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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT04630483
Other study ID # Medipol Hospital 17
Secondary ID
Status Withdrawn
Phase
First received
Last updated
Start date November 23, 2020
Est. completion date December 30, 2022

Study information

Verified date April 2022
Source Medipol University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

Cancer is a major cause of morbidity and mortality worldwide. Despite the use of surgery in an attempt to cure the majority of solid tumors, metastasis from residual cancer cells still remains a major cause of morbidity and mortality. General anesthesia and surgical stress during surgery suppress the immune response by directly affecting the immune system or by activating the hypothalamic-pituitaryadrenal axis and the sympathetic nervous system. The aim of our prospective observational study was to assess the value of neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio regarding outcome underwent cancer surgery. Primary aim is to assess the preoperative and postoperative values of inhalational anesthesia vs total intravenous anesthesia.


Description:

Cancer is a major cause of morbidity and mortality worldwide. Despite the use of surgery in an attempt to cure the majority of solid tumors, metastasis from residual cancer cells still remains a major cause of morbidity and mortality. As is the case with most cancers, loco-regional recurrence and distant metastases are all too common, even after successful surgical treatment and adjuvant therapy. Cancer metastasis is a complex process in which cancer cells evade the immune system. Cancer cells gain the ability to proliferate, migrate, and invade adjacent tissues, and together with angiogenesis, these capabilities facilitate the successful metastasis of cancer. General anesthesia and surgical stress during surgery suppress the immune response by directly affecting the immune system or by activating the hypothalamic-pituitaryadrenal axis and the sympathetic nervous system. Along with surgical stress, blood transfusion, hypothermia, and postoperative pain, anesthetics are associated with immunosuppression during perioperative periods because anesthetics/analgesics have direct suppressive effects on cellular and humoral immunity. In general anesthesia, it is suggested that inhalational anesthesia (INHA) such as sevoflurane and isoflurane may modulate antimetastatic immunity by inhibiting NK cell cytotoxicity and inhibit T helper cell proliferation. This could potentially be unfavorable for cancer survival. In contrast, propofol-based total intravenous anesthesia (TIVA) is suggested to have anti-inflammatory features and to be advantageous compared with INHA by promoting the activation of T-helper cells, decreasing matrix metalloproteinases, and not suppressing NK cell activity to the same extend as INHA. The immunological impact of the anesthetic agents may thus influence clinical measures including overall mortality and postoperative recovery. Recently, some readily available parameters, originated from routine complete blood count (CBC), have been investigated as potential biomarkers with mixed results and no consensus so far regarding its accuracy and clinical usefulness: neutrophil-to-lymphocyte ratio (NLR), monocyte-to lymphocyte ratio (MLR), platelet-to-lymphocyte ratio (PLR), and mean platelet volume-to-platelet count (MPV/PC) ratio. The aim of our prospective observational study was to assess the value of NLR and PLR ratio regarding outcome underwent cancer surgery. Primary aim is to assess the preoperative and postoperative values of inhalational anesthesia vs total intravenous anesthesia.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date December 30, 2022
Est. primary completion date December 30, 2022
Accepts healthy volunteers
Gender All
Age group 20 Years to 75 Years
Eligibility Inclusion Criteria: - American Society of Anesthesiologists (ASA) classification I-II - Scheduled for elective cancer surgery (urology, general surgery, gynecologic) under general anesthesia Exclusion Criteria: - Secondary sepsis and/or septic shock with an underlying condition - Active infection such as severe peritonitis, pancreatitis, or trauma - Long-term ICU stay - Preexisting immunodeficiency.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
INHA
NLR and PLR ratio will be assessed at postoperative 6th and 24th hours compared to preoperative values
TIVA
NLR and PLR ratio will be assessed at postoperative 6th and 24th hours compared to preoperative values

Locations

Country Name City State
Turkey Istanbul Medipol University Hospital Istanbul Bagcilar

Sponsors (1)

Lead Sponsor Collaborator
Medipol University

Country where clinical trial is conducted

Turkey, 

References & Publications (3)

Djordjevic D, Rondovic G, Surbatovic M, Stanojevic I, Udovicic I, Andjelic T, Zeba S, Milosavljevic S, Stankovic N, Abazovic D, Jevdjic J, Vojvodic D. Neutrophil-to-Lymphocyte Ratio, Monocyte-to-Lymphocyte Ratio, Platelet-to-Lymphocyte Ratio, and Mean Platelet Volume-to-Platelet Count Ratio as Biomarkers in Critically Ill and Injured Patients: Which Ratio to Choose to Predict Outcome and Nature of Bacteremia? Mediators Inflamm. 2018 Jul 15;2018:3758068. doi: 10.1155/2018/3758068. eCollection 2018. — View Citation

Kim R. Anesthetic technique and cancer recurrence in oncologic surgery: unraveling the puzzle. Cancer Metastasis Rev. 2017 Mar;36(1):159-177. doi: 10.1007/s10555-016-9647-8. Review. — View Citation

Kim R. Effects of surgery and anesthetic choice on immunosuppression and cancer recurrence. J Transl Med. 2018 Jan 18;16(1):8. doi: 10.1186/s12967-018-1389-7. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The value of NLR and PLR ratio Primary aim is to assess the preoperative and postoperative values of inhalational anesthesia vs total intravenous anesthesia. Average 6 months, through study completion
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