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About 30% of persons with epilepsy have seizures that do not respond to drugs. The ketogenic diet is an effective treatment option for them, but this high fat diet is strict and difficult to maintain. The properties of gliflozins, which often are used to treat type 2 diabetes, make them a potential replacement for the ketogenic diet. This pilot study will determine whether gliflozins induce ketosis and could be used to treat adults with epilepsy safely.
The 30% of persons with epilepsy who are drug-resistant bear most of the financial and psychosocial costs of this common neurological disorder. An effective, clinically used treatment for these individuals is the ketogenic diet, a high fat, low carbohydrate diet. Newer variants of the ketogenic diet including the modified Atkins diet (MAD) and low glycemic index treatment (LGIT) are more palatable than the older versions but are challenging to maintain because they are strict. The MAD and LGIT lower blood glucose and produce mild ketosis. Sodium-glucose cotransporter-2 inhibitors (SGLT2i) such as empagliflozin have become important additions to the armamentarium for treating type 2 diabetes. SGLT2i decrease blood sugar by causing glucosuria, and they induce mild ketosis. These actions raise the possibility that SGLT2i can replace the MAD and LGIT as epilepsy treatments. This pilot, phase 1 study will determine the feasibility, safety, and tolerability of the SGLT2i empagliflozin in adults with epilepsy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Empagliflozin / Placebo | Experimental | Participants randomized to this arm will receive 25 mg of empagliflozin daily for 2 weeks followed placebo daily for 2 weeks |
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| Placebo / Empagliflozin | Experimental | Participants randomized to this arm will receive placebo daily for 2 weeks followed by 25 mg of empagliflozin daily for 2 weeks |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Empagliflozin 25 mg | Drug | Participants will take empagliflozin daily for 2 weeks. |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in blood beta-hydroxybutyrate while on empagliflozin | For each participant, calculate the difference between the blood beta-hydroxybutyrate after two weeks on empagliflozin and after two weeks on placebo. | 2 weeks |
| Change in blood glucose while on empagliflozin | For each participant, calculate the difference between the blood glucose after two weeks on empagliflozin and after two weeks on placebo. | 2 weeks |
| Number of participants with adverse effects from empagliflozin | For each participant, calculate the difference in weight, blood pressure, and pulse after two weeks on empagliflozin and after two weeks on placebo. Compare the number of participants having an abnormal complete blood count, comprehensive metabolic panel, hemoglobin A1c, magnesium, phosphorus, and urinalysis after two weeks on empagliflozin and after two weeks on placebo. Compare the number of participants who have increased urination and genital irritation after two weeks on empagliflozin and after two weeks on placebo. Will determine the number of participants with a clinically significant change in any of the listed parameters after two weeks on empagliflozin. | 2 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in seizure frequency | For each participant, calculate the difference in seizure frequency as determined by seizure diaries during the two weeks on empagliflozin and the two weeks on placebo. | 2 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Kwee L Thio, MD, PhD | Contact | 314-454-6120 | thiol@wustl.edu |
| Name | Affiliation | Role |
|---|---|---|
| Kwee L Thio | Washington University School of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Washington University | Recruiting | St Louis | Missouri | 63110 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 14694049 | Background | Kossoff EH, Krauss GL, McGrogan JR, Freeman JM. Efficacy of the Atkins diet as therapy for intractable epilepsy. Neurology. 2003 Dec 23;61(12):1789-91. doi: 10.1212/01.wnl.0000098889.35155.72. | |
| 16344529 | Background | Pfeifer HH, Thiele EA. Low-glycemic-index treatment: a liberalized ketogenic diet for treatment of intractable epilepsy. Neurology. 2005 Dec 13;65(11):1810-2. doi: 10.1212/01.wnl.0000187071.24292.9e. |
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We will share all de-identified data.
For 3 years beginning one year after study closure
Qualified investigators upon request.
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| ID | Term |
|---|---|
| D004827 | Epilepsy |
| ID | Term |
|---|---|
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| C570240 | empagliflozin |
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Randomized, placebo-controlled, double-blinded, crossover trial
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| Placebo | Drug | Participants will take a placebo daily for 2 weeks. The placebo will be identical to empagliflozin in appearance. |
|
| 19049610 | Background | Rho JM, Sankar R. The ketogenic diet in a pill: is this possible? Epilepsia. 2008 Nov;49 Suppl 8(Suppl 8):127-33. doi: 10.1111/j.1528-1167.2008.01857.x. |
| 19049601 | Background | Stafstrom CE, Roopra A, Sutula TP. Seizure suppression via glycolysis inhibition with 2-deoxy-D-glucose (2DG). Epilepsia. 2008 Nov;49 Suppl 8:97-100. doi: 10.1111/j.1528-1167.2008.01848.x. |
| 19399874 | Background | Stafstrom CE, Ockuly JC, Murphree L, Valley MT, Roopra A, Sutula TP. Anticonvulsant and antiepileptic actions of 2-deoxy-D-glucose in epilepsy models. Ann Neurol. 2009 Apr;65(4):435-47. doi: 10.1002/ana.21603. |
| 26861783 | Background | Ferrannini E, Baldi S, Frascerra S, Astiarraga B, Heise T, Bizzotto R, Mari A, Pieber TR, Muscelli E. Shift to Fatty Substrate Utilization in Response to Sodium-Glucose Cotransporter 2 Inhibition in Subjects Without Diabetes and Patients With Type 2 Diabetes. Diabetes. 2016 May;65(5):1190-5. doi: 10.2337/db15-1356. Epub 2016 Feb 9. |
| 29881797 | Background | Kossoff EH, Zupec-Kania BA, Auvin S, Ballaban-Gil KR, Christina Bergqvist AG, Blackford R, Buchhalter JR, Caraballo RH, Cross JH, Dahlin MG, Donner EJ, Guzel O, Jehle RS, Klepper J, Kang HC, Lambrechts DA, Liu YMC, Nathan JK, Nordli DR Jr, Pfeifer HH, Rho JM, Scheffer IE, Sharma S, Stafstrom CE, Thiele EA, Turner Z, Vaccarezza MM, van der Louw EJTM, Veggiotti P, Wheless JW, Wirrell EC; Charlie Foundation; Matthew's Friends; Practice Committee of the Child Neurology Society. Optimal clinical management of children receiving dietary therapies for epilepsy: Updated recommendations of the International Ketogenic Diet Study Group. Epilepsia Open. 2018 May 21;3(2):175-192. doi: 10.1002/epi4.12225. eCollection 2018 Jun. |
| 31081591 | Background | Biester T, Kordonouri O, Danne T. Beyond type 2 diabetes: sodium glucose co-transporter-inhibition in type 1 diabetes. Diabetes Obes Metab. 2019 Apr;21 Suppl 2:53-61. doi: 10.1111/dom.13659. |
| 32358544 | Background | Kim SR, Lee SG, Kim SH, Kim JH, Choi E, Cho W, Rim JH, Hwang I, Lee CJ, Lee M, Oh CM, Jeon JY, Gee HY, Kim JH, Lee BW, Kang ES, Cha BS, Lee MS, Yu JW, Cho JW, Kim JS, Lee YH. SGLT2 inhibition modulates NLRP3 inflammasome activity via ketones and insulin in diabetes with cardiovascular disease. Nat Commun. 2020 May 1;11(1):2127. doi: 10.1038/s41467-020-15983-6. |