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UrolithiasisPhase 4NCT03007160

A Study on the Effection of Potassium Citrate Extended-release Tablets on Urolithiasis Formation or Recurrence

A Phase 4 study testing Potassium Citrate Extended-release Tablets in people with Urolithiasis, run by Dawnrays Pharmaceutical (Holdings) Limited at 6 sites in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Assess the efficacy and safety of potassium citrate extended-release tablets on Urolithiasis formation or recurrence. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Urolithiasis
What is being tested?
Potassium Citrate Extended-release Tablets
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
2,001 participants
Where
6 sitesChina
Study dates
Jul 2016to Sep 2020
Phase
Phase 4
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 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients with upper urinary tract calculi surgery and/or ESWL within 3 months;
  • Stone free or had residual stone fragments with a less than 4 mm diamete;
  • 18-70 years of age; the gender is not limited;
  • Agree to take effective contraceptive measures during the study period, and female of childbearing age whose pregnancy test is negative;
  • Subjects with no mental illness and language dysfunction, can understand the situation of the study and have signed informed consent.

Who cannot join

  • Patients with infectious stones, medical stones and urinary tract obstruction;
  • Patients with hyperkalemia (K+>5.5mmol/L) (or patients with factors or disease that can cause hyperkalemia), because the further increase in blood potassium can lead to cardiac arrest. These factors include disease or strenuous exercise, chronic renal failure, uncontrolled diabetes, acute dehydration, excessive, adrenal insufficiency, extensive tissue failure. Patients who takes potassium sparing diuretics (such as triamterene, spironolactone, amiloride);
  • Patients with gastrointestinal disorders, such as peptic ulcer, severe vomiting, diarrhea, delayed gastric emptying, intestinal obstruction, etc.;
  • Combined with cardiovascular, liver, kidney, hematopoietic system, such as severe primary disease, or known to affect the survival of serious diseases (such as cancer or AIDS), or patients with with disabilities mentally or legally;
  • Patients with renal insufficiency (1.2 times the upper limit of the normal value of serum creatinine and urea nitrogen);
  • The recent (within 6 months) with family planners;
  • Allergic to this product;
  • To participate in other clinical trials in the past three months.

Trial locations and contacts

6 sites in 1 country.

Zhangqun YE, M.D. contact

(+86)13507191761

zhangqun_ye@163.com

6 sites in 1 country

China6 sites, 5 recruiting
  • The Fifth Affiliated Hospital of Guangzhou Medical University

    Guangzhou, Guangdong

    Dehui LAI, (+86)13570508863, dehuilai@hotmail.com

    Yongzhong HE

    Recruiting
  • Zhejiang Xiaoshan Hospital

    Hangzhou, Zhejiang

    Xing WANG, (+86)18058806706, fly115135@sohu.com

    Yi FAN

    Recruiting
  • Shanghai Ninth People's Hospital,Shanghai Jiaotong University School of Medicine

    Shanghai, Shanghai Municipality

    Mingxi XU, (+86)18221683312, xuhuaneric@126.com

    Zhong WANG

    Recruiting
  • Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology

    Wuhan, Hubei, 430030

    Xiaolin GUO, M.D., (+86)13886042051, guoxiaolin0488@sina.com

    Zhangqun YE, M.D.

    Recruiting
  • Wuhan No.1 Hospital(Wuhan Integrated TCM & Western Medicine Hospital)

    Wuhan, Hubei

    Active, not recruiting
  • The Second Affiliated Hospital of Zhengzhou University

    Zhengzhou, Henan

    Changwei LIU, (+86)13526709425, lcw8001@126.com

    Changbao XU

    Recruiting

Other trials in China

About this study

Official title: A Randomized, Blank Controlled, Multicenter Clinical Trial of the Effection of Potassium Citrate Extended-release Tablets on Urolithiasis Formation or Recurrence

Assess the efficacy and safety of potassium citrate extended-release tablets on Urolithiasis formation or recurrence.

Read the detailed description

This study takes "Rate of stone recurrence" as primary outcome measure, by random, blank control, and multicenter clinical trial design method, assess the efficacy and safety of potassium citrate extended-release tablets on Urolithiasis formation or recurrence, provide evidence for drug re-registration, and observe its efficacy on Urinary calculi such as renal tubular acidosis with calcium stone, and uric acid stones with or without calcium stone, urinary tract stone of effectiveness.

Conditions
Urolithiasis
Being tested
Potassium Citrate Extended-release Tablets
Medical subject headings
Urolithiasis

What participants receive

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

  • Potassium Citrate Extended-release TabletsDrug

    Also called Juyuansuanjia Huanshi Pian

    Daily 3.24g, Po ,Tid, each 1.08g/tablets

Study groups in NCT03007160
Study groupRoleWhat they receive
Experimental groupExperimentalPotassium Citrate Extended-release Tablets
Receives: Drug: Potassium Citrate Extended-release Tablets
Blank control groupNo interventionSubjects do not take the investigational product

What is being measured

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

  1. Rate of Urolithiasis recurrence

    Measured: through study completion, an average of 1 year

Secondary outcomes (3)
  1. Time of stone recurrence

    Measured: through study completion, an average of 1 year

  2. The changes of urine citric acid content compared with baseline

    Measured: through study completion, an average of 1 year

  3. The changes of Urine pH value compared with baseline

    Measured: through study completion, an average of 1 year

Timeline

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

  1. First posted2 Jan 2017 (estimated)
  2. Study startJul 2016
  3. Primary completionSep 2020 (estimated)
  4. Study completionSep 2020 (estimated)

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 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
2,001 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03007160
Sponsor's protocol ID
DAWNRAYS101
Status last verified
Jan 2018
First submitted
13 Dec 2016
Last updated
1 Feb 2018
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Publications

  • Sfoungaristos S, Gofrit ON, Yutkin V, Pode D, Duvdevani M. Prevention of renal stone disease recurrence. A systematic review of contemporary pharmaceutical options. Expert Opin Pharmacother. 2015 Jun;16(8):1209-18. doi: 10.1517/14656566.2015.1037740. Epub 2015 Apr 16.

    PubMed 25881654
  • Soygur T, Akbay A, Kupeli S. Effect of potassium citrate therapy on stone recurrence and residual fragments after shockwave lithotripsy in lower caliceal calcium oxalate urolithiasis: a randomized controlled trial. J Endourol. 2002 Apr;16(3):149-52. doi: 10.1089/089277902753716098.

    PubMed 12028622
  • Lee YH, Huang WC, Tsai JY, Huang JK. The efficacy of potassium citrate based medical prophylaxis for preventing upper urinary tract calculi: a midterm followup study. J Urol. 1999 May;161(5):1453-7.

    PubMed 10210371
  • Fabris A, Lupo A, Bernich P, Abaterusso C, Marchionna N, Nouvenne A, Gambaro G. Long-term treatment with potassium citrate and renal stones in medullary sponge kidney. Clin J Am Soc Nephrol. 2010 Sep;5(9):1663-8. doi: 10.2215/CJN.00220110. Epub 2010 Jun 24.

    PubMed 20576821
  • Bartoletti R, Cai T, Mondaini N, Melone F, Travaglini F, Carini M, Rizzo M. Epidemiology and risk factors in urolithiasis. Urol Int. 2007;79 Suppl 1:3-7. doi: 10.1159/000104434.

    PubMed 17726345

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Potassium Citrate Extended-release Tablets in people with Urolithiasis, run by Dawnrays Pharmaceutical (Holdings) Limited at 6 sites in China.

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 5 inclusion and 8 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: status not confirmed, as of the sponsor's last update on 1 Feb 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in China. 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?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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

Are results available for this study?

Results are not available in the source record.

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

Contact Zhangqun YE, M.D. ((+86)13507191761, zhangqun_ye@163.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Rate of Urolithiasis recurrence (time frame: through study completion, an average of 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03007160, which also lists 5 linked publications.

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 2018.

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