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  • American Society of Clinical Oncology (ASCO)  (3)
  • Nechaeva, Marina  (3)
  • 1
    Online Resource
    Online Resource
    Phase III Trial of Avelumab Maintenance After First-Line Induction Chemotherapy Versus Continuation of Chemotherapy in Patients With Gastric Cancers: Results From JAVELIN Gastric 100
    American Society of Clinical Oncology (ASCO) ; 2021
    In:  Journal of Clinical Oncology Vol. 39, No. 9 ( 2021-03-20), p. 966-977
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 9 ( 2021-03-20), p. 966-977
    Abstract: The role of maintenance therapy for gastric (GC) or gastroesophageal junction cancer (GEJC) is unclear. We investigated avelumab (anti–programmed death ligand-1 [PD-L1]) maintenance after first-line induction chemotherapy for GC/GEJC. PATIENTS AND METHODS JAVELIN Gastric 100 was a global, open-label, phase III trial. Eligible patients had untreated, unresectable, human epidermal growth factor receptor 2–negative, locally advanced or metastatic GC or GEJC. Patients without progressive disease after 12 weeks of first-line chemotherapy with oxaliplatin plus a fluoropyrimidine were randomly assigned 1:1 to avelumab 10 mg/kg every 2 weeks or continued chemotherapy, stratified by region (Asia v non-Asia). The primary end point was overall survival (OS) after induction chemotherapy in all randomly assigned patients or the PD-L1–positive randomly assigned population (≥ 1% of tumor cells; 73-10 assay). RESULTS A total of 805 patients received induction; 499 were randomly assigned to avelumab (n = 249) or continued chemotherapy (n = 250). Median OS was 10.4 months (95% CI, 9.1 to 12.0 months) versus 10.9 months (95% CI, 9.6 to 12.4 months) and 24-month OS rate was 22.1% versus 15.5% with avelumab versus chemotherapy, respectively (hazard ratio [HR], 0.91; 95% CI, 0.74 to 1.11; P = .1779). In the PD-L1–positive population (n = 54), the HR for OS was 1.13 (95% CI, 0.57 to 2.23; P = .6352). In an exploratory analysis of the PD-L1–positive population, defined as combined positive score ≥ 1 (22C3 assay; n = 137), median OS was 14.9 months (95% CI, 8.7 to 17.3 months) with avelumab versus 11.6 months (95% CI, 8.4 to 12.6 months) with chemotherapy (unstratified HR, 0.72; 95% CI, 0.49 to 1.05). With avelumab and chemotherapy, treatment-related adverse events (TRAEs) occurred in 149 (61.3%) and 184 (77.3%) patients, including grade ≥ 3 TRAEs in 31 (12.8%) and 78 (32.8%) patients, respectively. CONCLUSION JAVELIN Gastric 100 did not demonstrate superior OS with avelumab maintenance versus continued chemotherapy in patients with advanced GC or GEJC overall or in a prespecified PD-L1–positive population.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.20.00892
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
    detail.hit.zdb_id: 2005181-5
    Location Call Number Limitation Availability
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  • 2
    Online Resource
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    Final results of a phase II trial of prolgolimab with platinum-based therapy and bevacizumab in patients with advanced cervical cancer.
    American Society of Clinical Oncology (ASCO) ; 2023
    In:  Journal of Clinical Oncology Vol. 41, No. 16_suppl ( 2023-06-01), p. 5536-5536
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 41, No. 16_suppl ( 2023-06-01), p. 5536-5536
    Abstract: 5536 Background: Here we present the final results of single-arm phase II CAESURA (NCT03912402) study of prolgolimab (anti-PD-1 antibody) with platinum doublet and bevacizumab in subjects with advanced cervical cancer (CC). Methods: 58 patients (pts) with metastatic or recurrent/persistent CC with measurable disease received prolgolimab (3 mg/kg) Q3W together with paclitaxel, platinum drug (cis- or carboplatin) and bevacizumab for 6 cycles and then therapy with prolgolimab and bevacizumab until disease progression or toxicity. Objective response rate (ORR) was assessed by central radiology review per RECIST 1.1 (primary endpoint) and iRECIST criteria. CT scans were performed after 9 and 18 weeks of treatment and in case of suspicion on disease progression. Results: Distant metastases at screening had 42 pts, 16 had recurrent or persistent CC. The median age of pts was 48 [38; 58] years old. Squamous cell carcinoma was diagnosed in 50 of 58 subjects. PD-L1 CPS ≥ 1 (22C3) was found in 45 pts, CPS 〈 1 in 6 cases. ORR per RECIST 1.1 was 63.8% (37 of 58 pts) and included 2 complete, 35 partial responses. ORR per iRECIST was 70.7% (41 of 58 pts) with 2 complete and 39 partial responses. At the cut-off date (12 months) PFS (secondary endpoint) per RECIST 1.1 criteria counted 8.5 (95% CI 5.7; 10.9) months, per iRECIST criteria it reached 13.1 (95% CI 8.1; 13.6) months. Median overall survival was not reached. Any grade adverse events (AEs) occurred in 98% (57/58) of pts, of them in 69% (40/58) they were related to study treatment, including 12 cases of severe events (gr. 3 or higher). Immune-related AEs (irAEs) occurred in 38% (22/58) of pts. The most common irAEs were gr. 1–2 endocrine disorders (26%), including thyroid disorders and one case of gr. 2 adrenal insufficiency. Other important irAEs included 2 cases of enterocolitis (gr. 3 and 4), 1 case of dermatitis (gr. 3), several cases of gr. 2–3 transaminase elevation (9%). In 15 pts at least one component of study treatment was discontinued due to AE, of them 4 events were related to study treatment (including immune-related enterocolitis and adrenal insufficiency). Conclusions: Prolgolimab in combination with chemotherapy and bevacizumab demonstrated promising efficacy, known and acceptable safety profile in pts with advanced CC. Phase III placebo-controlled trial evaluating prolgolimab with chemotherapy and bevacizumab (NCT03912415) as first-line therapy option in subjects with CC is ongoing. Clinical trial information: NCT03912402 .
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2023.41.16_suppl.5536
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2023
    detail.hit.zdb_id: 2005181-5
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Results of the JAVELIN Gastric 100 phase 3 trial: avelumab maintenance following first-line (1L) chemotherapy (CTx) vs continuation of CTx for HER2− advanced gastric or gastroesophageal junction cancer (GC/GEJC).
    American Society of Clinical Oncology (ASCO) ; 2020
    In:  Journal of Clinical Oncology Vol. 38, No. 4_suppl ( 2020-02-01), p. 278-278
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 38, No. 4_suppl ( 2020-02-01), p. 278-278
    Abstract: 278 Background: We report the primary analysis of JAVELIN Gastric 100, which compared avelumab (anti–PD-L1) maintenance after 1L CTx vs continued CTx in patients (pts) with GC/GEJC. Methods: In this global, open-label, phase 3 trial (NCT02625610), eligible pts had previously untreated, unresectable, locally advanced/metastatic (LA/M) HER2− GC/GEJC. Pts without progressive disease (PD) after 12 weeks of 1L oxaliplatin/fluoropyrimidine induction were randomized 1:1 to avelumab 10 mg/kg Q2W switch maintenance or continued CTx, stratified by region (Asia vs non-Asia). Primary endpoint was overall survival (OS) post induction in all randomized or PD-L1+ (≥1% of tumor cells, 73-10 assay) pts. Results: 805 pts received induction CTx and 499 pts were randomized (avelumab, n = 249; CTx, n = 250). At data cutoff (Sep 13, 2019), minimum follow-up was 18 months. In the avelumab and CTx arms, median OS post induction/randomization was 10.4 months (95% CI 9.1-12.0) vs 10.9 months (95% CI 9.6-12.4), hazard ratio (HR) 0.91 (95% CI 0.74-1.11; p = 0.1779); 24-month OS rates were 22.1% (95% CI 16.8-28.0) vs 15.5% (95% CI 10.8-20.9), respectively. The HR for OS in PD-L1+ pts (n = 54) was 1.13 (95% CI 0.57-2.23). No OS trend was seen in Asian pts (n = 114; HR 0.90 [95% CI 0.59-1.36]) or other subgroups, except for a potential benefit with avelumab in pts with no metastatic sites at randomization (n = 60; HR 0.52 [95% CI 0.28-0.98] ). Progression-free survival was similar between arms (HR 1.04 [95% CI 0.85-1.28] ). In the avelumab vs CTx arms, objective response rates (post randomization only) were 13.3% (95% CI 9.3-18.1) vs 14.4% (95% CI 10.3-19.4), and 12-month rates for duration of response were 62.3% (95% CI 40.9-77.9) vs 28.4% (95% CI 13.2-45.7), respectively. Treatment-related adverse event rates (all grades/grade ≥3) were 61.3%/12.8% with avelumab and 77.3%/32.8% with CTx. Conclusions: Avelumab maintenance showed clinical activity and favorable safety vs continued CTx in pts with LA/M GE/GEJC; however, JAVELIN Gastric 100 did not meet its primary objective of demonstrating superior OS in the randomized or PD-L1+ population. Clinical trial information: NCT02625610.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2020.38.4_suppl.278
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2020
    detail.hit.zdb_id: 2005181-5
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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