Table 2 Characteristics of group C individuals studied for ketonemia.

From: Maximum dose, safety, tolerability and ketonemia after triheptanoin in glucose transporter type 1 deficiency (G1D)

Subject number

Age at enrollment (years), gender

Phenotype

SLC2A1 variant

Previous treatments

Current treatment

C1

6, M

Epilepsy, ID

c.880 T > C

(p.Ser294Pro)

MAD

MAD

C2

11, F

Epilepsy, apraxia, ID

c.940 G > A

(p.Gly314Ser)

MAD

MAD

C3

6, M

Epilepsy, ID

c.940 G > A

(p.Gly314Ser)

KD

None

C4

3, F

Epilepsy, ID

c.1198 C > T

(p.Arg400Cys)

ASM

None

C5

7, F

Epilepsy, ID

c.1199 G > A

(p.Arg400His)

ASM

None

C6

7, F

Epilepsy, ID

PET positive

ASM

None

C7

2, F

Epilepsy, ID

c.1198 C > T

(p.Arg400Cys)

KD

None

  1. Demographic data, phenotype, SLC2A1 variant and dietary or pharmacologic treatments received throughout life and current treatment at enrolment. M male, F female, ID intellectual disability, KD Ketogenic diet, MAD Modified Atkins diet, ASM antiseizure medications, PET positive diagnosed via fluoro-deoxyglucose PET study.