Skip to content

SPS Block vs. Surgical Intercostal Block for Chronic Pain After Thoracoscopic Surgery

Evaluation of Serratus Posterior Superior (SPS) Block Versus Surgical Intercostal Blockade in Preventing Chronic Post-Thoracotomy Pain After Video-Assisted Thoracoscopic Surgery (VATS): A Randomized, Prospective, Comparative Study.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07436806
Enrollment
40
Registered
2026-02-27
Start date
2026-03-01
Completion date
2026-12-10
Last updated
2026-03-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Post-thoracotomy Pain, Neuropathic Pain, Postoperative Pain, Acute

Brief summary

This study aims to evaluate the efficacy of ultrasound-guided Serratus Posterior Superior (SPS) block compared to surgeon-administered intercostal blockade in preventing chronic pain at 3, 6, and 12 months following Video-Assisted Thoracoscopic Surgery (VATS).

Detailed description

Although VATS is a minimally invasive technique, chronic post-thoracotomy pain (CPTP) remains a significant complication due to intercostal nerve injury. This study investigates whether the preemptive analgesic effect of the SPS block, performed under ultrasound guidance before surgery, reduces the incidence and severity of chronic pain more effectively than standard surgical intercostal blocks. Secondary objectives include assessing acute pain scores (VAS/NRS) within the first 24 hours, total opioid consumption, and duration of hospital stay.

Interventions

DRUGSPS block

30 mL of 0.25% Bupivacaine will be injected into the plane between the Serratus Posterior Superior muscle and the intercostal muscles at the scapular level.

DRUGSurgical Intercostal Blockade.

At the end of the operation, the surgeon will perform an injection of a total of 30 mL of 0.25% Bupivacaine into three intercostal nerves above and below the incision site under direct thoracoscopic visualization.

Sponsors

Medipol University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Masking description

The patients will be blind to the study groups.

Intervention model description

There are two models for this study. The first group is the SPS block. The second one is the Surgical Intercostal Blockade group.

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* ASA physical status I-III. * Scheduled for elective unilateral Video-Assisted Thoracoscopic Surgery (VATS).

Exclusion criteria

* History of allergy to local anesthetics. * Pre-existing chronic pain syndrome or neuropathic pain. * Psychiatric disorders affecting pain assessment. * Coagulation disorders. * Previous thoracic surgery on the same side.

Design outcomes

Primary

MeasureTime frameDescription
Incidence and severity of Chronic Post-Thoracotomy Pain (CPTP)Incidence and severity of Chronic Post-Thoracotomy Pain (CPTP) at 3, 6, and 12 months post-surgery.The primary aim is to compare incidence and severity of Chronic Post-Thoracotomy Pain with McGill Pain Questionnaire (MPQ).

Secondary

MeasureTime frameDescription
Opioid consumption (Fentanyl PCA)Changes from baseline opioid consumption at postoperative 1, 2, 4, 8, 16 and 24 hours.The primary aim is to compare postoperative opioid consumption from the PCA device.
Pain scores (Numerical rating scale-NRS)Changes from baseline pain scores at postoperative 1, 2, 4, 8, 16 and 24 hoursThe secondary aim is to compare NRS at the postoperative 24 h. Postoperative pain assessment will be performed using the NRS (0 = no pain, 10 = the most severe pain felt). The NRS scores will be recorded
Need for rescue analgesia (meperidine)Postoperative 24 hours periodThe secondary aim is to compare rescue analgesia used in the postoperative 24 h.
Adverse eventsPostoperative 24 hours periodThe secondary aim is to compare the adverse events (nausea, vomiting, itching) related to opioid use
Incidence and severity of Chronic Post-Thoracotomy Pain (CPTP)Incidence and severity of Chronic Post-Thoracotomy Pain (CPTP) at 3, 6, and 12 months post-surgery.The secondary aim is to compare ncidence and severity of Chronic Post-Thoracotomy Pain with Neuropathic pain characteristics using LANSS (Leeds Assessment of Neuropathic Symptoms and Signs) and McGill Pain Questionnaire (MPQ).

Countries

Turkey (Türkiye)

Contacts

CONTACTBahadir Ciftci, Assoc Prof, MD
bciftci@medipol.edu.tr+905343736865
CONTACTAyse Cicek

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 11, 2026