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Outcome of Combined Tramadol and Paracetamol Versus Pentazocine as Labour Analgesia Among Parturients (OCTAPPENALA)

F

Federal Medical Centre, Yenagoa

Status

Not yet enrolling

Conditions

Labor Pain

Treatments

Drug: Pentazocine plus placebo

Study type

Interventional

Funder types

Other

Identifiers

NCT05565274
FMCY/O&G/OCTAPPENALA/2022

Details and patient eligibility

About

Labour is a very painful experience and epidural analgesia is considered the gold standard for pain relief in labour. Epidural scarcity, cost and shortage of skilled personnel to administer it is a limitation to it's usage in developing countries. Parenteral opioid analgesics such as pethidine and pentazocine are effective labour analgesia commonly used in developing countries but are limited by their side effects. This limitation in their use call for the need for alternative analgesic with similar or superior analgesic effect but with minimal side effects.The study is aimed at evaluating the efficacy and safety of combined tramadol and paracetamol in reducing labour pain among parturients.

Full description

There is paucity of data in our environment looking at the efficacy and safety of combined tramadol and paracetamol in relieving labour pain. This study will offer us great opportunity to evaluate their synergistic effect in labour when compared to the commonly used single opioids such as pethidine or pentazocine.

It would be a double blinded randomized controlled trial. One hundred and sixty-six pregnant eligible women in labour would participate in this study. Participants will be randomized equally into two study arms ( Tramadol plus Paracetamol study arm and Pentazocine study arm) after informed consent. The Tramadol plus Paracetamol study arm will receive 100mg of tramadol plus 600mg of paracetamol intramuscularly in a 2ml and 5ml syringe respectively while the pentazocine study arm will receive 30mg of Pentazocine and 2 milliliters of water for injection as placebo intramuscularly in a 2l and 5 ml syringes respectively. Both drugs will be administered to the participants at 4-6cm cervical dilatation during labour. The outcome measures will be evaluated within 5 hours in labour and an hour immediately after delivery. The need for additional rescue analgesia will be assessed as well. Fetal outcome on both arms will be noted too.

Enrollment

166 estimated patients

Sex

Female

Ages

16 to 50 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • All pregnant women who presented in spontaneous labour at term, carrying Singleton Live Fetus in Active Phase of Labour with Cervical dilatation of 4-6cm who gave consent to participate in the study

Exclusion criteria

  • Women with severe medical conditions such as diabetes mellitus, severe pre-eclampsia, cardiac, liver and renal disease
  • Preterm Labour
  • Intrauterine Fetal Death
  • Fetal presentation other than cephalic
  • Patients with previous caeserean section
  • History of hypersensitivity to paracetamol, tramadol and pentazocine
  • Complications such as antepartum haemarrhage, polyhydramnious, premature rupture of membrane
  • Use of any kind of analgesia before recruitment
  • Multiple gestation
  • All other delivery except spontaneous vertex delivery Labour that was induced or augmented

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

166 participants in 2 patient groups

Tramadol plus Paracetamol
Experimental group
Description:
2ml of 100mg of intramuscular tramadol plus 2ml of 600mg of intramuscular paracetamol unlabeled
Treatment:
Drug: Pentazocine plus placebo
Pentazocine plus placebo
Active Comparator group
Description:
2ml of 30mg of pentazocine plus 2 ml of water for injection will be administered intramuscularly during labour
Treatment:
Drug: Pentazocine plus placebo

Trial contacts and locations

0

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Central trial contact

Andrew Orhorho, MBBS

Data sourced from clinicaltrials.gov

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