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NCT Number: NCT03710304

Tranexamic Acid Plus Buccal Misoprostol on Blood Loss During and After Cesarean Delivery

Postpartum hemorrhage (PPH) is potentially life-threatening and is a significant contributor to maternal mortality and morbidity especially in developing countries.

The risk of PPH is much higher for women undergoing cesarean delivery (CD). In the majority of cases, uterine atony is responsible for the occurrence of excessive bleeding during or following childbirth.

The Millennium Development Goal of reducing the maternal mortality ratio by 75 % by 2015 will remain beyond our reach unless we prioritize the prevention and treatment of PPH in low-resource countries.

Consequently, the administration of uterotonic drugs during cesarean section (CS) and in the third stage of labor for vaginal delivery has become essential to diminish the risk of PPH and improve maternal safety.

Oxytocin is regarded as the gold standard uterotonic agent but only has a half-life of 4-10 min; therefore, at cesarean section oxytocin must be administered as a continuous intravenous infusion to attain sustained uterotonic activity throughout the surgical procedure and immediate postpartum period.

Misoprostol is a prostaglandin E1 analog proven in several randomized controlled trials to be effective in preventing PPH because of its strong uterotonic effects. In addition, misoprostol is inexpensive, stable at room temperature, and easy to administer.

Misoprostol has been broadly studied in the prevention and treatment of PPH after vaginal delivery; however, its use in conjunction with CD has not been investigated as much.

The buccal route is recognized as having the greatest benefit due to its rapid uptake, long-acting effect, and greatest bioavailability compared with other routes of misoprostol administration.

Tranexamic acid(TA) is a synthetic analog of the amino acid lysine,10 as an antifibrinolytic agent it has roughly eight times the antifibrinolytic activity of an older analog; ε-aminocaproic acid.

The aim of this study was to compare the effectiveness of combined buccal misoprostol and intravenous TA with intravenous oxytocin for the prevention of PPH in patients with risk factors during cesarean section.

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Key information

Conditions

Cesarean Section Complications Female Urogenital Diseases and Pregnancy Complications Hemorrhage Obstetric Labor Complications Pathologic Processes Pathological Conditions, Signs and Symptoms Postpartum Hemorrhage Pregnancy Complications Puerperal Disorders Urogenital Diseases Uterine Hemorrhage

Age range

20 year–45 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Aswan University

Aswān, 81528, Egypt

About this study

Eligible and consenting participants were randomized via a computer-generated random number sequence into one of two groups: one group received a pre-prepared sealed and opaque packet containing 400 μg of misoprostol (2 tablets of 200 μg), 2 ampoules of TA (1 gm for infusion) and separate placebo ampoule (distilled water). The other group received similar packets containing two placebo tablets, two placebo ampoules (distilled water) and separate 2 ampoules of oxytocin (10 IU in each ampoule for infusion) for slow intravenous injection. The misoprostol and placebo tablets were similar in size, shape, and color, and ampoules of oxytocin will be also similar to placebo. Randomization was done by the investigator immediately before transfer to the theater, whereas the preparation of packets and confidential record maintenance was done by the labor room nursing staff.

Study drug administration 400 μg misoprostol (2 tablets of 200 μg) or two placebo tablets were given buccally after spinal anesthesia and few minutes before skin incision; then 1 gm TA or separate placebo will be diluted in 100 mL normal saline and administered slowly (over 30-60 s) intravenously before skin incision, in group 2 20 IU oxytocin or placebo ampoules in 500 mL of intravenous solution infusion over 15 min after delivery of baby.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • patients scheduled for an elective cesarean section with risk factors for atonic PPH

Exclusion criteria

  • Patients with a cardiac, hepatic, renal or thromboembolic disease
  • patients had an allergy to tranexamic acid
  • suspected coagulopathy
  • history of coronary artery disease or hypertension
  • patient refuses to participate

Treatment and study plan

Oxytocin

Drug

20 IU oxytocin or placebo ampoules in 500 mL of intravenous solution infusion over 15 min after delivery of the baby.plus 2tab placebo buccal plus 110 ml saline by slow infusion

Other names: Active Comparator

Tranexamic acid plus misoprostol

Drug

1 gm TA or separate placebo will be diluted in 100 mL normal saline and administered slowly (over 30-60 s) intravenously by the anesthetist before skin incision,

Other names: Active Comparator

Misoprostol

Drug

400 μg misoprostol (2 tablets of 200 μg) will be give buccally after spinal anesthesia and few minutes before skin incision;

Other names: Active Comparator

Primary outcomes

  1. number of participant required of additional pharmacological uterotonic.

    Time frame: 24 hours post operative

    the number of participant need for extra uterotonic drug

Secondary outcomes

  1. difference between preoperative and postoperative hemoglobin

    Time frame: 24 hours post operative

    compare of hemoglobin in gm/dl preoperative and 24 hours post operative

  2. intraoperative blood loss

    Time frame: during the operation

    amount of blood loss during the operation

  3. post operative blood loss

    Time frame: 24 hours post operative

    amount of blood loss from the end of operation till 24 hours post operative

Sponsors and collaborators

Lead sponsor

Aswan University Hospital

Other

Registry information

Official study title

The Effect of IV Tranexamic Acid Plus Buccal Misoprostol on Blood Loss During and After Cesarean Delivery: a Randomized Controlled Trial

Important dates

Study start
2018
Primary completion
2020
Study completion
2020
First posted
Oct 18, 2018
Registry last updated
Jul 14, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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