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Safety and Efficacy Study of KAI-1678 to Treat Pain in Subjects With Postherpetic Neuralgia

A Double-Blind, Randomized, Placebo- and Active-Comparator-Controlled, Single-Dose Study to Assess the Efficacy of KAI-1678 Administered by Subcutaneous Infusion in Subjects With Postherpetic Neuralgia

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01106716
Enrollment
23
Registered
2010-04-20
Start date
2009-03-31
Completion date
2010-04-30
Last updated
2025-09-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Postherpetic Neuralgia

Keywords

Lidocaine, Lignocaine, Analgesics. Non-narcotic / therapeutic use, Neuralgia, Postherpetic, Pain, Pain measurement / drug effect, Pain postoperative / drug therapy, PHN

Brief summary

The purpose of this study is to determine whether KAI-1678 is effective in the treatment of postherpetic neuralgia pain

Interventions

DRUGPlacebo

Placebo IV Infusion

KAI-1678 IV Infusion

DRUGLidocaine

Lidocaine

Sponsors

Trident Clinical Research Pty Ltd
CollaboratorINDUSTRY
KAI Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* diagnosis of PHN with pain for at least 3 months after segmental herpes zoster eruption * pain score at least 4 on 11-point numerical rating scale (0-10) * stable doses of analgesic medications for at least 1 month

Exclusion criteria

* diagnosis of PHN with pain for at least 3 months after segmental herpes zoster eruption * pain score at least 4 on 11-point numerical rating scale (0-10) * stable doses of analgesic medications for at least 1 month

Design outcomes

Primary

MeasureTime frameDescription
The effect of KAI-1678 on mean change from baseline in pain intensity at 6 hours (PID 6).Day 1Measurements are made using a qualified pain scale and the change from basline is calculated at 6 hours.

Secondary

MeasureTime frameDescription
The effect of KAI-1678 on the proportion of subjects achieving at least a 1 point improvement in pain intensity at 6 hoursDay 1
The effect of KAI-1678 on patient global response to treatmentDay 1
The effect of KAI-1678 on symptoms associated with PHN assessed by the Neuropathic Pain Scale (NPS)Day 1
The number of adverse events as a measure of safety and tolerability of KAI-1678Two weeksFrequency of adverse events on each study treatment

Countries

Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026