent: 13334776
Patent: Microporous zirconium silicate for treating hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 14346572
Patent: Microporous zirconium silicate for the treatment of hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 14346576
Patent: Microporous zirconium silicate for the treatment of hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 17251722
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
Brazil
Patent: 2015008962
Patent: silicato de zircônio microporoso para o tratamento de hipercalemia
Estimated Expiration: ⤷ Start Trial
Canada
Patent: 91053
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIEMIE (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 29956
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIEMIE (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 29978
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIEMIE (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Chile
Patent: 15001014
Patent: Composicion de silicato de zirconio microporoso, util para el tratamiento de la hipercalemia
Estimated Expiration: ⤷ Start Trial
Patent: 16001094
Patent: Silicato de zirconio microporoso para el tratamiento de hipercalemia.
Estimated Expiration: ⤷ Start Trial
Patent: 16001095
Patent: Silicato de zirconio microporoso para el tratamiento de hipercalemia.
Estimated Expiration: ⤷ Start Trial
China
Patent: 4797263
Patent: Microporous zirconium silicate for treating hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 6170283
Patent: 用于治疗高钾血症的微孔硅酸锆 (Microporous zirconium silicate for the treatment of hyperkalemia)
Estimated Expiration: ⤷ Start Trial
Patent: 6385795
Patent: 用于治疗高钾血症的微孔硅酸锆 (Microporous zirconium silicate for the treatment of hyperkalemia)
Estimated Expiration: ⤷ Start Trial
Croatia
Patent: 0251373
Estimated Expiration: ⤷ Start Trial
Denmark
Patent: 82444
Estimated Expiration: ⤷ Start Trial
European Patent Office
Patent: 82444
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIÉMIE (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 65709
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIÉMIE (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 65710
Patent: SILICATE DE ZIRCONIUM MICROPOREUX POUR LE TRAITEMENT DE L'HYPERKALIÉMIE (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 78577
Estimated Expiration: ⤷ Start Trial
Finland
Patent: 82444
Estimated Expiration: ⤷ Start Trial
Hong Kong
Patent: 11494
Patent: 用於治療高鉀血症的微孔硅酸鋯 (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Israel
Patent: 7905
Patent: צירקוניום סיליקאט המכיל נקבוביות מיקרו לטיפול בהיפרקאלמיה (Microporous zirconium silicate for treating hyperkalemia)
Estimated Expiration: ⤷ Start Trial
Patent: 5526
Patent: זירקוניום סיליקט מיקרופורוזי לטיפול בהיפרקלמיה (Microporous zirconium silicate for the treatment of hyperkalemia)
Estimated Expiration: ⤷ Start Trial
Japan
Patent: 23795
Estimated Expiration: ⤷ Start Trial
Patent: 16505510
Patent: 高カリウム血症を治療するための微多孔性ケイ酸ジルコニウム
Estimated Expiration: ⤷ Start Trial
Patent: 16535749
Patent: 高カリウム血症治療用細孔性ケイ酸ジルコニウム
Estimated Expiration: ⤷ Start Trial
Patent: 16535754
Patent: 高カリウム血症治療用細孔性ケイ酸ジルコニウム
Estimated Expiration: ⤷ Start Trial
Lithuania
Patent: 82444
Estimated Expiration: ⤷ Start Trial
Mexico
Patent: 0684
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA.)
Estimated Expiration: ⤷ Start Trial
Patent: 2710
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERPOTASEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 15005104
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERCALEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA.)
Estimated Expiration: ⤷ Start Trial
Patent: 16005940
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERPOTASEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA.)
Estimated Expiration: ⤷ Start Trial
Patent: 16005955
Patent: SILICATO DE ZIRCONIO MICROPOROSO PARA EL TRATAMIENTO DE LA HIPERPOTASEMIA. (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA.)
Estimated Expiration: ⤷ Start Trial
Philippines
Patent: 015500849
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 016500861
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 016500864
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
Portugal
Patent: 82444
Estimated Expiration: ⤷ Start Trial
San Marino
Patent: 02500409
Estimated Expiration: ⤷ Start Trial
Serbia
Patent: 365
Patent: MIKROPOROZNI CIRKONIJUM SILIKAT ZA LEČENJE HIPERKALEMIJE (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
South Africa
Patent: 1502186
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
Patent: 1603171
Patent: MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA
Estimated Expiration: ⤷ Start Trial
South Korea
Patent: 2184602
Estimated Expiration: ⤷ Start Trial
Patent: 2332954
Estimated Expiration: ⤷ Start Trial
Patent: 150074053
Patent: 고칼륨혈증의 치료를 위한 미세다공성 지르코늄 실리케이트 (MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 160073424
Patent: 고칼륨혈증의 치료를 위한 미세다공성 규산지르코늄 (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Patent: 160110356
Patent: 고칼륨혈증의 치료를 위한 미세다공성 규산지르코늄 (MICROPOROUS ZIRCONIUM SILICATE FOR THE TREATMENT OF HYPERKALEMIA)
Estimated Expiration: ⤷ Start Trial
Spain
Patent: 53035
Estimated Expiration: ⤷ Start Trial
Taiwan
Patent: 1438723
Patent: Microporous zirconium silicate for the treatment of hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 1607543
Patent: Microporous zirconium silicate for the treatment of hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 1607544
Patent: Microporous zirconium silicate for the treatment of hyperkalemia
Estimated Expiration: ⤷ Start Trial
Patent: 55948
Estimated Expiration: ⤷ Start Trial
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 |
|---|---|---|---|
| China | 109106725 | ⤷ Start Trial | |
| Taiwan | I742004 | ⤷ Start Trial | |
| Colombia | 6801733 | Silicato de zirconio microporoso para el tratamiento de la hipercalemia | ⤷ Start Trial |
| South Africa | 201502186 | MICROPOROUS ZIRCONIUM SILICATE FOR TREATING HYPERKALEMIA | ⤷ Start Trial |
| Japan | 2016535749 | ⤷ Start Trial | |
| Chile | 2016001094 | ⤷ Start Trial | |
| Chile | 2016001166 | ⤷ Start Trial | |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for LOKELMA
| Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
|---|---|---|---|---|
| 2822954 | 18C1035 | France | ⤷ Start Trial | PRODUCT NAME: BICTEGRAVIR OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE,EN PARTICULIER BICTEGRAVIR DE SODIUM; REGISTRATION NO/DATE: EU/1/18/1289 20180625 |
| 0957929 | SPC/GB06/021 | United Kingdom | ⤷ Start Trial | PRODUCT NAME: PEGAPTANIB, PREFERABLY IN THE FORM OF ITS SODIUM SALT; REGISTERED: UK EU/1/05/325/001 20060201 |
| 2673237 | 122019000036 | Germany | ⤷ Start Trial | PRODUCT NAME: NATRIUMZIRCONIUMCYCLOSILICAT; REGISTRATION NO/DATE: EU/1/17/1173 20180322 |
| 1713823 | 1490064-1 | Sweden | ⤷ Start Trial | PRODUCT NAME: SIMEPREVIR, OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, INCLUDING SIMEPREVIR SODIUM; REG. NO/DATE: EU/1/14/924 20140516 |
| 2340828 | LUC00195 | Luxembourg | ⤷ Start Trial | PRODUCT NAME: SACUBITRIL ET VALSARTAN, SOUS FORME DE COMPLEXE DE SEL DE SODIUM SACUBITRIL VALSARTAN, C'EST-A-DIRE (((S)-N-VALERYL-N-((2'-(1H-TETRAZOLE-5-YL)-BIPHENYL-4-YL)-METHYL)-VALINE) ((2R,4S)-5-BIPHENYL-4-YL-4-(3-CARBOXY-PROPIONYLAMINO)-2-METHYL-ESTER ETHYLIQUE D'ACIDE PENTANOIQUE))NA3 X H2O, DANS LEQUEL X EST 0 A 3; AUTHORISATION NUMBER AND DATE: EU/1/15/1058 20151123 |
| 1758590 | 2017C/063 | Belgium | ⤷ Start Trial | PRODUCT NAME: SEL DE SODIUM D'ACIDE DESOXYCHOLIQUE; AUTHORISATION NUMBER AND DATE: SE/H/1547/01/DC 20170612 |
| 1175904 | 2007C/048 | Belgium | ⤷ Start Trial | 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 |
LOKELMA: Market Dynamics and Financial Trajectory
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