PECTORALIS BLOCK INCREASES NATURAL KILLER CELLS ABSOLUTE COUNT AND THE PERCENTAGE OF ACTIVATED NATURAL KILLER CELLS ON PATIENTS UNDERGOING BREAST CANCER SURGERY

PECTORALIS BLOCK INCREASES NATURAL KILLER CELLS ABSOLUTE COUNT AND THE PERCENTAGE OF ACTIVATED NATURAL KILLER CELLS ON PATIENTS UNDERGOING BREAST CANCER SURGERY - PECTORALIS BLOCK INCREASES NATURAL KILLER CELLS ABSOLUTE COUNT AND THE PERCENTAGE OF ACTIVATED NATURAL KILLER CELLS ON PATIENTS UNDERGOING BREAST CANCER SURGERY

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038885

Enrollment

Registered

2019-12-14

Start date

2019-05-10

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Women 18-65 years who undergo elective modified radical mastectomy

Interventions

Ultrasound guided Pectoralis block using 0.5% Ropivacaine: - 10 ml between pectoralis mayor muscle and pectoralis minor muscle - 20 ml above serratus anterior muscle at the level of third rib Ultras

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Undergo elective unilateral modified radical mastectomy procedure

Exclusion criteria

Exclusion criteria: - decline to sign the informed consent form - local infection and or obvious tumor in the block site - coagulopathy - history of allergy to medication used in this study - history of treatment for chronic pain and/or psychiatric disorder

Design outcomes

Primary

Measure	Time frame
Natural killer cells absolute count and percentage of activated natural killer cells	—

Secondary

Measure	Time frame
Total fentanyl consumption	—

Countries

Asia(except Japan)

Contacts

Public ContactHalim Sudono

Airlangga University, dr Soetomo General Hospital Anesthesiology and Intensive Care

dgozaru@gmail.com+6231-5501500

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026