OsteosarcomaPhase 2NCT00145639
Osteosarcoma1999-A Study Of Intensive Chemotherapy for Osteosarcoma
A Phase 2 study testing Ifosfamide, Carboplatin, Doxorubicin and Limb Sparing in people with Osteosarcoma, run by St. Jude Children's Research Hospital at 4 sites in 2 countries.
Trial summary
This trial (OS99) evaluates the use of ifosfamide, carboplatin, and doxorubicin in an up-front window before surgery for localized and resectable osteosarcoma. High-dose methotrexate, which may interfere with the dose-intensive delivery of other agents, is eliminated from the treatment of localized disease. Read more about this study
- Who is it for?
- Ages Up to 25 years
- Conditions the study is for
- Osteosarcoma
- What is being tested?
- Ifosfamide, Carboplatin, Doxorubicin and Limb Sparing
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 80 participants
- Where
- 4 sitesin 2 countries
- Study dates
- May 1999to May 2006
- Phase
- Phase 2
- 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 Up to 25 years
- All sexes
- No healthy volunteers
- Child, Adult
Who may be able to join
- All subjects with histologically proven high-grade osteosarcoma,chondrosarcoma, MFH, fibrosarcoma or chondrosarcoma of bone, whose tumors are potentially resectable (either by limb sparing, en bloc resection, or amputation) and have no evidence of metastasis.
- Adequate liver, renal and cardiac function.
- Age: Younger than 25 years old
Who cannot join
- Prior chemotherapy
Trial locations and contacts
4 sites in 2 countries.
4 sites in 2 countries
United States3 sites
Arkansas Children's Hospital
Little Rock, Arkansas, 72202
St.Jude Children's Research Hospital
Memphis, Tennessee, 38105
Washington University Medical Center
St Louis, Missouri, 63110
About this study
Official title: Osteosarcoma 1999-A Study Of Intensive Chemotherapy Utilizing Ifosfamide, Carboplatin, and Doxorubicin for Adjuvant Chemotherapy for Treatment of Osteosarcoma
This trial (OS99) evaluates the use of ifosfamide, carboplatin, and doxorubicin in an up-front window before surgery for localized and resectable osteosarcoma. High-dose methotrexate, which may interfere with the dose-intensive delivery of other agents, is eliminated from the treatment of localized disease. The primary objective is to compare the response rate of pre-surgical chemotherapy comprised of ifosfamide, doxorubicin, and carboplatin to that obtained with ifosfamide and carboplatin in the St. Jude OS-91 trial for patients with non-metastatic resectable osteosarcoma. We hypothesize that the histologic response rate will be improved by the addition of one course of pre-operative chemotherapy on this trial compared to the previous OS-91 trial.
Read the detailed description
This study has multiple research objectives:
- To compare the response rate of pre-surgical chemotherapy comprised of ifosfamide, doxorubicin, and carboplatin to that obtained with ifosfamide and carboplatin in the St. Jude OS-91 trial for patients with non-metastatic resectable osteosarcoma
- To continue the evaluation of dynamic contrast-enhanced magnetic resonance imaging (DEMRI) in predicting tumor response and accurately assessing the degree of response (continued from OS-91).
- To determine the feasibility of delivering outpatient-based chemotherapy for osteosarcoma using ifosfamide-doxorubicin-carboplatin.
- To determine whether resection of the primary site may be satisfactorily performed with a 3 cm margin of normal bone (rather than 5 cm).
- To study biologic and biochemical characteristics of the tumor cells that may be of prognostic significance
- To study the patients' and parents' perspectives of the patients' quality of life during and after treatment.
Description of Treatment Plan:
This study employs the following treatment strategy: neoadjuvant chemotherapy followed by definitive surgery for local control and adjuvant chemotherapy after tumor resection.
Pre-operative chemotherapy phase (weeks 0-12): Three courses of ifosfamide/carboplatin given every 3 weeks followed by one 3-week course of doxorubicin.Disease evaluation is performed after 3 courses and after 4 courses of chemotherapy.
Weeks 0, 3, and 6 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA. Carboplatin: dose based on GFR and targeted to an AUC of 8 mg/mL/min, given IV over 1 hour (Day 1 only)
Week 9- Evaluation, followed by Doxorubicin Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 3
Week 12 Evaluation followed by definitive Surgery Local control by amputation or limb-salvage procedure
Post-operative chemotherapy (Weeks 14-35) Ifosfamide, carboplatin, and doxorubicin in two-agent pairs for approximately 35 weeks.
Week 14 - Ifosfamide-Doxorubicin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 17 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only)
Week 20 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 23 - Evaluation, followed by Ifosfamide:
Doxorubicin. Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 26 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only)
Week 29 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 32 - Evaluation, followed by Ifosfamide-Doxorubicin. Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 35 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
- Conditions
- Osteosarcoma
- Being tested
- Ifosfamide, Carboplatin, Doxorubicin, Limb Sparing
- Keywords
- Osteosarcoma, Treatment, Carboplatin
- Medical subject headings
- Osteosarcoma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Ifosfamide, Carboplatin, DoxorubicinDrug
See Detailed Description for treatment plan.
Limb SparingProcedure or surgery
See Detailed Description for treatment plan.
| Study group | Role | What they receive |
|---|---|---|
| 1 | Other | Not described Receives: Drug: Ifosfamide, Carboplatin, Doxorubicin; Procedure: Limb Sparing |
What is being measured
The primary outcome is the main question the study is designed to answer.
Histologic response rate
Measured: After all patients have undergone definitive surgery and become evaluable for histologic response evaluation.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 Sep 2005 (estimated)
- Study startMay 1999
- Primary completionMay 2006
- Study completionMay 2006
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (11)Papers the sponsor has linked to this study.
- Other trials for OsteosarcomaStudies of the same condition, open and under way.
- More trials run by St. Jude Children's Research HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 2
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 80 participants (actual)
Sponsor and investigators
- Lead sponsor
- St. Jude Children's Research Hospital
- Sponsor type
- University, hospital or other
- Collaborators
- Immunex/Berlex, National Institutes of Health (NIH)
- Investigators
- Fariba Navid, MD, Principal investigator, St. Jude Children's Research Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00145639
- Sponsor's protocol ID
- OS99
- Status last verified
- Jun 2011
- First submitted
- 1 Sep 2005
- Last updated
- 10 Jun 2011
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Crews KR, Stewart CF, Liu T, Rodriguez-Galindo C, Santana VM, Daw NC. Effect of fractionated ifosfamide on the pharmacokinetics of irinotecan in pediatric patients with osteosarcoma. J Pediatr Hematol Oncol. 2004 Nov;26(11):764-7. doi: 10.1097/00043426-200411000-00016.
PubMed 15543015Sanders RP, Drissi R, Billups CA, Daw NC, Valentine MB, Dome JS. Telomerase expression predicts unfavorable outcome in osteosarcoma. J Clin Oncol. 2004 Sep 15;22(18):3790-7. doi: 10.1200/JCO.2004.03.043.
PubMed 15365076McCarville MB, Barton EH, Cameron JR, Xiong X, Daw NC, Kaste SC, Wu S, Glass JO, Reddick WE. The cause and clinical significance of central tumor photopenia on thallium scintigraphy of pediatric osteosarcoma of the extremity. AJR Am J Roentgenol. 2007 Feb;188(2):572-8. doi: 10.2214/AJR.06.0292.
PubMed 17242270Freeman SS, Allen SW, Ganti R, Wu J, Ma J, Su X, Neale G, Dalton J, Billups C, Dome JS, Daw NC, Khoury JD. Osteosarcoma tumors commonly express EGFR and harbor frequent gains at the EGFR locus and losses at the PTEN Locus. Clin Cancer Res (Submitted).
Rivera GK, Quintana J, Villarroel M, Santana VM, Rodriguez-Galindo C, Neel MD, Velez G, Ribeiro RC, Daw NC. Transfer of complex frontline anticancer therapy to a developing country: the St. Jude osteosarcoma experience in Chile. Pediatr Blood Cancer. 2008 Jun;50(6):1143-6. doi: 10.1002/pbc.21444.
PubMed 18085687McCarville MB, Romano E, Daw N, Xiong X, Reddick W, Kaste S. Etiology of the 201Thallium
McCarville MB, Reddick WE, Xiong X, Kaste SC, Daw NC. Clinical significance of the 201Thallium donut-sign in primary extremity osteosarcoma. Presented at the 2006 Society of Pediatric Radiology and European Society of Paediatric Radiology's Fifth Conjoint Meeting, Montreal, Quebec, Canada, May 18-20, 2006.
Kaste SC, Waszilycsak G, McCarville MB, Daw NC. Excess cancer mortality in pediatric thallium imaging. Presented at the 2006 Society of Pediatric Radiology and European Society of Paediatric Radiology's Fifth Conjoint Meeting, Montreal, Quebec, Canada, May 18-20, 2006.
Freeman SS, Allen SW, Ganti R, Wu J, Ma J, Su X, Neale GA, Dalton JD, Billups CA, Dome JS, Daw NC, Khoury JD. EGFR expression and copy number gain are common in osteosarcoma. Presented at the US and Canadian Academy of Pathology Annual Meeting, San Diego, California, March 24-30, 2007.
Reddick WE, Hoffer FA, Billups CA, Jenkins JJ, Wu J, Daw NC. Response assessment using dynamic MR imaging in non-metastatic osteosarcoma. To be presented at the ASCO Annual Meeting, Chicago, Illinois, June 2007.
Rivera GK, Quintana J, Villarroel M, Rodríguez C, Santana VM, Ribeiro RC, Daw NC. Conduct of an international collaborative osteosarcoma trial at centers in a developed and developing country. To be presented at the ASCO Annual Meeting, Chicago, Illinois, June 2007.
Study at a glance
From the registry record, last updated by the sponsor on 10 Jun 2011. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Osteosarcoma 1999-A Study Of Intensive Chemotherapy Utilizing Ifosfamide, Carboplatin, and Doxorubicin for Adjuvant Chemotherapy for Treatment of Osteosarcoma
- ClinicalTrials.gov ID
- NCT00145639
- Acronym / sponsor ID
- OS99
- Conditions
- Osteosarcoma
- Keywords
- Osteosarcoma, Treatment, Carboplatin
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 80 participants (actual)
- Lead sponsor
- St. Jude Children's Research HospitalUniversity, hospital or other
- Collaborators
- Immunex/Berlex, National Institutes of Health (NIH)
- Study start
- May 1999
- Primary completion
- May 2006 (actual)
- Study completion
- May 2006 (actual)
- First posted
- 5 Sep 2005 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This trial (OS99) evaluates the use of ifosfamide, carboplatin, and doxorubicin in an up-front window before surgery for localized and resectable osteosarcoma. High-dose methotrexate, which may interfere with the dose-intensive delivery of other agents, is eliminated from the treatment of localized disease. The primary objective is to compare the response rate of pre-surgical chemotherapy comprised of ifosfamide, doxorubicin, and carboplatin to that obtained with ifosfamide and carboplatin in the St. Jude OS-91 trial for patients with non-metastatic resectable osteosarcoma. We hypothesize that the histologic response rate will be improved by the addition of one course of pre-operative chemotherapy on this trial compared to the previous OS-91 trial.
Detailed description
This study has multiple research objectives:
- To compare the response rate of pre-surgical chemotherapy comprised of ifosfamide, doxorubicin, and carboplatin to that obtained with ifosfamide and carboplatin in the St. Jude OS-91 trial for patients with non-metastatic resectable osteosarcoma
- To continue the evaluation of dynamic contrast-enhanced magnetic resonance imaging (DEMRI) in predicting tumor response and accurately assessing the degree of response (continued from OS-91).
- To determine the feasibility of delivering outpatient-based chemotherapy for osteosarcoma using ifosfamide-doxorubicin-carboplatin.
- To determine whether resection of the primary site may be satisfactorily performed with a 3 cm margin of normal bone (rather than 5 cm).
- To study biologic and biochemical characteristics of the tumor cells that may be of prognostic significance
- To study the patients' and parents' perspectives of the patients' quality of life during and after treatment.
Description of Treatment Plan:
This study employs the following treatment strategy: neoadjuvant chemotherapy followed by definitive surgery for local control and adjuvant chemotherapy after tumor resection.
Pre-operative chemotherapy phase (weeks 0-12): Three courses of ifosfamide/carboplatin given every 3 weeks followed by one 3-week course of doxorubicin.Disease evaluation is performed after 3 courses and after 4 courses of chemotherapy.
Weeks 0, 3, and 6 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA. Carboplatin: dose based on GFR and targeted to an AUC of 8 mg/mL/min, given IV over 1 hour (Day 1 only)
Week 9- Evaluation, followed by Doxorubicin Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 3
Week 12 Evaluation followed by definitive Surgery Local control by amputation or limb-salvage procedure
Post-operative chemotherapy (Weeks 14-35) Ifosfamide, carboplatin, and doxorubicin in two-agent pairs for approximately 35 weeks.
Week 14 - Ifosfamide-Doxorubicin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 17 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only)
Week 20 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 23 - Evaluation, followed by Ifosfamide:
Doxorubicin. Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 26 - Ifosfamide-Carboplatin Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only)
Week 29 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 32 - Evaluation, followed by Ifosfamide-Doxorubicin. Ifosfamide: 2.65 gm/m2 IV daily over 15-30 minutes x 3 (Days 1, 2, 3) with MESNA, Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Week 35 - Carboplatin-Doxorubicin Carboplatin: targeted to an AUC of 8 mg/mL/min given IV over 1 hour (Day 1 only), Doxorubicin: 25 mg/m2 IV over 1 hour, daily x 2 (Days 1 and 2)
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| 1 | Other | Drug: Ifosfamide, Carboplatin, Doxorubicin, Procedure: Limb Sparing |
Who may qualify
- Ages
- Up to 25 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
Key inclusion criteria (3 listed)
- All subjects with histologically proven high-grade osteosarcoma,chondrosarcoma, MFH, fibrosarcoma or chondrosarcoma of bone, whose tumors are potentially resectable (either by limb sparing, en bloc resection, or amputation) and have no evidence of metastasis.
- Adequate liver, renal and cardiac function.
- Age: Younger than 25 years old
Key exclusion criteria (1 listed)
- Prior chemotherapy
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Ifosfamide, Carboplatin, DoxorubicinSee Detailed Description for treatment plan. | Drug | 1 |
| Limb SparingSee Detailed Description for treatment plan. | Procedure or surgery | 1 |
Primary outcome
Histologic response rate
Time frame: After all patients have undergone definitive surgery and become evaluable for histologic response evaluation.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 10 Jun 2011.
- Background: PubMed 15543015Crews KR, Stewart CF, Liu T, Rodriguez-Galindo C, Santana VM, Daw NC. Effect of fractionated ifosfamide on the pharmacokinetics of irinotecan in pediatric patients with osteosarcoma. J Pediatr Hematol Oncol. 2004 Nov;26(11):764-7. doi: 10.1097/00043426-200411000-00016.
- Background: PubMed 15365076Sanders RP, Drissi R, Billups CA, Daw NC, Valentine MB, Dome JS. Telomerase expression predicts unfavorable outcome in osteosarcoma. J Clin Oncol. 2004 Sep 15;22(18):3790-7. doi: 10.1200/JCO.2004.03.043.
- Background: PubMed 17242270McCarville MB, Barton EH, Cameron JR, Xiong X, Daw NC, Kaste SC, Wu S, Glass JO, Reddick WE. The cause and clinical significance of central tumor photopenia on thallium scintigraphy of pediatric osteosarcoma of the extremity. AJR Am J Roentgenol. 2007 Feb;188(2):572-8. doi: 10.2214/AJR.06.0292.
- BackgroundFreeman SS, Allen SW, Ganti R, Wu J, Ma J, Su X, Neale G, Dalton J, Billups C, Dome JS, Daw NC, Khoury JD. Osteosarcoma tumors commonly express EGFR and harbor frequent gains at the EGFR locus and losses at the PTEN Locus. Clin Cancer Res (Submitted).
- Background: PubMed 18085687Rivera GK, Quintana J, Villarroel M, Santana VM, Rodriguez-Galindo C, Neel MD, Velez G, Ribeiro RC, Daw NC. Transfer of complex frontline anticancer therapy to a developing country: the St. Jude osteosarcoma experience in Chile. Pediatr Blood Cancer. 2008 Jun;50(6):1143-6. doi: 10.1002/pbc.21444.
- BackgroundMcCarville MB, Romano E, Daw N, Xiong X, Reddick W, Kaste S. Etiology of the 201Thallium
- BackgroundMcCarville MB, Reddick WE, Xiong X, Kaste SC, Daw NC. Clinical significance of the 201Thallium donut-sign in primary extremity osteosarcoma. Presented at the 2006 Society of Pediatric Radiology and European Society of Paediatric Radiology's Fifth Conjoint Meeting, Montreal, Quebec, Canada, May 18-20, 2006.
- BackgroundKaste SC, Waszilycsak G, McCarville MB, Daw NC. Excess cancer mortality in pediatric thallium imaging. Presented at the 2006 Society of Pediatric Radiology and European Society of Paediatric Radiology's Fifth Conjoint Meeting, Montreal, Quebec, Canada, May 18-20, 2006.
- BackgroundFreeman SS, Allen SW, Ganti R, Wu J, Ma J, Su X, Neale GA, Dalton JD, Billups CA, Dome JS, Daw NC, Khoury JD. EGFR expression and copy number gain are common in osteosarcoma. Presented at the US and Canadian Academy of Pathology Annual Meeting, San Diego, California, March 24-30, 2007.
- BackgroundReddick WE, Hoffer FA, Billups CA, Jenkins JJ, Wu J, Daw NC. Response assessment using dynamic MR imaging in non-metastatic osteosarcoma. To be presented at the ASCO Annual Meeting, Chicago, Illinois, June 2007.
- BackgroundRivera GK, Quintana J, Villarroel M, Rodríguez C, Santana VM, Ribeiro RC, Daw NC. Conduct of an international collaborative osteosarcoma trial at centers in a developed and developing country. To be presented at the ASCO Annual Meeting, Chicago, Illinois, June 2007.
- St. Jude Children's Research HospitalLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Fariba Navid, MD principal investigator
St. Jude Children's Research Hospital
4 sites in 2 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing Ifosfamide, Carboplatin, Doxorubicin and Limb Sparing in people with Osteosarcoma, run by St. Jude Children's Research Hospital at 4 sites in 2 countries.
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 3 inclusion and 1 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: finished, as of the sponsor's last update on 10 Jun 2011. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 4 sites in United States, Chile. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Histologic response rate (time frame: After all patients have undergone definitive surgery and become evaluable for histologic response evaluation.). 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 NCT00145639, which also lists 11 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 10 Jun 2011.