Does ultrasound-guided paravertebral block for pain after modified radical mastectomy?

The effects of ultrasound-guided paravertebral block on acte and chronic pain after modified radical mastectomy

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-INR-16007874

Enrollment

Unknown

Registered

2016-02-02

Start date

2016-02-15

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

Breast Cancer

Interventions

Group PVB:Ultrasound-guided Paravertebral?block

Group control:without Ultrasound-guided Paravertebral block

Eligibility

Sex/Gender

Female

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients (18 to 60 years) with American Society of Anesthesiologists (ASA) Physical Status class I-II scheduled for first modified radical mastectomy were included in the study.

Exclusion criteria

Exclusion criteria: 1. Chronic ethanol, long-term use of psychotropic drugs (e.g. sedative drugs and antidepressant); 2. Contraindications for Paravertebral block including coagulopathy, infection at the puncture site, trauma or history of spine surgery; 3. Unable to cooperate with this research due to cognitive impairment, psychopathy or not willing for the hospital follow-up; 4. Administration of other test drugs or joining in other clinical study in 3 months before our study; 5. Received radiotherapy or chemotherapy before surgery; 6. Other conditions not allocated for this study out of the researchers consideration.

Design outcomes

Primary

Measure	Time frame
Chronic pain intensity;	—

Secondary

Measure	Time frame
The immune function;Postoperative pain intensity;	—

Countries

China

Contacts

Public ContactBin Qian

eyao717@sina.com+86 15880065016

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026