New shot trio battles shingles nerve pain: exosomes, PRP, or steroids?
NCT ID NCT07565844
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests three different injections—exosomes, platelet-rich plasma (PRP), and steroids—to see which best eases long-term nerve pain after shingles. 45 adults with pain lasting at least 3 months will get four treatments every two weeks. Researchers will measure pain, quality of life, and side effects for up to 6 months.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 45 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Nov 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients with post-herpes zoster persistent dermatomal pain consistent with post-herpetic neuralgia for at least 90 days. Male or female patients. Age 18 years or older. Willingness to comply with study procedures and attend follow-up visits. Ability and willingness to provide written informed consent Exclusion Criteria: * History of hypersensitivity to any of the study treatments. Pregnancy. Any type of skin infection involving the affected dermatome. Immunocompromised patients, including patients with cancer or HIV. Patients with bone marrow aplasia. Patients with known bleeding tendency, platelet dysfunction, or thrombocytopenia, defined as platelet count less than 150 × 10⁹/L. Regular use of anticoagulant or antiplatelet drugs.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Zagazig University Hospitals
RECRUITINGZagazig, Zagazig, 44519, Egypt
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