Trial Outcomes & Findings for A Open-label, Drug Interaction Study Between Eslicarbazepine Acetate and Topiramate (NCT NCT02283814)

NCT ID: NCT02283814

Last Updated: 2025-04-11

Results Overview

BIA 2-194 and BIA 2-195 are metabolites of eslicarbazepine acetate

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

32 participants

Primary outcome timeframe

Time Frame: Group A:Day 8 and 27: within 5 minutes prior to dosing and 0.5,1,1.5,2,2.5,3,3.5,4,6,9,12,16 and 24 hours after drug administration; Group B: Day 8 and 27 within 5 minutes prior dosing and 0.25,0.5,0.75,1,1.33,1.67,2,2.5,3,4,6,9,12,16 and 24h

Results posted on

2025-04-11

Participant Flow

Participant milestones

Participant milestones
Measure
Group A BIA 2-093 + Topamax
Group A * Pre-treatment: 600 mg once daily dose of eslicarbazepine acetate (ESL) administered for two consecutive days; * Treatment 1: 1200 mg once daily dose of eslicarbazepine acetate (ESL) administered for six consecutive days * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg (morning) + 100mg (evening) for two consecutive days * Treatment 4: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200 mg for fifteen consecutive days BIA 2-093 Topamax
Group B BIA 2-093 + Topamax
* Pre-treatment: 100 mg once daily dose of TPM administered for two consecutive days; * Pre-treatment 2: 100 mg twice daily dose of TPM administered for two consecutive days; * Treatment: 200 mg once daily dose of TPM administered for four consecutive days; * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 600 mg and TPM 200 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200mg for seventeen consecutive days BIA 2-093 Topamax
Overall Study
STARTED
16
16
Overall Study
COMPLETED
13
14
Overall Study
NOT COMPLETED
3
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Open-label, Drug Interaction Study Between Eslicarbazepine Acetate and Topiramate

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group A BIA 2-093 + Topamax
n=13 Participants
Group A * Pre-treatment: 600 mg once daily dose of eslicarbazepine acetate (ESL) administered for two consecutive days; * Treatment 1: 1200 mg once daily dose of eslicarbazepine acetate (ESL) administered for six consecutive days * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg (morning) + 100mg (evening) for two consecutive days * Treatment 4: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200 mg for fifteen consecutive days BIA 2-093 Topamax
Group B BIA 2-093 + Topamax
n=14 Participants
* Pre-treatment: 100 mg once daily dose of TPM administered for two consecutive days; * Pre-treatment 2: 100 mg twice daily dose of TPM administered for two consecutive days; * Treatment: 200 mg once daily dose of TPM administered for four consecutive days; * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 600 mg and TPM 200 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200mg for seventeen consecutive days BIA 2-093 Topamax
Total
n=27 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
n=5 Participants
14 Participants
n=7 Participants
27 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Male
13 Participants
n=5 Participants
14 Participants
n=7 Participants
27 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Time Frame: Group A:Day 8 and 27: within 5 minutes prior to dosing and 0.5,1,1.5,2,2.5,3,3.5,4,6,9,12,16 and 24 hours after drug administration; Group B: Day 8 and 27 within 5 minutes prior dosing and 0.25,0.5,0.75,1,1.33,1.67,2,2.5,3,4,6,9,12,16 and 24h

BIA 2-194 and BIA 2-195 are metabolites of eslicarbazepine acetate

Outcome measures

Outcome measures
Measure
BIA 2-093 + TPM
n=27 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate TPM - Topamax
BIA 2-093
n=16 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate
Cmax - the Maximum Plasma Concentration
Cmax (BIA 2-194)
21960.6 ng/mL
Standard Deviation 2482
25414.8 ng/mL
Standard Deviation 3736
Cmax - the Maximum Plasma Concentration
Cmax (BIA 2-195)
931.8 ng/mL
Standard Deviation 216
1062.6 ng/mL
Standard Deviation 235

PRIMARY outcome

Timeframe: Time Frame: Group A:Day 8 and 27: within 5 minutes prior to dosing and 0.5,1,1.5,2,2.5,3,3.5,4,6,9,12,16 and 24 hours after drug administration; Group B: Day 8 and 27 within 5 minutes prior dosing and 0.25,0.5,0.75,1,1.33,1.67,2,2.5,3,4,6,9,12,16 and 24h

BIA 2-194 and BIA 2-195 are metabolites of eslicarbazepine acetate Both Groups A and B described in participant flow recieved BIA 2-093 and Topiramate. The results presented here are related with the different interventions in both groups

Outcome measures

Outcome measures
Measure
BIA 2-093 + TPM
n=27 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate TPM - Topamax
BIA 2-093
n=16 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate
Tmax - the Time of Occurrence of Cmax
Tmax (BIA 2-194)
2.00 hours
Standard Deviation 0.96
2.00 hours
Standard Deviation 0.97
Tmax - the Time of Occurrence of Cmax
Tmax (BIA 2-195)
9.00 hours
Standard Deviation 4.20
6.00 hours
Standard Deviation 3.91

SECONDARY outcome

Timeframe: Time Frame: Group A:Day 8 and 27: within 5 minutes prior to dosing and 0.5,1,1.5,2,2.5,3,3.5,4,6,9,12,16 and 24 hours after drug administration; Group B: Day 8 and 27 within 5 minutes prior dosing and 0.25,0.5,0.75,1,1.33,1.67,2,2.5,3,4,6,9,12,16 and 24h

BIA 2-194 and BIA 2-195 are metabolites of eslicarbazepine acetate

Outcome measures

Outcome measures
Measure
BIA 2-093 + TPM
n=27 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate TPM - Topamax
BIA 2-093
n=16 Participants
BIA 2-093 - ESL; Eslicarbazepine acetate
AUCτ - Cumulative Area Under the Plasma Concentration Time Curve Over the Dosing Interval at Steady State.
AUCτ (BIA 2-194)
361733.9 ng*h/mL
Standard Deviation 38706
389794.3 ng*h/mL
Standard Deviation 35861
AUCτ - Cumulative Area Under the Plasma Concentration Time Curve Over the Dosing Interval at Steady State.
AUCτ (BIA 2-195)
19611.8 ng*h/mL
Standard Deviation 4707
22886.8 ng*h/mL
Standard Deviation 5195

Adverse Events

Group A BIA 2-093 + Topamax

Serious events: 0 serious events
Other events: 15 other events
Deaths: 0 deaths

Group B BIA 2-093 + Topamax

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Group A BIA 2-093 + Topamax
n=16 participants at risk
Group A * Pre-treatment: 600 mg once daily dose of eslicarbazepine acetate (ESL) administered for two consecutive days; * Treatment 1: 1200 mg once daily dose of eslicarbazepine acetate (ESL) administered for six consecutive days * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 100 mg (morning) + 100mg (evening) for two consecutive days * Treatment 4: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200 mg for fifteen consecutive days BIA 2-093 Topamax
Group B BIA 2-093 + Topamax
n=16 participants at risk
* Pre-treatment: 100 mg once daily dose of TPM administered for two consecutive days; * Pre-treatment 2: 100 mg twice daily dose of TPM administered for two consecutive days; * Treatment: 200 mg once daily dose of TPM administered for four consecutive days; * Treatment 2: Concomitant doses of eslicarbazepine acetate (ESL) 600 mg and TPM 200 mg for two consecutive days * Treatment 3: Concomitant doses of eslicarbazepine acetate (ESL) 1200 mg and TPM 200mg for seventeen consecutive days BIA 2-093 Topamax
Cardiac disorders
Palpitations
6.2%
1/16
0.00%
0/16
Eye disorders
dry eye
6.2%
1/16
6.2%
1/16
Eye disorders
Ocular hyperaemia
6.2%
1/16
0.00%
0/16
Gastrointestinal disorders
Abdominal distension
6.2%
1/16
43.8%
7/16
Gastrointestinal disorders
Abdominal pain upper
6.2%
1/16
6.2%
1/16
Gastrointestinal disorders
Constipation
25.0%
4/16
12.5%
2/16
Gastrointestinal disorders
Diarrheoa
6.2%
1/16
12.5%
2/16
Gastrointestinal disorders
Flatulence
12.5%
2/16
18.8%
3/16
Gastrointestinal disorders
hypoaesthesia teeth
6.2%
1/16
0.00%
0/16
Gastrointestinal disorders
Lip dry
31.2%
5/16
37.5%
6/16
Gastrointestinal disorders
Reflux gastritis
6.2%
1/16
0.00%
0/16
Gastrointestinal disorders
Tongue coated
6.2%
1/16
0.00%
0/16
General disorders
Fatigue
31.2%
5/16
37.5%
6/16
General disorders
Feeling drunk
12.5%
2/16
0.00%
0/16
General disorders
Feeling hot
12.5%
2/16
0.00%
0/16
General disorders
hot flush
18.8%
3/16
6.2%
1/16
General disorders
Pyrexia
6.2%
1/16
0.00%
0/16
General disorders
Venipuncture site redness
6.2%
1/16
0.00%
0/16
General disorders
Vessel puncture site bruise
12.5%
2/16
0.00%
0/16
Injury, poisoning and procedural complications
Injury
6.2%
1/16
18.8%
3/16
Investigations
Alanine aminotransferase increased
6.2%
1/16
0.00%
0/16
Investigations
Aspartate aminotransferase increased
6.2%
1/16
0.00%
0/16
Investigations
Red blood cells urine positive
6.2%
1/16
0.00%
0/16
Metabolism and nutrition disorders
Decreased appetite
6.2%
1/16
12.5%
2/16
Musculoskeletal and connective tissue disorders
Arthalgia
6.2%
1/16
0.00%
0/16
Musculoskeletal and connective tissue disorders
Back pain
18.8%
3/16
6.2%
1/16
Musculoskeletal and connective tissue disorders
Limb discomfort
6.2%
1/16
0.00%
0/16
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
6.2%
1/16
0.00%
0/16
Musculoskeletal and connective tissue disorders
Muscular weakness
6.2%
1/16
0.00%
0/16
Musculoskeletal and connective tissue disorders
Myalgia
6.2%
1/16
12.5%
2/16
Musculoskeletal and connective tissue disorders
Sensation of heaviness
6.2%
1/16
0.00%
0/16
Nervous system disorders
Coordination abnormal
6.2%
1/16
0.00%
0/16
Nervous system disorders
Disturbance in attention
25.0%
4/16
6.2%
1/16
Nervous system disorders
Dizziness
31.2%
5/16
6.2%
1/16
Nervous system disorders
Headache
43.8%
7/16
25.0%
4/16
Nervous system disorders
Somnolence
87.5%
14/16
81.2%
13/16
Nervous system disorders
Dysarthria
6.2%
1/16
0.00%
0/16
Nervous system disorders
Head discomfort
6.2%
1/16
0.00%
0/16
Nervous system disorders
Paraesthesia
6.2%
1/16
25.0%
4/16
Nervous system disorders
Paraesthesia oral
50.0%
8/16
18.8%
3/16
Nervous system disorders
Speech disorder
6.2%
1/16
0.00%
0/16
Nervous system disorders
Vision blurred
6.2%
1/16
25.0%
4/16
Psychiatric disorders
Erection increased
6.2%
1/16
6.2%
1/16
Psychiatric disorders
Euphoric mood
25.0%
4/16
18.8%
3/16
Psychiatric disorders
Irritability
6.2%
1/16
0.00%
0/16
Psychiatric disorders
Libido increased
6.2%
1/16
0.00%
0/16
Psychiatric disorders
Mood altered
12.5%
2/16
6.2%
1/16
Psychiatric disorders
Psychomotor retardation
12.5%
2/16
0.00%
0/16
Renal and urinary disorders
Dysuria
6.2%
1/16
0.00%
0/16
Renal and urinary disorders
Pollakiuria
6.2%
1/16
0.00%
0/16
Respiratory, thoracic and mediastinal disorders
Epistaxis
6.2%
1/16
12.5%
2/16
Respiratory, thoracic and mediastinal disorders
Nasal congestion
6.2%
1/16
0.00%
0/16
Respiratory, thoracic and mediastinal disorders
Pharyngolaryngeal pain
12.5%
2/16
6.2%
1/16
Respiratory, thoracic and mediastinal disorders
Upper repiratory tract infection
6.2%
1/16
12.5%
2/16
Respiratory, thoracic and mediastinal disorders
Viral upper respiratory tract infection
6.2%
1/16
0.00%
0/16
Skin and subcutaneous tissue disorders
Dry skin
6.2%
1/16
12.5%
2/16
Skin and subcutaneous tissue disorders
Pruritus
6.2%
1/16
0.00%
0/16
Skin and subcutaneous tissue disorders
Rash
12.5%
2/16
0.00%
0/16
Skin and subcutaneous tissue disorders
Rash generalised
6.2%
1/16
0.00%
0/16
Skin and subcutaneous tissue disorders
Rash maculo-papular
12.5%
2/16
0.00%
0/16
Ear and labyrinth disorders
Ear pain
0.00%
0/16
6.2%
1/16
Eye disorders
Eye pain
0.00%
0/16
6.2%
1/16
Eye disorders
Photophobia
0.00%
0/16
12.5%
2/16
Eye disorders
Visual disturbance
0.00%
0/16
6.2%
1/16
Gastrointestinal disorders
Abdominal pain
0.00%
0/16
18.8%
3/16
Gastrointestinal disorders
Dyspepsia
0.00%
0/16
12.5%
2/16
Gastrointestinal disorders
Gingival bleeding
0.00%
0/16
6.2%
1/16
Gastrointestinal disorders
Nausea
0.00%
0/16
18.8%
3/16
Gastrointestinal disorders
Oral pain
0.00%
0/16
6.2%
1/16
Gastrointestinal disorders
Toothache
0.00%
0/16
6.2%
1/16
Infections and infestations
Oral herpes
0.00%
0/16
6.2%
1/16
Investigations
Blood pressure systolic increased
0.00%
0/16
12.5%
2/16
Musculoskeletal and connective tissue disorders
Muscular discomfort
0.00%
0/16
6.2%
1/16
Musculoskeletal and connective tissue disorders
Muscular stiffness
0.00%
0/16
6.2%
1/16
Nervous system disorders
Amnesia
0.00%
0/16
6.2%
1/16
Nervous system disorders
Coordination decreased
0.00%
0/16
6.2%
1/16
Nervous system disorders
Insomnia
0.00%
0/16
6.2%
1/16
Nervous system disorders
Sensing disturbance
0.00%
0/16
6.2%
1/16
Psychiatric disorders
Agitation
0.00%
0/16
6.2%
1/16
Psychiatric disorders
Anxiety
0.00%
0/16
6.2%
1/16
Renal and urinary disorders
Urine abnormality
0.00%
0/16
6.2%
1/16
Skin and subcutaneous tissue disorders
Skin irritation
0.00%
0/16
6.2%
1/16

Additional Information

Head of Clinical Research

Bial - Portela & Cª, S.A.

Phone: +351 229 866 100

Results disclosure agreements

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

Restriction type: OTHER