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XPF-008

Phase 1

Healthy Male Volunteers | Small molecule | Other |Xenon Pharmaceuticals Inc.|Last Updated: May 11, 2023

Success Probability

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment20

FDA Designations

No designations recorded

Clinical trial landscape

XPF-008 · 2 trials · 2 indications

Phase 1 2
NCT03468725Safety, Tolerability, Pharmacokinetics and Effects on Transcranial Magnetic Stimulation of Oral Doses of XEN1101Healthy Male Volunteers
COMPLETED20 Analytics
NCT03340220Safety, Tolerability, and Pharmacokinetics (PK) of Single and Multiple Ascending Oral Doses of XEN1101.Healthy Volunteers
COMPLETED130 Analytics
PHASE1COMPLETED
Safety, Tolerability, Pharmacokinetics and Effects on Transcranial Magnetic Stimulation of Oral Doses of XEN1101
Healthy Male VolunteersUnlock trial analytics
PHASE1COMPLETED
Safety, Tolerability, and Pharmacokinetics (PK) of Single and Multiple Ascending Oral Doses of XEN1101.
Healthy VolunteersUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with adverse events (AEs) as assessed by CTCAE v4.03
From screening (28 days prior to Day 1) through to 30 days post-final dose

To assess AEs as a criteria of safety and tolerability

Resting 12-lead electrocardiogram (ECG)
From screening (28 days prior to Day 1) through to Day 14

To assess ECG intervals (PR, QRS, QTcF, RR) as a criteria of safety and tolerability

Number of participants with vital sign abnormalities
From screening (28 days prior to Day 1) through to Day 14

To assess vital signs as a criteria of safety and tolerability

Pharmacodynamic (PD) Effects assessed by Transcranial Magnetic Stimulation (TMS) biological markers of brain excitability
Day 1 predose through to Day 7

To assess biological marker of brain excitability: amplitude (in uV) of TMS evoked potentials on the EEG

PD Effects assessed by TMS biological markers of brain excitability
Day 1 predose through to Day 7

To assess biological marker of brain excitability: resting motor threshold (in %) for elicitation of an electromyographic response

Parts 1 & 2: Number of Participants with Adverse Events (AEs)
From screening (28 days prior to Day 1) through to 30 days post-final dose

To assess AEs as a criteria of safety and tolerability

Parts 1 & 2: Resting electrocardiogram (ECG)
At screening (28 days prior to Day 1) through to 7 days post-final dose

To assess ECG as a criteria of safety and tolerability

Parts 1 & 2: Vital signs
At screening (28 days prior to Day 1) through to 7 days post-final dose

To assess vital signs as a criteria of safety and tolerability

Part 3a: Maximum Observed Plasma Concentration (Cmax) of XEN1101
At screening (27 days prior to Day -1) through to 31 days post dose

To characterize the PK profile of XEN1101 and M11 (a metabolite of XEN1101) in plasma of single ascending, oral doses of XPF-010

Part 3a: Area under the plasma concentration-time curve (AUC) of XEN1101
At screening (27 days prior to Day -1) through to 31 days post dose

To characterize the PK profile of XEN1101 and M11 (a metabolite of XEN1101) in plasma of single ascending, oral doses of XPF-010

Part 3a: Frequency and severity of treatment-emergent adverse events (TEAEs), treatment-emergent serious adverse events (SAEs), and TEAEs leading to treatment discontinuations
At screening (27 days prior to Day -1) through to 31 days post dose

To evaluate the safety and tolerability of XEN1101 (XPF-010)

Part 3b: Maximum Observed Plasma Concentration (Cmax) of XEN1101
At screening (27 days prior to Day -1) through to 31 days post dose

To assess the Food Effect on PK (Cmax) and the relative bioavailability/comparability (Cmax) of XEN1101 following single oral doses of XPF-010 (fed), XPF-008 (fed) and XPF-010 (fasted)

Part 3b: Area under the plasma concentration-time curve (AUC) of XEN1101
At screening (27 days prior to Day -1) through to 31 days post dose

To assess the Food Effect on PK (AUC0-240h) and the relative bioavailability/comparability (AUC0-240h) of XEN1101 following single oral doses of XPF-010 (fed), XPF-008 (fed) and XPF-010 (fasted)

Part 3b: Frequency and severity of TEAEs, treatment-emergent SAEs, and TEAEs leading to treatment discontinuations
At screening (27 days prior to Day -1) through to 31 days post dose

To evaluate the safety and tolerability of XEN1101

Part 4: Maximum Observed Plasma Concentration (Cmax) of XEN1101
At screening (27 days prior to Day -1) through to 51 days post dose

To characterize the PK profile of XEN1101 and M11 (metabolite of XEN1101) in plasma of multiple daily oral doses of XPF-010

Part 4: Area under the plasma concentration-time curve (AUC) of XEN1101
At screening (27 days prior to Day -1) through to 51 days post dose

To characterize the PK profile of XEN1101 and M11 (metabolite of XEN1101) in plasma of multiple daily oral doses of XPF-010

Part 4: Frequency and severity of TEAEs, treatment-emergent SAEs, and TEAEs leading to treatment discontinuations
At screening (27 days prior to Day -1) through to 51 days post dose

To evaluate the safety and tolerability of XEN1101 (XPF-010)

Part 5: Maximum Observed Plasma Concentration (Cmax) of XEN1101
Day 10 and Day 11

To assess the PK of XEN1101 (XPF-010) in the presence and absence of itraconazole

Part 5: Area under the plasma concentration-time curve (AUC) of XEN1101
Day 10 and Day 11

To assess the PK of XEN1101 (XPF-010) in the presence and absence of itraconazole

Part 5: Frequency and severity of TEAEs, treatment-emergent SAEs, and TEAEs leading to treatment discontinuations
At screening (27 days prior to Day -1) through to 51 days post dose

To evaluate the safety and tolerability of XEN1101 (XPF-010)

Secondary Endpoints

Maximum Observed Plasma Concentration (Cmax)
Day 1 predose through to Day 8
Terminal elimination half-life (t1/2)
Day 1 predose through to Day 8
Area Under the Plasma Concentration-Time Curve from Time Zero to the Time of the Last Quantifiable Plasma Concentration (AUC0-last)
Day 1 predose through to Day 8
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
XPF-008EXPERIMENTALSingle oral dose
PlaceboACTIVE_COMPARATORSingle oral dose
Drug: XEN1101 XPF-008 Formulation OralEXPERIMENTALXEN1101 XPF-008 Formulation Part 1 - Single ascending dose: Single oral dose for each cohort Part 2 - Multiple ascending dose: 7 days of single oral dose daily for each cohort
Placebo - Microcrystalline cellulose oralPLACEBO_COMPARATORPart 1- Single Ascending Dose: Single oral dose for each cohort Part 2 - Multiple Ascending Dose: 7 days of single oral dose daily for each cohort
Drug: XEN1101 XPF-008 Formulation Oral Drug: XEN1101 XPF-010 Formulation OralEXPERIMENTALXEN1101 XPF-008 and XPF-010 Formulation Cross Over Part 3 will explore dose proportionality of XPF-010 and confirm dosing for subsequent cohorts, and the food effect and relative bioavailability of XPF-010 compared to XPF-008
Drug: XEN1101 XPF-010 Formulation OralEXPERIMENTALXEN1101 XPF-010 Formulation Oral Part 4 will explore multiple dose PK
Drug: XEN1101 XPF-010 Formulation Oral Drug: Itraconazole 400mg OralEXPERIMENTALXEN1101 XPF-010 Formulation + Itraconazole Part 5 will explore the drug-drug interaction of XPF-010, when given with itraconazole (400mg, single dose, oral solution, fasted)

Interventions

NameTypeDescription
XPF-008DRUGCapsule filled with XEN1101
Microcrystalline CelluloseDRUGPlacebo capsule
XPF-010DRUGCapsule filled with XEN1101
Itraconazole 400mgDRUGOral
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Eligibility Criteria

Age Range18 Years to 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Key Inclusion Criteria: * Healthy male aged between 18 and 55 years inclusive with a body mass index (BMI) between 18.5 and 30.0 kg/m2 * Right-handed only * Must agree to use effective methods of contraception, if applicable * Able to swallow multiple capsules * Able to provide written, personally ...

Countries:United Kingdom
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Frequently asked questions about XPF-008

What is XPF-008 used for?

XPF-008 is an investigational small molecule being studied in healthy volunteers, including healthy male volunteers, in early-stage clinical trials. It is being developed by Xenon Pharmaceuticals Inc. and is currently in Phase 1 clinical development, meaning it has not been approved by regulatory authorities.

Who makes XPF-008?

XPF-008 is being developed by Xenon Pharmaceuticals Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol XENE. The company is conducting Phase 1 clinical trials to evaluate the safety, tolerability, and pharmacokinetics of this investigational small molecule.

What phase is XPF-008 in?

XPF-008 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Two Phase 1 trials have been completed, both involving healthy volunteers, and the drug remains in early-stage clinical testing.

What clinical trials is XPF-008 in?

XPF-008 has been studied in two completed Phase 1 clinical trials. The first, NCT03340220, evaluated safety, tolerability, and pharmacokinetics of single and multiple ascending oral doses in 130 healthy volunteers in the United Kingdom. The second, NCT03468725, assessed safety, tolerability, pharmacokinetics, and effects on transcranial magnetic stimulation in 20 healthy male volunteers.

Is XPF-008 the same as XEN1101?

Yes, XPF-008 is also known as XEN1101. The clinical trials listed under XPF-008, including NCT03340220 and NCT03468725, use the name XEN1101 in their titles. Both names refer to the same investigational small molecule being developed by Xenon Pharmaceuticals Inc.