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Recruiting NCT06896994

Esketamine Combined Pregabalin and Duloxetine for Postherpetic Neuralgia

No phase Interventional Postherpetic Neuralgia

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: esketamine group, control group.
Who it may be relevant to
Registry conditions: Postherpetic Neuralgia. Basic parameters: from 18 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
China
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

Intravenous Infusion of Esketamine in Combination With Pregabalin and Duloxetine for Postherpetic Neuralgia

Overview

To assess the 1-week effects and safety of esketamine in combination with pregabalin and duloxetine to relieve pain in patients with postherpetic Neuralgia(PHN).

Detailed description

The investigators aim to investigate whether or not esketamine combined with pregabalin and duloxetine to relieve pain in patients with PHN, and seek a rapid, effective and safe treatment for refractory patients with PHN

Interventions

  • Drug esketamine group
    In the esketamine group, in addition to receiving the combination of pregabalin and duloxetine, patients will also undergo a single intravenous infusion of esketamine.
  • Drug control group
    receiving the combination of pregabalin and duloxetine

Primary outcome measures

  • the mean of daily pain scores [Time frame: during 1 week]
Secondary outcome measures (8)
  • Averaged weekly NRS score [Time frame: 1 week, 2 weeks, 3 weeks, and 1 month after treatment]
  • percentages of patients having >50% reductions in 24-hour average pain severity during the first week [Time frame: during the first week]
  • the 12-item Short-Form Health Survey (SF-12) score [Time frame: 1 day, 3 days, 7 days, 2 weeks, 3 weeks, and 1 month after treatment]
  • the Pittsburgh Sleep Quality Index (PSQI) score [Time frame: 1 day, 3 days, 7 days, 2 weeks, 3 weeks, and 1 month after treatment]
  • the Patient Global Impression of Change scale (PGIC) [Time frame: 1 day, 3 days, 7 days, 2 weeks, 3 weeks, and 1 month after treatment]
  • The Hospital Anxiety and Depression Scale (HADS) [Time frame: 1 day, 3 days, 7 days, 2 weeks, 3 weeks, and 1 month after treatment]
  • Averaged weekly analgesic consumption [Time frame: 1 day, 3 days, 7 days, 2 weeks, 3 weeks, and 1 month after treatment]
  • Safety assessments [Time frame: 0 day, 1 day, 3 days, 7 days, 2 weeks,3 weeks, and 1 month after treatment]

Eligibility criteria

Inclusion criteria

  • Ages more than 18 years;
  • Pain present for more than 3 months after healing of a herpes zoster skin rash;
  • Has an average pain score of at least 4 on a Numeric Rating Scale (NRS, 0= no pain, 10= worst possible pain);
  • Failed to respond to or tolerate the effective dose of pregabalin monotherapy.

Exclusion criteria

  • Obstructive sleep apnoea syndrome;
  • Those who receive interventional treatments;
  • A history of systemic immune diseases, organ transplantation, or cancers;
  • A history of severe cardiopulmonary, hepatic or renal dysfunction;
  • A history of schizophrenia, epilepsy, or myasthenia gravis, delirium;
  • Currently using monoamine oxidase inhibitors (MAOIs);
  • Having untreated angle-closure glaucoma;
  • Those suffering from increased intracranial pressure;
  • Comorbid hyperthyroidism or phaeochromocytoma;
  • Suspected or confirmed history of drug abuse;
  • Having contraindications to esketamine, pregabaline or duloxetine;
  • Communication difficulties;
  • Women who are preparing for pregnancy, in the pregnancy or lactation period.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Allocation
Randomized
Model
Parallel assignment
Masking
Single blind
Primary purpose
Treatment

Study locations

China · 1 center
  • Beijing Tiantan Hospital — Beijing

Identifiers

NCT: NCT06896994 · KY-2024-332-02-02

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗