You’re using a public version of DrugPatentWatch with 5 free searches available | Register to unlock more free searches. CREATE FREE ACCOUNT

Last Updated: March 29, 2024

Details for Patent: 9,861,658


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 9,861,658 protect, and when does it expire?

Patent 9,861,658 protects LOKELMA and is included in one NDA.

This patent has forty-six patent family members in twenty-nine countries.

Summary for Patent: 9,861,658
Title:Microporous zirconium silicate for the treatment of hyperkalemia
Abstract: The present invention relates to novel microporous zirconium silicate compositions that are formulated to remove toxins, e.g. potassium ions, from the gastrointestinal tract at an elevated rate without causing undesirable side effects. The preferred formulations are designed avoid increase in pH of urine in patients and/or avoid potential entry of particles into the bloodstream of the patient. Also disclosed is a method for preparing high purity crystals of UZSi-9 exhibiting an enhanced level of potassium exchange capacity. These compositions are particularly useful in the therapeutic treatment of hyperkalemia.
Inventor(s): Keyser; Donald Jeffrey (Southlake, TX), Guillem; Alvaro F. (Lantana, TX)
Assignee: ZS PHARMA, INC. (Coppell, TX)
Application Number:14/826,038
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,861,658
Patent Claim Types:
see list of patent claims
Use; Composition;

Drugs Protected by US Patent 9,861,658

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-001 May 18, 2018 RX Yes No ⤷  Try a Trial ⤷  Try a Trial TREATMENT OF HYPERKALEMIA IN ADULTS ⤷  Try a Trial
Astrazeneca LOKELMA sodium zirconium cyclosilicate FOR SUSPENSION;ORAL 207078-002 May 18, 2018 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial TREATMENT OF HYPERKALEMIA IN ADULTS ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 9,861,658

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2012214224 ⤷  Try a Trial
Australia 2016204124 ⤷  Try a Trial
Australia 2017251826 ⤷  Try a Trial
Brazil 112013020533 ⤷  Try a Trial
Canada 2827056 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

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.