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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05494502
Other study ID # 2022-191
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date May 23, 2023
Est. completion date July 2027

Study information

Verified date November 2023
Source Peking University First Hospital
Contact Zeng-Mao Lin, M.D.
Phone +86 13810098351
Email linzengmao@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Chronic postsurgical pain (CPSP) has an incidence of 46% in patients after breast cancer surgery, which seriously affects patients' physiological and psychological function, as well as quality of life. Acute pain is an independent risk factor for persistent pain after surgery. Erector spinae plane block (ESPB) provided excellent perioperative analgesia in patients undergoing breast surgery. Dexmedetomidine as an adjuvant of local anesthetics prolongs the duration of peripheral nerve block and decreases the requirements of postoperative analgesia. The investigators hypothesize that, for breast cancer patients undergoing mastectomy, ESPB (with a combination of 0.5% ropivacaine 35 ml and dexmedetomidine 1 microgram/kg) can reduce the occurrence of CPSP. The purpose of this randomized controlled trial is to investigate the impact of ESPB with adjuvant dexmedetomidine on the incidence of CPSP in breast cancer patients after mastectomy. We will also observe the impact of ESPB on long-term survival in these patients.


Description:

Chronic postsurgical pain (CPSP), defined as pain persisting or recurring for longer than three months after surgery, has an incidence of 46% in patients after breast cancer surgery. It seriously affects patients' physiological and psychological function, as well as quality of life. Acute pain is an independent risk factor for persistent pain after surgery. As a core technique in multimodal analgesia, peripheral nerve block plays an important role in controlling acute postoperative pain in breast cancer patients; it may also prevent the occurrence of CPSP. In our previous trial, use of paravertebral block reduced CPSP at six months after breast cancer surgery; the effect was more prominent in the subgroup of patients following mastectomy. But conclusions can not be achieved until now. Regional anesthesia is also supposed to produce favorable effects on long-term oncological outcomes, possibly by relieving surgery-related stress response and immunosuppression. But, again, available evidences are conflicting regarding regional block and long-term cancer outcomes. The erector spinae plane block (ESPB) was first described by Forero in 2016 and provides excellent perioperative analgesia with minimal side effect in patients undergoing thoracic, breast, and spinal surgeries. As one of the interfacial plane block techniques, the ESPB targets dorsal and ventral rami of the spinal nerves from T2-T7; it may produce effect by diffusing into the paravertebral and intercostal spaces and spreading in both cephalic and caudal directions. Dexmedetomidine is a highly selective α2-adrenoceptor agonist with sedative, analgesic and anti-anxiety properties. When used as an adjuvant to local anesthetics, dexmedetomidine prolongs the duration nerve block and decreased the requirement of postoperative analgesia. The investigators hypothesize that, for breast cancer patients undergoing mastectomy, ESPB (with 0.5% ropivacaine 35 ml combined with dexmedetomidine 1 microgram/kg) can reduce the occurrence of CPSP. The purpose of this randomized controlled trial is to investigate the impact of ESPB with adjuvant dexmedetomidine on the incidence of CPSP in breast cancer patients after mastectomy. We will also observe the effect of ESPB on long-term prognosis in this patient population.


Recruitment information / eligibility

Status Recruiting
Enrollment 1206
Est. completion date July 2027
Est. primary completion date January 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria: 1. Age of 18 years or over, but less than 85 years; 2. Scheduled to undergo mastectomy for primary unilateral breast cancer. Exclusion Criteria: 1. Previous breast cancer surgery with an incision of >2 cm; 2. Chronic opioid dependence or long-term intake of analgesic medicines (>3 months); 3. Any contraindication to erector spinae plane block, including intrathoracic infection, infection at the puncture site, cancer invasion of the puncture site, severe spinal deformity, history of spinal surgery, and severe coagulopathy; 4. Inability to communicate in the preoperative period because of profound dementia, deafness, language barriers, or end-stage disease; 5. History of malignant tumor in other organs, or a current combination of malignant tumor of other organs; 6. History of coronary heart disease (diagnosed coronary stenosis, previous myocardial infarction, previous percutaneous coronary intervention or coronary artery bypass grafting); preoperative hepatic or renal impairment (alanine transaminase and/or aspartate transaminase =2 times of upper limit of normal, or serum creatinine>133 µmol/L); history of peptic ulcer or hemorrhage; ASA classification IV or above; 7. Allergy to ropivacaine.

Study Design


Intervention

Procedure:
Erector spinae plane block
Prior to general anesthesia, ultrasound guided erector spinae plane block (ESPB; performed with 0.5% ropivacaine 35 ml with dexmedetomidine 1 microgram/kg) is performed at T2 level (15 ml) and T4 level (20 ml).
Control group
General anesthesia alone.

Locations

Country Name City State
China Beijing Cancer Hospital Beijing Beijing
China Peking University First Hospital Beijing Beijing

Sponsors (2)

Lead Sponsor Collaborator
Peking University First Hospital Peking University Cancer Hospital & Institute

Country where clinical trial is conducted

China, 

References & Publications (16)

Chin KJ, El-Boghdadly K. Mechanisms of action of the erector spinae plane (ESP) block: a narrative review. Can J Anaesth. 2021 Mar;68(3):387-408. doi: 10.1007/s12630-020-01875-2. Epub 2021 Jan 6. — View Citation

Desai N, Kirkham KR, Albrecht E. Local anaesthetic adjuncts for peripheral regional anaesthesia: a narrative review. Anaesthesia. 2021 Jan;76 Suppl 1:100-109. doi: 10.1111/anae.15245. — View Citation

Dockrell L, Buggy DJ. The role of regional anaesthesia in the emerging subspecialty of onco-anaesthesia: a state-of-the-art review. Anaesthesia. 2021 Jan;76 Suppl 1:148-159. doi: 10.1111/anae.15243. — View Citation

Kojic K, Clarke H. Important considerations with respect to reducing the transition from acute to persistent postoperative pain. Expert Opin Pharmacother. 2021 May;22(7):779-782. doi: 10.1080/14656566.2021.1892073. Epub 2021 Feb 26. No abstract available. — View Citation

Lavand'homme P. The progression from acute to chronic pain. Curr Opin Anaesthesiol. 2011 Oct;24(5):545-50. doi: 10.1097/ACO.0b013e32834a4f74. — View Citation

Li Y, Wang B, Zhang LL, He SF, Hu XW, Wong GT, Zhang Y. Dexmedetomidine Combined with General Anesthesia Provides Similar Intraoperative Stress Response Reduction When Compared with a Combined General and Epidural Anesthetic Technique. Anesth Analg. 2016 Apr;122(4):1202-10. doi: 10.1213/ANE.0000000000001165. — View Citation

Perez-Gonzalez O, Cuellar-Guzman LF, Soliz J, Cata JP. Impact of Regional Anesthesia on Recurrence, Metastasis, and Immune Response in Breast Cancer Surgery: A Systematic Review of the Literature. Reg Anesth Pain Med. 2017 Nov/Dec;42(6):751-756. doi: 10.1097/AAP.0000000000000662. — View Citation

Rabbitts JA, Palermo TM, Lang EA. A Conceptual Model of Biopsychosocial Mechanisms of Transition from Acute to Chronic Postsurgical Pain in Children and Adolescents. J Pain Res. 2020 Nov 24;13:3071-3080. doi: 10.2147/JPR.S239320. eCollection 2020. — View Citation

Ramirez MF, Cata JP. Anesthesia Techniques and Long-Term Oncological Outcomes. Front Oncol. 2021 Dec 8;11:788918. doi: 10.3389/fonc.2021.788918. eCollection 2021. — View Citation

Saadawi M, Layera S, Aliste J, Bravo D, Leurcharusmee P, Tran Q. Erector spinae plane block: A narrative review with systematic analysis of the evidence pertaining to clinical indications and alternative truncal blocks. J Clin Anesth. 2021 Feb;68:110063. doi: 10.1016/j.jclinane.2020.110063. Epub 2020 Oct 5. — View Citation

Saporito A, Aguirre J, Borgeat A, Perren A, Anselmi L, Poggi R, Minotti B, Cafarotti S, La Regina D, Ceruti S. Persistent postdischarge pain and chronic postoperative pain after breast cancer surgery under general anesthesia and single-shot paravertebral block: incidence, characteristics and impact on quality of life and healthcare costs. J Pain Res. 2019 Apr 16;12:1193-1199. doi: 10.2147/JPR.S195702. eCollection 2019. — View Citation

Schug SA, Lavand'homme P, Barke A, Korwisi B, Rief W, Treede RD; IASP Taskforce for the Classification of Chronic Pain. The IASP classification of chronic pain for ICD-11: chronic postsurgical or posttraumatic pain. Pain. 2019 Jan;160(1):45-52. doi: 10.1097/j.pain.0000000000001413. — View Citation

Vorobeichik L, Brull R, Abdallah FW. Evidence basis for using perineural dexmedetomidine to enhance the quality of brachial plexus nerve blocks: a systematic review and meta-analysis of randomized controlled trials. Br J Anaesth. 2017 Feb;118(2):167-181. doi: 10.1093/bja/aew411. — View Citation

Wang L, Cohen JC, Devasenapathy N, Hong BY, Kheyson S, Lu D, Oparin Y, Kennedy SA, Romerosa B, Arora N, Kwon HY, Jackson K, Prasad M, Jayasekera D, Li A, Guarna G, Natalwalla S, Couban RJ, Reid S, Khan JS, McGillion M, Busse JW. Prevalence and intensity of persistent post-surgical pain following breast cancer surgery: a systematic review and meta-analysis of observational studies. Br J Anaesth. 2020 Sep;125(3):346-357. doi: 10.1016/j.bja.2020.04.088. Epub 2020 Jun 28. — View Citation

Zhang J, Chang CL, Lu CY, Chen HM, Wu SY. Paravertebral block in regional anesthesia with propofol sedation reduces locoregional recurrence in patients with breast cancer receiving breast conservative surgery compared with volatile inhalational without propofol in general anesthesia. Biomed Pharmacother. 2021 Oct;142:111991. doi: 10.1016/j.biopha.2021.111991. Epub 2021 Aug 27. — View Citation

Zhang Y, Liu T, Zhou Y, Yu Y, Chen G. Analgesic efficacy and safety of erector spinae plane block in breast cancer surgery: a systematic review and meta-analysis. BMC Anesthesiol. 2021 Feb 20;21(1):59. doi: 10.1186/s12871-021-01277-x. — View Citation

* Note: There are 16 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Other Pain intensity within the first 3 postoperative days Pain intensity is assessed with the numeric rating scale, an 11-point scale where 0=no pain and 10=the worst pain, both at rest and with movement. At 1 hour, 6 hours, 1 day, 2 days, and 3 days after surgery.
Other Subjective sleep quality within the first 3 postoperative days Subjective sleep quality is assessed with the numeric rating scale, an 11-point scale where 0=the best sleep quality and 10=the worst sleep quality. At 1 hour, 6 hours, 1 day, 2 days, and 3 days after surgery.
Other Patient-reported quality of recovery Patient-reported quality of recovery is assessed with the Quality of Recovery-15 scale (QoR-15 scale, a 15-item scale to assess the patients' postoperative recovery in physical comfort, emotional state, physical independence, psychological support and pain. For each item, the score ranges from 0 to 10. The total score ranges from 0 to 150, with higher score indicating better recovery). At day 1 after surgery
Other Length of stay in hospital after surgery Length of stay in hospital after surgery Up to 30 days after surgery
Other Incidence of postoperative complications within 30 days Postoperative complications are generally defined as newly occurred medical conditions that are deemed harmful and required therapeutic intervention within 30 days after surgery. Up to 30 days after surgery
Other Incidence of anxiety at 30 days after surgery Anxiety is defined as a score of 8 or above on the anxiety subscale of the Hospital Anxiety and Depression Scale. At 30 days after surgery
Other Incidence of depression at 30 days after surgery Depression is defined as a score of 8 or above on the depression subscale of the Hospital Anxiety and Depression Scale. At 30 days after surgery
Primary Incidence of chronic postsurgical pain (CPSP) at 6 months after surgery CPSP is defined as pain persisting for at least three months after surgery that was not present before surgery or that had different characteristics, and other possible causes of pain were excluded (e.g., cancer recurrence, infection). At 6 months after surgery
Primary Progression-free survival (long-term outcomes) Progression-free survival is defined as the time from randomization to disease progression (recurrence or metastasis) or death from any cause. Up to 3 years after surgery
Secondary Incidence of chronic postsurgical pain (CPSP) at 3 and 12 months after surgery CPSP is defined as pain persisting for at least three months after surgery that was not present before surgery or that had different characteristics, and other possible causes of pain were excluded (e.g., cancer recurrence, infection). At 3 and 12 months after surgery
Secondary Incidence of neuropathic pain at 3, 6, and 12 months after surgery Neuropathic pain is defined as a score at or above 0 on the Neuropathic Pain Questionnaire Short-form. The questionnaire contains three items, i.e., tingling pain, numbness, and increased pain due to touch. Each item is scored from 0 (no pain) to 100 (worst pain imaginable), and multiplied by a discriminant function coefficient (tingling: 0.017, numbness: 0.015, increased pain to touch: 0.011). The total sum of these is added to a constant value (-1.302) to yield a final score ranging from -1.302 to 2.998, with a cutoff of =0 suggesting neuropathic pain. At 3, 6 and 12 months after surgery
Secondary Overall survival (long-term outcome) Overall survival is defined as the time from randomization to death from any cause. Up to 3 years after surgery
Secondary Event-free survival (long-term outcome) Event-free survival is defined as the time from randomization to tumor recurrence/metastasis, re-hospitalization for any reason, or death from any cause. Up to 3 years after surgery
Secondary Quality of life (long-term outcome) Quality of life is assessed with the breast cancer-specific Quality of Life Questionnaire (EORTC QLQ-BR53). It consists of EORTC-C30 [a 30-item questionnaire that provides assessments of functional dimensions (physical, role, cognitive, emotional, social, fatigue, pain, nausea/vomiting, a global health), the total score ranges from 0 to 100, with higher score indicating better function] and EORTC-BR23 [a 23-item questionnaire that provides assessments of symptom dimensions (systemic therapy side effects, arm symptoms, breast symptoms, body image, sexual functioning, sexual enjoyment, feeling of upset due to hair loss, and future perspective), the total score ranges from 0 to 100,with higher score indicating worse symptom]. At 1 year, 2 years, and 3 years after surgery
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