Pharmacokinetics Study of Oral 2-Deoxy-D-Glucose (2DG) in Subjects With a Confirmed Diagnosis of Epilepsy

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This project studies how 2-deoxy-glucose (2DG) pills are absorbed and distributed in people with epilepsy. 2DG is similar to glucose, the main energy source for the brain, but it cannot be used as energy. During seizures, neurons are at a very high metabolic state with huge glucose metabolism as glycolysis is accelerated to supply the high metabolic needs of a seizure. 2DG is taken up by cells but cannot be metabolized by the first enzyme in the glycolytic pathway, thus is stops, or "clogs up", glycolysis. Since brain metabolism is almost entirely dependent on glucose as an energy source, glycolysis is arrested and may stop seizures. It is hoped that 2DG will stop seizures by interfering with the brain's energy use. This is an open-label phase 2 study of the pharmacokinetics (PK), safety, and tolerability of 2DG administered orally to adult epilepsy patients. A 3-level 2DG dose escalation is planned in sequential cohorts of 3 subjects in each cohort with review of each cohort before proceeding to the next cohort. On the day of oral 2DG exposure, subjects will receive a single dose of 40 mg in the first cohort, a single dose of 60 mg in the second cohort, and two 60 mg doses (60 mg bid) in the third cohort. After 3 subjects have completed dosing at Dose Level 1 (40 mg/day), the safety and PK results will be reviewed. The Study Committee will determine if the next cohort should be enrolled at Dose Level 2 (60 mg/day). The same procedure will be repeated to determine if the next cohort should be enrolled at Dose Level 3 (60 mg bid = 120 mg/day). If the Study Committee determines that the most recent dose is not tolerated or that there are significant adverse events, the subsequent Dose Level will not be enrolled. A standard time-concentration curve will be constructed from the 2DG levels obtained from the PK blood draws. Parameters will be calculated for: time to maximum concentration (tmax), maximum concentration (Cmax), elimination rate, half-life (t1/2), AUC, and derived parameters. Statistical analysis will not be performed because of the small n, but this will nevertheless establish the PK profile of 2DG in people with epilepsy. The most important parameter will be the AUC which determines drug exposure.

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Last update posted Jun 8, 2026 · Synced Sep 26, 2026

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