Trial Outcomes & Findings for Pharmacokinetics Study of Oral 2-Deoxy-D-Glucose (2DG) in Subjects With a Confirmed Diagnosis of Epilepsy (NCT NCT05605301)

NCT ID: NCT05605301

Last Updated: 2026-06-09

Results Overview

Area under the concentration-time curve from time zero to the last measurable concentration for 2-deoxy-D-glucose (2DG), calculated from blood samples collected at predefined time points following dosing. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

9 participants

Primary outcome timeframe

From time of drug administration until 24 hours post-dose

Results posted on

2026-06-09

Participant Flow

Participants with a confirmed diagnosis of epilepsy were recruited and enrolled at the University of Virginia between September 2, 2022 and February 5, 2024. All participants were screened for eligibility and enrolled into sequential dosing cohorts.

Participant milestones

Participant milestones
Measure
2DG 40 mg Single Dose
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Overall Study
STARTED
3
3
3
Overall Study
COMPLETED
3
3
3
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

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

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
2DG 40 mg Single Dose
n=3 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Total
n=9 Participants
Total of all reporting groups
Age, Continuous
35 years
n=20 Participants
31 years
n=20 Participants
31 years
n=40 Participants
32 years
n=6 Participants
Sex: Female, Male
Female
0 Participants
n=20 Participants
1 Participants
n=20 Participants
1 Participants
n=40 Participants
2 Participants
n=6 Participants
Sex: Female, Male
Male
3 Participants
n=20 Participants
2 Participants
n=20 Participants
2 Participants
n=40 Participants
7 Participants
n=6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Asian
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=20 Participants
1 Participants
n=20 Participants
1 Participants
n=40 Participants
4 Participants
n=6 Participants
Race (NIH/OMB)
White
1 Participants
n=20 Participants
2 Participants
n=20 Participants
2 Participants
n=40 Participants
5 Participants
n=6 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
0 Participants
n=6 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=20 Participants
0 Participants
n=20 Participants
0 Participants
n=40 Participants
0 Participants
n=6 Participants

PRIMARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Area under the concentration-time curve from time zero to the last measurable concentration for 2-deoxy-D-glucose (2DG), calculated from blood samples collected at predefined time points following dosing. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=3 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Area Under the Curve From Time Zero to Last Observed Time Point (AUClast)
2.81 hour*ug/mL
Standard Deviation 0.49
2.93 hour*ug/mL
Standard Deviation 1.13
4.16 hour*ug/mL
Standard Deviation 0.57

PRIMARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Area under the concentration-time curve from time zero extrapolated to infinity for 2-deoxy-D-glucose (2DG), calculated from blood samples collected at predefined time points following dosing. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=1 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=2 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=2 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Area Under the Curve From Time Zero Extrapolated to Infinity (AUCinf)
3.56 hr*ug/mL
Standard Deviation NA
Standard deviation could not be calculated because only one participant had a determinable AUCinf value in this arm.
3.19 hr*ug/mL
Standard Deviation 1.59
4.71 hr*ug/mL
Standard Deviation 0.81

SECONDARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Elimination half-life (t1/2) of 2-deoxy-D-glucose (2DG), estimated from the terminal phase of the concentration-time curve following dosing. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=1 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=2 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=2 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Elimination Half-Life (t1/2)
1.58 hr
Standard Deviation NA
Standard deviation could not be calculated because only one participant had a determinable half-life value in this arm.
0.968 hr
Standard Deviation 0.25
1.47 hr
Standard Deviation 0.17

SECONDARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Elimination rate constant (Kel) of 2-deoxy-D-glucose (2DG), estimated from the terminal phase of the concentration-time curve following dosing. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=1 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=2 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=2 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Elimination Rate Constant (Kel)
0.439 1/hr
Standard Deviation NA
Standard deviation could not be calculated because only one participant had a determinable elimination rate constant value in this arm.
.741 1/hr
Standard Deviation 0.19
.475 1/hr
Standard Deviation 0.05

SECONDARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Time of the last observed measurable concentration of 2-deoxy-D-glucose (2DG) following dosing, calculated from blood samples collected at predefined time points. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=3 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Time of Last Observed Concentration (Tlast)
6.00 hr
Standard Deviation 0.00
4.67 hr
Standard Deviation 1.16
6.00 hr
Standard Deviation 0.00

SECONDARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Time to maximum observed blood concentration of 2-deoxy-D-glucose (2DG) following dosing, calculated from blood samples collected at predefined time points. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=3 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Time to Maximum Observed Blood Concentration (Tmax)
1.58 hr
Standard Deviation 0.73
0.833 hr
Standard Deviation 0.14
2.00 hr
Standard Deviation 1.73

SECONDARY outcome

Timeframe: From time of drug administration until 24 hours post-dose

Population: All participants who received the assigned dose and had pharmacokinetic samples collected were included in the analysis.

Maximum observed blood concentration of 2-deoxy-D-glucose (2DG) following dosing, calculated from blood samples collected at predefined time points. For the twice-daily cohort, the reported value reflects pharmacokinetic results following the second dose.

Outcome measures

Outcome measures
Measure
2DG 40 mg Single Dose
n=3 Participants
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 Participants
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 Participants
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Maximum Observed Blood Concentration (Cmax)
1.26 ug/mL
Standard Deviation 0.31
1.68 ug/mL
Standard Deviation 0.54
1.54 ug/mL
Standard Deviation 0.45

Adverse Events

2DG 40 mg Single Dose

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

2DG 60 mg Single Dose

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

2DG 60 mg Twice Daily

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
2DG 40 mg Single Dose
n=3 participants at risk
Participants received a single oral dose of 40 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Single Dose
n=3 participants at risk
Participants received a single oral dose of 60 mg 2-deoxy-D-glucose (2DG) and underwent pharmacokinetic and safety monitoring for up to 24 hours post-dose.
2DG 60 mg Twice Daily
n=3 participants at risk
Participants received two oral doses of 60 mg 2-deoxy-D-glucose (2DG) administered approximately 12 hours apart and underwent pharmacokinetic and safety monitoring through 24 hours after the second dose.
Respiratory, thoracic and mediastinal disorders
Nasal Congestion
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Respiratory, thoracic and mediastinal disorders
Throat Irritation
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Nervous system disorders
Somnolence
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Nervous system disorders
Dizziness
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Nervous system disorders
Headache
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Injury, poisoning and procedural complications
Fall
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
General disorders
Feeling Cold
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Eye disorders
Dry Eyes
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Eye disorders
Vision Blurred
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Nervous system disorders
Syncope
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
Investigations
Left Ventricular Ejection Fraction Decrease
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
33.3%
1/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.
0.00%
0/3 • From time of first dose through 14 days post-dose
Adverse events were defined and classified as serious or non-serious according to standard criteria. All participants who received study drug were included in the adverse event analysis.

Additional Information

Nathan B. Fountain

University of Virginia

Phone: 434-243-6281

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place