PMID- 34035370 OWN - NLM STAT- MEDLINE DCOM- 20211105 LR - 20211105 IS - 2045-2322 (Electronic) IS - 2045-2322 (Linking) VI - 11 IP - 1 DP - 2021 May 25 TI - Efficacy, safety and tolerability of drugs studied in phase 3 randomized controlled trials in solid tumors over the last decade. PG - 10843 LID - 10.1038/s41598-021-90403-3 [doi] LID - 10843 AB - Data suggest that for newly approved cancer drugs safety and tolerability are worse than in control arms of registration trials. Less is known about the balance between efficacy and toxicity of drugs studied in unselected phase 3 randomized controlled trials (RCTs) including those not resulting in regulatory approval. We searched Clinicaltrials.gov to identify phase 3 RCTs in patients with advanced breast, colorectal, lung, or prostate cancer completed between January 2005 and October 2016. We extracted efficacy and safety data from publications. For efficacy hazard ratios (HRs) for progression-free survival (PFS) and overall survival (OS) were extracted. For safety, we computed odds ratios (ORs) and 95% confidence intervals (CIs) for toxic death, treatment discontinuation without progression and commonly reported grade 3/4 adverse events (AEs). Data were then pooled in a meta-analysis. Of 377 RCTs identified initially, 143 RCTs comprising 88,603 patients were included in the analysis. Of these, 79 (57%) trials met their primary endpoint. Compared to control groups, both PFS (HR 0.80; 95% CI 0.78-0.82) and OS (HR 0.87; 95% CI 0.85-0.89) were improved with experimental drugs. Toxic death (OR 1.14; 95% CI 1.03-1.27), treatment discontinuation without progression (OR 1.64; 95% CI 1.56-1.71) and grade 3/4 AEs were also more common with experimental drugs compared to respective control group therapy. Just over half of phase 3 RCTs in common solid tumors met their primary endpoint and in nearly half, experimental therapy had worse safety compared to control arms. FAU - Ribnikar, Domen AU - Ribnikar D AD - Department of Medical Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia. AD - Division of Medical Oncology and Hematology, University of Toronto and Princess Margaret Cancer Centre, 610 University Ave, 700U, 7-721, Toronto, ON, M5G 2M9, Canada. FAU - Goldvaser, Hadar AU - Goldvaser H AD - Division of Medical Oncology and Hematology, University of Toronto and Princess Margaret Cancer Centre, 610 University Ave, 700U, 7-721, Toronto, ON, M5G 2M9, Canada. AD - Rabin Medical Center, Davidoff Cancer Center, Beilinson Hospital, Petah Tikva, Israel. AD - Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. FAU - Veitch, Zachary W AU - Veitch ZW AD - Division of Medical Oncology and Hematology, University of Toronto and Princess Margaret Cancer Centre, 610 University Ave, 700U, 7-721, Toronto, ON, M5G 2M9, Canada. FAU - Ocana, Alberto AU - Ocana A AD - Drug Development Program, Hospital Clinico San Carlos and CIBERONC, Madrid, Spain. AD - Translational Oncology Laboratory. Regional Center for Biomedical Research (CRIB), Castilla La Mancha University, Albacete, Spain. FAU - Templeton, Arnoud J AU - Templeton AJ AD - Department of Oncology, St. Claraspital Basel, Basel, Switzerland. AD - Faculty of Medicine, University of Basel, Basel, Switzerland. FAU - Seruga, Bostjan AU - Seruga B AD - Department of Medical Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia. FAU - Amir, Eitan AU - Amir E AD - Division of Medical Oncology and Hematology, University of Toronto and Princess Margaret Cancer Centre, 610 University Ave, 700U, 7-721, Toronto, ON, M5G 2M9, Canada. eitan.amir@uhn.ca. LA - eng PT - Journal Article PT - Meta-Analysis DEP - 20210525 PL - England TA - Sci Rep JT - Scientific reports JID - 101563288 RN - 0 (Antineoplastic Agents) SB - IM MH - Antineoplastic Agents/adverse effects/*therapeutic use MH - Clinical Trials, Phase III as Topic MH - Female MH - Humans MH - Male MH - Neoplasms/*drug therapy MH - Odds Ratio MH - Randomized Controlled Trials as Topic MH - Survival Analysis MH - Treatment Outcome PMC - PMC8149406 COIS- The authors declare no competing interests. EDAT- 2021/05/27 06:00 MHDA- 2021/11/06 06:00 PMCR- 2021/05/25 CRDT- 2021/05/26 06:31 PHST- 2020/04/29 00:00 [received] PHST- 2021/04/30 00:00 [accepted] PHST- 2021/05/26 06:31 [entrez] PHST- 2021/05/27 06:00 [pubmed] PHST- 2021/11/06 06:00 [medline] PHST- 2021/05/25 00:00 [pmc-release] AID - 10.1038/s41598-021-90403-3 [pii] AID - 90403 [pii] AID - 10.1038/s41598-021-90403-3 [doi] PST - epublish SO - Sci Rep. 2021 May 25;11(1):10843. doi: 10.1038/s41598-021-90403-3.