Comparison · NCT00410761-c7130c1b
Vandetanib 300 mg vs Placebo: Objective Response Rate (ORR)
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Vandetanib 300 mg vs Placebo: Objective Response Rate (ORR). Trial comparisons, record NCT00410761-c7130c1b. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00410761-c7130c1b
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.45 | 0.387 | 0.515 | wilson | |
| Risk in group 2 | 0.13 | 0.0776 | 0.21 | wilson | |
| Risk difference, group 1 minus group 2 | 0.32 | 0.219 | 0.403 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 3.46 | 2.05 | 5.86 | log | |
| Odds ratio, group 1 over group 2 | 5.48 | 2.9 | 10.4 | log | |
| Number needed to treat, for one more participant with the outcome on Vandetanib 300 mg than on Placebo | 3.12 | 2.48 | 4.57 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Vandetanib 300 mg | Vandetanib (300 mg daily) | 104 | 231 | OG000 |
| Group 2 | Placebo | Placebo daily | 13 | 100 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Objective Response Rate (ORR)
- Description
The ORR is the number of patients that are responders ie those patients with a confirmed best objective response of complete response (CR) or partial response (PR) as defined by RECIST criteria.~The categories for best objective response are CR, PR, stable disease (SD)\>= 12 weeks, progressive disease (PD) or NE.
- Time frame
RECIST assessments performed at screening (within 3 weeks before randomisation), then every 12 weeks. For patients with objective response of CR or PR, an additional confirmatory scan was performed ≥4 weeks following the date of first response.
- Population
Source ClinicalTrials.gov
Trial
- Title
- An Efficacy Study Comparing ZD6474 to Placebo in Medullary Thyroid Cancer
- NCT number
- NCT00410761
- Phases
- PHASE3
- Conditions
- Thyroid Cancer
- Interventions
- ZD6474 (Vandetanib)
- Lead sponsor
- Genzyme, a Sanofi Company
- Results first posted
- 2012-03-26
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00410761?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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