scholarly journals Long-Term Tolerability and Efficacy of Carboplatin/Pemetrexed as Maintenance Therapy for a Patient With Lung Adenocarcinoma

2021 ◽  
Author(s):  
Lixia Ju ◽  
Juan Yang
Keyword(s):  
Maintenance Therapy ◽  
Lung Adenocarcinoma ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
Ecog Performance Status ◽  
Free Survival ◽  
Term Tolerability ◽  
First Time

Abstract BackgroundIt is widely known that platinum-based doublet chemotherapy (PBC) only can be applied to first-line patients with non-small cell lung cancer (NSCLC) with good performance for 4-6 cycles. However, in this case report the patient has been treated with PBC for 30 cycles and more than three years. Case presentationA 63-year-old Chinese man was diagnosed with stage IVa lung adenocarcinoma, with Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0. This patient did not respond to pemetrexed alone, but respond to pemetrexed and carboplatin, and once the chemotherapy was interrupted for more than two months, the disease would progressed. Moreover, there was little adverse reactions (AE), so we have treated him with PBC for 30 cycles and the progression-free survival (PFS) will be more than three years.ConclusionsThis is the first time to report PBC as maintenance therapy in patients with NSCLC. We hope that oncologists will notice that some diseases are very aggressive, and maintenance therapy are very important to some patients and may help to get longer overall survival time.

Efficacy of anlotinib in advanced soft tissue sarcoma by age, gender, and ECOG performance status.

2020 ◽  
Vol 38 (15_suppl) ◽  
pp. e23562-e23562
Author(s):  
Zhiwei Fang ◽  
Yang Yao ◽  
Jianqiang Cai ◽  
Yihebali Chi ◽  
Shusen Wang ◽  
...  
Keyword(s):  
Performance Status ◽  
Single Agent ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
Ecog Performance Status ◽  
Free Survival ◽  
Cautious Interpretation ◽  
Ecog Ps ◽  
The Relationship ◽  
Clinical Trial Information

e23562 Background: ALTER0203 was a randomized phase IIB trial (NCT02449343) that demonstrated single-agent activity of anlotinib in advanced STS (aSTS). The primary endpoint progression-free survival (PFS) was met and presented as an oral presentation in 2018 ASCO. We evaluated the relationship between age, gender and ECOG performance status. Methods: Median PFS was analyzed in subgroups of age (≤40 y; > 40 y), gender (male; female) and ECOG performance status score (0; 1). All analyses were exploratory and required cautious interpretation. Results: A total of 158 patients received anlotinib in the ALTER0203 study. 79 patients (50.0%) were > 40 y. Median PFS was longer in patients of age > 40 y than ≤40 y (7.43 vs 5.43 months, P = 0.40). In patients receiving anlotinib, 76 patients (48.1%) were female and median PFS was longer in female than male (9.80 vs 4.43 months, P = 0.002). All enrolled patients had a Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1. 107 patients (67.7%) were with poor PS (ECOG PS = 1). The median PFS was longer in PS of 1(8.43 vs 4.73, P = 0.53) than PS of 0. Conclusions: In patients receiving anlotinib, longer mPFS was observed in patients of age > 40 y, ECOG PS = 1 and female. Clinical trial information: NCT02449343 .

scholarly journals The Management of Oligoprogression in the Landscape of New Therapies for Metastatic Melanoma

Cancers ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1559 ◽  
Author(s):  
Michele Guida ◽  
Nicola Bartolomeo ◽  
Ivana De Risi ◽  
Livia Fucci ◽  
Andrea Armenio ◽  
...  
Keyword(s):  
Metastatic Melanoma ◽  
Performance Status ◽  
Univariate Analysis ◽  
Local Treatment ◽  
Eastern Cooperative Oncology Group ◽  
Multivariable Analysis ◽  
Progression Free Survival ◽  
Response To Treatment ◽  
Ecog Performance Status ◽  
Free Survival

Background: A limited degree of progression after a response to treatment is labelled as oligoprogression and is a hot topic of metastatic melanoma (MM) management. Rogue progressive metastases could benefit from local treatment, which could allow the continuation of ongoing systemic therapy, also known as treatment beyond progression (TBP). Methods: We retrospectively reviewed 214 selected MM patients who were treated with v-Raf murine sarcoma viral oncogene homolog B (BRAF)/mitogen-activated-extracellular signal-regulated kinase (MEK) or programmed cell death protein 1 (PD-1) inhibitors and received a local treatment continuing TBP. We performed univariate and multivariable analyses to assess the association between therapy outcomes and a series of clinical and biological features. Results: We identified 27 (10%) oligoprogressed patients treated locally with surgery (14), radiosurgery (11), and electrochemotherapy (2). TBP included PD-1 inhibitors (13) and BRAF/MEK inhibitors (14). The median progression-free survival post oligoprogression (PFSPO) was 14 months (5–19 95% confidence interval (C.I.)). In the univariate analysis, a significantly longer PFSPO was associated with complete response (CR), Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0, neutrophils/lymphocytes ratio (N/L) <2, and progression-free survival (PFS) at oligoprogression >11 months. Nevertheless, in the multivariable analysis, only CR and N/L <2 were found to be associated with longer PFSPO. Conclusions: In selected patients, local treatments contribute to controlling oligoprogression for a long time, allowing the continuation of systemic treatment and prolongation of overall survival (OS). Increasing biological and clinical knowledge is improving the accuracy in identifying patients to apply for local ablative therapies.

scholarly journals Toxicity management of regorafenib in patients with gastro-intestinal stromal tumour (GIST) in a tertiary cancer centre

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Florence Chamberlain ◽  
Sheima Farag ◽  
Constance Williams-Sharkey ◽  
Cecilia Collingwood ◽  
Lucia Chen ◽  
...  
Keyword(s):  
Kinase Inhibitor ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
Individual Risk ◽  
Duration Of Treatment ◽  
Ecog Performance Status ◽  
Third Line ◽  
Grade 3 ◽  
Dose Reductions

Abstract Background Regorafenib is a multi-kinase inhibitor approved as third line treatment for metastatic GIST. Dose limiting toxicities are frequently seen and many patients require dose reductions. This study aimed to evaluate regorafenib toxicities and their management in a real-world GIST population. Methods Retrospective review of a prospectively maintained database identified 50 patients with GIST treated with regorafenib at our centre between March 2013 and September 2018. Results Median progression free survival (PFS) was 7.7 months [interquartile range (IQR) 2.8–14.4 months]. Median overall survival (OS) from start of regorafenib to death or last follow up was 15.7 months (IQR 9.2–28.4 months). Baseline median Eastern Cooperative Oncology Group (ECOG) performance status on starting regorafenib was 1. The main reason for discontinuing regorafenib was progressive disease (PD) (31/50 [62%]) rather than toxicity (10/50 [20%]). Grade 3–4 adverse events (AEs) were seen in 23/50 (46%) patients; palmar-plantar erythrodysesthesia (PPE) was most frequently seen (9/50 (18%)). Two patients died whilst on treatment with regorafenib from multi-organ failure secondary to sepsis (4%). Dose reductions were required in 19/50 patients (38%) and 8/50 (16%) patients started regorafenib at a lower dose band than the recommended dose (160 mg) due to comorbidities or concern over a higher individual risk of toxicity. Conclusion Although PD was the main reason for discontinuing treatment, toxicity management and dosing of regorafenib remains critical. Median duration of treatment was longer compared to previous studies suggesting a durable clinical benefit with regorafenib with rigorous toxicity management.

scholarly journals Randomized, Multicenter, Phase II Trial of Gemcitabine and Cisplatin With or Without Veliparib in Patients With Pancreas Adenocarcinoma and a Germline BRCA/PALB2 Mutation

2020 ◽  
Vol 38 (13) ◽  
pp. 1378-1388 ◽  
Author(s):  
Eileen M. O’Reilly ◽  
Jonathan W. Lee ◽  
Mark Zalupski ◽  
Marinela Capanu ◽  
Jennifer Park ◽  
...  
Keyword(s):  
Phase Ii ◽  
Group Performance ◽  
Phase Ii Trial ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
High Response Rate ◽  
Open Label ◽  
Free Survival ◽  
Palb2 Mutation

PURPOSE Five percent to 9% of pancreatic ductal adenocarcinomas (PDACs) develop in patients with a germline BRCA1/2 or PALB2 (g BRCA/PALB2+) mutation. Phase IB data from a trial that used cisplatin, gemcitabine, and veliparib treatment demonstrated a high response rate (RR), disease control rate (DCR), and overall survival (OS) in this population. We designed an open-label, randomized, multicenter, two-arm phase II trial to investigate cisplatin and gemcitabine with or without veliparib in g BRCA/PALB2+ PDAC. PATIENTS AND METHODS Eligible patients had untreated g BRCA/PALB2+ PDAC with measurable stage III to IV disease and Eastern Cooperative Oncology Group performance status of 0 to 1. Treatment for patients in arm A consisted of cisplatin 25 mg/m2 and gemcitabine 600 mg/m2 intravenously on days 3 and 10; treatment for patients in arm B was the same as that for patients in arm A, and arm A also received veliparib 80 mg orally twice per day on days 1 to 12 cycled every 3 weeks. The primary end point was RRs of arm A and arm B evaluated separately using a Simon two-stage design. Secondary end points were progression-free survival, DCR, OS, safety, and correlative analyses. RESULTS Fifty patients were evaluated by modified intention-to-treat analysis. The RR for arm A was 74.1% and 65.2% for arm B ( P = .55); both arms exceeded the prespecified activity threshold. DCR was 100% for arm A and 78.3% for arm B ( P = .02). Median progression-free survival was 10.1 months for arm A (95% CI, 6.7 to 11.5 months) and 9.7 months for arm B (95% CI, 4.2 to 13.6 months; P = .73). Median OS for arm A was 15.5 months (95% CI, 12.2 to 24.3 months) and 16.4 months for arm B (95% CI, 11.7 to 23.4 months; P = .6). Two-year OS rate for the entire cohort was 30.6% (95% CI, 17.8% to 44.4%), and 3-year OS rate was 17.8% (95% CI, 8.1% to 30.7%). Grade 3 to 4 hematologic toxicities for arm A versus arm B were 13 (48%) versus seven (30%) for neutropenia, 15 (55%) versus two (9%) for thrombocytopenia, and 14 (52%) versus eight (35%) for anemia. CONCLUSION Cisplatin and gemcitabine is an effective regimen in advanced g BRCA/PALB2+ PDAC. Concurrent veliparib did not improve RR. These data establish cisplatin and gemcitabine as a standard approach in g BRCA/ PALB2+ PDAC.

Prognostic factors of ado-trastuzumab emtansine treatment in patients with metastatic HER-2 positive breast cancer

2020 ◽  
pp. 107815522092408 ◽  
Author(s):  
Deniz Tataroglu Ozyukseler ◽  
Mustafa Basak ◽  
Seval Ay ◽  
Aygül Koseoglu ◽  
Serdar Arıcı ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Overall Survival ◽  
Group Performance ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Progression Free Survival ◽  
Trastuzumab Emtansine ◽  
Oncology Group ◽  
Cancer Antigen ◽  
Free Survival

Background Ado-trastuzumab emtansine is an antibody-drug conjugate that combines the cytotoxic activity of emtansine with human epidermal growth factor receptor 2-targeted antitumor features of trastuzumab. Objective We conducted a study of metastatic breast cancer patients treated with trastuzumab emtansine. By evaluating progression-free survival, overall survival, and response rates, we aimed to find prognostic factors of trastuzumab emtansine treatment. Methods Our study is a single-center, retrospective, observational study. We have clinical data from 78 patients treated with trastuzumab emtansine for metastatic breast cancer, from May 2016 through May 2019, at Kartal Dr Lutfi Kirdar Education and Research Hospital, Medical Oncology Department. Our objective is to assess the survival and response rates in trastuzumab emtansine-treated individuals and the factors associated with survival. The factors we analyzed were cancer antigen 15-3 sensitivity, Eastern Cooperative Oncology Group-Performance Status, presence or absence of visceral metastases, presence or absence of cranial metastases, and treatment-associated thrombocytopenia. Results Among 78 patients, median progression-free survival was 7.8 months, and overall survival was 21.1 months. Twenty of the patients had an objective tumor response. The results showed that trastuzumab emtansine was tolerable with a manageable safety profile and consistent with the results of the previous literature. Mostly seen adverse events were anemia, thrombocytopenia, fatigue, and increased levels of alkaline phosphatase. Patients with Eastern Cooperative Oncology Group-Performance Status = 2 had worse progression-free survival and overall survival compared to ones with Eastern Cooperative Oncology Group-Performance Status < 2; progression-free survival and overall survival are worse in cancer antigen 15-3-sensitive breast cancer patients. According to our findings, treatment-associated thrombocytopenia was a significant prognostic factor for survival. Patients with thrombocytopenia had 12 months progression-free survival, whereas patients without thrombocytopenia had only 4.1 months progression-free survival. In like manner, overall survival was much better in the thrombocytopenia-experienced patients as 29.5 versus 11.8 months. Conclusions Trastuzumab emtansine prolongs progression-free survival and overall survival with a manageable safety profile. Thrombocytopenia, Eastern Cooperative Oncology Group-Performance Status, and cancer antigen 15-3 are correlated with progression-free survival and/or overall survival.

Activity of a multitargeted, metronomic, and maximum-tolerated dose “chemo-switch” regimen in metastatic renal cell carcinoma (mRCC): A phase II study of sorafenib, gemcitabine (Gem), and metronomic capecitabine (Cap) in patients with advanced mRCC (SOGUG-02–06)

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. 5040-5040
Author(s):  
J. Bellmunt ◽  
J. Trigo ◽  
E. Calvo ◽  
J. Carles ◽  
J. Perez-Gracia ◽  
...  
Keyword(s):  
Vascular Endothelial Cells ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Metronomic Chemotherapy ◽  
Progression Free Survival ◽  
Maximum Tolerated Dose ◽  
Synergistic Activity ◽  
Duration Of Treatment ◽  
Ecog Performance Status ◽  
Multikinase Inhibitor

5040 Background: Maximal tolerated dose (MTD) chemotherapy followed by metronomic chemotherapy (low doses administered on a frequent schedule) acts on tumor vascular endothelial cells and enhances the antitumor effect of anti-angiogenic agents (Pietras et al. J Clin Oncol. 2007). This study investigated treatment of mRCC with Gem at MTD combined with metronomic Cap and the multikinase inhibitor sorafenib. Methods: Eligible patients had cytologically or histologically confirmed mRCC, Eastern Cooperative Oncology Group (ECOG) performance status ≤1 and no previous targeted therapy or chemotherapy, and were unsuitable for or intolerant to immunotherapy. Treatment consisted of six 3-week cycles of Gem 1000 mg/m2 i.v. (days 1 and 8), oral Cap 500 mg/m2 b.i.d. (days 1 to 14) and oral sorafenib 400 mg b.i.d. (every day), followed by sorafenib monotherapy (at the discretion of the investigator). Study endpoints included median progression-free survival (PFS, primary endpoint), disease control rate according to Response Evaluation Criteria in Solid Tumors, and safety. Results: Forty patients were enrolled and received at least one dose of treatment (median age 63 yrs, male n = 24, ECOG 0/1 n = 18/22, 1–2/>2 metastatic sites n = 31/9). Median duration of treatment was 6 months. Among 36 evaluable patients, 17 (47%) had a partial response and 17 (47%) achieved stable disease. Median PFS was 10.2 months (95% CI 7.6, 20.5). The most common adverse events (AEs) were fatigue/asthenia (78%) hand-foot syndrome (75%) and mucositis (69%). Most AEs were grade1/2, no grade 4 toxicities occurred. One patient had grade 5 dyspnea; 6 patients discontinued treatment for AEs. Conclusions: PFS and objective responses in this study were greater than those observed in previous studies with Gem and Cap or sorafenib monotherapy in patients with mRCC, while AEs remained moderate in the majority of patients. These findings confirm the synergistic activity of the “chemo-switch” concept seen in preclinical models. The combination of sorafenib with MTD Gem and metronomic Cap warrants further investigation in mRCC. [Table: see text]

Treatment guided by ERCC1, RRM1, and BRCA1 protein expression in patients with advanced-stage NSCLC

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. e19094-e19094
Author(s):  
B. Han ◽  
J. Shen ◽  
Z. Gao
Keyword(s):  
Protein Expression ◽  
Performance Status ◽  
Eastern Cooperative Oncology Group ◽  
Stage Iv ◽  
Progression Free Survival ◽  
Stage Iiib ◽  
Advanced Stage ◽  
Ecog Performance Status ◽  
Brca1 Protein ◽  
Chemotherapy Group

e19094 Purpose: We investigated whether Treatment Guided by ERCC1,RRM1 and BRCA1 protein expression levels could improve clinical outcomes in Patients With Advanced-Stage NSCLC. Experimental Design: Eligibility: Main inclusion criteria: Stage IV or stage IIIB NSCLC; Eastern Cooperative Oncology Group(ECOG) performance status (PS) 0–1; Measurable disease; Adequate bone marrow, kidney, liver function. Main exclusion criteria: previous NSCLC therapy; Central nervous system metastasis; Requiring immediate intervention or Untreated with radiation within 28 days of study regimen initiation. Previously untreated patients with Stage IV or stage IIIB NSCLC(N=180): Standard chemotherapy group(N=60): Cisplatin 75mg/m2 Day1+Vinorelbine 25mg/m2 Days 1,8 every 28 days; Individualized chemotherapy group (N=120) (ERCC1,RRM1 and BRCA1 protein expression assayed with IHC); Low ERCC1 protein expression subgroup: Cisplatin 75mg/m2 Day1+Vinorelbine 25mg/m2 Days 1,8 every 28 days; High ERCC1 protein subgroup: Vinorelbine 25mg/m2 Days 1,8+Gemcitabine 1250mg/m2 Days 1,8 every 28 days. Description of Current Analysis: ERCC1,RRM1 and BRCA1 protein expression assayed with IHC; Assigned treatment based on ERCC1 protein expression; Primary endpoint: overall response rate; Secondary endpoints: Overall survival (OS), Progression-free survival (PFS). Enrollment progress (As of time Dec-31–2008): See Table . [Table: see text] No significant financial relationships to disclose.

Efficacy and safety of oral etoposide maintenance therapy following cisplatin plus etoposide in advanced small cell lung cancers (Study of the Anatolian Society of Medical Oncology).

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. e18546-e18546
Author(s):  
Zuhat Urakci ◽  
Muhammet Ali Kaplan ◽  
Olcun Umit Unal ◽  
Mehmet Kucukoner ◽  
Alper Sevinc ◽  
...  
Keyword(s):  
Maintenance Therapy ◽  
Performance Status ◽  
Progression Free Survival ◽  
Small Cell ◽  
Oral Etoposide ◽  
Efficacy And Safety ◽  
Small Cell Lung ◽  
Ecog Performance Status ◽  
Lung Cancers ◽  
Grade 3

e18546 Background: Small cell lung cancers (SCLC) constitute a mean of 15% of lung cancers and present with advanced disease at time of diagnosis in 60% of cases. Cisplatin plus etoposide schedule is the standard treatment in these patients , whereas the role of maintenance therapy is debated. We assessed the efficacy and safety of oral etoposide maintenance therapy following cisplatin plus etoposide in advanced SCLC. Methods: Demographic features, treatment response, survival rate, and toxicity rate were assessed in our patients who were followed up for advanced SCLC between 2006 and 2012, had a ECOG performance status of 0-1, and were given oral etoposide maintenance therapy (50mg/day, given 14 days of a 21-day cycle, a total of 6 cycles) following 6 courses of cisplatin (75 mg/m2, 1 day) and etoposide (100mg/m2, 3 days). Results: A total of 51 patients were studied, 46 (90.2%) of whom were male; the mean age was 59 (28-78) years at diagnosis. Forty-four (86.2%) patients had partial remission while 7 (13.7%) had complete remission. Nine (17.6%) developed neutropenic fever while grade 3-4 toxicities, neutropenia, anemia, thrombocytopenia, neuropathy, diarrhea, nausea and vomiting were present in 39.2%, 9.8%, 5.9%, 1.9%, 3.9%, 3.9%, and 1.9% respectively. Chemotherapy was postponed in fourteen (27.4%) patients due to toxicity. Six (11.7%) patients taking oral etoposide developed febrile neutropenia and 3 (5.9%) developed grade 3-4 thrombocytopenia. Chemotherapy was postponed in 5 (9.8%) patients due to toxicity while no toxic death was observed. After a median follow-up of 19 months, 32 (62.7%) patients experienced progression of disease and 29 (56.8%) died. Median progression free survival was found 11.6 months (%95 CI; 10.2-12.9 months) and median overall survival was found 15.6 (%95CI; 11.5-19.7 months) months. Conclusions: Our results were similar with the previous literature. Oral etoposide maintenance therapy following cisplatin plus etoposide therapy in advanced SCLC is effective and tolerable. Further randomized studies are needed in this topic.

Clinical correlates of response to anti-PD-1 (aPD1)-based therapy in patients (pts) with metastatic melanoma (MM).

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e21000-e21000
Author(s):  
Elizabeth J. Davis ◽  
Shilin Zhao ◽  
Fei Ye ◽  
Katherine Rappazzo ◽  
Jeffrey Alan Sosman ◽  
...  
Keyword(s):  
Performance Status ◽  
Progression Free Survival ◽  
Clinical Predictors ◽  
Ecog Performance Status ◽  
Free Survival ◽  
Size Number ◽  
Multivariable Analyses ◽  
Status Number ◽  
Univariate Analyses ◽  
Selection Of

e21000 Background: aPD1, alone or in combination with ipilimumab (IPI), produces durable responses in a subset of MM. Tumor features that correlate with treatment response, including size, number, and location of metastases (mets) are not well defined. Methods: We collected clinical data from mm pts treated at one center who received aPD1 (n = 185) or aPD1 + IPI (n = 42). We correlated number of mets, size of largest tumor, and organ involvement with response rate (RR), progression-free survival (PFS) and overall survival (OS). Results: Among all pts, RR was 67% for aPD1 + IPI and 41% for aPD1 alone. In univariate analyses, responders to aPD1 had lower diameter of largest tumor (4cm vs. 5.5cm; p = 0.02) whereas aPD1 + IPI had equivalent largest tumor diameters (p = 0.65). Regarding sites of mets, liver mets were associated with lower RR in aPD1 treated pts (26% vs. 46%), lower PFS (median 138 vs. 326 days, p = 0.02), and lower OS (median 334 vs. 1080 days, p < 0.01). No associations with RR, PFS, or OS were observed with liver mets in aPD1 + IPI treated pts. We also did not observe any differences between pts who did or did not have lung, lymph node, or brain mets for either aPD1 or aPD1 + IPI. Interestingly, superior RR to aPD1 + IPI was observed in pts with bone mets compared to those without bone mets (91% vs. 58%, p = 0.048). Regarding number of sites, RR to aPD1 was greater in pts with ≤10 mets compared with those with > 10 (46% vs. 28%, p = 0.02), although no consistent relationship was observed at lower cutoffs. In multivariable analyses, diameter of largest tumor (tumor bulk) was independently associated with PFS (OR, 1.11, p < 0.001) and OS (OR 1.08, p < 0.001) whereas AJCC stage, lactate dehydrogenase, liver mets, ECOG performance status, number of mets, and prior therapies were not significant. Tumor bulk and other risk factors were not associated with PFS or OS in aPD1 + IPI. Conclusions: Tumor bulk was strongly and independently associated with clinical outcomes in aPD1 but not IPI + aPD1. Other associations with disease sites (liver and bone) need further validation. In conjunction with molecular biomarkers, clinical predictors may help guide selection of aPD1 or aPD1 + IPI.

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