Rectal Cancer And Pre-operative Induction Therapy Followed by Dedicated Operation. The RAPIDO Trial
Public ClinicalTrials.gov record NCT01558921. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Randomized Multicentre Phase III Study of Short Course Radiation Therapy Followed by Prolonged Pre-operative Chemotherapy and Surgery in Primary High Risk Rectal Cancer Compared to Standard Chemoradiotherapy and Surgery and Optional Adjuvant Chemotherapy.
Study identification
- NCT ID
- NCT01558921
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- University Medical Center Groningen
- Other
- Enrollment
- 920 participants
Conditions and interventions
Conditions
Interventions
- M1 scheme Other
- standard long course chemoradiotherapy Other
Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 20, 2011
- Primary completion
- Mar 7, 2020
- Completion
- Dec 30, 2026
- Last update posted
- Apr 30, 2026
2011 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Siteman Cancer Center, Washington University Medical School | St Louis | Missouri | 63110 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 55 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01558921, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 30, 2026 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01558921 live on ClinicalTrials.gov.