Effect of Nitrous Oxide on labor pain reduction and obstetrics outcome

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20201203003

Enrollment

110

Registered

2020-12-03

Start date

2020-12-03

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

1.Labor pain score 1.entonox 2.labor pain 3.obstetrics outcome

Interventions

Patient receive nitrous oxide for their pain control,Patient receive oxygen for their pain control

Experimental Drug,Placebo Comparator Drug

Nitrous oxide,Oxygen

Eligibility

Sex/Gender

Female

Age

18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Term, singleton, cephalic presentation pregnancy woman 2. In labor

Exclusion criteria

Exclusion criteria: 1. unable to used nitrous oxide 2. respiratory tract infection 3. Denied to participate

Design outcomes

Primary

Measure	Time frame
pain score 1 hr, 2 hr, 3 hr, 4hr visual analog scale	—

Secondary

Measure	Time frame
None None None	—

Countries

Thailand

Contacts

Public ContactPanithi Leesukon

Faculty of Medicine, Ramathibodi hospital, Mahidol university

panithileesukon@gmail.com0892154578

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026