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Effect of DrugEarly Phase 1NCT04732104

Efficacy of Lidocaine and Xylometazoline Intranasal Spray in Anesthetizing Maxillary Teeth

A Early Phase 1 study testing Lidocaine topical and Lidocaine Hydrochloride in people with Effect of Drug, run by Dow University of Health Sciences at 1 site in Pakistan.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Different anesthetic techniques are used for achieving pulpal anesthesia of maxillary teeth. Recently tetracaine and oxymetazoline were used as local anesthetic agents in the form of an intranasal spray to achieve pulpal anesthesia of maxillary teeth. Read more about this study

Who is it for?
Ages 18 to 40 yearsHealthy volunteers can take part
Conditions the study is for
Effect of Drug
What is being tested?
Lidocaine topical and Lidocaine Hydrochloride
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
1 sitePakistan
Study dates
20 Jul 2018to 14 Aug 2020
Phase
Early Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 40 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Adults aged 18-40 years,
  • Patients having a vital maxillary premolar, canine or incisor.
  • Patients having Class 1,2,3,4 or 5 restorations (G.V. Black).95
  • Patients having heart rate between 55 and 100 beats per min.
  • Patients with a seated Systolic blood pressure between 95 and 150 mm Hg and diastolic blood pressure between 60 and 100 mm of Hg. (Although short-term use of topical alpha-2 agonists like xylometazoline has no systemic toxicity and are available as over the counter drugs but long-term abuse has been reported to cause systemic vasoconstriction and cardiovascular complications like hypertensive crisis therefore the cut off limit has been selected for blood pressure).
  • Teeth with no radiographic evidence of pulpal or periapical pathosis.
  • Patients having ICDAS caries detection score of 4, 5 or 6.
  • Patients who fulfilled alcohol sniff test criterion.

Who cannot join

  • Patients with Upper respiratory tract infection.
  • Patients with Uncontrolled thyroid disease.
  • Patients having a known allergy to any of the components used in the solution.
  • Pregnant or breast feeding patients.
  • Those patients having 5 or more nosebleeds per month.
  • Patients who received any local anesthetic/analgesic within 24 hours of study drug administration.

Trial locations and contacts

1 site in 1 country.

Pakistan1 site
  • Dow University of Health Sciences

    Karachi, Sindh

Other trials in Pakistan

About this study

Official title: Efficacy of Lidocaine and Xylometazoline Intranasal Spray in Anesthetizing Maxillary Teeth: An Open Label Randomized Controlled Trial

Different anesthetic techniques are used for achieving pulpal anesthesia of maxillary teeth. Recently tetracaine and oxymetazoline were used as local anesthetic agents in the form of an intranasal spray to achieve pulpal anesthesia of maxillary teeth. However tetracaine has its share of demerits, therefore we in our study have used lidocaine with xylometazoline in the form of an intranasal spray to achieve local anesthesia of maxillary anterior and premolar teeth for restorative procedures.

The objective of the study was to evaluate the efficacy of 4% lidocaine and 0.1% xylometazoline intranasal spray solution as compared to injectable 2% lidocaine with 1:100,000 epinephrine solution in anesthetizing maxillary anterior \& premolar teeth for dental restorative procedures.

Read more

METHODS:

A total of 60 patients were enrolled in the study. Consecutive sampling was done for the study participants who met the inclusion criteria. 30 patients were randomized each to lidocaine/Xylometazoline or control local anesthesia group. Group A participants received 4% Lidocaine and 0.1% Xylometazoline solution as intranasal spray while Group B participants received injectable local anesthesia. Group 'A' participants received two doses of intranasal spray anesthesia four minutes apart. Local anesthesia was then assessed by probing soft tissues adjacent to the tooth and reading was taken on the Visual Analog Scale. If the reading was '0' the cavity preparation was performed. If the VAS reading was more than '0' a third dose of intranasal spray anesthesia was delivered. Local anesthesia was again assessed after ten minutes. If profound local anesthesia was still not achieved the case was labeled as failure of intranasal spray anesthesia and local anesthesia was achieved by conventional infiltration anesthesia. For Group B participants, local anesthesia was achieved by means of conventional infiltration anesthesia. Data were recorded on a designed proforma.

Chi-square test and Fischer exact test were applied to see the difference of efficacy among the two groups and any influence of variables (age group, gender, tooth location, cavity classification, ICDAS score or the number of sprays required to produce local anesthesia) on the efficacy.

Read the detailed description

Different anesthetic techniques are used for achieving pulpal anesthesia of maxillary teeth. The most commonly used technique is the infiltration anesthesia that currently is the gold standard. However, infiltration uses a dental needle that is associated with its de merits also. This led to the discovery of novel methods to anesthetize teeth with smaller diameter needles or computerized delivery of local anesthesia. Recently tetracaine and oxymetazoline were used as local anesthetic agents in the form of an intranasal spray to achieve pulpal anesthesia of maxillary teeth. However tetracaine has its share of demerits, therefore we in our study have used lidocaine with xylometazoline in the form of an intranasal spray to achieve local anesthesia of maxillary anterior and premolar teeth for restorative procedures.

OBJECTIVES:

The objective of the study was to evaluate the efficacy of 4% lidocaine and 0.1% xylometazoline intranasal spray solution as compared to injectable 2% lidocaine with 1:100,000 epinephrine solution in anesthetizing maxillary anterior \& premolar teeth for dental restorative procedures.

METHODS:

This open label randomized controlled trial was performed at the Department of Operative Dentistry, Dr.Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences Karachi between July 2018 and June 2020.

A total of 60 patients were enrolled in the study. Consecutive sampling was done for the study participants who met the inclusion criteria. 30 patients were randomized each to lidocaine/Xylometazoline or control local anesthesia group. Group A participants received 4% Lidocaine and 0.1% Xylometazoline solution as intranasal spray while Group B participants received injectable local anesthesia. Group 'A' participants received two doses of intranasal spray anesthesia four minutes apart. Local anesthesia was then assessed by probing soft tissues adjacent to the tooth and reading was taken on the Visual Analog Scale. If the reading was '0' the cavity preparation was performed. If the VAS reading was more than '0' a third dose of intranasal spray anesthesia was delivered. Local anesthesia was again assessed after ten minutes. If profound local anesthesia was still not achieved the case was labeled as failure of intranasal spray anesthesia and local anesthesia was achieved by conventional infiltration anesthesia. For Group B participants, local anesthesia was achieved by means of conventional infiltration anesthesia. Data were recorded on a designed proforma.

SPSS v16 was used to analyze the data with level of significance set at p<0.05. Demographic data were analyzed upon the basis of frequency and percentages. Chi-square test and Fischer exact test were applied to see the difference of efficacy among the two groups and any influence of variables (age group, gender, tooth location, cavity classification, ICDAS score or the number of sprays required to produce local anesthesia) on the efficacy.

Conditions
Effect of Drug
Being tested
Lidocaine topical, Lidocaine Hydrochloride

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Lidocaine topicalDrug

    Also called xylometazoline intranasal OTC decongestant

    intranasal spray anesthesia will be administered for achieving pulpal local anesthesia of maxillary anterior and premolar teeth. Xylometazoline OTC decongestant will be used to prolong the duration of anesthesia

  • Lidocaine HydrochlorideDrug

    Also called gold standard local anesthesia

    injectable local anesthesia will be administered to achieve pulpal local anesthesia of maxillary anterior and premolar teeth

Study groups in NCT04732104
Study groupRoleWhat they receive
intranasal spray anesthesiaExperimentalintranasal lidocaine lidocaine 4% topical
Receives: Drug: Lidocaine topical
injectable local anesthesiaActive comparatorgold standard infiltration local anesthesia (2% lidocaine with 1:100,000 epinephrine)
Receives: Drug: Lidocaine Hydrochloride

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Achievement of local anesthesia

    local anesthesia will be assessed with the help of Visual Analog Scale. VAS score must be '0' before cavity preparation must begin

    Measured: First reading on VAS will be taken after administering 2 intranasal sprays i.e. 14 minutes after administration of the first spray

  2. Achievement of local anesthesia

    local anesthesia will be assessed with the help of Visual Analog Scale. VAS score must be '0' before cavity preparation must begin

    Measured: If needed, second reading on VAS will be taken after administering 3 intranasal sprays i.e. 24 minutes after administration of the first spray

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Feb 2021
  2. Study start20 Jul 2018
  3. Primary completion30 Jun 2020
  4. Study completion14 Aug 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Early Phase 1
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04732104
Sponsor's protocol ID
UWahid
Status last verified
Jan 2021
First submitted
14 Jan 2021
Last updated
1 Feb 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Early Phase 1 study testing Lidocaine topical and Lidocaine Hydrochloride in people with Effect of Drug, run by Dow University of Health Sciences at 1 site in Pakistan.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 Feb 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Pakistan. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Achievement of local anesthesia (time frame: First reading on VAS will be taken after administering 2 intranasal sprays i.e. 14 minutes after administration of the first spray). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Feb 2021.

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