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Kidney StonesNCT01088555

Effect of Sodium Thiosulfate on Urine Chemistries of Hypercalciuric Stone Formers

A study testing Sodium thiosulfate in people with Kidney Stones, run by VA New York Harbor Healthcare System at 1 site in United States.

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

Sodium thiosulfate may be useful to prevent recurrence of calcium-containing kidney stones. It will be studied in people with high amounts of urine calcium. Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Kidney Stones
What is being tested?
Sodium thiosulfate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
10 participants
Where
1 siteUnited States
Study dates
Nov 2009to Dec 2011
Phase
Interventional
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 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Control arm: no longer recruiting
  • Hypercalciuria arm:
  • Age 18-80 years old
  • history of calcium-containing kidney stones
  • no history of liver, heart or kidney disease (other than kidney stones)
  • Non-pregnant, non-lactating
  • Able to stop diuretics for a period of 1 week

Who cannot join

  • Not able to sign consent
  • Not satisfying any of the above criteria

Trial locations and contacts

1 site in 1 country.

United States1 site
  • VA New York Harbor Healthcare System

    New York, New York, 10010

Other trials in United States

About this study

Official title: Pilot Study : Effect of Sodium Thiosulfate on Urine Chemistries of Hypercalciuric Stone Formers

Sodium thiosulfate may be useful to prevent recurrence of calcium-containing kidney stones. It will be studied in people with high amounts of urine calcium.

Read the detailed description

The investigators study is designed as a pilot study to study the effect of STS on urine chemistries in stone formers and normal controls. It is expected to continue for a duration of 1 year and will have two groups: 20 normal controls, who are healthy subjects without known kidney disease or nephrolithiasis, and 20 subjects with documented recurrent nephrolithiasis and hypercalciuria. Patients will be recruited from Dr Goldfgarb's stone clinic at VA Hospital and controls would be voluntary participants from NYU School of Medicine. Subjects who are pregnant or nursing, taking alcohol or drugs, have known CKD or are unable to give consent would be excluded from the study. Any diuretics or citrate containing drugs would be held for a period of 2 weeks during the study period to achieve washout of the effects of those drugs on urine chemistries. Oral STS 10mmol (10ml of 25% STS) BID will be administered to both groups for 7 days; four 24 hour urine collections, 2 prior and 2 at the end of the study, would be done with all participants. A diet diary would be maintained by subjects concomitantly during the study periods. The investigators then plan to compare the two groups in terms of urine chemistries to detect any changes in these parameters with thiosulfate administration. Based on prior animal experiments and human studies with STS the investigators anticipate that it would have a favorable effect on the supersaturation of Ca oxalate/phosphate and therefore its long term use would be helpful in preventing nephrolithiasis.

Conditions
Kidney Stones
Being tested
Sodium thiosulfate
Keywords
nephrolithiasis, calcium stones, kidney stones, hypercalciuria, sodium thiosulfate, Calcium containing kidney stones
Medical subject headings
Kidney Calculi, Nephrolithiasis, Hypercalciuria

What participants receive

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

  • Sodium thiosulfateDrug

    Oral administration of sodium thiosulfate pentahydrate 5% solution (American Regent) 10ml BID x 7 days

Study groups in NCT01088555
Study groupRoleWhat they receive
Control groupActive comparatorHealthy subjects with no history of kidney stones, heart liver or kidney disease, not pregnant /lactating.
Receives: Drug: Sodium thiosulfate
Stone formersActive comparatorHistory of calcium containing kidney stones, hypercalciuria on previous urine tests, no heart /liver / kidney disease, not pregnant/lactating
Receives: Drug: Sodium thiosulfate

What is being measured

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

  1. Change in supersaturation of calcium oxalate / phosphate

    Measured: 1 week

Timeline

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

  1. First posted17 Mar 2010 (estimated)
  2. Study startNov 2009
  3. Primary completionDec 2011
  4. Study completionDec 2011

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
Phase N/A
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
10 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01088555
Sponsor's protocol ID
01098
Status last verified
Dec 2013
First submitted
16 Mar 2010
Last updated
24 Dec 2013
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A study testing Sodium thiosulfate in people with Kidney Stones, run by VA New York Harbor Healthcare System at 1 site in United States.

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 7 inclusion and 2 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 24 Dec 2013. 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 United States. 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.

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?

Change in supersaturation of calcium oxalate / phosphate (time frame: 1 week). 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 24 Dec 2013.

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