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Eng L, Brual J, Nagee A, Mok S, Fazelzad R, Chaiton M, Saunders D, Mittmann N, Truscott R, Liu G, Bradbury P, Evans W, Papadakos J, Giuliani M. Reporting of tobacco use and tobacco-related analyses in cancer cooperative group clinical trials: a systematic scoping review. ESMO Open 2022; 7:100605. [PMID: 36356412 PMCID: PMC9646674 DOI: 10.1016/j.esmoop.2022.100605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/21/2022] [Accepted: 09/23/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Continued smoking after a diagnosis of cancer negatively impacts cancer outcomes, but the impact of tobacco on newer treatments options is not well established. Collecting and evaluating tobacco use in clinical trials may advance understanding of the consequences of tobacco use on treatment modalities, but little is known about the frequency of reporting and analysis of tobacco use in cancer cooperative clinical trial groups. PATIENTS AND METHODS A comprehensive literature search was conducted to identify cancer cooperative group clinical trials published from January 2017-October 2019. Eligible studies evaluated either systemic and/or radiation therapies, included ≥100 adult patients, and reported on at least one of: overall survival, disease/progression-free survival, response rates, toxicities/adverse events, or quality-of-life. RESULTS A total of 91 studies representing 90 trials met inclusion criteria with trial start dates ranging from 1995 to 2015 with 14% involving lung and 5% head and neck cancer patients. A total of 19 studies reported baseline tobacco use; 2 reported collecting follow-up tobacco use. Seven studies reported analysis of the impact of baseline tobacco use on clinical outcomes. There was significant heterogeneity in the reporting of baseline tobacco use: 7 reported never/ever status, 10 reported never/ex-smoker/current smoker status, and 4 reported measuring smoking intensity. None reported verifying smoking status or second-hand smoke exposure. Trials of lung and head and neck cancers were more likely to report baseline tobacco use than other disease sites (83% versus 6%, P < 0.001). CONCLUSIONS Few cancer cooperative group clinical trials report and analyze trial participants' tobacco use. Significant heterogeneity exists in reporting tobacco use. Routine standardized collection and reporting of tobacco use at baseline and follow-up in clinical trials should be implemented to enable investigators to evaluate the impact of tobacco use on new cancer therapies.
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Affiliation(s)
- L. Eng
- Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre/University Health Network and University of Toronto, Toronto, Canada,Prof L. Eng, Princess Margaret Cancer Centre, 610 University Avenue, Toronto, Ontario M5G 2M9, Canada. Tel: +1-416-946-2953; Fax: +1-416-946-6546 @Lawson_Eng@MeredithGiulia1@PMcancercentre
| | - J. Brual
- Cancer Education Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - A. Nagee
- Cancer Education Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - S. Mok
- Cancer Education Program, Princess Margaret Cancer Centre, Toronto, Canada
| | - R. Fazelzad
- Library and Information Services, Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
| | - M. Chaiton
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Canada
| | - D.P. Saunders
- Northeast Cancer Centre of Health Sciences North, Northern Ontario School of Medicine, Sudbury, Canada
| | - N. Mittmann
- Canadian Agency for Drugs and Technologies in Health, Toronto, Canada
| | - R. Truscott
- Division of Prevention Policy and Stakeholder Engagement, Ontario Health (Cancer Care Ontario), Toronto, Canada
| | - G. Liu
- Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre/University Health Network and University of Toronto, Toronto, Canada
| | - P.A. Bradbury
- Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre/University Health Network and University of Toronto, Toronto, Canada
| | - W.K. Evans
- Department of Oncology, McMaster University, Hamilton, Canada
| | - J. Papadakos
- Cancer Education Program, Princess Margaret Cancer Centre, Toronto, Canada,Patient Education, Ontario Health (Cancer Care Ontario), Toronto, Canada
| | - M.E. Giuliani
- Cancer Education Program, Princess Margaret Cancer Centre, Toronto, Canada,Department of Radiation Oncology, Princess Margaret Cancer Centre, Toronto, Canada,Correspondence to: Prof M. Giuliani, Princess Margaret Cancer Centre, 610 University Avenue, Toronto, Ontario M5G 2M9, Canada. Tel: +1-416-946-2983; Fax: +1-416-946-6546
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Acharya A, Vaniawala S, Parekh H, Sheikh H, Patel H, Ali R, Khan A, Nagee A, Kunjadia P, Mukhopadhyaya PN. A resequencing program in India detects the rare JAK2 L579F mutation in patients suffering from polycythemia vera and negative for JAK2 V617F. Int J Lab Hematol 2013; 36:e30-3. [PMID: 24033912 DOI: 10.1111/ijlh.12141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- A Acharya
- Dr. D. Y. Patil Biotechnology & Bioinformatics Institute, Pune, India
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Shah M, Nagee A, Kunjadia P, Mukhopadhyaya PN, Kothari IL. Identification of an anonymous RFLP DNA probe through multiple arbitrary amplicon profiling and its use for strain differentiation in a field isolate of cellulose-degrading Aspergillus niger. Bioresour Technol 2006; 97:2335-9. [PMID: 16330211 DOI: 10.1016/j.biortech.2005.10.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2005] [Revised: 10/20/2005] [Accepted: 10/24/2005] [Indexed: 05/05/2023]
Abstract
The genome of Aspergillus niger (MPS-002) was subjected to RAPD fingerprinting using none different random oligonucleotide primers. A 0.7 Kb PCR amplicon, generated by primer-3 could be used as a RFLP probe to differentiate A. niger (ATCC 16880) from A. niger (MPS-002). The probe revealed DNA polymorphism internal to two different EcoRI recognition sequences spaced apart at a distance of 0.4 Kb within a 4.0 Kb EcoRI fragment of the genome of both the strains. Localized genome mapping analysis further revealed that the 0.7 Kb RFLP probe was positioned at a distance of 2.7 Kb and 0.6 Kb from the two ends of a 4.0 Kb EcoRI fragment, respectively within the genome of the two strains of A. niger.
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Affiliation(s)
- M Shah
- Department of Biosciences, Sardar Patel University, Vallabh Vidya Nagar, Gujarat, India
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Mukhopadhyaya PN, Nagee A, Sanyal PK. Dense molecular marking reveals genetic diversity in morphologically similar isolates of the nematophagous fungus Duddingtonia flagrans. Roum Arch Microbiol Immunol 2004; 63:253-70. [PMID: 17240794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Three morphologically similar isolates of Duddingtonia flagrans [(Duddington) R. C. Cooke] viz., Df-2550, Df-2507 and Df-BJ were subjected to RAPD (Randomly Amplified Polymorphic DNA) and SRFA (Selective Fragment Length Amplification) mode of DNA fingerprinting analysis to generate 233 different anonymous DNA markers. Mean number of alleles per primer/primer pair for RAPD and SRFA primers was 13.75 and 29.66 respectively. Phylogenetic analysis through bootstrapping of 1000 simulated replicates of the data set demonstrated that Df-2550 was ancestral in the group of three and did not align with Df-2507 and Df-BJ, which appeared to diversify recently and therefore remained at the end of the phylogenetic tree. Genomic islands were also identified by three SRFA primer pairs, where Df-2550 aligned with Df-BJ, which is reverse to the master consensus-grouping pattern. Scanning image of the amplicon profiles when represented graphically generated unique molecular signature for the isolates.
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Affiliation(s)
- P N Mukhopadhyaya
- Biotechnology Laboratory, National Dairy Development Board, Anand-388001, Gujarat, India.
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Mukhopadhyaya PN, Nagee A, Rathod RN. Molecular cloning of a functional cis-acting, Bam HI-flanked, 1.6 Kb 'Mob' cassette for demonstrating rapid conversion of col EI origin-DNA cloning vectors into conjugal form. Roum Arch Microbiol Immunol 2002; 61:217-29. [PMID: 14752985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
A 1.6 Kb mobilization (Mob) fragment originating from broad host range IncP plasmid RP4 is effectively cloned into two different Col EI-origin based cloning vectors, pBluescript II SK+ and pT-Adv, to generate pPAR-I and pPAR-II, respectively. The vectors have different genetic markers and were demonstrated to get mobilized at significant frequency into a laboratory and an enteroroxigenic strain of Escherichia coli with all the genetic markers of the recombinant clones expressing efficiently in the recipient host cells. Important restriction endonuclease recognition sequences in the multiple cloning sites of the conjugal vector DNA molecules remained unique. Significance and relevance of the current study with regard to other gene delivery system in gram negative bacteria are discussed.
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Affiliation(s)
- P N Mukhopadhyaya
- Biotechnology Laboratory, Research and Development Division, National Dairy Development Board, Anand-388 001, India.
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Nagee A, Mukhopadhyaya PN, Sanyal PK, Kothari IL. Characterization of rpo-B mutant of a strain of Escherichia coli to confirm its suitability for routine work related to recombinant DNA technology. Roum Arch Microbiol Immunol 2001; 60:337-48. [PMID: 12561676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
Rifampicin resistant spontaneous mutant of a popular laboratory strain of Escherichia coli (DH5 alpha) was isolated and found to resist high level of the drug in growth medium. The growth of the isolate was found to be slower than its wild-type counterpart. Its ability to get transformed into drug-resistant state through transformation by chemical means as tested using plasmid DNA from three different size categories, was found to be at par with the wild type. Other properties, viz., alpha-complementation and ability to express foreign gene remained unaltered. The utility of the rifampicin-resistant phenotype as a potential chromosomal genetic marker was demonstrated in a typical conjugation experiment to establish the ability of the mutant to act as recipient strain for a recombinant, mobilizable plasmid DNA molecule with the advantage of drug-mediated, high efficiency selection. Substitution of the wild strain with the mutant for routine experimentations related to recombinant DNA technology was concluded to be appropriate and of advantage.
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Affiliation(s)
- A Nagee
- Department of Biosciences, Sardar Patel University, VallabhVidhya Nagar, Gujarat, India
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