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Topical Formulations of Liposomal Local Anesthetics

Local Anesthetic Activity of Liposomal Formulations in Dentistry

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01054547
Enrollment
80
Registered
2010-01-22
Start date
2006-09-30
Completion date
2007-04-30
Last updated
2010-01-22

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

Conditions

Administration, Topical, Administration, Topical Drug, Anesthetic Drugs

Keywords

topical anesthetic, liposomal ropivacaine, dentistry

Brief summary

This blinded cross-over study aim to evaluate the efficacy of topical liposome-encapsulated ropivacaine formulations.

Detailed description

This blinded cross-over study aim to evaluate the efficacy of topical liposome-encapsulated 1 and 2% ropivacaine gel formulations.

Interventions

DRUGRopivacaine

100 mg of the following formulations: Liposome-encapsulated 1 and 2% ropivacaine gel, liposome placebo gel and 2.5% lidocaine and 2.5% prilocaine cream were applied once during 5 minutes.

Sponsors

Fundação de Amparo à Pesquisa do Estado de São Paulo
CollaboratorOTHER_GOV
University of Campinas, Brazil
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 43 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy

Exclusion criteria

* Volunteers were free from cardiac, hepatic, renal, pulmonary, neurological, gastrointestinal and haematological diseases, psychiatric disorders and allergy to local anesthetics

Design outcomes

Primary

MeasureTime frame
After topical application of the local anesthetic formulations at the oral mucosa, their influence on pulpal response was assessed by an electrical pulp tester.10 minutes

Secondary

MeasureTime frame
The efficacy of the topical anesthetics was measured after a simulation of a local anesthesia in the application site (insertion of a 30 gauge needle until periosteum contact).10 seconds after removal of topical formulation

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026