Page 380 - An Evidence Review of Active Surveillance in Men With Localized Prostate Cancer
P. 380

Appendix Table C2.1. Eligibility criteria, follow-up protocols, triggers for intervention and definition of progression in cohorts of active
                                        surveillance/ watchful waiting/other observational management strategies (continued)

                                        Center, Country       Eligibility criteria                 Followup or monitoring protocol                       Triggers for intervention/        Definition of
                                        [PMID]                                                                                                             active therapy                    progression
                                        Enrollment year
                                                                tumor was
                                                                Gleason grade
                                                                4 and <5%
                                                                grade 5.
                                        Taichung              Men undergoing       After the introduction of serum PSA in 1990, 3-6 monthly PSA          No treatment until there was      Abnormal DRE and/or
                                        Veterans hospital,      TURP for              and DRE were used to detect the disease progression.                 evidence of cancer                progressive
                                        Taiwan 143              clinically benign                                                                          progression.                      elevation of PSA
                                        [12854876]              hyperplasia of                                                                                                               “proved” by
                                                                prostate with                                                                                                                transrectal needle
                                        1983-1996               stage T1a                                                                                                                    biopsy, or
                                                                prostate cancer.                                                                                                             appearance of
                                                                                                                                                                                             metastatic disease.
                                        Toronto-SRCC,         Histological         Every 3 mo for the first 2 yr and every 6 mo thereafter               Clinical, histological or PSA     Clinical progression =
                                        Canada  114             diagnosis of                                                                               progression triggered the         at least one of the
                                        [11395227]              adenocarcinom                                                                              offer of treatment based on       following: >2 times
                                                                a of the                                                                                   age, extent of disease and        of the product of the
                                        1995-2002 as a          prostate within                                                                            comorbidities. Specific           maximum
                                        phase II trial          12 mo of                                                                                   treatment protocol was not        perpendicular
                                                                enrollment; no                                                                             reported.                         diameters of the
                                        2003-ongoing as         previous                                                                                 Protocol changes in PSA DT          primary lesion as
                                        an observational        treatment for                                                                              assessment, reported in           measured digitally;
                                        open prospective        prostate                                                                                   Klotz 2010: 125  For the first 4   symptoms requiring
                                        cohort                  carcinoma;                                                                                 yr of the study, PSA DT           TURP; development
                                                                clinical stage                                                                             <2y was used as a trigger.        of ureteric
                                                                T1b-T2b N0 M0                                                                              This criterion identified 10%     obstruction;
                                                                (1997 TNM                                                                                  of patients as high-risk and      radiological or
                                                                classification);                                                                           was considered overly             clinical evidence of
                                                                PSA ≤15ng/ml;                                                                              stringent. In 1999 the cut-       distant metastasis.
                                                                Gleason score                                                                              off was increased to 3 yr.      Histological
                                                                ≤7.                                                                                      Protocol changes in PSA DT          progression =
                                                              Protocol changes                                                                             calculation, reported in          Gleason score
                                                                                                                                                                         130
                                                                in inclusion                                                                               Loblaw 2010:     From 1995        upgraded to 8 or
                                                                criteria and                                                                               to 2002 PSA DT was                greater in the
                                                                additional                                                                                 calculated by a statistician      rebiopsy of the
                                                                information                                                                                using linear regression of        prostate at 18 mo
                                                                regarding the                                                                              all PSA values after the          post enrollment.
                                                                original criteria,                                                                         patient left the clinic and     PSA progression =
                                                                reported in                                                                                the 95% upper bound               when all the
                                                                                                                                                           confidence limit of PSA DT        following were




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