Condition
Analgesia clinical trials and research
As of November 12, 2026, Find a Trial lists 57 Analgesia clinical trials that are recruiting, at sites in 21 countries (most in Egypt (13), United States (10), Turkey (Türkiye) (8)). 1 was first registered in the last 30 days. By phase: Phase 4 (7), Phase 2 (1), Early Phase 1 (1), Phase 3 (1). The most active sponsors are Tanta University (4), Insel Gruppe AG, University Hospital Bern (3), Kafrelsheikh University (2). There are also 42 NIH-funded research projects on Analgesia, with $23.2 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 57Clinical trials
- 42NIH research projects
- 1New in 30 days
- 21Countries
Newest Analgesia clinical trials
All recruiting trials (57)
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Anterior Knee Nerves Block vs Femoral Nerve Block for Knee Arthroscopy
This trial tests whether an anterior nerves of the knee (ANK) block provides similar pain relief to a femoral nerve block after knee arthroscopy in adults, aiming to reduce quadriceps weakness.
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Esmolol vs Dexmedetomidine for opioid-sparing in laparoscopic gynecologic surgery
This study tests whether low-dose esmolol or dexmedetomidine, given during surgery, reduces opioid use and improves pain control after laparoscopic hysterectomy compared with placebo.
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Three nerve blocks for knee replacement: which one works best
This trial tests three different nerve blocks used during knee replacement to see which provides the best pain relief for patients after surgery.
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Rectointercostal plane block to reduce pain after laparoscopic gallbladder removal
This study tests whether giving a rectointercostal block during laparoscopic cholecystectomy can lower postoperative pain for patients without changing general anesthesia.
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STIL block versus RIB with sub-serratus plane block for pain relief after pediatric chest surgery
This study tests whether the STIL plane block provides comparable or better pain relief than the combination of RIB and sub-serratus plane block in children after thoracotomy.
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SPSIP Block to Help Pain After Breast Reduction Surgery
A randomized trial tests whether adding an ultrasound-guided SPSIP block can lower opioid use in the first 24 hours after bilateral breast reduction surgery.
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Perineural Catheter for Hindfoot Surgery Pain Control
This study tests whether a continuous perineural catheter delivering local anesthetic after hindfoot surgery helps with pain more than standard care.
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Analgesia after total hip replacement using SA-QLB vs PENG block
This study tests whether the SA-QLB or the PENG block provides better pain relief for adults having a total hip replacement.
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Pain relief for high-risk children after anorectal and penile surgery using a targeted nerve block
This study tests whether ultrasound-guided sacral multifidus plane blocks can provide safe, effective pain relief for high-risk pediatric patients undergoing anorectal and penile surgeries.
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Opioid-free versus opioid-based anesthesia for children having cleft lip or palate repair
This will test whether opioid-free anesthesia can control pain and reduce emergence agitation in children undergoing cleft lip or palate repairs.
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Scalp nerve blocks plus dexmedetomidine to reduce opioids after brain tumor surgery
This trial tests whether scalp nerve blocks and/or dexmedetomidine can reduce opioid needs and help prevent delirium after supratentorial brain tumor surgery.
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Intrathecal versus epidural morphine for pain after cesarean delivery
This test will compare a single intrathecal morphine shot versus epidural morphine for controlling pain in women having elective cesarean delivery.
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One preoperative dose of paracetamol or ibuprofen to reduce opioids during and after septorhinoplasty
This project will test whether giving one dose of paracetamol or ibuprofen before septorhinoplasty cuts down opioid use during and after surgery.
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Single-dose IV magnesium sulfate to reduce pain after laparoscopic gallbladder removal
We will try a single IV dose of magnesium sulfate to see if adults having elective laparoscopic gallbladder removal need less morphine after surgery.
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Sedation and pain control for adults with fractures and dislocations in the emergency department
This project will try different sedation and pain-control methods to see which gives adults the best pain relief and satisfaction during emergency-room reductions of fractures or dislocations.
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Using a number-based pain score plus a simple activity score to guide rescue pain medicine after surgery
This project will test whether using a combined numerical pain score and a simple Functional Activity Score to decide when to give rescue pain medicine helps adults recover after surgery.
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IV pain medicine, thoracic epidural, and erector spinae plane block for long-term pain after open-heart surgery
This study will compare three common pain-control approaches—IV pain medicines, thoracic epidural, and erector spinae plane block—to see if one lowers chronic pain three months after open-heart surgery.
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Perioperative high-dose nicotine patch for pain sensitivity in male smokers undergoing thoracic surgery
We will try a high-dose nicotine patch around the time of surgery to see if it reduces pain sensitivity in adult male smokers having thoracoscopic lung surgery.
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Adding an anterior capsular block to a steroid injection for frozen shoulder pain
This test will see if adding an anterior capsular block to an intraarticular steroid injection gives better and longer pain relief for people aged 41–65 with adhesive capsulitis.
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NeuroCuple for pain after cesarean delivery
This study will test whether the NeuroCuple non-drug wearable device can reduce pain and opioid use in women having cesarean delivery.
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Comparing shoulder nerve blocks to see effects on diaphragm movement and pain after arthroscopic shoulder surgery
We will see if three types of ultrasound-guided nerve blocks (interscalene, suprascapular, and anterior glenoid) reduce pain and change diaphragmatic movement in adults having elective arthroscopic shoulder surgery.
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Continuous erector spinae versus edge of laminar block for pain relief and breathing after multiple rib fractures
This will test whether a continuous erector spinae block or a continuous edge of laminar block provides better pain relief and preserves diaphragmatic movement in adults with unilateral multiple rib fractures.
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Dual-chamber patient-controlled pain relief after laparoscopic sleeve gastrectomy
This test checks whether a dual-chamber IV patient-controlled pump delivering fentanyl plus ketorolac reduces pain and postoperative nausea and vomiting in adults having laparoscopic sleeve gastrectomy.
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Co-designed pain and sedation protocol for adults on ECMO
This project will test a co-designed pain and sedation plan to see if it's acceptable for adults receiving ECMO and similar ventilated ICU patients.
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Comparing two methods for pain relief after minimally invasive heart surgery
This study is testing two different ways to relieve pain after minimally invasive heart surgery to see which one helps patients feel better and use fewer pain medications.
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Adductor canal plus IPACK block versus adductor canal block alone for pain control after HTO/DFO/TTO
This study tests whether adding an IPACK block to an adductor canal block reduces postoperative pain and opioid use in adults having high tibial, distal femoral, or tibial tubercle osteotomy.
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Ultrasound-guided auricularis magnus nerve block to reduce pain after middle ear surgery
This study will test whether an ultrasound-guided auricularis magnus nerve block reduces postoperative pain and bleeding in adults having middle ear surgery.
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Combining two methods for pain relief after knee surgery
This study is testing if using a combination of a nerve block and a medication can help people feel less pain after knee surgery.
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Comparing two types of nerve blocks for pain relief after knee surgery
This study is testing which of two types of nerve blocks helps adults feel less pain and recover better after knee surgery.
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Survey on Parents' Understanding of Pediatric Sedation
This study is trying to understand what parents know and feel about sedation for their kids during medical procedures to improve communication and support from healthcare providers.
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Blocking nerves during gallbladder surgery to reduce pain and nausea
This study is testing if using a combination of a long-lasting pain medicine and a steroid during gallbladder surgery can help reduce pain and nausea for patients after the operation.
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Ultrasound-guided pain relief for heart procedures
This study is testing if using ultrasound to guide a specific pain relief technique can make heart procedures more comfortable for patients.
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Using Exparel to control pain after MPFL reconstruction in kids
This study sees if adding Exparel to standard local anesthesia reduces post-op pain and opioid pill use in patients aged 13 and older having an isolated MPFL reconstruction.
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Using Vitamin B Complex for Pain Relief After Cesarean Section
This study is testing if adding vitamin B complex to standard pain relief methods can help women recover better after a cesarean section while reducing the need for opioids.
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ESPB versus PIFB for pain control after open-heart (sternotomy) surgery
We will test whether an erector spinae plane block (ESPB) or a pecto‑intercostal fascial plane block (PIFB) gives better pain relief and recovery for adults having their first open‑heart (sternotomy) surgery.
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Comparing nerve block and morphine for pain relief after hip surgery
This study tests whether a nerve block can provide the same pain relief as morphine for people recovering from hip surgery.
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Nebulized Fentanyl for Pain Relief in Healthy Adults
This study tests if using a nebulizer to deliver fentanyl can safely and comfortably relieve pain in healthy adults without needing needles.
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Using Manuka honey to relieve pain after tonsil surgery
This study is testing if Manuka honey can help adults feel less pain after tonsil surgery compared to a placebo while they also receive standard pain relief.
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Using TENS units to reduce pain during IUD insertion
This study is testing if using TENS units can help reduce pain for women aged 12 to 50 during IUD insertion.
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Comparing high and low dose pain relief methods after heart valve surgery
This study is testing whether a high or low dose of a new pain relief method can help patients after heart valve surgery feel less pain and use fewer opioids.
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Comparing low-dose buccal buprenorphine to standard opioids for pain relief and abuse potential
This study is testing if a low-dose form of buprenorphine can relieve pain and has less potential for abuse compared to the standard opioid oxycodone, using healthy volunteers.
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Using remote guidance to improve regional anesthesia training
This study tests whether using real-time remote guidance from expert anesthesiologists can help train doctors in ultrasound-guided regional anesthesia techniques to improve patient safety and satisfaction.
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Examining pain relief mechanisms after lumbar nerve blocks
This study is testing how well lumbar nerve blocks can relieve chronic low back pain and how the body's nervous system affects that relief in patients who are about to receive the treatment.
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Pain relief for patients undergoing jaw surgery
This study is testing if nerve blocks can help reduce pain for patients having jaw surgery, especially those with jaw fractures, during their recovery.
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Comparing Dexmedetomidine and Magnesium Sulphate for Pain Relief After Thoracotomy
This study is testing whether adding dexmedetomidine or magnesium to a common pain medication can help people feel less pain after thoracotomy surgery.
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Comparing dexmedetomidine and dexamethasone for pain relief in thyroid surgery
This study is testing whether adding dexmedetomidine or dexamethasone to a pain relief shot helps people having thyroid surgery feel less pain and recover faster.
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Using ear stimulation to treat chronic pain and opioid withdrawal
This study is testing whether a device that stimulates nerves around the ear can help people with chronic pain and those going through opioid withdrawal feel better.
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Dose of bupivacaine needed for pain relief in labor with lidocaine test dose
This trial tests the amount of bupivacaine needed to give initial comfortable pain relief for laboring women who receive a lidocaine test dose before an epidural.
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Testing a new method to relieve pain using nerve stimulation and naloxone
This study is testing a new way to relieve pain using nerve stimulation and a medication called naloxone to see if it helps people feel better without relying on opioids.
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Comparing pain relief methods during breast surgery
This study is testing different ways to relieve pain during breast surgery for cancer patients to see which method works best.
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Comparing two methods for surfactant administration in preterm infants
This study is testing a new way to give surfactant to preterm infants with breathing problems to see if it helps them breathe better and feel less pain compared to the usual method.
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Using electrical stimulation to manage pain after cesarean delivery
This study is testing if a device that uses electrical stimulation can help women manage pain after having a cesarean delivery better than a placebo.
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Serratus plane block to reduce pain during pleural drainage in the ICU.
This study will test whether a serratus plane nerve block with lidocaine reduces pain for awake adults in the ICU who need pleural drainage.
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Analyzing patient outcomes after bariatric surgery
This study looks at how patients feel and recover after bariatric surgery to see if certain factors can predict their pain and quality of life in the years following the procedure.
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Analyzing genetic factors affecting pain after surgery
This study is trying to see if certain genes can help explain why some people have more pain after surgery than others, to improve pain management for those patients.
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Using music to reduce anxiety and pain during surgery
This study tests if listening to music can help reduce anxiety and pain for people having surgery.
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Analyzing genetic factors affecting surgery outcomes
This study is trying to see how genetic differences might affect the recovery and complications people experience after elective surgery.
NIH-funded research (newest 40 of 42)
Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.
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Immune and nerve signals behind acupuncture relief for sickle cell pain
This NIH grant explores how acupuncture helps reduce pain and opioid use for people with sickle cell disease.
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Personalized pain prevention around surgery
This project tests ways to tailor pain-prevention treatments for people having surgery to reduce the chance of long-lasting post-surgical pain.
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Pain sensitivity, alcohol analgesia, and heavy drinking in people with opioid use disorder
A short, patient-friendly look at how pain sensitivity and alcohol’s pain-relieving effects might influence heavy drinking in people with opioid use disorder.
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Long-term activation of the body's own pain-relief system in the spinal cord and brainstem
A study at the University of Pittsburgh will test how the body's natural opioid system can stay active for a long time after pain or opioid exposure, with potential implications for better pain control.
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Personalized perioperative pain prevention for high-risk patients
A research program at Stanford is exploring why some people have long-lasting pain after surgery and how to prevent it in patients who are most at risk.
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Sickle Cell Disease Pain Analgesia and Integrative Network for Better Pain Care
A national network is being built to better understand and manage pain in adults with sickle cell disease using integrative, whole-health approaches.
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Weighting real-world data to understand opioid tapering outcomes in people with chronic pain and substance use disorders
A real-world study will create and test statistical weights to better understand how tapering opioids works for patients who have chronic pain and substance use disorders.
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Targeting peripheral pain signals with DOR-KOR heteromer activating drugs
A study to find small drug-like molecules that selectively turn on a specific peripheral pain target (DOR-KOR heteromer) to stop pain without the dangerous brain-side effects of typical opioids.
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Opioid tapering outcomes for people with chronic pain and substance use disorder
Using medical records from many hospitals, this project looks at what happens when opioids are reduced for people who have chronic pain and also a substance use disorder.
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Targeted degradation of Nav1.8 for pain relief
A new, targeted approach aims to reduce Nav1.8 channels in nerves to relieve chronic pain in patients, with a focus on Veterans who often struggle with painful conditions.
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Targeting OPRM1 exon 7 variants to reduce opioid side effects without reducing pain relief
Aims to block certain gene variants that cause side effects from common opioid meds while keeping their pain relief.
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Hypocretin blocker approach to safer opioid relief
A study exploring a new way to give strong pain relief with opioids while lowering the risk of addiction by targeting hypocretin signals.
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Stem cell protein MIF to reduce tooth and facial pain
This project tests whether a protein released by dental stem cells (MIF) can calm nerve signals and reduce tooth‑related facial pain for people with infected teeth (apical periodontitis).
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Long-lasting, non-addictive implant for pain after surgery
This project offers a one-time injectable implant that slowly releases a local anesthetic to help people recovering from oral and facial surgery have longer-lasting, non‑addictive pain relief.
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Investigating new targets to reduce side effects of pain medications without affecting pain relief
This study is looking at how certain genetic differences can help make pain medications like fentanyl and oxycodone safer by reducing side effects and the risk of addiction, which could lead to better pain relief options for patients in the future.
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Sickle cell pain integrative care network
This project will build a network to create and share integrative, whole‑health approaches to help reduce pain and opioid use in adults with sickle cell disease.
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Steroid-like anesthetics to reduce pain after surgery
Developing steroid-like anesthetic medicines that target nerve calcium channels to relieve pain for people recovering from surgery.
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Investigating how sleep disruption affects pain relief and opioid use risk.
This study is looking at how trouble sleeping might lead to more pain and problems with using pain medications, and it's for people who want to understand how their sleep affects their pain and medication use.
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Finding New Ways to Relieve Pain Without Addiction
This work looks for new pain relief medicines that target specific pain-sensing nerves in the body, aiming to avoid the dangerous side effects of current opioid drugs.
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Understanding the body's natural pain relief system
This research explores how our body's natural pain-fighting chemicals work in a specific brain area to help manage chronic pain.
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Improving Nerve Stimulation for Chronic Pain Relief
This work aims to create a smart system that can automatically adjust nerve stimulation to better relieve chronic pain.
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A new implant for long-lasting pain relief without addiction
This study is testing a new implant that can provide pain relief directly where you had surgery, helping to manage your pain for up to a week without relying on traditional painkillers, which can be addictive, especially for patients having oral facial surgery.
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Using hypocretin antagonism to manage pain and reduce addiction risk
This study is exploring a new way to help people with severe pain using opioids while trying to reduce the chances of becoming addicted, by looking at how certain brain cells called hypocretin neurons affect pain and addiction.
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Understanding how pain and breathing are connected in the brain
This study is looking at how pain and breathing affect each other, especially when using opioids for pain relief, and aims to find safer ways to manage pain without making it hard to breathe.
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Understanding how brain circuits affect pain relief and addiction from opioids
This study is looking at how certain brain pathways affect the pain relief and addictive qualities of opioids, using mice to help find ways to manage pain better without the risk of becoming addicted.
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Understanding how the brain processes pain and natural pain relief
This study is looking at how our brains handle pain and how our bodies can help ease it, with the goal of finding new, safer ways to manage pain without using opioids.
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Investigating how a specific factor from stem cells can reduce dental pain.
This study is looking at how special stem cells from teeth might help reduce dental pain caused by infections, and it's for anyone suffering from tooth pain who wants to know if new treatments could make a difference.
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How the body's natural pain relief system affects pain management
This study is looking at how the body's natural painkillers work in a part of the brain that helps control pain, with the hope of finding better ways to manage pain for people dealing with chronic pain after nerve injuries.
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Understanding how the brain's opioid circuits affect pain and pain relief.
This study is looking at how certain brain circuits help us feel and manage pain, especially for people with chronic pain, to find new ways to relieve pain without relying on opioids.
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Creating a network to improve pain management in sickle cell disease
This study is all about helping people with sickle cell disease by finding better ways to understand and manage their pain, bringing together experts and community members to work on new solutions that can improve their daily lives.
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Understanding how alcohol affects pain relief in mice
This study is looking at how certain genes in mice affect the way alcohol can help relieve pain, which could give us insights into how alcohol might be used for pain management in people.
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Creating a system to help doctors use regional anesthesia for hip fracture pain without opioids
This study is working on a new ultrasound tool to help doctors give better pain relief to patients with hip fractures, making it easier for them to find the right spots to inject anesthesia and reducing the need for strong pain medications.
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Finding new ways to relieve pain without dangerous side effects
This study is exploring new ways to relieve pain without the harmful side effects of opioids, aiming to find safer treatments that work directly on the nerves that sense pain, so people can feel better without the risk of addiction.
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Understanding and preventing persistent pain after surgery
This study is looking into why some people have ongoing pain after surgery while others don’t, and it aims to find ways to help prevent that long-lasting pain so everyone can recover better.
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Understanding how stress affects pain relief mechanisms in the brain
This study is looking at how stress affects the brain's ability to manage pain, especially for people dealing with chronic pain and stress, to help find better treatments for them.
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Using electrical stimulation to improve pain management
This study is exploring a new way to help people with chronic pain by using a special device that sends electrical signals to nerves, adjusting the treatment based on how your body responds, so you can get better relief with fewer side effects from medications.
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Improving sedation and pain management for critically ill children
This study is looking at how to give the right amount of medicine to help kids feel less pain and anxiety during tough medical procedures, so they can recover better and stay safe while getting the care they need.
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Gene therapy to reduce chronic pain without opioids
This study is exploring a new gene therapy that aims to help people with chronic knee pain by delivering a special gene to nerve cells, which could provide lasting relief similar to strong pain medications but without the risks of opioids.
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Investigating how repeated CBD use affects cannabis addiction and pain relief
This study is looking at how different amounts of CBD can affect the experience of smoking cannabis and help with pain relief for healthy adults who already use cannabis.
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Investigating how a brain circuit affects anesthesia and pain relief
This study is looking at how a part of the brain that helps control sleep and wakefulness can be used to make anesthesia safer and more comfortable, especially by finding ways to help people recover better and feel less pain after surgery.
Related topics
Quick answers
How many Analgesia clinical trials are recruiting right now?
57, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 21 countries. The most sites are in Egypt (13 trials), United States (10 trials), Turkey (Türkiye) (8 trials), Switzerland (4 trials), France (3 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 7, Phase 2: 1, Early Phase 1: 1, Phase 3: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.