NCT01021176

Brief Summary

The purpose of this study is to determine whether the blood pressure medication, diltiazem, will temporarily decrease the sense of smell when given in a nasal spray which will then reduce food intake.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Oct 2009

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2009

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2009

Completed
23 days until next milestone

First Submitted

Initial submission to the registry

November 24, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 26, 2009

Completed
Last Updated

December 18, 2015

Status Verified

December 1, 2015

Enrollment Period

1 month

First QC Date

November 24, 2009

Last Update Submit

December 17, 2015

Conditions

Keywords

Food IntakeHungerLidocaineNosesmell

Outcome Measures

Primary Outcomes (1)

  • Evidence of blood pressure medication, diltiazem, will temporarily decrease the sense of smell when given in a nasal spray.

    3 weeks

Study Arms (4)

0mg 0 spray

PLACEBO COMPARATOR

No Diltiazem

Other: Placebo spray

2mg 2 Spray

ACTIVE COMPARATOR

Staff member will administer an atomizer (device that changes a liquid into a fine spray) that will go into both nostrils. The atomizer will contain diltiazem, RxC Use 2mg/2 spray Diltiazem

Drug: Diltiazem

4mg 4 Spray

ACTIVE COMPARATOR

Staff member will administer an atomizer (device that changes a liquid into a fine spray) that will go into both nostrils. The atomizer will contain diltiazem, RxC Use 4mg/4 spray Diltiazem

Drug: Diltiazem

8mg 8 spray

ACTIVE COMPARATOR

Staff member will administer an atomizer (device that changes a liquid into a fine spray) that will go into both nostrils. The atomizer will contain diltiazem, RxC Use 8mg/8 spray Diltiazem

Drug: Diltiazem

Interventions

0, 30, 60, 90, 120, 180, and 240 minutes following the nasal spray yet no drug will be administered

Also known as: Placebo
0mg 0 spray

0, 30, 60, 90, 120, 180, and 240 minutes following the nasal spray Three Dilutions would be 5.5, 6.0 and 6.3 and the fourth at the filp of a coin randomly diluted.

Also known as: 5.5, 6.0, 6.3 and/or one more randomly
2mg 2 Spray4mg 4 Spray8mg 8 spray

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Body mass index (BMI) between 25 and 40 kg
  • Blood pressure in within normal range

You may not qualify if:

  • Used tobacco products in the past month
  • Used a calcium channel blocker medication in the last month
  • used nasal sprays in the last month
  • have an abnormal sense of smell or abnormalities of the lining in your nose
  • female and have irregular menstrual periods
  • female and are nursing a baby or pregnant
  • female and have had a partial hysterectomy (still have ovaries)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pennington Biomedical Research Center

Baton Rouge, Louisiana, 70808, United States

Location

MeSH Terms

Conditions

Anosmia

Interventions

Diltiazem

Condition Hierarchy (Ancestors)

Olfaction DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

BenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Frank L. Greenway, MD

    Pennington Biomedical Research Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

November 24, 2009

First Posted

November 26, 2009

Study Start

October 1, 2009

Primary Completion

November 1, 2009

Study Completion

November 1, 2009

Last Updated

December 18, 2015

Record last verified: 2015-12

Locations