Tulodesvenlafaxine to relieve herpes zoster (shingles) pain

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Adults with recent herpes zoster (rash onset under 90 days) and moderate-to-severe pain (NRS ≥4) will receive standard antiviral/analgesic therapy either alone or combined with tulodesvenlafaxine, with liver and kidney function requirements for enrollment. The study compares pain scores and safety outcomes between the two groups over the treatment period. Patients with disseminated or ocular HZ, prior tulodesvenlafaxine use, or known hypersensitivity to the drug are excluded. The approach tests whether increasing central serotonin and norepinephrine availability can provide additional analgesia beyond conventional therapy.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* 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;
* 5\. Estimated glomerular filtration rate of 30 mL/min per 1.73 m2 or higher;
* 6\. Willing to sign the informed consent form and possessing sufficient cognitive and language abilities to comply with all the study requirements.

Exclusion Criteria:

* 1\. History of taking tulodesvenlafaxine;
* 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 tulodesvenlafaxine;
* 4\. History of systemic immune diseases, organ transplantation, or cancers;
* 5\. Pregnancy or breastfeeding;
* 6\. Suffering from acute or chronic pain disorders other than HZ.

Where it's running

• Beijing Tiantan Hospital, Beijing, Beijing 100070
  Beijing, China Recruiting

Study contacts

• Study coordinator: Fang Luo
• Email: 13611326978@163.com
• Phone: 13611326978

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.