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This group will contain 20 patients having single type 0 or I submucous uterine myomas according to International Federation of Gynecology and Obstetrics classification system with a largest diameter ≤ 4 cm and myometrial free margin of at least 10 mm.After induction of general anesthesia, immediately before the operation, participants will receive either 1 ml of carbetocin (100 mcg/ml) IV over 1 minute.

This group will contain 20 patients having single type 0 or I submucous uterine myomas according to International Federation of Gynecology and Obstetrics classification system with a largest diameter ≤ 4 cm and myometrial free margin of at least 10 mm.After induction of general anesthesia, immediately before the operation, participants will receive either 1 ml of sodium chloride 0.9% IV over 1 minute.

(1-deamino-1-monocarba-(0-2-methyltyrosine)-oxytocin) is a long-acting synthetic agonist analogue of the human oxytocin

Physiological solution will be used as placebo

Sodium chloride 0.9%

Mohamed E Taman, MD

Submucous myomas represent one of the main indications of operative hysteroscopy. Since 1976 when Neuwirth and Amin reported the first five cases of excision of submucous myomas , several techniques have been developed in order to render hysteroscopic myomectomy a safe and effective procedure .

Hysteroscopic myomectomy is currently considered the "gold standard" minimally invasive approach for the treatment of symptomatic submucous myomas . Patients undergoing hysteroscopic myomectomy are liable to significant blood loss, and hemodynamic and hematological disturbances. Excessive bleeding during hysteroscopic myomectomy remains a major challenge for the endoscopic gynecological surgeons. Many interventions were introduced to reduce the risk of bleeding during myomectomy. These include the use of utero-tonics such as oxytocin, or the use of anti-fibrinolytics such as tranexamic acid . The potential advantage of oxytocin infusion during hysteroscopic myomectomy is that it can maintains uterine contractility throughout the procedure, and thus, reduce blood loss .

Carbetocin (1-deamino-1-monocarba-(0-2-methyltyrosine)-oxytocin) is a long-acting synthetic agonist analogue of the human oxytocin. When injected to a woman, it induces uterine contractions . Although many interventions have been described to reduce the intraoperative blood loss during hysteroscopic myomectomy, there is a need for a well-designed randomized controlled trials to identify the most efficient interventions, with reasonable safety profiles, to help the perform a safe and curative surgery.

All patients will have preoperative evaluation by gynecologists and anesthetists, with history taking and pelvic examination. A TVS scan will be done to determine the number, size and location of the myomas, and evaluate the myometrial free margin (the minimum thickness between the outer edge of the myoma and inner edge of the uterine serosa), which was found to be ideally ≥ 10 mm (11). Prior office diagnostic hysteroscopy will be performed for evaluation of the number, location and grade of the submucous myomas, and assessment of the endocervical canal and uterine cavity and the position of the tubal ostia in order to aid orientation. Preoperative full blood count, serum creatinine, fasting blood glucose, liver enzymes, coagulation profile ( INR), and viral markers will be done for all the patients. Monopolar resectoscopic myomectomies will be scheduled in the proliferative phase of menstrual cycle by a single experienced operator.

After induction of general anesthesia, immediately before the operation, participants will receive either 1 ml of carbetocin (100 mcg/ml) IV over 1 minute (study group) or 1 ml of sodium chloride 0.9% IV over 1 minute (control group). The procedure will be done using the available standard setup and the distending solution used will be 1.5% glycine. A drape with a fluid-collection pouch (Lingeman 3 in 1 Procedure Drape, Lingeman Medical Products, Inc., Indianapolis, IN) placed beneath the woman's buttocks will be used to collect outflow fluid escaping between the cervix and sheath to prevent spillage of irrigating fluid onto the floor. Fluid inflow and outflow will be monitored every 3-5 minutes. The outflow fluid will be measured to the nearest milliliter. The inflow and outflow volumes of the distension solution will be carefully monitored continuously during the procedure by nurses not involved in the study under the current monitoring protocol at the operating theater. The procedure would be terminated if the fluid imbalance reached 1 L.

After completing the procedure, the surgeon completed a record sheet for rating of bleeding amount and the quality of operative view. Postoperative full blood count will be done for all patients 24 hours after the procedures. Preoperative and postoperative hemoglobin and hematocrit, the need for blood transfusion, the duration of operation, any operative complications and medication adverse effects will be recorded.

The randomization will be simple and balanced (1:1) and will be carried out by a nurse through sealed, unlabeled, opaque envelopes containing computer-generated random numbers. The participants, caregivers and investigators will be blinded to group assignment.

Intraoperative Carbetocin to Decrease Blood Loss During Hysteroscopic Myomectomy

Intraoperative Carbetocin to Decrease Blood Loss During Hysteroscopic Myomectomy: a Randomized Controlled Trial

Minimal Bleeding is insufficient to interfere with the operation or with the clarity of vision Moderate Bleeding that obscure the visual field and resolves only with continuous and constant irrigation of the distention media Excessive Bleeding that necessitate intervention other than continuous and constant irrigation of the distention media (e.g. controlled only by increasing the pressure to tamponade the bleeding from myoma bed)

• Change in haemoglobin and hematocrit as surrogate measures of haemostatic effect

It evaluate the complication that could affect the technique

Calculation the fluid deficit between in flow volume and outflow volume.

Poor When it is not possible to visualize the entire uterine cavity and the cornual areas nor adequate visualization of the myoma during more than half of the procedure despite continuous and constant irrigation of the distention media Fair When it is not possible to visualize the entire uterine cavity and the cornual areas nor adequate visualization of the myoma during less than half of the procedure despite continuous and constant irrigation of the distention media Good When it is possible to assess the entire uterine cavity to include the cornual areas from the level of isthmus satisfactorily throughout the entire procedure with adequate visualization of the myoma.

Mansoura University Hospital

lecturer

Vasoconstrictor Agents

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Bupivacaine

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Epinephryl borate

Benzocaine

Tannic Acid

patients will receive carbetocin, The optimal carbetocin dose(IV or IM) is 100 mcg. The carbetocin group will receive 100 mcg IV carbetocin (Pabal; Ferring Pharmaceuticals) in 10 mL saline solution. The anesthesiologists will administrate carbetocin slowly over 5 minutes (at a rate of 2 mL/min) to maintain hemodynamic stability.

patients will receive adrenalin, infiltration of the serosa and/or myometrium overlying the leiomyoma before uterine incision with a solution composed of 50 ml Bupivacaine HCL 0.25% and 0.5 mg of adrenaline.The anesthesiologist will be informed prior to the injection of the solution to ensure proper monitoring. The solution will be prepared just before the procedure. Before each infiltration, aspiration will be performed to avoid intravascular injection

To compare efficacy of intravenous carbetocin to intramyometrial injection of adrenaline in decreasing intraoperative blood loss and need for blood transfusion during abdominal myomectomy.

Waleed Saber, Professor

Uterine fibroids, affecting 20-50% of all women ,and are benign tumors that arise from myometrial cells of the uterine smooth muscle tissue. Although most are asymptomatic, fibroids can often cause abnormal uterine bleeding, iron deficiency anemia, pelvic pressure symptoms and pain

Women with myomatous uteri have an increased number of blood supply which may cause excessive bleeding during myomectomy. The excessive bleeding may result in blood transfusions and prolonged hospital stays. A variety of methods are used to reduce bleeding during myomectomy including preoperative administration of gonadotropin-releasing hormone (GnRH) agonists, uterine artery tourniquet, vaginal misoprostol, intravenous tranexamic acid, intramyometrial injections of bupivacaine plus adrenaline and vasopressin, chemical dissection with Mesna (sodium-2-mercaptoethanesulfonate), perioperative injection of ascorbic acid, and, recently, carbetocin.

Currently, there are several strategies for the treatment of fibroids. Still, myomectomy, the surgical removal of myomas, is an important treatment option for symptomatic leiomyomas, especially in women who wish to preserve their uteri.This can be accomplished via laparotomy, laparoscopy or hysteroscopy.

Oxytocin is a hormone secreted from the posterior pituitary and exerts its effect on the uterus by producing uterine contractions during labor and delivery. Because of this contractile feature, synthetic oxytocin analogs are used in the treatment of postpartum uterine atony and hemorrhage. Based on its ability to attenuate blood loss, oxytocin has been evaluated in gynecologic procedures, including hysterectomies, myomectomies, and endometrial resections. Although the expression of oxytocin receptors is thought to be strictly related to pregnancy, their presence has been demonstrated in the leiomyomatous uterus.

Carbetocin was first introduced to control postpartum hemorrhage, but its manageability and efficacy soon made it an interesting option for gynecologic surgeons. Given its longer half-life compared with oxytocin and its ample bioavailability, carbetocin could represent a very useful tool during myomectomy, administered either intravenously or intramuscularly Following promising reports on the effectiveness of carbetocin in reducing intraoperative blood loss, hemoglobin drop, and need for postoperative blood transfusions.

Adrenaline is a potent vasoconstrictive agent that has a high risk of cardiovascular effects if an intravascular instillation is performed. The vasoconstrictive effect of adrenaline on tissue lasts longer than that of vasopressin.

Bupivacaine is a local anesthetic that causes vasodilatation at clinical doses, but lower doses appear to cause vasoconstriction. Bupivacaine has shown to have a vasoconstrictive activity in concentrations of ≤ 0.25%, with duration of its action between 4 and 24 h when used for local infiltration. The use of a combination of bupivacaine and low dose of adrenaline in order to minimize the cardiovascular effects of the latest without interfering with the vasoconstrictive effects on haemostasis has been documented.

The myometrial injection of adrenaline plus bupivacaine was one of the evaluated methods showing significantly reduced blood loss and shorter duration of surgery compared to placebo

Evaluating Efficacy of Intravenous Carbetocin Versus Intramyometrial Injection of Adrenaline in Reducing Blood Loss

Evaluating Efficacy of Intravenous Carbetocin Versus Intramyometrial Injection of Adrenaline in Reducing Blood Loss During Abdominal Myomectomy: A Randomized Controlled Trial

Compare efficacy of intravenous carbetocin to intramyometrial injection of adrenaline in reducing intraoperative blood loss during abdominal myomectomy Outcome of the study will be measured in terms of assessment of Hemoglobin level and Hematocrit level pre and post operatively.

* Need for blood transfusion.
* Duration of surgery.
* Operative complications.
* Post operative adverse effects such as allergy, cardiovascular disorders and pulmonary edema, etc.

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Intraoperative Carbetocin to Decrease Blood Loss During Hysteroscopic Myomectomy	NCT04482959	Myoma;Uterus	Carbetocin Sodium chloride...	18 Years - 45 Years	Mansoura University Hospital
Evaluating Efficacy of Intravenous Carbetocin Versus Intramyometrial Injection of Adrenaline in Reducing Blood Loss	NCT05986266	Uterine Fibroid	Carbetocin	25 Months - 50 Years	Egymedicalpedia

Spots Global Cancer Trial Database for carbetocin

Every month we try and update this database with for carbetocin cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Spots Global Cancer Trial Database for carbetocin

Every month we try and update this database with for carbetocin cancer trials from around the world to help patients and their families find trials that might be right for them. We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.

Every month we try and update this database with for carbetocin cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.