scholarly journals Phase II Study of Lenvatinib in Patients With Progressive, Recurrent or Metastatic Adenoid Cystic Carcinoma

2019 ◽  
Vol 37 (18) ◽  
pp. 1529-1537 ◽  
Author(s):  
Vatche Tchekmedyian ◽  
Eric J. Sherman ◽  
Lara Dunn ◽  
Crystal Tran ◽  
Shrujal Baxi ◽  
...  
Keyword(s):  
Adverse Events ◽  
Adenoid Cystic Carcinoma ◽  
Phase Ii ◽  
Overall Response Rate ◽  
Response Rate ◽  
Progression Free Survival ◽  
Free Survival ◽  
Overall Response ◽  
End Point ◽  
Adenoid Cystic

PURPOSE Recurrent or metastatic adenoid cystic carcinoma (R/M ACC) is a malignant neoplasm of predominantly salivary gland origin for which effective therapies are lacking. We conducted a phase II trial evaluating the multitargeted tyrosine kinase inhibitor lenvatinib in patients with R/M ACC. PATIENTS AND METHODS This study was conducted with a two-stage minimax design. Patients with histologically confirmed R/M ACC of any primary site with radiographic and/or symptomatic progression were eligible. Any prior therapy was allowed except previous lenvatinib. Patients received lenvatinib 24 mg orally per day. The primary end point was overall response rate. Secondary end points were progression-free survival and safety. An exploratory analysis of how MYB expression and genomic alterations relate to outcomes was conducted. RESULTS Thirty-three patients were enrolled; 32 were evaluable for the primary end point. Five patients (15.6%) had a confirmed partial response, 24 patients (75%) had stable disease, two patients (6.3%) discontinued treatment as a result of toxicity before the first scan, and one patient (3.1%) had progression of disease as best response. Median progression-free survival time was 17.5 months (95% CI, 7.2 months to not reached), although only eight progression events were observed. Patients otherwise were removed for toxicity (n = 5), as a result of withdrawal of consent (n = 9), or at the treating physician’s discretion (n = 6). Twenty-three patients required at least one dose modification, and 18 of 32 patients discontinued lenvatinib for drug-related issues. The most common grade 3 or 4 adverse events were hypertension (n = 9; 28.1%) and oral pain (n = 3; 9.4%). Three grade 4 adverse events were observed (myocardial infarction, n = 1; posterior reversible encephalopathy syndrome, n = 1; and intracranial hemorrhage, n = 1). CONCLUSION This trial met the prespecified overall response rate primary end point, demonstrating antitumor activity with lenvatinib in R/M ACC patients. Toxicity was comparable to previous studies, requiring monitoring and management.

First Analysis of a Phase II Study of Rituximab-Gemcitabine, Cyclophosphamide, Vincristine and Prednisolone (R-GCVP) for Diffuse Large B Cell Lymphoma (DLBCL) Patients Considered Unsuitable for Anthracycline Containing Chemo-Immunotherapy. An NCRI Lymphoma Clinical Studies Group Trial

Blood ◽  
2011 ◽  
Vol 118 (21) ◽  
pp. 1634-1634
Author(s):  
Paul Fields ◽  
Andrew Webb ◽  
Christopher FE Pocock ◽  
William Townsend ◽  
Paul Smith ◽  
...  
Keyword(s):  
Overall Survival ◽  
Ejection Fraction ◽  
Phase Ii ◽  
Overall Response Rate ◽  
Response Rate ◽  
Progression Free Survival ◽  
Free Survival ◽  
Overall Response ◽  
End Of Treatment ◽  
Grade 3

Abstract Abstract 1634FN2 Introduction: The treatment of patients with DLBCL who are unsuitable for anthracycline containing chemotherapy remains a clinical challenge. Gemcitabine is a nucleoside analogue which has proven efficacy in the relapse setting in both non Hodgkin's and Hodgkin's lymphoma. We therefore developed a protocol incorporating Gemcitabine in a first line approach combined with CVP-R chemo-immunotherapy in DLBCL patients considered unfit for anthracycline containing chemotherapy. Methods: We performed a prospective, multicentre phase II trial in patients with DLCBL who were considered unfit for anthracycline containing chemo-immunotherapy. Eligibility criteria included ejection fraction < 50%, or ejection fraction ≥ 50% but with the presence of attendant significant co-morbidities (including: ischaemic heart disease, hypertension, diabetes mellitus), and ECOG PS 0–3. Patients received 6 cycles of Rituximab (375 mg/m2 IV D1), Cyclophosphamide (750mg/m2 IV D1), Vincristine (1.4 mg /m2 IV D1), Prednisolone (100mg, orally D1–5) and Gemcitabine IV D1 and D8. The Gemcitabine dose, if tolerated was sequentially escalated from 750mg/m2 in cycle 1 to 875mg/m2 in cycle 2 to 1000mg/m2 in cycle 3 with the dose maintained at 1000mg/m2 for cycles 4–6. Cycles were repeated every 21 days with growth factor support administered on day 9 of each cycle (pegfilgrastrim 6mg s/c).The primary endpoint was to achieve an overall response rate of > 40% assessed by CT scan at the end of treatment according to the Cheson criteria. Secondary endpoints were progression free survival and overall survival. Results: 62 patients were recruited from 32 UK sites over a 28 month period from April 2008 to July 2010. 66% were male. Median age was 76 years (range 52–90), 48 (77%) were > 70 years. 43 (69%) had stage III/IV disease and 46 (72%) had high – intermediate or high IPI (3–5) disease. ECOG performance status was ≥ 2 in 50% patients. Left ventricular ejection fraction (LVEF) was < 50% in 28 patients (45%). The 34 patients with LVEF ≥ 50% had significant co-morbidities, 22 (65%) had multiple co-morbidities. 44 (70%) received ≥ 3 cycles of treatment, reasons for early termination of treatment in the remaining 18 patients were progression (n=2), toxicity (n=5), death (n=6) patient choice (n=1) and other (n=4). 29 patients (47%) received the full 6 cycles. A total of 250 treatment cycles were delivered. Of the 44 patients who received ≥ 3 cycles of treatment, the dose of Gemcitabine was escalated to the full dose (1000mg/m2) in 67%. Day 8 Gemcitabine was delivered in 215/250 (86%) cycles of treatment. The overall response rate (CR/CRu/PR) at end of treatment for all 62 patients was 60%. For patients who received ≥ 3 cycles of treatment (n =44) the ORR was 79.5% at the end of treatment. There was no significant difference in ORR between those with LVEF <50% and those with LVEF ≥ 50% (71% vs 53%, p=0.155). At a median follow up of 18.2 months the 1 year progression free survival rate for all patients was 52.9% (95% CI 39.4–64.8). The 1 year overall survival (OS) rate is 62.4% (95% CI 48.5–73.6). For the group with LVEF <50% OS was 70.8% (95% CI: 48.4, 84.9) and LVEF group ≥ 50% OS was 55.9% (95% CI 37.1–71).Grade 3/4 haematological toxicity was observed in 54.1% patients. Grade 3/4 infection was observed in 24.6% of patients. The death rate observed related to infection for the whole cohort was 11%. Conclusion: This multicentre trial demonstrates that the R-GCVP regimen delivers excellent overall response rates with durable remissions in a group of patients where anthracycline use was precluded. The efficacy attained in this difficult group of patients provides a platform for testing the regimen in subsequent randomised phase II and phase III studies to confirm its efficacy. Disclosures: No relevant conflicts of interest to declare.

Efficacy of bevacizumab and temozolomide therapy in locally advanced, recurrent, and metastatic malignant solitary fibrous tumour: A population-based analysis

2018 ◽  
Vol 25 (6) ◽  
pp. 1301-1304 ◽  
Author(s):  
Mário L de Lemos ◽  
Isabell Kang ◽  
Kimberly Schaff
Keyword(s):  
Overall Survival ◽  
Overall Response Rate ◽  
Response Rate ◽  
Locally Advanced ◽  
Case Series ◽  
Progression Free Survival ◽  
Population Based ◽  
Solitary Fibrous Tumour ◽  
Free Survival ◽  
Overall Response

Background Patients with locally advanced, recurrent or metastatic solitary fibrous tumour are often treated with bevacizumab and temozolomide based on the clinical efficacy reported in a case series of 14 patients. Given the rarity of solitary fibrous tumour, large trials are not feasible. We report the efficacy of this regimen based on a population-based analysis. Methods This was a population-based retrospective, multi-centre analysis using patient data from a provincial cancer registry and treatment database. Cases from June 2006 through October 2016 were identified for patients receiving bevacizumab and temozolomide for locally advanced, recurrent or metastatic solitary fibrous tumour or hemangiopericytoma, which is sometimes used to describe tumours arising from the meninges. The primary outcome was overall response rate. Secondary outcomes included time to response, progression free survival and overall survival estimated using the Kaplan–Meier method. Results Fourteen patients were identified: median age 59 (range 44–70), male 78.6%. Diagnoses were solitary fibrous tumour in 10 (71.4%) and hemangiopericytoma in four (28.6%), with metastatic disease in 10 (72.7%) patients. The most common primary sites were meninges in four (28.6%) and pelvis in three (21.4%) patients. The median follow-up was 15.5 months, with median treatment of four months. Overall response rate was 21.4% (no complete response, 3 partial response), with median time to response of four months. Median progression free survival, six-month progression free survival and overall survival were 17 months, 65.0%, and 45 months, respectively. Conclusions Efficacy of bevacizumab and temozolomide in solitary fibrous tumour appeared to be similar to that previously reported. Our findings confirmed that bevacizumab and temozolomide is an effective and tolerated treatment for this patient population.

Survival Benefits of Patients with Non-Hodgkin’s Lymphoma Treated with Rituximab Combined with Chemotherapy.

Blood ◽  
2004 ◽  
Vol 104 (11) ◽  
pp. 4625-4625
Author(s):  
Zhixiang Shen ◽  
Junmin Li ◽  
Aihua Wang ◽  
Yu Chen
Keyword(s):  
B Cell ◽  
Overall Response Rate ◽  
Response Rate ◽  
Cell Lymphoma ◽  
Progression Free Survival ◽  
B Cell Lymphoma ◽  
Free Survival ◽  
Overall Response ◽  
Large B Cell

Abstract Purpose: Rituximab combined with chemotherapy has been recommended as first-line or second-line standard regimen in most subtypes of B-cell lymphoma in China by the 2004 National Comprehensive Cancer Network lymphoma therapy guideline. We have conducted a multicenter trial to evaluate the efficacy and safety of rituximab in combination with standard chemotherapy (CHOP) in patients with previously untreated or relapsed indolent and aggressive NHL. Methods: Patients received 4–8 cycles of rituximab plus CHOP every 21 days. For each cycle, rituximab (375mg/m2) was given on day 1 and CHOP started on day 3. CHOP consisted of cyclophosphamide 750mg/m2, doxorubicin 50mg/m2, and vincristine 1.4mg/m2 (maximum 2mg/dose) given intravenously on day 3, and oral prednisone 100mg on days 3–7. Results: A total of 221 patients were enrolled on the trial, 128 males and 93 females with a mean age of 49 years (range 10–83 years). The main lymphoma subtypes were small lymphocytic (15 patients, 7%), follicular (27 patients, 12%), and diffuse large B-cell (160 patients, 72%). In total, 56 patients had indolent NHL and 165 aggressive NHL. The overall response rate for all patients was 86% with 57% complete responses. In patients with indolent NHL the overall and complete response rates were 95% and 55% respectively. After a median 12 months follow up, progression-free survival in patients with indolent NHL was 88%±5% at 1 year and 83%±6% at 2 years. In the 160 patients with diffuse large B-cell lymphoma, the overall response rate was 88% with 61% complete responses, and after a mean follow-up of 6 months, predicted 1-year and 2-year progression-free survival were 88%±5% and 83%±7% respectively. Infusion-related adverse events occurred in 4% of patients, associated with the first infusion of rituximab. Subanalyses according to subtype, stage, IPI and other factors will be presented. Conclusion: Rituximab plus chemotherapy is an effective, well-tolerated treatment that achieves high response rates and long progression-free survival in both indolent and aggressive NHL.

scholarly journals Dabrafenib and Trametinib Treatment in Patients With Locally Advanced or Metastatic BRAF V600–Mutant Anaplastic Thyroid Cancer

2018 ◽  
Vol 36 (1) ◽  
pp. 7-13 ◽  
Author(s):  
Vivek Subbiah ◽  
Robert J. Kreitman ◽  
Zev A. Wainberg ◽  
Jae Yong Cho ◽  
Jan H.M. Schellens ◽  
...  
Keyword(s):  
Overall Survival ◽  
Thyroid Cancer ◽  
Overall Response Rate ◽  
Response Rate ◽  
Progression Free Survival ◽  
Anaplastic Thyroid Cancer ◽  
Braf V600e ◽  
Free Survival ◽  
Overall Response ◽  
Duration Of Response

Purpose We report the efficacy and safety of dabrafenib (BRAF inhibitor) and trametinib (MEK inhibitor) combination therapy in BRAF V600E–mutated anaplastic thyroid cancer, a rare, aggressive, and highly lethal malignancy with poor patient outcomes and no systemic therapies with clinical benefit. Methods In this phase II, open-label trial, patients with predefined BRAF V600E–mutated malignancies received dabrafenib 150 mg twice daily and trametinib 2 mg once daily until unacceptable toxicity, disease progression, or death. The primary end point was investigator-assessed overall response rate. Secondary end points included duration of response, progression-free survival, overall survival, and safety. Results Sixteen patients with BRAF V600E–mutated anaplastic thyroid cancer were evaluable (median follow-up, 47 weeks; range, 4 to 120 weeks). All patients had received prior radiation treatment and/or surgery, and six had received prior systemic therapy. The confirmed overall response rate was 69% (11 of 16; 95% CI, 41% to 89%), with seven ongoing responses. Median duration of response, progression-free survival, and overall survival were not reached as a result of a lack of events, with 12-month estimates of 90%, 79%, and 80%, respectively. The safety population was composed of 100 patients who were enrolled with seven rare tumor histologies. Common adverse events were fatigue (38%), pyrexia (37%), and nausea (35%). No new safety signals were detected. Conclusion Dabrafenib plus trametinib is the first regimen demonstrated to have robust clinical activity in BRAF V600E–mutated anaplastic thyroid cancer and was well tolerated. These findings represent a meaningful therapeutic advance for this orphan disease.

The efficacy and safety of lenvatinib in the treatment of solid tumors: an up-to-date meta-analysis

2021 ◽  
Author(s):  
Wen jie Xie ◽  
Shuai Zhang ◽  
Lei Su ◽  
Yan hong Li ◽  
Xi Zhang ◽  
...  
Keyword(s):  
Overall Survival ◽  
Overall Response Rate ◽  
Response Rate ◽  
Meta Analysis ◽  
Severe Infection ◽  
Progression Free Survival ◽  
Hazard Ratio ◽  
Efficacy And Safety ◽  
Free Survival ◽  
Overall Response

Aim: We performed an updated meta-analysis to evaluate the efficacy and safety of lenvatinib in cancer patients. Materials & methods: Databases were searched to identify relevant trials. Data were extracted to evaluate overall survival, progression-free survival, overall response rate and grade ≥3 adverse events. Results: The pooled analysis demonstrated that lenvatinib significantly improved progression-free survival (hazard ratio: 0.43; 95% CI: 0.23–0.80; p = 0.008), overall survival (hazard ratio: 0.85; 95% CI: 0.75–0.97; p = 0.013) and overall response rate (relative risk: 6.89; 95% CI: 2.22–21.36; p = 0.001) compared with control therapy. However, the use of lenvatinib can increase the risk of severe infection. Conclusion: Lenvatinib-containing regimens are associated with better progression-free survival, overall survival and overall response rate, but can induce severe infection.

Interferon Alpha May Improve the prognosis of Advanced Myeloproliferative Neoplasm Patients with JAK2V617F Mutations

Blood ◽  
2014 ◽  
Vol 124 (21) ◽  
pp. 5547-5547
Author(s):  
Liu Xiaoli ◽  
Li Ding ◽  
Na Xu ◽  
Bintao Huang ◽  
Xuan Zhou ◽  
...  
Keyword(s):  
Survival Rate ◽  
Adverse Reactions ◽  
Overall Response Rate ◽  
Response Rate ◽  
Progression Free Survival ◽  
Essential Thrombocytosis ◽  
Free Survival ◽  
Overall Response ◽  
Significant Difference ◽  
Hydroxyurea Therapy

Abstract Objective Whetherinterferon alpha (IFN-α) has special therapeutic effect formyeloproliferative neoplasm (MPN) patients with JAK2V617F mutations was not widely confirmed. Our purpose was to evaluate the therapeutic effect of interferon alpha (IFN-α) in MPN patients with JAK2V617F mutations. Methods A total of 99 advanced MPN patients (including 68 polycythemia vera (PV) patients with 34 JAK2V617F mutations and 68 essential thrombocytosis (ET) with JAK2V617F mutations) patients) were enrolled to the study during 2007 to 2013 with informed consent, then they were divided into two groups: the IFN-α group (patients received a standard dose of IFN-α with (30-50)ug/d ) and the Hydroxyurea (HU) group (patients received a a dose of (0.25-0.5)g/d for HU). The progression-free survival rate were analyzed for a median of 32.0 (6.0 to 60.0) months follow-up period. Results The overall response rate between IFN-α and Hydroxyurea therapy groups of essential thrombocytosis (ET) patients with JAK2V617F mutations had no significant difference (88.2% vs 85.0%, P>0.05), but the 5-year progression-free survival rate of two groups showed significant difference (88.2% vs 55.0%, P<0.05). The overall response rate (78.6% vs 82.4% ) and 5-year progression-free survival rate (57.1% vs 58.8%) between IFN-α and Hydroxyurea therapy groups of ET patients without JAK2V617F mutations had no significant difference (P>0.05). The overall response rate between IFN-α and Hydroxyurea therapy groups of polycythemia vera (PV) patients with JAK2V617F mutations had no significant difference (80.0% vs 75%, P>0.05), but the 5-year progression-free survival rate of IFN-α and Hydroxyurea therapy groups showed significant difference (86.7% vs 50.0%, P<0.05). After the treatment of IFN-α and HU for six months, the ratio of Interferon-treated patients need to continue phlebotomy was significantly lower than hydroxyurea therapy group (8.3% vs 58.3%, P<0.05). The thromboembolic events,splenomegaly, bone marrow fibrosis of interferon treatment group were lower than hydroxyurea treatment group showed significant difference (P<0.05). The adverse reactions of IFN-α was moderate, most of the patients in this study could tolerate the therapy. The major side effect of hydroxyurea was hematologic adverse reactions (Grade 1-2) with mainly reduce of white blood cells and thrombocytopenia, which showed difference between IFN-α and hydroxyurea (P<0.05). Conclusions IFN-α may improve the prognosis of ET and PV patients with JAK2V617F mutations. Moreover, patients with PV and JAK2V617F mutations may be benefit for the treatment of IFN-α and could be recommended for an effective choice. Disclosures No relevant conflicts of interest to declare.

scholarly journals Apatinib, a novel VEGFR-2 tyrosine kinase inhibitor, for relapsed and refractory nasopharyngeal carcinoma: data from an open-label, single-arm, exploratory study

2020 ◽  
Vol 38 (6) ◽  
pp. 1847-1853
Author(s):  
Ling Li ◽  
Fei Kong ◽  
Lei Zhang ◽  
Xin Li ◽  
Xiaorui Fu ◽  
...  
Keyword(s):  
Overall Survival ◽  
Nasopharyngeal Carcinoma ◽  
Adverse Events ◽  
Overall Response Rate ◽  
Response Rate ◽  
Kinase Inhibitor ◽  
Progression Free Survival ◽  
Efficacy And Safety ◽  
Open Label ◽  
Free Survival

Summary Purpose Apatinib, a new tyrosine kinase inhibitor targeting vascular endothelial growth factor receptor-2, has shown promising efficacy against several solid cancers, but evidence of its efficacy against relapsed and refractory nasopharyngeal carcinoma is limited. We investigated the efficacy and safety of apatinib for relapsed and refractory nasopharyngeal carcinoma in an open-label, single-arm, phase II clinical trial. Fifty-one patients with relapsed and refractory nasopharyngeal carcinoma in the First Affiliated Hospital, Zhengzhou University, who met the inclusion criteria were enrolled in the study. All patients received apatinib at an initial dose of 500 mg daily (1 cycle = 28 days). The primary and secondary endpoints were overall response rate, progression-free survival, and overall survival. We evaluated treatment effects and recorded apatinib-related adverse events by performing regular follow-ups and workup. The overall response rate (complete and partial responses) was 31.37% (16/51). The median overall survival and progression-free survival were 16 (95% CI, 9.32–22.68) and 9 months (95% CI, 5.24–12.76), respectively. Most patients tolerated treatment-related adverse events of grades 1 and 2; hypertension (29, 56.86%), proteinuria (25, 49.02%), and hand–foot syndrome (27, 52.94%) were the most common adverse events. There were no treatment-related deaths. Apatinib showed good efficacy and safety in patients with relapsed and refractory NPC.

scholarly journals Cyclophosphamide, thalidomide, and dexamethasone (CTD) as initial therapy for patients with multiple myeloma unsuitable for autologous transplantation

Blood ◽  
2011 ◽  
Vol 118 (5) ◽  
pp. 1231-1238 ◽  
Author(s):  
Gareth J. Morgan ◽  
Faith E. Davies ◽  
Walter M. Gregory ◽  
Nigel H. Russell ◽  
Sue E. Bell ◽  
...  
Keyword(s):  
Multiple Myeloma ◽  
Overall Response Rate ◽  
Response Rate ◽  
Autologous Transplantation ◽  
Progression Free Survival ◽  
Initial Therapy ◽  
Newly Diagnosed ◽  
Free Survival ◽  
Overall Response ◽  
Depth Of Response

Abstract As part of the randomized MRC Myeloma IX trial, we compared an attenuated regimen of cyclophosphamide, thalidomide, and dexamethasone (CTDa; n = 426) with melphalan and prednisolone (MP; n = 423) in patients with newly diagnosed multiple myeloma ineligible for autologous stem-cell transplantation. The primary endpoints were overall response rate, progression-free survival, and overall survival (OS). The overall response rate was significantly higher with CTDa than MP (63.8% vs 32.6%; P < .0001), primarily because of increases in the rate of complete responses (13.1% vs 2.4%) and very good partial responses (16.9% vs 1.7%). Progression-free survival and OS were similar between groups. In this population, OS correlated with the depth of response (P < .0001) and favorable interphase fluorescence in situ hybridization profile (P < .001). CTDa was associated with higher rates of thromboembolic events, constipation, infection, and neuropathy than MP. In elderly patients with newly diagnosed multiple myeloma (median age, 73 years), CTDa produced higher response rates than MP but was not associated with improved survival outcomes. We highlight the importance of cytogenetic profiling at diagnosis and effective management of adverse events. This trial was registered at International Standard Randomized Controlled Trials Number as #68454111.

scholarly journals Ofatumumab monotherapy in rituximab-refractory follicular lymphoma: results from a multicenter study

Blood ◽  
2012 ◽  
Vol 119 (16) ◽  
pp. 3698-3704 ◽  
Author(s):  
Myron S. Czuczman ◽  
Luis Fayad ◽  
Vincent Delwail ◽  
Guillaume Cartron ◽  
Eric Jacobsen ◽  
...  
Keyword(s):  
Follicular Lymphoma ◽  
Overall Response Rate ◽  
Response Rate ◽  
International Prognostic Index ◽  
Prognostic Index ◽  
Progression Free Survival ◽  
Free Survival ◽  
Overall Response ◽  
Median Progression Free Survival ◽  
Grade 3

Abstract New treatments are required for rituximab-refractory follicular lymphoma (FL). In the present study, patients with rituximab-refractory FL received 8 weekly infusions of ofatumumab (CD20 mAb; dose 1, 300 mg and doses 2-8, 500 or 1000 mg; N = 116). The median age of these patients was 61 years, 47% had high-risk Follicular Lymphoma International Prognostic Index scores, 65% were chemotherapy-refractory, and the median number of prior therapies was 4. The overall response rate was 13% and 10% for the 500-mg and 1000-mg arms, respectively. Among 27 patients refractory to rituximab monotherapy, the overall response rate was 22%. The median progression-free survival was 5.8 months. Forty-six percent of patients demonstrated tumor reduction 3 months after therapy initiation, and the median progression-free survival for these patients was 9.1 months. The most common adverse events included infections, rash, urticaria, fatigue, and pruritus. Three patients experienced grade 3 infusion-related reactions, none of which were considered serious events. Grade 3-4 neutropenia, leukopenia, anemia, and thrombocytopenia occurred in a subset of patients. Ofatumumab was well tolerated and modestly active in this heavily pretreated, rituximab-refractory population and is therefore now being studied in less refractory FL and in combination with other agents in various B-cell neoplasms. The present study was registered at www.clinicaltrials.gov as NCT00394836.

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