ClinicalTrials.gg
Not yet recruitingNCT07648810IRPVBESPUpdated Jun 15, 2026

Comparison Immune Response in Paravertebral and Erector Spinal Plane Block in Breast Cancer Patients

An interventional study of Regional Anesthetic Injection and Blood draw for the laboratory assessment in Breast Cancer - Female, sponsored by Clinical Hospital Center Rijeka. Not yet recruiting. Open to female participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2026-06-15.

Sponsored by Clinical Hospital Center Rijeka · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
56
Allocation
Randomized
Ages
18 Years to 70 Years
Sex
Female
01

Study summary

The goal of this clinical trial is to find the difference in immune response between two types of regional anesthesia in female patients suffering from breast cancer.

The main question it aims to answer is there a difference in the immune response between paravertebral block and erector spinal plane block.

Hypothresis of the study is that paravertebral block with propofol induces less immune response in surgical treatment of breast cancer patients than erector spinal plane block.

Participants will be asked to sign the informant consent. They will be given either paravertebral block or erector spinae plane block with general anesthesia using propofol. Their venous blood will be taken 1 hour prior surgery and 24 and 48 hours after surgery.

02

Conditions studied

  • Breast Cancer - Female

Browse trials for

03

In context

Breast Neoplasms

14,825 studies on the registry are indexed under Breast Neoplasms; 3,319 are open to participants now.

This study's planned enrollment of 56 is below the median of 72 across 10,896 interventional studies indexed under Breast Neoplasms.

Browse Breast Neoplasms studies →

Lead sponsor

Clinical Hospital Center Rijeka is the lead sponsor of 20 studies on the registry; 9 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 70 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • and ASA II status, normal

Exclusion criteria

Exclusion Criteria:

  • and ASA IV status, coagulopathy, chronic opioid use, diabetes, local infection of the skin
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

ASA physical status

The anaesthetists’ scale of health before surgery: I is healthy, II has a mild illness that is under control, III a severe one, IV a severe illness that is a constant threat to life. V and VI are used for the critically ill and for organ donors.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
56 participants (estimated)

Study arms

  • Experimental
    Draw of venous blood 1 hour prior surgery

    Draw of venous blood and application of paravertebral or erector spinae plane block

    Procedure: Regional Anesthetic Injection

  • Experimental
    Draw of venous blood 24 hours after surgery

    Draw of venous blood

    Procedure: Blood draw for the laboratory assessment

  • Experimental
    Draw of venous blood 48 hours after surgery

    Draw of venous blood

    Procedure: Blood draw for the laboratory assessment

Interventions

  • ProcedureRegional Anesthetic Injection

    Draw of venous blood and application of paravertebral and erector spinae plane block

  • ProcedureBlood draw for the laboratory assessment

    Draw of venous blood 24 hours after surgery

  • ProcedureBlood draw for the laboratory assessment

    Blood draw 48 hours after surgery

06

What researchers measure

Primary outcomes

  1. Immune response in two different regional anesthesia techniques

    Time frame: From enrollment to 30 days post surgery

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Jun 2026; primary completion for Oct 2026, 4 months later.

Of 2,661 non-industry interventional studies with no phase under Breast Neoplasms, half reached primary completion within 33 months of starting (the median), counting those still running; a quarter within 16 and three quarters within 66. This study's planned 4 months is below that.

Counting every sponsor, half of 2,771 studies reached it within 33 months; a quarter within 15 and three quarters within 66.

How these figures are worked out, and which studies are left out of them.

Registered
Jun 10, 2026
First posted
Jun 15, 2026
StartEst.
Jun 15, 2026
Primary completionEst.
Oct 15, 2026
CompletionEst.
Apr 15, 2027
Last update
Jun 15, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jun 15, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07648810
Lead sponsor
Clinical Hospital Center Rijeka
Responsible party
Sponsor
First posted
Jun 15, 2026
Start date
Jun 15, 2026 (estimated)
Primary completion
Oct 15, 2026 (estimated)
Completion
Apr 15, 2027 (estimated)
Last update
Jun 15, 2026

Study contacts

Jan Maroević, medical doctor
Contact
jan.maroevic@gmail.com
+385981859039

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Jun 2026. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion