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Surgery Clinical Trials

A listing of Surgery medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

Found 2,628 clinical trials
R Ren Li, PhD

Preoperative Oral Carbohydrate Loading and Gastrointestinal Recovery After Bariatric Surgery in Metabolic Syndrome

This prospective randomized controlled trial aims to evaluate the effect of preoperative oral carbohydrate loading on postoperative gastrointestinal recovery in patients with metabolic syndrome undergoing bariatric surgery. Eligible participants will be randomly assigned to either a preoperative oral carbohydrate drink group or a standard preoperative fasting group. The primary objective …

18 - 65 years of age All Phase N/A
E ELZEM ŞEN, MD

Association Between Intraoperative Pulse Pressure Variation and Postoperative Lactate Clearance in Cardiac Surgery

This study aims to evaluate the relationship between intraoperative pulse pressure variation (PPV) and postoperative lactate clearance in adult patients undergoing elective cardiac surgery. Intraoperative PPV values will be recorded, and blood lactate levels will be measured at admission to the intensive care unit and at 6 and 12 hours …

18 - 80 years of age All Phase N/A
d dina M elgalaly, bph

Dexmedetomidine Use for Greater Occipital Nerve Block in Pediatric Posterior Fossa Tumor Surgery.

The goal of this clinical trial is to evaluate the effects of ultrasound-guided versus blind greater occipital nerve block (GONB), with or without Dexmedetomidine as an adjuvant, in pediatric patients undergoing posterior fossa tumor excision under general anesthesia. The main questions it aims to answer are: Does ultrasound-guided GONB improve …

- 18 years of age All Phase 3
G Guglielmo Niccolo Piozzi, MD

Application of the Maestro Surgical System for Surgical Assistance in Laparoscopic Abdominal Surgery

This study is designed to evaluate the application of the Maestro Robotic Platform for surgical assistance in laparoscopic abdominal surgery. The purpose of this study is to assess the system use in general surgery on different procedures, level of complexity, and type of setting (elective/emergency).

18 years of age All Phase N/A
M Mehmet Olcum, MD

Axillary Web Syndrome After Breast Cancer Surgery: Incidence, Risk Factors, and Functional Outcomes

Axillary web syndrome (AWS), sometimes called "cording," is a condition that can develop after breast cancer surgery in which the lymph nodes under the arm are removed or sampled. It appears as one or more tight, painful cord-like structures running from the armpit down the inner arm. It can limit …

18 - 80 years of age Female Phase N/A
M Mucahide Emine Fidancı Kuas, MD

EFFECTS OF SPSIP BLOCK ON PERIOPERATİVE INFLAMMATION AND TLR4 IN BREAST CANCER SURGERY

This study will investigate whether the serratus posterior superior intercostal plane (SPSIP) block improves postoperative recovery after breast cancer surgery. Participants will be randomly assigned to one of two groups. One group will receive an ultrasound-guided SPSIP block, while the other group will undergo a similar procedure without active medication …

18 - 85 years of age Female Phase N/A
İ İbrahim Doğan, MD

Preoperative Frailty and Postoperative Outcomes in Older Patients Undergoing Surgery for Gastrointestinal Cancer

This prospective observational cohort study will evaluate whether preoperative frailty, assessed using the Fried Frailty Index and the Clinical Frailty Scale, is associated with postoperative outcomes in patients aged 60 years or older undergoing elective surgery for gastrointestinal cancer. Participants will be followed for 90 days after surgery. Postoperative complications, …

60 years of age All Phase N/A

Using Chin Bone Rings for Sinus Lifting and Dental Implants in One Surgery

This study evaluates the Bone Ring Technique, a single stage procedure that combines external sinus floor elevation and dental implant placement using an autogenous bone ring harvested from the chin. Ten patients with residual alveolar bone height ≤4 mm in the posterior maxilla will be enrolled. Implant stability (ISQ), vertical …

18 - 70 years of age All Phase N/A
K Kunlin Xie, MD, PhD

Surgery vs. Watch-and-Wait Strategy in Partial & Complete Responders for Hepatocellular Carcinoma

The "Surgery versus Maintenance after Conversion-therapy-achieved Complete/Partial Response in Hepatocellular Carcinoma (SWITCH)" study is a multicenter, open-label, prospective non-randomized cohort study with the protocol number SWITCH-01 (Version 0.1, dated October 5, 2025). Sponsored by West China Hospital of Sichuan University and led by Principal Investigator Wu Hong, the study involves …

18 - 80 years of age All Phase N/A
S S. Bulent Omay, MD

Evaluating Intranasal Oxytocin (TNX-1900) for Pain Relief and Recovery After Pituitary Surgery

This study is testing whether oxytocin can help lessen pain by changing how people process emotions and social experiences. The goal is to better understand how the brain links emotions, relationships, and pain, and whether this connection can be used to improve pain treatment.

30 - 75 years of age All Phase 2

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