scholarly journals Randomised clinical trial comparing concomitant and hybrid therapy for eradication of Helicobacter pylori infection

PLoS ONE ◽  
2020 ◽  
Vol 15 (12) ◽  
pp. e0244500
Author(s):  
Antonio Mestrovic ◽  
Nikola Perkovic ◽  
Josko Bozic ◽  
Mirela Pavicic Ivelja ◽  
Jonatan Vukovic ◽  
...  
Keyword(s):  
Clinical Trial ◽  
Helicobacter Pylori ◽  
Adverse Events ◽  
Therapy Group ◽  
Compliance Rate ◽  
Randomised Clinical Trial ◽  
First Line ◽  
Open Label ◽  
Hybrid Therapy ◽  
Significant Difference

Background The primary objective of this study was to compare concomitant and hybrid therapy in the first line eradication treatment of Helicobacter pylori infection in Split-Dalmatia County, Croatia, in which clarithromycin resistance is above 20%. The secondary objective of the study was to determine and compare compliance and adverse events rate between these therapeutic protocols. Materials and methods In an open-label, randomised clinical trial 140 patients total with H. pylori infection were randomly assigned to either concomitant (esomeprazole 40 mg, amoxicillin 1 g, metronidazole 500 mg, clarithromycin 500 mg, twice daily for 14 days) or hybrid (esomeprazole 40 mg and amoxicillin 1 g twice daily during 14 days with adding metronidazole 500 mg and clarithromycin 500 mg twice daily, in the last 7 days,) treatment group. Results Eradication rates for concomitant group and hybrid therapy group were 84.1% (58/69) and 83.1% (59/71) respectively in the intention-to-treat analysis and 96.7% (58/60) and 95.2% (59/62) in per-protocol analysis. There was no significant difference between the groups (ITT analysis: P = 0.878; PP analysis: P = 0.675). Adverse events were more frequent in the concomitant group (33.3% vs 18.3%, P = 0.043). There was no difference among groups regarding compliance rate. Conclusion Hybrid therapy has similar eradication rate as concomitant therapy, with lower adverse events rate. In the era of increasing antibiotic resistance, eradication regime with less antibiotic’s usage, as hybrid therapy, should be reasonable first line treatment choice for H. pylori infection. Clinical Trials, gov: NCT03572777.

Update results from ALTER-C-001: Efficacy and safety of anlotinib plus XELOX regimen as first-line treatment followed by maintenance monotherapy of anlotinib for patients with mCRC-A single-arm, multicenter, phase Ⅱ clinical trial.

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e15550-e15550
Author(s):  
Jin Yan ◽  
Yunwei Han ◽  
Li Zhang ◽  
Yongdong Jin ◽  
Hao Sun
Keyword(s):  
Clinical Trial ◽  
Adverse Events ◽  
Performance Status ◽  
Phase Iii ◽  
Line Treatment ◽  
First Line ◽  
Open Label ◽  
Ecog Performance Status ◽  
Multicenter Phase ◽  
First Line Treatment

e15550 Background: The combination of anti-VEGF or anti-EGFR targeted drugs with chemotherapy is the standard first-line therapy for metastatic colorectal cancer (mCRC), and the followed maintenance treatment is an optional approach to balance the efficacy and toxicity. However, studies regarding the maintenance strategies based on antiangiogenic TKIs are limited currently. Anlotinib, a novel oral multi-target TKI which can inhibit both tumor angiogenesis and tumor cell proliferation simultaneously, substantially prolonged the PFS with manageable toxicity for refractory mCRC in the phase III ALTER0703 clinical trial. Here we report an update on the effectiveness and safety of anlotinib plus XELOX as first-line treatment followed by anlotinib monotherapy for mCRC. Methods: In this open label, single-arm, multicenter phase II clinical trial, 53 mCRC patients without prior systemic treated, aged 18-75 and an ECOG performance status of 0 or 1 were planned to recruit. Eligible patients received capecitabine (1000 mg/m2, po, d1-14, q3w) and oxaliplatin (130 mg/m2, iv, d1, q3w) plus anlotinib (10mg, po, d1̃14, q3w) treatment for 6 cycles. After 6 cycles of inducing therapy, patients would receive anlotinib (12mg, po, d1̃14, q3w) as maintenance therapy until disease progression or intolerable adverse events (AEs). The primary endpoint was PFS; Secondary endpoints included ORR, DCR, DOR and safety. Results: By the data analysis cutoff date of January 22, 2021, a total of 18 patients were enrolled, of which 12 patients were available for efficacy assessment. In best overall response assessment, there were 50.0% PR (6/12), 33.3% SD (4/12) and 16.7% PD (2/12). The ORR was 50.0% (95% CI, 21.1-78.9%) and DCR was 83.3% (95% CI, 51.5-97.9%). The longest duration of treatment was 8.8 months and the response was still ongoing. The median PFS was not reached. The most common treatment related adverse events (TRAEs) of any grade (≥20%) were leukopenia, hypertension, neutropenia, diarrhea, fatigue, hypertriglyceridemia. Grade 3/4 TRAEs included hypertension (22.2%), hypertriglyceridemia (11.1%), lipase elevated (11.1%) and neutropenia (5.6%). No grade 5 AEs occurred. Conclusions: The update results suggested that anlotinib combined with XELOX as first line regimen followed by anlotinib monotherapy showed promising anti-tumor activity and manageable safety for patients with mCRC. And the conclusions needed to be confirmed in trials continued subsequently. Clinical trial information: ChiCTR1900028417.

scholarly journals Convalescent plasma for COVID-19 in hospitalised patients: an open-label, randomised clinical trial

2021 ◽  
pp. 2101471
Author(s):  
Leo Sekine ◽  
Beatriz Arns ◽  
Bruna R. Fabro ◽  
Murillo M. Cipolatt ◽  
Rafael R. G. Machado ◽  
...  
Keyword(s):  
Clinical Trial ◽  
Clinical Improvement ◽  
Critically Ill ◽  
Primary Outcome ◽  
Ventilatory Support ◽  
Standard Of Care ◽  
Randomised Clinical Trial ◽  
Open Label ◽  
Hospitalised Patients ◽  
Significant Difference

BackgroundThe effects of convalescent plasma (CP) therapy hospitalised patients with coronavirus disease 2019 (COVID-19) remain uncertain. This study investigates the effect CP on clinical improvement in these patients.MethodsThis is an investigator-initiated, randomised, parallel arm, open-label, superiority clinical trial. Patients were randomly (1:1) assigned to two infusions of CP plus standard of care (SOC) or SOC alone. The primary outcome was the proportion of patients with clinical improvement 28 days after enrolment.ResultsA total of 160 (80 in each arm) patients (66.3% were critically ill and 33.7%, severe) completed the trial. The median age was 60.5 years (interquartile range [IQR], 48–68), 58.1% were men and the median time from symptom onset to randomisation was 10 days (IQR, 8–12). Neutralising antibodies titres >1:80 were present in 133 (83.1%) patients at baseline. The proportion of patients with clinical improvement on day 28 was 61.3% in the CP+SOC and 65.0% in the SOC group (difference, −3.7%; 95% Confidence Interval [CI], −18.8%-11.3%). The results were similar in the subgroups of severe and critically ill. There was no significant difference between CP+SOC and SOC groups in prespecified secondary outcomes, including 28-day mortality, days alive and free of respiratory support and duration of invasive ventilatory support. Inflammatory and other laboratorial markers values on days 3, 7 and 14 were similar between groups.ConclusionsCP+SOC did not result in a higher proportion of clinical improvement on at day 28 in hospitalised patients with COVID-19 compared to SOC alone.

Nebulised hypertonic saline in moderate-to-severe bronchiolitis: a randomised clinical trial

2019 ◽  
Vol 105 (3) ◽  
pp. 236-240 ◽  
Author(s):  
Raphaelle Jaquet-Pilloud ◽  
Marie-Elise Verga ◽  
Michel Russo ◽  
Mario Gehri ◽  
Jean-Yves Pauchard
Keyword(s):  
Clinical Trial ◽  
Adverse Events ◽  
Hypertonic Saline ◽  
Oxygen Therapy ◽  
Length Of Hospital Stay ◽  
Randomised Clinical Trial ◽  
Chronic Respiratory Disease ◽  
Primary Diagnosis ◽  
Significant Difference ◽  
Registration Number

ObjectivesTo investigate whether nebulised hypertonic saline (HS) treatment would decrease length of hospital stay (LOS) among infants with moderate-to severe-bronchiolitis compared with standard supportive care (SC).MethodsWe conducted an open, multicentre, randomised clinical trial from 1 April 2013 to 31 March 2016, in Swiss children’s hospitals. Patients aged 6 weeks to 24 months with a primary diagnosis of moderate or severe bronchiolitis were included. Children with previous episodes of wheezing, cardiac disease, chronic respiratory disease, immunodeficiency, prematurity (gestational age <34 weeks), corticotherapy in the preceding 2 weeks or inhaled bronchodilators within 24 hours before presentation were excluded. Patients were randomised to receive standard SC with nebulisation of 4 mL of 3% sodium chloride every 6 hours versus SSC. Main outcomes and measures were LOS duration of oxygen therapy, transfer to intensive care unit (ICU), readmission within 7 days following discharge and adverse events.Results121 children were randomised. No statistically significant differences were found between treatment groups at baseline (age, Wang Score, atopic history, smoking exposure). Children in the HS group had a non-significant difference in length of stay −2.8 hours (−10; 16) compared with the SC group. There were no differences in oxygen therapy duration, transfer to ICU, readmission rate or adverse events. The intervention was discontinued at the parents’ request in 16% of the cases.ConclusionOur study does not support the use of HS nebulisation in children with moderate to severe bronchiolitis.Trial registration numberNCT01812525.

CCTG BR.34: A randomized trial of durvalumab and tremelimumab +/- platinum-based chemotherapy in patients with metastatic (Stage IV) squamous or nonsquamous non-small cell lung cancer (NSCLC).

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. 9502-9502 ◽  
Author(s):  
Natasha B. Leighl ◽  
Scott Andrew Laurie ◽  
Glenwood D. Goss ◽  
Brett Gordon Maxwell Hughes ◽  
Martin R. Stockler ◽  
...  
Keyword(s):  
Adverse Events ◽  
Randomized Trial ◽  
Advanced Nsclc ◽  
Smoking Status ◽  
Objective Response ◽  
Stage Iv ◽  
First Line ◽  
Open Label ◽  
Platinum Based Chemotherapy ◽  
Significant Difference

9502 Background: First-line therapy for advanced NSCLC includes PD-1 checkpoint inhibitor (ICI) monotherapy, and in combination with chemotherapy. Combination ICI have also demonstrated better survival compared to chemotherapy (CM-227). In CCTG BR.34, we compared overall survival (OS) in patients with advanced NSCLC receiving first-line durvalumab plus tremelimumab (DT) with or without platinum doublet chemotherapy (CT). Methods: This international, open-label, randomized trial accrued 301 participants from Canada and Australia, with stage IV NSCLC, EGFR/ALK wildtype, ECOG PS 0/1. Patients were randomized to DT for 4 cycles or DT+CT (pemetrexed- or gemcitabine-platinum), with ongoing D or D + pemetrexed (non-squamous) maintenance until disease progression. Stratification factors included histology, stage IVA v. IVB and smoking status. The primary endpoint was OS; secondary endpoints included progression-free survival (PFS), objective response rate (ORR = CR + PR) and adverse events (AEs). Results: At a median follow up of 16.6 months, no significant difference in OS was seen between the two treatment arms, with a median OS of 16.6 months with DT+CT v. 14.1 months with DT, (estimated HR 0.88, 90% CI 0.67-1.16). PFS was significantly improved in the DT+CT arm (stratified HR 0.67, 95% CI 0.52-0.88; medians 7.7 v. 3.2 months). ORR was higher in the DT+CT arm, 28% v. 14%, (odds ratio 2.1, p=0.001). Preplanned subgroup analysis demonstrated no significant differences in treatment outcomes by plasma TMB (<20 v. ≥20 mut/Mb, Guardant OMNI), age, sex, or smoking status. There was a trend to improved OS with DT+CT in the subgroup with PD-L1 TPS≥50%, (HR 0.64, 95% CI 0.40-1.04, p=0.07). Plasma TMB<20 mut/Mb was associated with shorter survival in both treatment groups (HR 1.99, 95% 1.3-3.1). Toxicity was greater in the DT+CT arm, with grade≥3 adverse events in 82% v. 70%, (p=0.02), most commonly dyspnea, nausea and cough. The incidence of immune-related adverse events was similar between arms (colitis 11%, pneumonitis 6%, endocrinopathy 21%). Grade 5 events occurred in 2.7%, (5 with DT+CT, 3 with DT). Conclusions: The addition of CT to first-line DT did not improve OS in advanced NSCLC. CT+DT improved ORR and PFS, and was associated with greater toxicity. No differential effects were seen by PD-L1 TPS nor bTMB. These data suggest that adding chemotherapy to ICI may be beneficial in those with PD-L1 TPS >=50%, and warrant further analysis in independent datasets. Clinical trial information: NCT03057106 .

scholarly journals Low Dose Theophylline and Tiotropium Rotacap as Add on Therapy in COPD Patients-Clinical Trial

2021 ◽  
Vol 10 (02) ◽  
pp. 137-141
Author(s):  
Muzna Hameed Dar ◽  
Syed Mehboob Alam ◽  
Qurrat ul Ain Bukhari ◽  
Kauser Ismail ◽  
Syed Azhar Hussain Zaidi
Keyword(s):  
Clinical Trial ◽  
Low Dose ◽  
Therapy Group ◽  
Treated Group ◽  
Open Label ◽  
Treatment Groups ◽  
Copd Patients ◽  
Percentage Improvement ◽  
Significant Difference ◽  
Group B

Objectives: To compare the role of low dose Theophylline and Tiotropium rotacap in improving the lung functions and day to day life of patients suffering from COPD. Study Design and Setting: A Clinical trial study was conducted at Department of Pharmacology and Therapeutics, BMSI in association with Department of Chest Medicine, JPMC. Methodology: This study was planned as an open label and parallel clinical trial study. A total of 168 patients of COPD were selected for this study and only 161 patients completed the 3 months duration of the study. The enrolled patients were grouped into 2, namely A and B. Tab. Theophylline 350 mg was given to Group A in two divided doses while Tiotropium rotacap18µg through rotahaler was given to group B once a day. Results: Mean FEV1 ± SD was improved by 0.04 ± 0.02 in Theophylline therapy group while by 0.07 ± 0.01 in the Tiotropium therapy treated group and a significant difference between the changes in the two treatment groups was evident. There was a percentage improvement in PEFR of 8.9 ± 5.8 in the Theophylline therapy treated group and of 13.2 ± 4.7 in Tiotropium therapy treated group. When Tiotropium group was compared with Theophylline group for improvement in percentage change in PEFR from day 0, a significant difference was evident between the two groups. There was a significant improvement from day 0 in CAT score in Tiotropium treated groups versus Theophylline group after 3 months of therapy. Conclusion: Tiotropium rotacap was more effective as compared to low dose Theophylline in improving pulmonary functions and CAT score in patients with COPD

Update results of paclitaxel and cisplatin in combination with anlotinib as first-line regimen for advanced esophageal squamous cell carcinoma (ESCC): A multicenter, single-arm, open-label phase Ⅱ clinical trial.

2021 ◽  
Vol 39 (3_suppl) ◽  
pp. 181-181
Author(s):  
Junsheng Wang ◽  
Suxia Luo ◽  
Ning Li ◽  
Tao Wu ◽  
Yonggui Hong ◽  
...  
Keyword(s):  
Clinical Trial ◽  
Adverse Events ◽  
Kinase Inhibitor ◽  
Objective Response ◽  
Locally Advanced ◽  
Response Assessment ◽  
First Line ◽  
Open Label ◽  
First Line Therapy ◽  
Line Therapy

181 Background: The prognosis of pts with advanced ESCC remains dismal clinically. Paclitaxel and cisplatin were used as the standard first-line regimen in ESCC for almost two decades. As a novel multitarget tyrosine kinase inhibitor mainly targeting antiangiogenic single pathway, anlotinib was demonstrated to be an effective second-line monotherapy for pts with advanced or recurrent ESCC in China. Consequently, the aim of this study was to investigate the efficacy and toxicity of paclitaxel and cisplatin combined with anlotinib as first-line therapy for advanced ESCC. Methods: Pts with previously untreated metastatic or unresectable, locally advanced ESCC, who had not received (neo) adjuvant therapy/radical surgery within 6 months were recruited in this study. Eligible subjects were given paclitaxel (135mg/m2, iv, q3w) and cisplatin (60~75mg/m2, iv, d1~3, q3w) plus anlotinib (10mg, po, d1~14, q3w) for 4~6 cycles during initial therapy. For those without progressive disease, maintenance treatment was administrated with anlotinib monotherapy (10mg, po, d1~14, q3w) until progression or unacceptable toxicity. The tumor response was assessed by investigator according to RECIST version 1.1 using CT scans every two cycles. And the calculated sample size of this study was 47. The primary endpoint was PFS, secondary endpoints were safety, objective response rate (ORR), disease control rate (DCR) and duration of response (DOR). Results: From Oct 2019 to Aug 2020, 27 pts were available for efficacy and safety evaluation. In best overall response assessment, there were 7.4% CR (2/27), 66.7% PR (18/27) and 25.9% SD (7/27). ORR was 74.1% (95%CI: 53.7. ~ 88.9), and DCR was 100.0% (95%CI: 87.2~100.0). The median PFS of the 27 pts was not yet available. The safety profile indicated that the most common drug-related adverse events were myelosuppression, gastrointestinal reaction, fatigue, hypertension, constipation, hypokalemia and hepatotoxicity. The common grade 3-4 treatment-related adverse events were myelosuppression (18.5%), hypertension (7.4%). Conclusions: The current results indicated that paclitaxel and cisplatin combined with anlotinib as first line therapy for advanced ESCC exhibited encouraging efficacy and manageable adverse events. The conclusion should be validated in more pts consecutively. Clinical trial information: NCT04063683. [Table: see text]

scholarly journals First-line Helicobacter pylori Eradication Rate of the 10-day Hybrid Therapy

2020 ◽  
Vol 20 (4) ◽  
pp. 300-305
Author(s):  
Jeong Hun Park ◽  
Dongwoo Kim ◽  
Jung Wan Choe ◽  
Seung Young Kim ◽  
Sung Woo Jung ◽  
...  
Keyword(s):  
Helicobacter Pylori ◽  
Eradication Rate ◽  
Standard Dose ◽  
Dual Therapy ◽  
Helicobacter Pylori Infection ◽  
First Line ◽  
Hybrid Therapy ◽  
First Line Therapy ◽  
Line Therapy ◽  
Significant Difference

Background/Aims: To improve the eradication rate of a first-line therapy for Helicobacter pylori infection, alternate regimens such as sequential, concomitant, and hybrid therapies have been tried. The aim of this study was to evaluate the eradication rate of the 10-day hybrid therapy as a first-line therapy.Materials and Methods: This retrospective study enrolled 124 patients from the Korea University Ansan Hospital between April 2016 and December 2019. The 10-day hybrid therapy comprised 5 days of dual therapy (proton pump inhibitor [PPI] standard dose and amoxicillin 1 g, twice daily) followed by 5 days of quadruple therapy (PPI, amoxicillin 1 g, clarithromycin 500 mg, and metronidazole 500 mg, twice daily). We compared the 10-day hybrid therapy with the 10-day concomitant therapy comprising PPI, amoxicillin 1 g, clarithromycin 500 mg, and metronidazole 500 mg, twice daily. Eradication was assessed by a <sup>13</sup>C-urea breath test or gastroscopic biopsy at least 4 weeks after treatment completion.Results: The eradication rates of the 10-day hybrid and concomitant therapies were 74.2% (46/62) and 67.7% (42/62), respectively, in the intention-to-treat (ITT) analysis and 88.5% (46/52) and 82.4% (42/51), respectively, in the per-protocol (PP) analysis. There was no significant difference in the eradication rates between the two groups in the ITT (P=0.429) and PP analysis (P=0.380). Adverse events developed in 75.0% and 70.6% of patients in the hybrid and concomitant groups, respectively, but there was no significant difference (P=0.615).Conclusions: The 10-day hybrid therapy can be an option for a first-line therapy of Helicobacter pylori infection.

Update results of paclitaxel and cisplatin in combination with anlotinib as first-line regimen for patients with advanced ESCC: A multicenter, single-arm, open-label phase Ⅱ clinical trial.

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. e16013-e16013
Author(s):  
Junsheng Wang ◽  
Tao Wu ◽  
Suxia Luo ◽  
Ning Li ◽  
Yonggui Hong ◽  
...  
Keyword(s):  
Clinical Trial ◽  
Adverse Events ◽  
Safety Profile ◽  
Locally Advanced ◽  
Efficacy And Safety ◽  
First Line ◽  
Open Label ◽  
First Line Therapy ◽  
Line Therapy ◽  
The Common

e16013 Background: Paclitaxel combined with cisplatin regimen has been the standard first-line therapy in advanced Esophageal Squamous Cell Carcinoma (ESCC) for almost two decades. However, the 5-year survival rate was only 4.8% in advanced ESCC. Therefore, more effective therapeutic treatments were needed to prolong the survival urgently. Anlotinib was demonstrated to be an effective second-line monotherapy for patients with advanced or recurrent ESCC in China. And the preliminary results of our trial had been reported in 2020 ESMO (Abs 1448) and 2021 ASCO-GI Symposium (Abs 181). Consequently, this study was to investigate the efficacy and safety of paclitaxel and cisplatin combined with anlotinib as first-line therapy in advanced ESCC and report the update results regularly. Methods: Pts with previously untreated metastatic or unresectable, locally advanced ESCC, who had not received (neo) adjuvant therapy/radical surgery within 6 months were recruited in this study. Eligible patients were given paclitaxel (135mg/m2, iv, q3w) and cisplatin (60̃75mg/m2, iv, d1̃3, q3w) plus anlotinib (10mg, po, d1̃14, q3w) for 4̃6 cycles as initial therapy. For those who did not have disease progression, maintenance treatment was treated with anlotinib monotherapy (10mg, po, d1̃14, q3w) until progression or unacceptable toxicity. The tumor response was assessed by investigator according to RECIST version 1.1 criteria using computed tomography scans every two cycles. The predefined sample size was 47. The primary endpoint was PFS and secondary endpoints included safety, ORR, DCR and DOR. Results: From Oct 2019 to Dec 2020, a total of 45 patients were enrolled. Among 34 pts who were available for efficacy and safety evaluation. there were 1 confirmed CR (2.9%), 26 confirmed PR (76.5%), 2 unconfirmed PR (5.9%) and 5 SD (14.7%). Consequently, ORR was 79.4% (95%CI: 62.1̃91.3) and DCR was 100.0% (95%CI: 89.7̃100.0). At the data cut-off date, 11 patients discontinued treatment due to PD, the preliminary prognostic result indicated that the median PFS of the 34 patients was 9.76 months (95%CI: 8.44-13.08). And the median OS was not yet available. Additionally, safety profile exhibited that the common drug-related adverse events were myelosuppression, gastrointestinal reaction, fatigue, hypertension, constipation, hypokalemia, hepatotoxicity and hemoptysis. And the common grade ≥3 adverse events were myelosuppression (20.6%), hypertension (8.8%), nausea and vomit (5.9%), fatigue (5.9%) and hypokalemia (5.9%). Conclusions: The update results suggested that the regimen of paclitaxel and cisplatin combined with anlotinib as first-line therapy for advanced ESCC exhibited encouraging efficacy and tolerable safety profile. And the conclusions needed to be confirmed in trials continued subsequently. Clinical trial information: NCT04063683.

ALTER-C-001: Efficacy and safety of anlotinib plus XELOX regimen as first-line treatment followed by maintenance monotherapy of anlotinib for patients with mCRC—A single-arm, multicenter, phase Ⅱ clinical trial.

2021 ◽  
Vol 39 (3_suppl) ◽  
pp. 70-70
Author(s):  
Jin Yan ◽  
Li Zhang ◽  
Yongdong Jin ◽  
Yunwei Han ◽  
Hao Sun
Keyword(s):  
Clinical Trial ◽  
Adverse Events ◽  
Maintenance Therapy ◽  
Performance Status ◽  
Line Treatment ◽  
Efficacy And Safety ◽  
First Line ◽  
Open Label ◽  
Multicenter Phase ◽  
First Line Treatment

70 Background: The combination of anti-VEGF or anti-EGFR targeted drugs with chemotherapy is considered as the standard first-line therapy for metastatic colorectal cancer (mCRC), and maintenance treatment is proven to be a promising and controversial therapeutic strategy which is mainly involved bevacizumab or capecitabine. However, studies regarding the maintenance strategies based on antiangiogenic TKIs are limited currently. Anlotinib is a novel oral multi-target TKI which can inhibit both tumor angiogenesis and tumor cell proliferation simultaneously. Previous studies indicated that anlotinib demonstrated clinical benefits for patients with mCRC. This study aimed to evaluate the efficacy and safety of anlotinib plus XELOX as first-line treatment followed by anlotinib maintenance therapy for mCRC. Methods: ALTER-C-001 trial was an open label, single-arm, multicenter phase II study. A calculated sample size of 53 patients with previously untreated mCRC, ranging from 18-75 years old and an ECOG performance status ≤ 1 were planned to recruit. Eligible patients were treated with capecitabine (1000 mg/m2, po, d1-14, q3w) and oxaliplatin (130 mg/m2, iv, d1, q3w) plus anlotinib (10mg, po, d1~14, q3w) for 6 cycles followed by maintenance therapy of anlotinib (12mg, po, d1~14, q3w) until disease progression or intolerable adverse events (AEs). The primary endpoint was progression-free survival (PFS). Secondary endpoints were ORR, DCR, DOR and safety. Results: From January 2020 to September 2020, a total of 9 patients were enrolled, 6 patients were available for efficacy assessment. In best overall response assessment (all confirmed), there were 66.7% PR (4/6), 16.7% SD (1/6) and 16.7% PD (1/6). The preliminary ORR and DCR of the 6 patients was 66.7% (95% CI, 22.3-95.7%) and 83.3% (95% CI, 35.9-99.6%), respectively. The median PFS was not reached. Most treatment-related adverse events (TRAEs) were grade 1-2. Grade 3 or above TRAEs were as follows: hypertriglyceridemia (33.3%), hypertension (16.7%), neutropenia (16.7%) and lipase elevated (16.7%). No grade 5 AEs were observed. Conclusions: The preliminary results indicated that anlotinib plus XELOX regimen followed by anlotinib monotherapy as first-line treatment exhibited antitumor efficacy and manageable toxicity for patients with mCRC. The study is still ongoing and the data will be updated subsequently. Clinical trial information: ChiCTR1900028417.

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