The Analgesic Efficacy and Safety of Loxoprofen Sodium Patch in Patients With Herpes Zoster

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorBeijing Tiantan Hospital

About this trial

Herpes zoster (HZ) is characterized by a painful dermatomal rash and significantly affects quality of life, with acute pain increasing the risk of postherpetic neuralgia. Although early antiviral therapy limits viral replication, its analgesic effect is insufficient, and many patients experience inadequate relief despite stepwise use of non-opioids and opioids. Topical NSAIDs offer a promising alternative by delivering localized analgesia with reduced systemic exposure. Therefore, investigators hypothesize that loxoprofen sodium patch may effectively reduce the severity of HZ pain without significantly increasing adverse events.

Eligibility criteria

Qualifiers

1. Ages more than 18 years;

2. Patients with onset of HZ rash less than 90 days;

3. Experiencing moderate to severe HZ pain with an average pain score of at least 4 on a Numeric Rating Scale (NRS, 0 = no pain, 10 = worst possible pain);

4. Aspartate aminotransferase and alanine aminotransferase levels less than twice the upper limit of normal;

Disqualifiers

1. History of taking loxoprofen sodium patch;

2. Patients with evidence of cutaneous or visceral dissemination of HZ infection (cutaneous dissemination is defined as more than 20 discrete lesions outside adjacent dermatomes) or ocular involvement of HZ;

3. History of intolerance or hypersensitivity to any active components or excipient of the loxoprofen sodium patch;

4. History of systemic immune diseases, organ transplantation, or cancers;

Trial design

Treatments tested in this trial

  • Conventional therapy group
  • Loxoprofen sodium patch combined with conventional therapy group

Treatment groups

750 Participants
are divided into 2 treatment groups

Sponsors and collaborators