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Efficacy of Ethyl Chloride Spray versus Subcutaneous 1% Lidocaine Injection for Reducing The Pain of One Rod Contraceptive Implant Removal : A Single-blinded Randomized Controlled Trial

Efficacy of Ethyl Chloride Spray versus Subcutaneous 1% Lidocaine Injection for Reducing The Pain of One Rod Contraceptive Implant Removal : A Single-blinded Randomized Controlled Trial

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190205001
Enrollment
120
Registered
2019-02-05
Start date
2018-12-25
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

The pain from one rod contraceptive implant removal Lidocaine Ethyl chloride spray Pain One rod contraceptive implant Implanon

Interventions

Ethyl chloride spray will sprayed 15 cm far from the implantation site for 5 seconds and then tested for the pain by toothed forceps. The one rod contraceptive implant will be removed.,1 ml of 1% Lido
Experimental Drug,Experimental Drug
Ethyl Chloride spray group,1% Lidocaine injection group

Sponsors

Pitch chandeeying,MD
Lead Sponsor
Sasikan Tangtassana&#44
Collaborator

Eligibility

Sex/Gender
Female
Age
10 Years to No maximum

Inclusion criteria

Inclusion criteria: Thai women aged 10 years and above who are willing to remove one rod contraceptive implant

Exclusion criteria

Exclusion criteria: -Allergic to anesthetic methods (Lidocaine and ethyl chloride spray) -Underlying dermatologic condition that will be aggravated by cold temperature -Infection at the area of contraceptive implant removal -Using anticoagulant or antiplatelet drugs -The contraceptive implant rod is too deep to be palpated -Willing to reinsert the contraceptive implant after removal -Unable to communicate -Recieve pain killer within 6 hours before implant removal

Design outcomes

Primary

MeasureTime frame
Pain score Immediate after contraceptive implant removal operation start Visual analog scale

Secondary

MeasureTime frame
contraceptive implant removal duration From the start to the end of the procedure Record time in second ,Success rate Immediate after the entire contraceptive rod is removed Success or failure,Satisfaction Immediate after contraceptive implant removal procedure 5 point Likert scale ,Side effect of anesthesia after applying the anesthesia(Ethyl chloride spray or lidocaine Record side effect of anesthesia

Countries

Thailand

Contacts

Public ContactNartlada Mapaisankit

Charoenkrung Pracharak hospital

nartladaa@hotmail.com022897000

Outcome results

None listed

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