Observational Study on Treatment of Metastatic Colorectal Cancer and the Role of K-Ras (CALLAS)
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ClinicalTrials.gov Identifier: NCT01651013 |
Recruitment Status : Unknown
Verified November 2015 by National Cancer Institute, Naples.
Recruitment status was: Recruiting
First Posted : July 26, 2012
Last Update Posted : November 26, 2015
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Condition or disease |
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Metastatic Colorectal Cancer |
Study Type : | Observational |
Estimated Enrollment : | 500 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Multicentered Observational Prospective Cohort Study on the Treatment of Metastatic Colorectal Cancer and the Role of Evaluating K-Ras |
Study Start Date : | October 2010 |
Estimated Primary Completion Date : | October 2016 |
Estimated Study Completion Date : | October 2016 |

Group/Cohort |
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metastatic colorectal cancer |
- percentage of patients enrolled in a clinical trial [ Time Frame: two years ]
- percentage of patients who undergo K-Ras mutation study [ Time Frame: 2 years ]
- Percentage of patients with K-Ras mutation [ Time Frame: 2 years ]
- metastatic colorectal cancer treatments used in clinical practice, according to participating center [ Time Frame: 2 years ]
- patient outcome according to K-Ras status [ Time Frame: two years ]
- estimated costs per treatment per center [ Time Frame: 2 years ]
- disease outcome per patient per treatment received [ Time Frame: 2 years ]
- factors that influence patient prognosis [ Time Frame: 2 years ]exploratory analyses
- predictive factors for response to treatment [ Time Frame: 5 years ]exploratory analyses

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- Histologic diagnosis colorectal carcinoma
- Metastatic disease
- Signed informed consent
Exclusion Criteria:
- Prior treatment of metastatic colorectal cancer
- Refusal or incapability of providing informed consent

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01651013
Contact: Francesco Perrone, M.D., Ph.D. | +39 081 5903571 | francesco.perrone@usc-intnapoli.net | |
Contact: Marilina Piccirillo, M.D. | +39 081 5903383 | marilina.piccirillo@usc-intnapoli.net |
Italy | |
A.O.G. Rummo | Recruiting |
Benevento, Italy | |
Istituto Nazionale dei Tumori , Oncologia Medica - Dipartimento Entero-proctologico | Recruiting |
Napoli, Italy | |
Ospedale Civile Umberto I | Recruiting |
Nocera Inferiore, Italy | |
C:R.O. Regione Basilicata Ospedale Giustino Fortunato | Recruiting |
Rionero in Vulture, Italy |
Principal Investigator: | R. V. Iaffaioli, M.D. | National Cancer Institute, Naples | |
Principal Investigator: | G. Nasti, M.D. | National Cancer Institute, Naples | |
Principal Investigator: | M. C. Piccirillo, M.D. | National Cancer Institute, Naples |
Responsible Party: | National Cancer Institute, Naples |
ClinicalTrials.gov Identifier: | NCT01651013 |
Other Study ID Numbers: |
CALLAS |
First Posted: | July 26, 2012 Key Record Dates |
Last Update Posted: | November 26, 2015 |
Last Verified: | November 2015 |
Colorectal Neoplasms Intestinal Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Neoplasms by Site Neoplasms |
Digestive System Diseases Gastrointestinal Diseases Colonic Diseases Intestinal Diseases Rectal Diseases |