NCT07732556

Brief Summary

The aim of this study is to compare the analgesic efficacy and safety of ultrasound-guided midpoint transverse process block versus ultrasound-guided erector spinae plane block in patients suffering from thoracic herpes zoster pain.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
90

participants targeted

Target at P50-P75 for not_applicable

Timeline
10mo left

Started Jul 2026

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress9%
Jul 2026Jun 2027

Study Start

First participant enrolled

July 1, 2026

Completed
22 days until next milestone

First Submitted

Initial submission to the registry

July 23, 2026

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 29, 2026

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2027

Last Updated

July 29, 2026

Status Verified

July 1, 2026

Enrollment Period

11 months

First QC Date

July 23, 2026

Last Update Submit

July 23, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Incidence of post-herpatic neuralgia

    Incidence of post-herpatic neuralgia will be recorded after 12 weeks of block

    After 12 weeks of block

Secondary Outcomes (9)

  • Blood pressure

    24 hours postoperatively

  • Heart rate

    24 hours postoperatively

  • Oxygen saturation

    24 hours postoperatively

  • Time to first rescue analgesia

    24 hours postoperatively

  • Total rescue analgesics consumption

    24 hours postoperatively

  • +4 more secondary outcomes

Study Arms (2)

Group MTP

OTHER

Patients will receive ultrasound-guided midpoint transverse process to pleura block using 10 mL 0.25% bupivacaine + 40 mg methylprednisolone.

Other: Midpoint transverse process to pleura block

Group ESP

OTHER

Patients will receive ultrasound -guided erector spinae plane block using 10 mL 0.25% bupivacaine + 40 mg methylprednisolone.

Other: Erector spinae plane block

Interventions

Patients will receive ultrasound-guided midpoint transverse process to pleura block using 10 mL 0.25% bupivacaine + 40 mg methylprednisolone.

Group MTP

Patients will receive ultrasound -guided erector spinae plane block using 10 mL 0.25% bupivacaine + 40 mg methylprednisolone.

Group ESP

Eligibility Criteria

Age21 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Age 21-60 years.
  • Both sexes.
  • American Society of Anesthesiologists (ASA) physical status I-II.
  • Acute thoracic herpes zoster within 30 days of rash onset.
  • Moderate to severe pain \[numeric rating scale (NRS)≥4\].

You may not qualify if:

  • Refusal to participate.
  • Coagulopathy or anticoagulant therapy.
  • Infection at puncture site.
  • Allergy to study drugs.
  • Severe psychiatric illness or inability to assess pain.
  • Previous thoracic surgery deformity.
  • Uncontrolled Diabetic patient.
  • Chronic diseases as renal, hepatic, malignancy.
  • Patients with chronic disease need analgesia.
  • Patients are coming for more than 3 months (after healing of rash).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tanta University

Tanta, El-Gharbia, 31527, Egypt

RECRUITING

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Resident of Anesthesia, Intensive Care and Pain Management, Tanta University, Egypt.

Study Record Dates

First Submitted

July 23, 2026

First Posted

July 29, 2026

Study Start

July 1, 2026

Primary Completion (Estimated)

June 1, 2027

Study Completion (Estimated)

June 1, 2027

Last Updated

July 29, 2026

Record last verified: 2026-07

Data Sharing

IPD Sharing
Will share

The data will be available upon a reasonable request from the corresponding author after the end of study for one year.

Shared Documents
STUDY PROTOCOL
Time Frame
After the end of study for one year.
Access Criteria
The data will be available upon a reasonable request from the corresponding author.

Locations