Pain, Acute Clinical Trial
Official title:
The Effect of IV PAPAVERINE 80 mg Prior to Catheter Balloon Insertion on Bishop Score and Pain, Double Blinded Randomized Placebo Controlled Trial
NCT number | NCT05759364 |
Other study ID # | 0012-23-NHR |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | May 15, 2023 |
Est. completion date | April 1, 2025 |
The cervix consists of connective tissue, smooth muscle, and parasympathetic innervation. Smooth muscle makes up about 15% of the cervix, is mainly found under the internal opening of the neck. Papaverine and its derivatives are musculotropic antispasmodic drugs that directly affect smooth muscle, the mechanism is to reduce the spasm of smooth muscle resulting in relaxation. Studies on the pharmacokinetics of this drug show that it has a half-life of 0.5-2 hours and its effect is apparent within 10 minutes. Administration of antispasmodic drugs during childbirth is common in developing and developed countries. Based on previous studies, the use of these drugs during childbirth may lead to a faster opening of the cervix. Possible uses of Papaverine include, administered separately or in combination with other treatments such as rupture of amniotic membranes and/or Oxytocin administration. According to some studies, administration of Papaverine at birth can be used as a preventive or therapeutic strategy in cases of prolonged labor or first stage over 12 hours as defined in some studies. According to Kochran et al, who included 13 experiments with 1995 participants, the use of antispasmodic drugs shortened the first stage of labor by an average of 74.34 minutes. In 6 experiments that included 820 patients, the administration of antispasmodic drugs during labor increases the rate of cervical opening by an average of 0.61 cm per hour. In addition to the muscle relaxation effect, studies have been published on the analgesic effect of PAPAVERINE for example in patients with urinary stones. In the present study, the investigators want to test the effect of administering PAPAVERINE IV 80 mg within half an hour before the insertion of a catheter balloon for cervical ripening on the Bishop score after catheter removal between the two groups.
Status | Recruiting |
Enrollment | 128 |
Est. completion date | April 1, 2025 |
Est. primary completion date | April 1, 2024 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years to 50 Years |
Eligibility | Inclusion Criteria: - Women with a singleton pregnancy, over the age of 18, pregnant at term (ie between weeks 37-42) - Bishop score is less than 6, for which a medical decision was made regarding the induction of labor by catheter - Vertex presentation, intact membranes - Viable fetus Exclusion Criteria: - Twin pregnancy - Women after caesarean section - Severe fetal anomalies - Women with vaginismus or vulvodynia - Women with psychiatric illnesses including depression and schizophrenia - Contraindication for vaginal delivery - A woman who is unable to sign a consent form - Women are known for supraventricular tachycardia - Women with tachycardia over 100 or arrhythmia - Known sensitivity to one of the components of the drug - Liver disease |
Country | Name | City | State |
---|---|---|---|
Israel | Galilee Medical Center | Nahariya | Hazafon |
Lead Sponsor | Collaborator |
---|---|
Western Galilee Hospital-Nahariya |
Israel,
Ibrahim MI, Alzeeniny HA, Ellaithy MI, Salama AH, Abdellatif MA. Drotaverine to improve progression of labor among nulliparous women. Int J Gynaecol Obstet. 2014 Feb;124(2):112-7. doi: 10.1016/j.ijgo.2013.08.013. Epub 2013 Nov 7. — View Citation
Madhu C, Mahavarkar S, Bhave S. A randomised controlled study comparing Drotaverine hydrochloride and Valethamate bromide in the augmentation of labour. Arch Gynecol Obstet. 2010 Jul;282(1):11-5. doi: 10.1007/s00404-009-1188-8. Epub 2009 Jul 31. — View Citation
Rohwer AC, Khondowe O, Young T. Antispasmodics for labour. Cochrane Database Syst Rev. 2012 Aug 15;(8):CD009243. doi: 10.1002/14651858.CD009243.pub2. — View Citation
Singh KC, Jain P, Goel N, Saxena A. Drotaverine hydrochloride for augmentation of labor. Int J Gynaecol Obstet. 2004 Jan;84(1):17-22. doi: 10.1016/s0020-7292(03)00276-5. — View Citation
Snir N, Moskovitz B, Nativ O, Margel D, Sandovski U, Sulkes J, Livne PM, Lifshitz DA. Papaverine hydrochloride for the treatment of renal colic: an old drug revisited. A prospective, randomized study. J Urol. 2008 Apr;179(4):1411-4. doi: 10.1016/j.juro.2007.11.053. Epub 2008 Mar 4. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The delta Bishop score | The difference between the bishop score (a score of the cervix ripening) before and after the insertion of Foley catheter. Higher delta Bishop scores means better outcome | 1 year | |
Primary | Pain during insertion of the catheter | Pain during insertion of the catheter based on visual scale analoug (0-10) score, . The minimum is 0, the maximum is 10. Higher score means worse outcome | 1 year | |
Secondary | Induction-delivery interval | Time from insertion of the catheter balloon to delivery. Longer interval means worse outcome | 2 years | |
Secondary | Success | Bishop score (a score of cervix ripenining) after extraction of the catheter above or equal to 8. Bishop score above or equal to 8, means better outcome | 2 years | |
Secondary | Use of other ripening method | The need for other ripening method due to low bishop score (<6) after extraction of the catheter balloon | 2 years | |
Secondary | Insertion-extraction of the catheter interval | Time between insertion to extraction of the catheter balloon. | 2 years | |
Secondary | Delivery method | Cesarean or vaginal delivery | 2 years | |
Secondary | Maternal satisfaction | Based on visual scale analoug score for satisfaction (1-5), the minimum is 1, the maximum is 5, higher score means better outcome | 1 year | |
Secondary | Apgar Score | The Apgar score, is a score given to the newborn in 1,5 and 10 minutes after birth, and is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. | 2 years | |
Secondary | Cord pH | Cord blood gas analysis is an objective measure of the fetal metabolic condition at the time of delivery | 2 years | |
Secondary | Need for neonatal intensive case admission | Is a measure of neonatal complications at birth | 2 years |
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