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In a trial comparing enfortumab vedotin and a PD-1 inhibitor with chemotherapy in patients with untreated advanced or metastatic urothelial cancer, progression-free and overall survival nearly doubled with the experimental treatment.

Patients with resectable lung cancer were assigned to neoadjuvant pembrolizumab or placebo plus chemotherapy and adjuvant pembrolizumab or placebo. Two-year event-free survival was 62.4% with pembrolizumab and 40.6% with placebo.

Patients with human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma have high survival when treated with radiotherapy plus cisplatin. Whether replacement of cisplatin with cetuximab—an antibody against the epidermal growth factor receptor—can preserve high survival and reduce treatment toxicity is unknown. We investigated whether cetuximab would maintain a high proportion of patient survival and reduce acute and late toxicity. RTOG 1016 was a randomised, multicentre, non-inferiority trial at 182 health-care centres in the USA and Canada. Eligibility criteria included histologically confirmed HPV-positive oropharyngeal carcinoma; American Joint Committee on Cancer 7th edition clinical categories T1–T2, N2a–N3 M0 or T3–T4, N0–N3 M0; Zubrod performance status 0 or 1; age at least 18 years; and adequate bone marrow, hepatic, and renal function. We randomly assigned patients (1:1) to receive either radiotherapy plus cetuximab or radiotherapy plus cisplatin. Randomisation was balanced by using randomly permuted blocks, and patients were stratified by T category (T1–T2 vs T3–T4), N category (N0–N2a vs N2b–N3), Zubrod performance status (0 vs 1), and tobacco smoking history (≤10 pack-years vs >10 pack-years). Patients were assigned to receive either intravenous cetuximab at a loading dose of 400 mg/m2 5–7 days before radiotherapy initiation, followed by cetuximab 250 mg/m2 weekly for seven doses (total 2150 mg/m2), or cisplatin 100 mg/m2 on days 1 and 22 of radiotherapy (total 200 mg/m2). All patients received accelerated intensity-modulated radiotherapy delivered at 70 Gy in 35 fractions over 6 weeks at six fractions per week (with two fractions given on one day, at least 6 h apart). The primary endpoint was overall survival, defined as time from randomisation to death from any cause, with non-inferiority margin 1·45. Primary analysis was based on the modified intention-to-treat approach, whereby all patients meeting eligibility criteria are included. This study is registered with ClinicalTrials.gov, number NCT01302834. Between June 9, 2011, and July 31, 2014, 987 patients were enrolled, of whom 849 were randomly assigned to receive radiotherapy plus cetuximab (n=425) or radiotherapy plus cisplatin (n=424). 399 patients assigned to receive cetuximab and 406 patients assigned to receive cisplatin were subsequently eligible. After median follow-up duration of 4·5 years, radiotherapy plus cetuximab did not meet the non-inferiority criteria for overall survival (hazard ratio [HR] 1·45, one-sided 95% upper CI 1·94; p=0·5056 for non-inferiority; one-sided log-rank p=0·0163). Estimated 5-year overall survival was 77·9% (95% CI 73·4–82·5) in the cetuximab group versus 84·6% (80·6–88·6) in the cisplatin group. Progression-free survival was significantly lower in the cetuximab group compared with the cisplatin group (HR 1·72, 95% CI 1·29–2·29; p=0·0002; 5-year progression-free survival 67·3%, 95% CI 62·4–72·2 vs 78·4%, 73·8–83·0), and locoregional failure was significantly higher in the cetuximab group compared with the cisplatin group (HR 2·05, 95% CI 1·35–3·10; 5-year proportions 17·3%, 95% CI 13·7–21·4 vs 9·9%, 6·9–13·6). Proportions of acute moderate to severe toxicity (77·4%, 95% CI 73·0–81·5 vs 81·7%, 77·5–85·3; p=0·1586) and late moderate to severe toxicity (16·5%, 95% CI 12·9–20·7 vs 20·4%, 16·4–24·8; p=0·1904) were similar between the cetuximab and cisplatin groups. For patients with HPV-positive oropharyngeal carcinoma, radiotherapy plus cetuximab showed inferior overall survival and progression-free survival compared with radiotherapy plus cisplatin. Radiotherapy plus cisplatin is the standard of care for eligible patients with HPV-positive oropharyngeal carcinoma. National Cancer Institute USA, Eli Lilly, and The Oral Cancer Foundation.

The incidence of human papillomavirus (HPV)-positive oropharyngeal cancer, a disease affecting younger patients, is rapidly increasing. Cetuximab, an epidermal growth factor receptor inhibitor, has been proposed for treatment de-escalation in this setting to reduce the toxicity of standard cisplatin treatment, but no randomised evidence exists for the efficacy of this strategy. We did an open-label randomised controlled phase 3 trial at 32 head and neck treatment centres in Ireland, the Netherlands, and the UK, in patients aged 18 years or older with HPV-positive low-risk oropharyngeal cancer (non-smokers or lifetime smokers with a smoking history of <10 pack-years). Eligible patients were randomly assigned (1:1) to receive, in addition to radiotherapy (70 Gy in 35 fractions), either intravenous cisplatin (100 mg/m2 on days 1, 22, and 43 of radiotherapy) or intravenous cetuximab (400 mg/m2 loading dose followed by seven weekly infusions of 250 mg/m2). The primary outcome was overall severe (grade 3–5) toxicity events at 24 months from the end of treatment. The primary outcome was assessed by intention-to-treat and per-protocol analyses. This trial is registered with the ISRCTN registry, number ISRCTN33522080. Between Nov 12, 2012, and Oct 1, 2016, 334 patients were recruited (166 in the cisplatin group and 168 in the cetuximab group). Overall (acute and late) severe (grade 3–5) toxicity did not differ significantly between treatment groups at 24 months (mean number of events per patient 4·8 [95% CI 4·2–5·4] with cisplatin vs 4·8 [4·2–5·4] with cetuximab; p=0·98). At 24 months, overall all-grade toxicity did not differ significantly either (mean number of events per patient 29·2 [95% CI 27·3–31·0] with cisplatin vs 30·1 [28·3–31·9] with cetuximab; p=0·49). However, there was a significant difference between cisplatin and cetuximab in 2-year overall survival (97·5% vs 89·4%, hazard ratio 5·0 [95% CI 1·7–14·7]; p=0·001) and 2-year recurrence (6·0% vs 16·1%, 3·4 [1·6–7·2]; p=0·0007). Compared with the standard cisplatin regimen, cetuximab showed no benefit in terms of reduced toxicity, but instead showed significant detriment in terms of tumour control. Cisplatin and radiotherapy should be used as the standard of care for HPV-positive low-risk patients who are able to tolerate cisplatin. Cancer Research UK.

Abstract Introduction We assessed immune-mediated adverse events (imAEs) in the TOPAZ-1 (NCT03875235) study of durvalumab plus gemcitabine and cisplatin (GemCis) in advanced biliary tract cancer (aBTC). Methods Participants were randomized 1:1 to durvalumab (1500 mg) or placebo, plus GemCis (gemcitabine [1000 mg/m2] and cisplatin [25 mg/m2]) intravenously, followed by durvalumab (1500 mg) or placebo Q4W. We assessed imAE incidence, time to onset (TTO), and association with overall survival (OS). Results In durvalumab (n = 338) versus placebo (n = 342), imAEs were reported in 13.9% versus 4.7% of participants, with median TTO of 127.0 versus 86.5 days, respectively. OS HR for durvalumab versus placebo in participants with imAEs was 0.59 (95% CI, 0.30-1.23) and was 0.83 (95% CI, 0.70-1.00) in participants without imAEs. Conclusions Durvalumab demonstrated an OS benefit versus placebo in aBTC, irrespective of imAEs, which were mostly low grade and manageable. The results in these subgroups were consistent with the overall primary analysis. Trial registration ClinicalTrials.gov NCT03875235

Cisplatin is an effective treatment for hepatoblastoma but often leads to lifelong irreversible hearing loss. The addition of sodium thiosulfate 6 hours after cisplatin administration preserved the antitumor effect and led to a lower risk of hearing loss (33% vs. 63%).

In patients with urothelial carcinoma, the addition of nivolumab to platinum-based chemotherapy resulted in longer median overall survival than platinum-based chemotherapy alone (21.7 months vs. 18.9 months).

Neoadjuvant chemotherapy followed by radical cystectomy is the standard treatment for cisplatin-eligible patients with muscle-invasive bladder cancer. Adding perioperative immunotherapy may improve outcomes. In this phase 3, open-label, randomized trial, we assigned, in a 1:1 ratio, cisplatin-eligible patients with muscle-invasive bladder cancer to receive neoadjuvant durvalumab plus gemcitabine-cisplatin every 3 weeks for four cycles, followed by radical cystectomy and adjuvant durvalumab every 4 weeks for eight cycles (durvalumab group), or to receive neoadjuvant gemcitabine-cisplatin followed by radical cystectomy alone (comparison group). Event-free survival was one of two primary end points. Overall survival was the key secondary end point. In total, 533 patients were assigned to the durvalumab group and 530 to the comparison group. The estimated event-free survival at 24 months was 67.8% (95% confidence interval [CI], 63.6 to 71.7) in the durvalumab group and 59.8% (95% CI, 55.4 to 64.0) in the comparison group (hazard ratio for progression, recurrence, not undergoing radical cystectomy, or death from any cause, 0.68; 95% CI, 0.56 to 0.82; P<0.001 by stratified log-rank test). The estimated overall survival at 24 months was 82.2% (95% CI, 78.7 to 85.2) in the durvalumab group and 75.2% (95% CI, 71.3 to 78.8) in the comparison group (hazard ratio for death, 0.75; 95% CI, 0.59 to 0.93; P = 0.01 by stratified log-rank test). Treatment-related adverse events of grade 3 or 4 in severity occurred in 40.6% of the patients in the durvalumab group and in 40.9% of those in the comparison group; treatment-related adverse events leading to death occurred in 0.6% in each group. Radical cystectomy was performed in 88.0% of the patients in the durvalumab group and in 83.2% of those in the comparison group. Perioperative durvalumab plus neoadjuvant chemotherapy led to significant improvements in event-free survival and overall survival as compared with neoadjuvant chemotherapy alone. (Funded by AstraZeneca; NIAGARA ClinicalTrials.gov number, NCT03732677; EudraCT number, 2018-001811-59.).

Adding three cycles of induction chemotherapy with gemcitabine and cisplatin to concurrent chemoradiotherapy improved 3-year recurrence-free survival (85.3%, vs. 76.5% with concurrent chemoradiotherapy alone) and overall survival (94.6% vs. 90.3%). Patients receiving induction chemotherapy were more likely to have grade 3 or 4 myelosuppression, nausea, and vomiting.