| Not Yet Recruiting | Comparative Study Between Spinal Anesthesia Versus General Anesthesia in Supine Percutaneous Nephrolithotomy O NCT07114250 | Tanta University | N/A |
| Not Yet Recruiting | Effect of Anterior Iliac Block on Postoperative Analgesia and Patient Satisfaction in Inguinal Hernia Repair S NCT07533383 | Sanliurfa Mehmet Akif Inan Education and Research Hospital | N/A |
| Not Yet Recruiting | The Effect of Preoperative Anxiety Level on Vasovagal Events During Spinal Anesthesia and the Incidence of Vas NCT07450014 | Sanliurfa Mehmet Akif Inan Education and Research Hospital | — |
| Not Yet Recruiting | Effects of High Flow Humidified Oxygen on Umbilical Artery Acid-base Balance in Cesarean Section Under Spinal NCT07515716 | Yonsei University | N/A |
| Recruiting | Predicting Spinal Hypotension in Cesarean Section NCT07499947 | TC Erciyes University | — |
| Not Yet Recruiting | Effect of Patient Position on Bupivacaine Dose Requirement and Hemodynamic Stability in Spinal Anesthesia NCT07376798 | University of Health Sciences Balikesir Hospital Eduation and Research | N/A |
| Recruiting | Effect of Delivery Time on Umbilical Cord Blood Gas Parameters in Cesarean Sections Under General and Spinal A NCT07321041 | Sisli Hamidiye Etfal Training and Research Hospital | — |
| Completed | Regional Anesthesia in Ambulatory Endovenous Ablation Surgery NCT07297082 | Ankara Etlik City Hospital | N/A |
| Recruiting | Skin Conductance for Predicting Spinal Anesthesia-Induced Hypotension in Geriatric Urologic Oncology Patients NCT07481851 | Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital | — |
| Recruiting | Femoral Vein Diameter to Predict Intraoperative Hypotension in Geriatric Patients Undergoing Orthopedic Surger NCT07339475 | Cairo University | — |
| Completed | Upper Extremity Position and Intraocular Pressure During Spinal Anesthesia NCT07424417 | Elazıg Fethi Sekin Sehir Hastanesi | N/A |
| Recruiting | Machine Learning for Predicting Spinal Anesthesia Duration NCT07256548 | Kocaeli City Hospital | — |
| Recruiting | Intrathecal Dexmedetomidine-Fentanyl Combination Versus Fentanyl Alone as Adjuvant to Bupivacaine in Spinal An NCT07276867 | National Cancer Institute, Egypt | N/A |
| Recruiting | Preoperative Shock Indexes and Post-Spinal Hypotension in Cesarean Surgery NCT07500519 | Marmara University | — |
| Not Yet Recruiting | D-FAB-POUR Trial: Dexmedetomidine vs Fentanyl as Adjuvants to Bupivacaine on Postoperative Urinary Retention NCT07117565 | Tribhuvan University Teaching Hospital, Institute Of Medicine. | Phase 4 |
| Completed | Frontal QRS Axis Changes in Patients Undergoing Total Knee Arthroplasty With Spinal Anesthesia (FQRS-TKA) NCT07112313 | Sevim Şenol Karataş | — |
| Recruiting | Dexamethasone in Prolonging the Duration of Spinal Anesthesia Among Pregnant Patients NCT07088146 | Rawalpindi Medical College | Phase 4 |
| Recruiting | General Anesthesia Versus Spinal Anesthesia With Local Anesthetic Infiltration for Buccal Mucosal Graft in Ure NCT07074730 | Tanta University | N/A |
| Not Yet Recruiting | Ultrasound-Guided PENG Block vs Femoral Nerve Block for Analgesia Before Spinal Anesthesia in Hip Fracture Sur NCT06989047 | Ain Shams University | N/A |
| Completed | Comparison of Hemodynamic Effects of Hypobaric and Hyperbaric Bupivacaine in Spinal Anesthesia in Geriatric Pa NCT06972485 | Eskisehir Osmangazi University | N/A |
| Recruiting | Frequency of Occurrence and Risk Factors of Postoperative Nausea and Vomiting During Elective C-section Under NCT06927830 | University of Liege | — |
| Completed | The Impact of Ultrasound-Guided Spinal Anesthesia NCT07327801 | Military Hospital of Tunis | N/A |
| Completed | Does Intralipid Infusion Can Reverse the Spinal Anesthesia Effect in Day Case Surgery? NCT07025343 | Benha University | N/A |
| Recruiting | Effect of Music Listened During Knee Arthroplasty With Spinal Anesthesia on Anxiety, Pain and Cortisol Levels NCT06729294 | Nuh Naci Yazgan University | N/A |
| Not Yet Recruiting | Age-Based and Weight-Based Bupivacaine Dosing for Pediatric Spinal Anesthesia for Elective Infra-Umbilical Sur NCT06801600 | Cairo University | Phase 4 |
| Completed | Impact of Real-Time Ultrasound-Guided Spinal Anesthesia Versus Landmark-Guided Spinal Anesthesia on Anesthesia NCT06656793 | Tongji Hospital | — |
| Not Yet Recruiting | Frailty and Spinal Anesthesia-Induced Hypotension in Elderly NCT06757439 | Selcuk University | — |
| Completed | Comparison of Haloperidol and Ondansetron in Reducing Postoperative Nausea and Vomiting in RA-SAB Patients NCT07087925 | Rully Riyandika | N/A |
| Completed | Ephedrine Versus Phenylephrine for Spinal Block - Related Hypotension in Cesarean Delivery NCT06741410 | Centre of Postgraduate Medical Education | — |
| Completed | Magnesium vs. Dexmedetomidine in TURBT Under Spinal Anesthesia NCT07445451 | Dr. Lutfi Kirdar Kartal Training and Research Hospital | N/A |
| Recruiting | Effect of Preemptive Education on the Incidence of Maternal Intraoperative Shivering in Elective Cesarean Deli NCT06708169 | Seoul National University Hospital | N/A |
| Not Yet Recruiting | Comparison of the Efficacy of Conventional Landmark, Ultrasound-Assisted, and Real-Time Ultrasound-Guided Tech NCT06191445 | Uludag University | N/A |
| Recruiting | Ultrasound Evaluation of Two Anatomic Landmarks in Spinal Anesthesia for Cesarean Section: the Posterior Super NCT06711601 | The Third Affiliated Hospital of Guangzhou Medical University | — |
| Completed | Hyperbaric Prilocaine 2% vs Hyperbaric Bupivacaine 0.5% in Caesarean Section NCT06680167 | Sohag University | EARLY_Phase 1 |
| Completed | Spinal Anesthesia by Hyperbaric Prilocaine in Day-Case Perianal Surgery NCT06600048 | Tanta University | N/A |
| Not Yet Recruiting | Effect of Spinal Needle Type on Optic Nerve Sheath Diameter NCT06497634 | Bagcilar Training and Research Hospital | N/A |
| Not Yet Recruiting | Informative Video to Alleviate Anxiety and Improve Satisfaction in Elective Caesarean Section NCT06545019 | University of Malaya | N/A |
| Not Yet Recruiting | 10 Vs.15 mcg Norepinephrine Bolus in Severe Maternal Hypotension During Cesarean Delivery NCT06512415 | Cairo University | N/A |
| Not Yet Recruiting | The Effect of Spinal Column Flexion on Unilaterality of Spinal Anesthesia NCT06293404 | Ankara City Hospital Bilkent | N/A |
| Completed | Different Local Anesthetic Volumes for Unilateral Spinal Anesthesia NCT06527430 | Ankara Etlik City Hospital | N/A |
| Not Yet Recruiting | Seniors' Intraoperative Management Under Locoregional Anesthesia Integrating Virtual Reality NCT06515873 | Ciusss de L'Est de l'Île de Montréal | N/A |
| Unknown | Comparison of Spinal Anesthesia and Spermatic Cord Block for Bilateral Orchiectomy NCT06313775 | Sanpasitthiprasong Hospital | N/A |
| Completed | Ultrasound Guided Fluid Loading Before Spinal Anesthesia NCT07108881 | University Tunis El Manar | Phase 4 |
| Recruiting | Ultrasound Guided Midline vs Landmark Paramedian Continous Spinal Anesthesia in the Elderly NCT06740994 | University Tunis El Manar | N/A |
| Recruiting | Spinal and General Anesthesia in Neonates Undergoing Herniorrhaphy NCT06352606 | Tanta University | N/A |
| Unknown | Predictability of ANI (Analgesia Nociception Index) for Spinal Hypotension NCT06327165 | Yonsei University | — |
| Unknown | Evaluation of Mitochondrial Enzyme Activity in Cesarean Section Patients NCT06206928 | Sanliurfa Mehmet Akif Inan Education and Research Hospital | — |
| Completed | Peripheral Nerve Blocks vs Selective Spinal Anesthesia in Patients With Femur Fracture NCT06155903 | Federico II University | N/A |
| Recruiting | Dexamethasone Versus Magnesium Sulphate as an Adjuvant to Bupivacaine in Ultrasound Guided Erector Spinae Plan NCT07139522 | Cairo University | N/A |
| Completed | Intravenous Dexamethasone for Prolonging Sensory Block in Spinal Anesthesia NCT07088432 | Tunis University | N/A |
| Completed | Comparison of Unilateral Spinal Anesthesia and Nerve Block in Hip Fractures NCT07272226 | Bursa Yuksek Ihtisas Training and Research Hospital | N/A |
| Unknown | Comparison of Hemodynamic Effect Between the Spinal Anesthesia and Saddle Block Using Levobupivacaine During T NCT06014957 | New Valley University | N/A |
| Completed | Peri-Capsular Nerve Group and Supra Inguinal Fascia Iliaca BLOCK for Analgesia and Ease of Positioning During NCT05987254 | Al-Azhar University | N/A |
| Completed | Combined General and Spinal Anesthesia Compared to General Anesthesia During Laparoscopic Surgery : a Randomis NCT06892600 | Indonesia University | N/A |
| Unknown | The Effect of Remimazolam and Dexmedetomidine on the Incidence of Hypotension During Spinal Anesthesia NCT05935657 | Pusan National University Yangsan Hospital | N/A |
| Completed | Prophylactic Perioperative Infusion of Ephedrine Versus Noradrenaline in Patients Undergoing Cesarean Delivery NCT07067944 | Tanta University | N/A |
| Completed | The Effect of Local Dry Heat Applıcatıon and Half Shower on The Development of Urinary Retentıon and Paın NCT05580289 | Duzce University | N/A |
| Completed | Comparison of Remimazolam and Midazolam for Preventing Intraoperative Nausea and Vomiting During Cesarean Sect NCT05736341 | Yonsei University | N/A |
| Completed | Preemptive Oral Gabapentin and Tramadol on Postoperative Pain After Knee Arthroscopy NCT06112223 | Tanta University | N/A |
| Unknown | Cardiovascular Effects of Intrathecal Hyperbaric Prilocaine or Bupivacaine in Surgery Under Spinal Anesthesia NCT05751148 | Centre Hospitalier Universitaire Saint Pierre | N/A |
| Recruiting | Evaluating the Effect of Intravenous Dexamethasone on the Duration of Spinal Anesthesia After Cesarean Deliver NCT05731960 | IWK Health Centre | Phase 4 |
| Unknown | Anesthesia Technique in COVID-19 Positive Hip Fracture Patients NCT05133648 | University of British Columbia | — |
| Unknown | Comparison of the Effects of Pericapsular Nerve Group (PENG), Suprainguinal Fascia Iliaca Compartment (S-FICB) NCT05912101 | Bozyaka Training and Research Hospital | N/A |
| Completed | Maternal Postop Temperature After Cesarean Delivery NCT05661136 | Tel-Aviv Sourasky Medical Center | N/A |
| Completed | The Role of Carotid Flow Time-Based Fluid Administration in Caesarean Section NCT06048497 | Cukurova University | — |
| Completed | Midodrine for Prophylaxis Against Post Spinal Hypotension in Elderly Population NCT05548985 | Cairo University | N/A |
| Completed | Dural Puncture Epidural Anesthesia Versus Traditional Spinal Anesthesia for Rigid Cystoscopy NCT06507397 | Tanta University | N/A |
| Unknown | Evaluating the Effectiveness of Ondansetron Versus Dexamethasone Versus Placebo for the Control of Intraoperat NCT05583214 | Muhammad Mubariz | Phase 4 |
| Completed | PENG vs SIFI Block for Positioning Pain During Spinal Anesthesia NCT05549011 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | — |
| Unknown | Intramuscular Ephedrine in the Prevention of Hypotension in Patients Undergoing Spinal Anesthesia NCT05498857 | Hospital de Base | Phase 4 |
| Completed | Femoral Nerve Block vs Peri-capsular Nerve Group Block for Hip Fracture Analgesia NCT05444803 | Antalya Training and Research Hospital | N/A |
| Completed | Intrathecal Injection of Hyperbaric Bupivacaine Versus a Mixture of Hyperbaric and Isobaric Bupivacaine in Pat NCT06050044 | Helwan University | N/A |
| Unknown | Uncontrolled Disinformation About Regional Anesthesia and Pregnant Patients. NCT05416541 | Ankara City Hospital Bilkent | — |
| Completed | Sedation With Remimazolam During Spinal Anesthesia NCT05305248 | Gangnam Severance Hospital | N/A |
| Unknown | Hyperbaric Novabupi® in Spinal Anesthesia in Lower Limbs Vascular Surgery NCT03883763 | Cristália Produtos Químicos Farmacêuticos Ltda. | Phase 3 |
| Unknown | Evaluation of the Recovery of the Sympathetic Block After Spinal Anesthesia by Thermographic Image NCT05277220 | Central Hospital, Nancy, France | — |
| Unknown | Spinal Anesthesia Using Ultrasound Assistance Versus Conventional Palpation in Morbidly Obese Patients NCT05240846 | Kafrelsheikh University | N/A |
| Completed | Effects of Crystal Solution and Colloid Solution on Mother and Fetus NCT04432675 | China International Neuroscience Institution | Phase 4 |
| Completed | The Efficiency of Preoperative Pericapsular Nerve Group Block Applied With Ultrasound and Success of Spinal An NCT06209372 | Suleyman Demirel University | — |
| Completed | Effect of Intravenous Dexamethasone on Duration of Hyperbaric Bupivacaine Spinal Anesthesia in Lower Abdominal NCT04778189 | Assiut University | Phase 2 |
| Unknown | Effect of Prewarming On Skin Temperature Changes NCT05063292 | Bozyaka Training and Research Hospital | N/A |
| Completed | Prediction of Spinal Anesthesia-Induced Hypotension in Cesarian Section: Carotid Artery-Corrected Flow Time Ve NCT06236217 | Tanta University | N/A |
| Unknown | Echocardiography Examination Of The Cardiac Effects Of Different Regional Anesthesia Methods NCT04975386 | Bursa Yuksek Ihtisas Training and Research Hospital | N/A |
| Completed | Impact of Listening to Music on Anxiety Postoperative in a Postanesthesic Care Unit (PACU) After Spinal Anesth NCT05002257 | CHU de Reims | N/A |
| Unknown | Pre-Insertion Ultrasound for Lateral-Position Spinal in Cesarean Delivery NCT04592926 | Brigham and Women's Hospital | N/A |
| Unknown | Does Showing Video Information About Spinal Anesthesia Relieves Patient Anxiety? NCT04387487 | Chitwan Medical College | N/A |
| Completed | Prediction of Maternal Arterial Hypotension After Spinal Anesthesia by Passive Leg Raise Test. NCT05133271 | Assistance Publique - Hôpitaux de Paris | N/A |
| Unknown | IV Dexmedetomidine as Spinal Anesthesia Adjuvant in Infants NCT04598061 | University Hospital, Montpellier | — |
| Withdrawn | Spinal Anesthetic for Hip and Knee Replacement Surgery - Intrathecal Morphine or Hydromorphone NCT04280939 | Hopital Montfort | N/A |
| Completed | Intravenous Dexamethasone Effectiveness in Post Caesarean Section Analgesia NCT05535036 | Mongi Slim Hospital | N/A |
| Completed | Dexmedetomidine on Tourniquet Induced -Systemic Effects NCT04307290 | Wonkwang University Hospital | Phase 4 |
| Completed | Comparison of the Effects of Dexmedetomidine and Propofol on the Cardiovascular Autonomic Nervous System Durin NCT04142502 | Ajou University School of Medicine | N/A |
| Completed | Evaluation of Non-invasive Blood Pressure Measured at the Ankle During Cesarean Delivery Compared to the Arm NCT04199156 | Kasr El Aini Hospital | — |
| Completed | Effect of Different Left Lateral Table Tilt for Elective Cesarean Delivery Under Spinal Anesthesia NCT04083768 | Xuzhou Medical University | N/A |
| Completed | Can Right Toe Perfusion Index or Pleth Variability Index Predict Spinal Anesthesia Induced Hypotension? NCT03956186 | Kahramanmaras Sutcu Imam University | — |
| Completed | ED90 for Hyperbaric Bupivacaine in Super Obese Parturients NCT03781388 | Duke University | Phase 4 |
| Completed | Task-based Credentialing for Medical Officers in Spinal Anesthesia NCT04438811 | Harvard Medical School (HMS and HSDM) | N/A |
| Completed | Phenylephrine Versus Norepinephrine for Maintenance of Hemodynamic During Cesarean Section Under Spinal Anesth NCT03849508 | Centre Hospitalier Régional d'Orléans | Phase 4 |
| Completed | Comparison of Phenylephrine and Ephedrine in the Treatment of Hemodynamic Disorders After Spinal Anesthesia in NCT03858465 | Medical University of Warsaw | N/A |
| Completed | Prediction of Hypotension Using Perfusion Index and Pleth Variability Index After Spinal Anesthesia for C/S NCT03864692 | Kahramanmaras Sutcu Imam University | — |
| Completed | Norepinephrine or Phenylephrine in Bolus for Hypotension in Cesarean Delivery NCT03702400 | Hospital dos Servidores do Estado do Rio de Janeiro | Phase 2 |
| Completed | Low Dose Hyperbaric Bupivacaine and Dexmedetomidine as an Adjuvant, Caesarean Section NCT03775655 | Menoufia University | Phase 2 / Phase 3 |
| Completed | Preventive Intramuscular Phenylephrine in Elective Cesarean Section Under Spinal Anesthesia NCT03507387 | Xuzhou Medical University | N/A |
| Completed | Efficacy of Shotblocker in Spinal Needle Related Pain NCT03554122 | Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey | N/A |
| Completed | Application of Unilateral Epidural Anesthesia in Older Patients With Hip Fracture NCT06093412 | Sichuan Provincial People's Hospital | — |
| Completed | Ultrasound-Guided Fascia Iliaca Compartmental Block Versus Spinal Anesthesia in Femoral Thrombectomy NCT06745986 | Port Said University hospital | Phase 4 |
| Completed | Norepinephrine Versus Phenylephrine Continuous Variable Infusion in Cesarean Delivery NCT03328533 | Cairo University | Phase 4 |
| Unknown | Norepinephrine for Spinal-induced Hypotension NCT03308708 | Mansoura University | N/A |
| Completed | Effect of Atropine or Glycopyrrolate on the Prevention of Bradycardia During Sedation Using Dexmedetomidine in NCT03322098 | Yonsei University | N/A |
| Completed | Three Protocols for Phenylephrine Administration in Cesarean Delivery NCT03302039 | Cairo University | Phase 4 |
| Completed | Comparison of Three Different Doses of Intrathecal Morphine for Analgesia After Cesarean Section NCT05317572 | Ondokuz Mayıs University | N/A |
| Terminated | Effect of Atropine or Glycopyrrolate on the Prevention of Bradycardia During Sedation Using Dexmedetomidine in NCT03322150 | Yonsei University | N/A |
| Unknown | Phenylephrine Infusion in Cesarean Delivery NCT03248817 | Cairo University | Phase 4 |
| Completed | Effect of Bilateral Quadratus Lumborum Block for Pain Relief in Patients With Cesarean Section NCT03199170 | Mahidol University | N/A |
| Unknown | Vasopressor Infusion in Cesarean Delivery NCT03248791 | Cairo University | Phase 4 |
| Completed | Effects of Ondansetron on Hemodynamics in Cesarean Section Under Spinal Anesthesia NCT03629522 | University Hospital, Mahdia | Phase 4 |
| Completed | Fixed Dose Spinal Bupivacaine for Cesarean Delivery NCT03231436 | Bartosz Horosz, MD | N/A |
| Completed | Effect of Vasopressors on Spinal Anaesthesia Induced Hypotension NCT03163914 | Cukurova University | Phase 4 |
| Completed | Impact of Dexamethasone on the Duration of Sensory and Motor Block Following Spinal Anesthesia NCT03078062 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Active Not Recruiting | The Effect of Local Anesthetic and Clonidine on the Cutaneous Silent Period During Spinal Anesthesia NCT03121261 | University Hospital Dubrava | Phase 4 |
| Unknown | Spinal Anesthesia and General Anesthesia for Pyloromyotomy - Surgical Outcomes a Comparison Retrospective Stud NCT03095144 | Bnai Zion Medical Center | — |
| Completed | Effect of Music in Intraoperative Period NCT04485650 | Abant Izzet Baysal University | N/A |
| Completed | Sedation Using Virtual Reality During Surgery Under Spinal Anesthesia NCT03055663 | Seoul National University Hospital | N/A |
| Completed | Spinal Versus General Anesthesia With Popliteal and Adductor Canal Blocks for Ambulatory Foot and Ankle Surger NCT02996591 | Hospital for Special Surgery, New York | Phase 4 |
| Completed | Changes in the Microvascular Reactivity on Leg During Spinal Anesthesia NCT04806997 | Pusan National University Hospital | — |
| Unknown | Minimally Invasive Lumbar Aneasthesia Used for Cesarean Section NCT02987192 | RenJi Hospital | N/A |
| Unknown | Large Volume Bupivacaine 0.5% Versus Small Volume in Elective Caesarean Section NCT02937792 | Cairo University | N/A |
| Completed | Bupivacaine With Epidural Volume Extension NCT03110003 | University of Alabama at Birmingham | Phase 3 |
| Active Not Recruiting | Ultrasound Identification Automation Study NCT03535155 | KK Women's and Children's Hospital | — |
| Completed | Comparison of Hyperbaric Prilocaine With Chloroprocaine for Intrathecal Anaesthesia in Day Case Knee Arthrosco NCT03038958 | Centre Hospitalier Universitaire Saint Pierre | Phase 4 |
| Completed | Minimum Effective Dose of Ropivacaine for Spinal Anesthesia for Cesarean Delivery NCT02565303 | Shanghai 6th People's Hospital | N/A |
| Completed | Chloroprocaine for Inguinal Herniorrhaphy NCT03805503 | University Hospital, Ghent | Phase 4 |
| Completed | Spinal Versus General Anesthesia for Ambulatory Anesthesia NCT02529501 | Nordic Pharma SAS | — |
| Completed | Spinal Morphine Provides an Effective Pain Control in Patients Undergoing Transurethral Resection of Prostate NCT02458742 | Mahidol University | N/A |
| Completed | Does the Addition of Epinephrine Prolong the Duration of Spinal Anesthesia for Repeat Cesarean Section? NCT02369510 | Icahn School of Medicine at Mount Sinai | Phase 4 |
| Completed | Taylor's Approach vs Lumbar Approach for Spinal Anesthesia NCT02302378 | University of British Columbia | N/A |
| Completed | Spinal Anesthesia Associated With General Anesthesia in Coronary Artery Bypass NCT02840006 | Daniel Gioielli de Castilho | Phase 4 |
| Completed | Effects of Sedation on Spinal Anesthesia-induced Maternal Hypotension NCT02732197 | Van Training and Research Hospital | — |
| Completed | The Effect of Spinal Anesthesia on Heart Rate Variability in Diabetic Patients NCT02137057 | Yonsei University | — |
| Completed | Impact of Chloroprocaine (CLOROTEKAL®) on Eligibility for Discharge From Hospital After Outpatient Surgery NCT02152293 | Nordic Pharma SAS | — |
| Completed | The Influence of Age on Dexmedetomidine Pharmacodynamic NCT02099253 | Guangzhou General Hospital of Guangzhou Military Command | Phase 4 |
| Completed | Ninvasive Cardiac Output Measurements During Cesarean Delivery Under Spinal Anesthesia. NCT01928797 | Brigham and Women's Hospital | N/A |
| Completed | Bupivacaine 5 mg vs 7.5 mg for Spinal Anesthesia in Cesarean Delivery in Indonesian Population NCT03834454 | Indonesia University | N/A |
| Completed | Isobaric Spinal Ropivacaine Versus Hyperbaric Spinal Bupivacaine in Total Knee Arthroplasty in Geriatric Patie NCT02764723 | Mohamed Sayed Mohamed Abbas | N/A |
| Completed | Predictive Value of Ultrasound Measurement of the Dural Sac Volume on the Sensory Level in Spinal Anesthesia NCT01624844 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Completed | The Influence of Body-mass Index on the Outcome of Spinal Anesthesia for Total Knee Replacement Arthroplasty NCT01609517 | Samsung Medical Center | — |
| Terminated | Ephedrine vs Phenylephrine - ECG Changes NCT01243970 | University College London Hospitals | Phase 4 |
| Completed | Randomized Study of Spinal Anesthesia Compared With Traditional Epidural Anesthesia Concerning Peroperative an NCT02030717 | Umeå University | Phase 2 / Phase 3 |
| Unknown | ED50 Determination of Hydroxyethylstarch for Treatment of Hypotension During Cesarean Section Under Spinal Ane NCT01415284 | Maisonneuve-Rosemont Hospital | Phase 4 |
| Unknown | Impact of Spontaneous Breathing on Ventilation Distribution in Obese Patients NCT01382927 | Technische Universität Dresden | — |
| Completed | The Effect of Spinal Flexion in the Lateral Decubitus Position on the Unilaterality During Spinal Anesthesia NCT01321684 | Seoul National University Hospital | N/A |
| Completed | The Bupivacaine Dose Sparing Effect of Intrathecal Epinephrine NCT01261078 | Seoul Medical Center | N/A |
| Completed | Urinary Retention in Orthopedic Patients NCT02026427 | Military Institute od Medicine National Research Institute | — |
| Completed | Measuring Cerebrospinal Fluid (CSF) Glucose Levels in Patients Under Going an Elective Cesarean Section With S NCT01067560 | University of British Columbia | — |
| Completed | ED50 and ED95 of Intrathecal Bupivacaine With or Without Epinephrine for Total Knee Replacement Arthroplasty NCT01264575 | Seoul Medical Center | N/A |
| Completed | Spinal Anaesthesia for Knee Arthroscopy: Does Lignocaine Shorten the Effect of Bupivacaine NCT01245868 | Frederikssunds Hospital, Denmark | Phase 4 |
| Unknown | Levobupivacaine on Heart Rate Variability (HRV) in Spinal Anesthesia NCT00974961 | National Taiwan University Hospital | Phase 4 |
| Completed | Ultrasound-assisted Spinal Anaesthesia in Patients With Difficult Anatomical Landmarks NCT00956137 | University Health Network, Toronto | N/A |
| Completed | A Comparison of Bupivacaine and 2-chloroprocaine for Spinal Anesthesia NCT00845962 | Université de Montréal | N/A |
| Completed | Effect of Combined Use of Naloxone and Tramacet on Postop Analgesia in Elderly Patients Having Joint Replaceme NCT00679614 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | Phase 3 |
| Completed | Low Dose Spinal Bupivacaine for Total Knee Replacement and Recovery Room Wait Time NCT00537472 | Queen's University | N/A |
| Unknown | Neonatal Spinal Anesthesia: Effects of the Addition of Clonidine NCT01075490 | University Hospital, Montpellier | Phase 4 |
| Completed | Spinal Anesthesia With Articaine and Bupivacaine for Outpatient Lower Limb Surgery NCT00332735 | Reinier de Graaf Groep | Phase 3 |
| Completed | Spinal Anesthesia With Articaine and Lidocaine for Outpatient Surgery. NCT00247741 | St. Antonius Hospital | Phase 3 |
| Unknown | Spinal Versus General Anesthesia for Laparoscopic Cholecystectomy NCT00492453 | University of Thessaly | N/A |