NCT01215708

Brief Summary

The investigators objective is to study if some drugs can improve the success rate of extracorporeal shockwave lithotripsy for renal stones.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
136

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Aug 2006

Typical duration for phase_3

Geographic Reach
1 country

1 active site

Status
unknown

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

August 1, 2006

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2010

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

October 5, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 6, 2010

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2010

Completed
Last Updated

October 6, 2010

Status Verified

September 1, 2010

Enrollment Period

3.8 years

First QC Date

October 5, 2010

Last Update Submit

October 5, 2010

Conditions

Keywords

Kidney calculiLithotripsyCalcium channel blockersAdrenergic alpha-antagonists.

Outcome Measures

Primary Outcomes (1)

  • To evaluate the effects of Tamsulosin and Nifedipine in the success rates after treatment of radiopaque renal stones between 5-20 mm with only one session of SWL

    30 days

Secondary Outcomes (2)

  • To evaluate the effects of Tamsulosin and Nifedipine in the episodes of pain after treatment of radiopaque renal stones between 5-20 mm with only one session of SWL

    30 days

  • To evaluate the effects of Tamsulosin and Nifedipine in the velocity of elimination of fragments after treatment of radiopaque renal stones between 5-20 mm with only one session of SWL

    30 days

Study Arms (3)

Nifedipine

ACTIVE COMPARATOR

nifedipine retard 20mg daily

Drug: Tamsulosin

tamsulosin

ACTIVE COMPARATOR

tamsulosin 0,4mg

Drug: Tamsulosin

placebo

PLACEBO COMPARATOR

placebo capsule

Drug: Tamsulosin

Interventions

tamsulosin 0,4mg every night for 30 consecutive days

Also known as: secotex
Nifedipineplacebotamsulosin

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • radiopaque renal stone, 5 to 20 mm, located at renal pelvis or superior or middle calix

You may not qualify if:

  • inferior calix, any contraindication for extracorporeal shockwave lithotripsy, pregnancy, coagulopathy, previous renal surgery, age under 18, abdominal aorta aneurism and urinary infection.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinics Hospital of University of Sao Paulo

São Paulo, São Paulo, 05403900, Brazil

Location

MeSH Terms

Conditions

Kidney Calculi

Interventions

Tamsulosin

Condition Hierarchy (Ancestors)

NephrolithiasisKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesUrolithiasisUrinary CalculiMale Urogenital DiseasesCalculiPathological Conditions, AnatomicalPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

BenzenesulfonamidesSulfonamidesAmidesOrganic ChemicalsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsSulfonesSulfur Compounds

Study Officials

  • Miguel Srougi, MD

    University of Sao Paulo

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

October 5, 2010

First Posted

October 6, 2010

Study Start

August 1, 2006

Primary Completion

June 1, 2010

Study Completion

December 1, 2010

Last Updated

October 6, 2010

Record last verified: 2010-09

Locations