New combo drug may offer safer labor pain relief
NCT ID NCT07264309
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a combination of two medicines given through an IV (tramadol and paracetamol) works better and causes fewer side effects than a standard shot of pethidine for managing pain during the first stage of labor. About 140 women in early labor will be randomly assigned to one of the two treatments. The main goal is to see which approach provides better pain relief one hour after the medicine is given.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 140 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Singleton Term pregnancy First stage of labor including at least 4 painful contractions in 30 min with cervical dilatation less or equal to 1 cm or 50% effacement Spontaneous or induced labor - Exclusion Criteria: * Previous cesarean delivery * Malpresentation * Multiple pregnancies * Suspected intrauterine growth restriction \< 3 percentile * Suspected placental abruption * History of allergy to paracetamol, tramadol or pethidine * Women with sleep apnea disorder * Morbid obesity BMI≥40 * History of significant cardiac, liver and renal diseases * Anti-convulsive medication consumption * MAO inhibitors medication consumption within the last 14 days * Non reassuring fetal heart rate monitoring (type II or III) * Tense use
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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HaEmek MC
RECRUITINGAfula, Israel
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