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The goal of this clinical trial is to investigate the effects of combined use of Naldebain® ER Injection and Precedex® in patients received video-assisted thoracoscopic surgery. The main questions it aims to answer are:
If there is a comparison group: Researchers will compare experimental group with placebo group to see if pain and dizziness after surgery can reduced.
Full description
Ⅰ.Protocol title: To investigate the effects of combined use of Naldebain® ER Injection and Precedex® after video-assisted thoracoscopic surgery
Ⅱ.Objectives: Video-assisted thoracoscopic surgery (VATS) is currently the mainstream of thoracic surgery, but it may also cause stronger postoperative pain than expected. Therefore, pain control after thoracoscopic surgery is very important, because increased acute pain will increase the incidence of chronic pain, and untreated pain may lead to increased postoperative complications. At present, the combined use of regional nerve block, opioids, and non-steroidal anti-inflammatory drugs is the current mainstream strategy for multimodal analgesia after thoracoscopic surgery.
Paravertebral block (PVB) involves injecting a local anesthetic into the paravertebral wedge-shaped space as it emerges from the intervertebral foramen. It produces an ipsilateral somatosensory and sympathetic block, and has good analgesic effects on anesthesia and unilaterally induced pain from the chest and abdomen. So far, thoracic paravertebral block (TPVB) is considered the best alternative to thoracic epidural analgesia because it can provide effective immediate postoperative analgesic effect in patients undergoing VATS.
Naldebain® ER Injection is a long-acting prodrug of Nalbuphine, aimed at addressing the medical need for long-acting analgesics. It is an agonist-antagonist of synthetic phenanthrene series opioids. It is chemically related to the widely used opioid antagonist naloxone and the potent opioid pain reliever oxymorphone. At present, nalbuphine sebacate has been used in many surgical procedures to relieve postoperative pain.
Precedex® injection (dexmedetomidine hydrochloride), a centrally acting α2-receptor agonist, has the same sedative effects as other benzodiazepine drugs. However, due to the different pharmacological mechanisms, there are no side effects such as respiratory depression and delirium. In addition, according to Venn et al. in 2000, when 33 postoperative patients were using respirators in the intensive care unit, they found that the use of dexmedetomidine could reduce the use of morphine by 50%, thereby reducing the possible side effects of opioids and as a good adjuvant drug for pain relief.
In view of the fact that patients undergo thoracoscopic surgery, good analgesic function is crucial for the recovery of postoperative pulmonary function. Therefore, the purpose of this study is to investigate the application effect of the multimodal analgesic formula combined with thoracic paravertebral nerve block, Naldebain® ER Injection and Precedex® injection after VATS.
III. Study design 1. ☑ Control: ☑ placebo
active (please specify name and dosage)
others
Uncontrolled 2. Blinding: □ open-label □ single blind ☑ double blind □ others 3. Randomized: ☑ yes □ no 4. ☑ Parallel □ cross-over □ others 5. Duration of study：from IRB approval ~to 2025 , 12 , 31 ,total 24 months Duration of Enrollment : from IRB approval ~to 2025 , 12 , 31 ,total 24 months Duration of treatment：from IRB approval ~to 2025 , 12, 31 ,total 24 months Duration of follow-up: from IRB approval ~to 2025 , 12 , 31 ,total 24 months
Multi-national □multi-center(Taiwan) ☑single center(Taiwan) 6. Number of subjects: 70 7. Is there any of the followings included DSMB, Data Safety Monitoring Board:
yes ☑ no IV. Assessment criteria
Efficacy:
It can effectively reduce the expected moderate and severe acute pain after surgery, and reduce the degree and incidence of side effects of analgesic drugs.
Safety:
Side Effects: Hypotension, hypertension, nausea, bradycardia, fever, vomiting, tissue hypoxia, tachycardia, and anemia.
Contraindications: Dexmedetomidine Hydrochloride is contraindicated in patients who are known to be allergic to the components of Dexmedetomidine.
Precautions: 1. For patients with severe heart block and/or severe ventricular insufficiency, it should be used with caution. Since Precedex reduces the activity of sympathetic nerves, it can be expected that the effect of hypotension and/or bradycardia may be more pronounced in patients with low blood volume, diabetes or chronic hypertension, and elderly patients. 2. When it is necessary to use other vasodilators or drugs that lower the heart rate (negative chronotropic agents), administering Precedex at the same time may have a drug effect and should be used with caution.
Overdose: Discontinue immediately. Oxygen, intravenous drips, vasoconstrictors, and other supportive therapies may be used as needed.
V. Selection criteria
The basic characteristics of the two groups of patients are presented with descriptive statistics. All results are expressed as mean ± standard deviation (SD) or applicable percentage. The differences between the groups were analyzed using ANOVA (one-way analysis of variance), and then paired comparisons were made with the post-event Student-Newman-Keuls-Test. The classified data is analyzed using X2 or Fisher's exact test. P value less than 0.05 is considered to be a significant difference.
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70 participants in 2 patient groups, including a placebo group
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Central trial contact
Hung-Te Hsu, MD, PhD
Data sourced from clinicaltrials.gov
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