Phase 3 Chronic Kidney Disease Trial, Completed NCT00416520 Sponsor: Tanabe Pharma Corporation Condition: Chronic Kidney Disease
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Trial results

AI generated results summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

According to the results reported on ClinicalTrials.gov, this trial involved two main stages. In the first stage (the "open-label period"), 165 people received a treatment called MCI-196 and 171 people received a treatment called sevelamer. In the second stage (the "placebo-controlled withdrawal period"), participants who had been on MCI-196 were split into two groups: 50 continued on MCI-196 and 54 received a placebo (an inactive substitute with no medicine in it). This second stage was designed to measure what happened to phosphorus levels in the blood — a mineral that the kidneys normally help control — when some people stayed on MCI-196 and others switched to a placebo. The reported data shows the following numbers for the main (primary) outcome, which looked at how blood phosphorus levels changed between week 12 and week 16 of the study. Among those who continued on MCI-196, phosphorus levels fell by an average of 0.24 mg/dL. Among those who switched to placebo, phosphorus levels rose by an average of 1.27 mg/dL. For the secondary outcome — which looked at how phosphorus levels changed from the very start of the study to week 12 — the reported data shows that the MCI-196 group had an average decrease of 1.12 mg/dL, while the sevelamer group had an average decrease of 2.16 mg/dL. These numbers describe what was measured and recorded in the study under its specific conditions, and it is worth noting that not all participants completed each stage — for example, 60 people in the MCI-196 open-label group did not finish that period. These are the results as reported to ClinicalTrials.gov. They are not medical advice — always discuss what they mean for you with your doctor.

These are the results as reported to ClinicalTrials.gov, not medical advice. Verify independently with the trial site and discuss what they mean for you with your doctor.

Phase 3 Chronic Kidney Disease Trial, Completed

NCT00416520
Completed Phase 3 🇦🇺 Australian site

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • You are a man or woman aged 18 or older
  • You are on haemodialysis or peritoneal dialysis (kidney filtering treatments) and your condition is stable
  • Your phosphate levels are being managed and are stable
  • You are following a set diet to control your phosphorus intake
  • If you are a woman who could become pregnant, you have a negative pregnancy blood test before joining
  • If you are a man, you must agree to use appropriate contraception during the trial

Who may not be able to join:

  • You have a serious medical condition that could put you at risk, affect your safety, or interfere with the study (the trial doctor will decide this)
  • Your Body Mass Index (BMI — a measure of body weight relative to height) is very low (16 or below) or very high (40 or above)
  • You currently have or have had significant problems with how your digestive system moves food through your body
  • You have tested positive for HIV 1 or HIV 2
  • You have had problems with alcohol or drug misuse within the past year
  • You have a seizure disorder (such as epilepsy)
  • You have a history of allergies to drugs or other substances
  • You are using a temporary catheter to access your blood for dialysis
  • You have taken part in a clinical trial using an experimental medication in the last 30 days, or an experimental biological treatment in the last 90 days

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 19 July 2026
Phase 3: approximately ~65% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Professor, Information at Mitsubishi Pharma Europe

Australian sites

, Adelaide,
, Nedlands,
, Parkville,
, St Leonards,
, Sydney,
, Woolloongabba,

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Completed
Phase
Phase 3
Sponsor
Tanabe Pharma Corporation
Registry
ClinicalTrials.gov
Start date
1 June 2007
Est. completion
1 November 2009

Where this trial is recruiting

🇦🇺 Australia 🇦🇹 Austria 🇨🇿 Czechia 🇫🇷 France 🇩🇪 Germany 🇭🇺 Hungary 🇮🇹 Italy 🇵🇱 Poland 🇿🇦 South Africa 🇪🇸 Spain 🇬🇧 United Kingdom

6 site(s) in Australia. Confirm current status and contact details directly with the trial site.

Primary endpoints

Change in Serum Phosphorus Levels From Week 12 to Week 16 (LOCF) (ITT2)

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 19 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov