Breast CancerNCT02185859
Effect of Perioperative Intravenous Lidocaine Infusion and Magnesium Infusion on the Functional Recovery After General Anesthesia in the Patients Undergoing Breast Mastectomy
A study testing Lidocaine, Magnesium Sulfate and Saline in people with Breast Cancer, run by Yonsei University at 1 site in South Korea.
Trial summary
Postsurgical pain is a relevant side effect following surgery which increases the risk of various complications and delays postoperative patient recovery. Among the many types of surgeries, mastectomy causes not only acute but also chronic pain in many patients. Read more about this study
- Who is it for?
- Ages 20 to 65 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Breast Cancer
- What is being tested?
- Lidocaine, Magnesium Sulfate and Saline
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 126 participants
- Where
- 1 siteSouth Korea
- Study dates
- Jul 2014to Sep 2015
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 20 to 65 years
- Women only
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- -Patients aged between 20 and 65 who have undergone mastectomy due to breast cancer and of American Society of Anesthesiologists (ASA) Physical Status Class 1 or Class 2
Who cannot join
- Patients experiencing pain for any cause or taking an analgesic
- Pregnant patients
- Patients with severe heart, kidney, or liver disease
- Patients with a psychiatric or neurological disorder
- Patients with a contraindication or allergic response to lidocaine
- Patients with a contraindication or allergic response to magnesium
Trial locations and contacts
1 site in 1 country.
South Korea1 site
Yonsei University, College of Medicine, Yonsei Health System, Yonsei Cancer Center
Seoul, Seoul, 120-752
About this study
Postsurgical pain is a relevant side effect following surgery which increases the risk of various complications and delays postoperative patient recovery. Among the many types of surgeries, mastectomy causes not only acute but also chronic pain in many patients. Therefore, it is important to control pain and increase patients' recovery satisfaction following many kinds of operations by using as small an opioid analgesic dose as possible and adding a nonopioid analgesic to reduce the side effects of narcotic analgesics. Among nonopioid analgesics, lidocaine and magnesium are drawing attention, having been shown to be helpful in controlling postoperative pain by lowering pain hypersensitivity to surgical stimuli. An intraoperative intravenous injection of lidocaine has been reported to improve postoperative pain control by reducing postoperative pain and opioid consumption. Another report showed that an intraoperative intravenous injection of lidocaine improved the quality of postoperative functional recovery after general anesthesia in a laparoscopic cholecystectomy patient. In addition, a review article on the effect of intraoperative intravenous injection of magnesium found it to be an effective analgesic that may be added to conventional opioid-based therapy because it generally reduces opioid consumption, decreases pain assessment for 24 hours after surgery, and lacks severe side effects in relation to magnesium administration. However, there has been insufficient research comparing the intraoperative intravenous injection of lidocaine or magnesium in terms of which is more helpful for general functional recovery and decreased postoperative pain. Recently, the scope of research on anesthesia has come to embrace postanesthetic recovery; to help patients return to daily life, the research trend is now shifting from the improvement or resolution of a specific symptom to the measurement of general recovery. A widely used method to measure postoperative recovery is the Quality of Recovery 40 (QoR-40) survey.
Therefore, in this study, the researchers investigated the intraoperative intravenous injection of lidocaine and the intravenous injection of magnesium to compare these drugs' helpfulness in the functional recovery of mastectomy patients after general anesthesia.
- Conditions
- Breast Cancer
- Being tested
- Lidocaine, Magnesium Sulfate, Saline
- Keywords
- Lidocaine, Magnesium, Mastectomy, Functional Recovery
- Medical subject headings
- Breast Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
LidocaineDrug
The lidocaine group (Group L)- 1% lidocaine 40 mL is prepared in a 50 mL syringe; A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room. (Group L subjects are administered lidocaine 2 mg/kg for 15 minutes immediately after the anesthesia induction, and then lidocaine 2 mg/kg/h is continuously injected. The dose of lidocaine and magnesium in this study has been shown in previous studies to be safe and to have an analgesic effect.)
Magnesium SulfateDrug
the magnesium group (Group M)- MgSO4 4g 40 mL is prepared in a 50 mL syringe.) A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room. The dose of magnesium in this study has been shown in previous studies to be safe and to have an analgesic effect.
SalineDrug
the control group (Group C) - 0.9% normal saline 40 mL is prepared in a 50 cc syringe. A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room.Group C subjects are administered the same dose of normal saline.
| Study group | Role | What they receive |
|---|---|---|
| Perioperative lidocaine infusion | Experimental | Not described Receives: Drug: Lidocaine |
| Perioperative magnesium infusion | Experimental | Not described Receives: Drug: Magnesium Sulfate |
| Noraml saline infusion | Active comparator | Not described Receives: Drug: Saline |
What is being measured
The primary outcome is the main question the study is designed to answer.
The difference of QoR-40 global scores
The investigators will evaluate the quality of recovery after general anesthesia by considering the global score (200 points in total) of QoR-40 surveys, which is obtained by summing the subtotal scores for emotional status, physical comfort, psychological support, physical independence, and pain. The QoR-40 administered 24 hours after the operation is the primary endpoint of this research.
Measured: 24 hours after mastectomy
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Jul 2014 (estimated)
- Study startJul 2014
- Primary completionSep 2015
- Study completionSep 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Breast CancerStudies of the same condition, open and under way.
- More trials run by Yonsei UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 126 participants (actual)
Sponsor and investigators
- Lead sponsor
- Yonsei University
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02185859
- Sponsor's protocol ID
- 4-2014-0375
- Status last verified
- Oct 2015
- First submitted
- 7 Jul 2014
- Last updated
- 19 Oct 2015
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 19 Oct 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effect of Perioperative Intravenous Lidocaine Infusion and Magnesium Infusion on the Functional Recovery After General Anesthesia in the Patients Undergoing Breast Mastectomy
- ClinicalTrials.gov ID
- NCT02185859
- Acronym / sponsor ID
- 4-2014-0375
- Conditions
- Breast Cancer
- Keywords
- Lidocaine, Magnesium, Mastectomy, Functional Recovery
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 126 participants (actual)
- Lead sponsor
- Yonsei UniversityUniversity, hospital or other
- Study start
- Jul 2014
- Primary completion
- Sep 2015 (actual)
- Study completion
- Sep 2015 (actual)
- First posted
- 10 Jul 2014 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Postsurgical pain is a relevant side effect following surgery which increases the risk of various complications and delays postoperative patient recovery. Among the many types of surgeries, mastectomy causes not only acute but also chronic pain in many patients. Therefore, it is important to control pain and increase patients' recovery satisfaction following many kinds of operations by using as small an opioid analgesic dose as possible and adding a nonopioid analgesic to reduce the side effects of narcotic analgesics. Among nonopioid analgesics, lidocaine and magnesium are drawing attention, having been shown to be helpful in controlling postoperative pain by lowering pain hypersensitivity to surgical stimuli. An intraoperative intravenous injection of lidocaine has been reported to improve postoperative pain control by reducing postoperative pain and opioid consumption. Another report showed that an intraoperative intravenous injection of lidocaine improved the quality of postoperative functional recovery after general anesthesia in a laparoscopic cholecystectomy patient. In addition, a review article on the effect of intraoperative intravenous injection of magnesium found it to be an effective analgesic that may be added to conventional opioid-based therapy because it generally reduces opioid consumption, decreases pain assessment for 24 hours after surgery, and lacks severe side effects in relation to magnesium administration. However, there has been insufficient research comparing the intraoperative intravenous injection of lidocaine or magnesium in terms of which is more helpful for general functional recovery and decreased postoperative pain. Recently, the scope of research on anesthesia has come to embrace postanesthetic recovery; to help patients return to daily life, the research trend is now shifting from the improvement or resolution of a specific symptom to the measurement of general recovery. A widely used method to measure postoperative recovery is the Quality of Recovery 40 (QoR-40) survey.
Therefore, in this study, the researchers investigated the intraoperative intravenous injection of lidocaine and the intravenous injection of magnesium to compare these drugs' helpfulness in the functional recovery of mastectomy patients after general anesthesia.
Study design
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Perioperative lidocaine infusion | Experimental | Drug: Lidocaine |
| Perioperative magnesium infusion | Experimental | Drug: Magnesium Sulfate |
| Noraml saline infusion | Active comparator | Drug: Saline |
Who may qualify
- Ages
- 20 to 65 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- -Patients aged between 20 and 65 who have undergone mastectomy due to breast cancer and of American Society of Anesthesiologists (ASA) Physical Status Class 1 or Class 2
Key exclusion criteria (6 listed)
- Patients experiencing pain for any cause or taking an analgesic
- Pregnant patients
- Patients with severe heart, kidney, or liver disease
- Patients with a psychiatric or neurological disorder
- Patients with a contraindication or allergic response to lidocaine
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| LidocaineThe lidocaine group (Group L)- 1% lidocaine 40 mL is prepared in a 50 mL syringe; A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room. (Group L subjects are administered lidocaine 2 mg/kg for 15 minutes immediately after the anesthesia induction, and then lidocaine 2 mg/kg/h is continuously injected. The dose of lidocaine and magnesium in this study has been shown in previous studies to be safe and to have an analgesic effect.) | Drug | Perioperative lidocaine infusion |
| Magnesium Sulfatethe magnesium group (Group M)- MgSO4 4g 40 mL is prepared in a 50 mL syringe.) A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room. The dose of magnesium in this study has been shown in previous studies to be safe and to have an analgesic effect. | Drug | Perioperative magnesium infusion |
| Salinethe control group (Group C) - 0.9% normal saline 40 mL is prepared in a 50 cc syringe. A bolus dose of the studied drugs are administered for 15 minutes immediately after a subject is brought into the operating room, and the vital signs are checked (from the beginning of anesthesia induction). Subsequently, an intravenous injection of the maintenance dose is continuously performed and later stopped just before transferring the subject to a recovery room.Group C subjects are administered the same dose of normal saline. | Drug | Noraml saline infusion |
Primary outcome
The difference of QoR-40 global scores
Time frame: 24 hours after mastectomy
The investigators will evaluate the quality of recovery after general anesthesia by considering the global score (200 points in total) of QoR-40 surveys, which is obtained by summing the subtotal scores for emotional status, physical comfort, psychological support, physical independence, and pain. The QoR-40 administered 24 hours after the operation is the primary endpoint of this research.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Oct 2015.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Lidocaine, Magnesium Sulfate and Saline in people with Breast Cancer, run by Yonsei University at 1 site in South Korea.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 19 Oct 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
The difference of QoR-40 global scores (time frame: 24 hours after mastectomy). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Oct 2015.