Evidence map›Paper›PMID 31083254›Full record

SynthesisMedicine2019

Androgen receptor variant 7 (AR-V7) in sequencing therapeutic agents for castratrion resistant prostate cancer: A critical review.

Alessandro Sciarra, Alessandro Gentilucci, Ida Silvestri, Stefano Salciccia, Susanna Cattarino, Susanna Scarpa, Antonio Gatto, Viviana Frantellizzi, Magnus Von Heland, Gian Piero Ricciuti and 2 more

Abstract readSystematic Review
In one paragraph

Synthesis in Medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Alessandro SciarraDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Alessandro GentilucciDepartment of Pathology, Sapienza Rome University, Sant'Andrea Hospital.
Ida SilvestriDepartment of Pathology, Sapienza Rome University, Sant'Andrea Hospital.
Stefano SalcicciaDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Susanna CattarinoDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Susanna ScarpaDepartment Experimental Medicine, Sapienza Rome University, Policlinico Umberto I, Rome.
Antonio GattoDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Viviana FrantellizziDepartment of Radiology, Sapienza Rome University, Policlinico Umberto I, Italy.
Magnus Von HelandDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Gian Piero RicciutiDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Francesco Del GiudiceDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.
Martina MaggiDepartment of Urology, Sapienza Rome University, Policlinico Umberto I, Rome.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundandrogen receptor variant 7 (AR-V7) has been suggested as potential marker for treatment selection in men with metastatic castration-resistant prostate cancer (mCRPC). The aim of the present review is to critically analyze: frequency of the AR-V7 expression in mCRPC cases-impact of AR-V7 expression on abiraterone, enzalutamide, and taxane therapy.

methodswe searched in the Medline and Cochrane Library database from the literature of the past 10 years. We critically evaluated the level of evidence according to the European Association of Urology (EAU) guidelines.

results12 clinical trials were selected. The determination of AR-V7 in peripheral blood using circulating tumor cells mRNA seems to be the preferred method. At baseline, the mean percentage of cases with AR-V7 positivity was 18.3% (range 17.8%-28.8%). All data on mCRPC submitted to enzalutamide or abiraterone reported a significantly (P <.05) lower clinical progression-free survival (CPFS) and overall survival (OS) in AR-V7+ than AR-V7- cases (CPFS hazard ratio [HR]: 2.3; 95% CI 1.1-4.9; OS HR: 3.0; 95% CI 1.4-6.3). In mCRPC cases submitted to chemotherapies data are not homogeneous and some studies showed no association between CPFS or OS and AR-V7 status (OS HR 1.6; 95% CI 0.6-4.4; P = .40).

conclusionsthe suggestion is that taxane therapy is more efficacious than abiraterone or enzalutamide for men with AR-V7+ CRPC. On the contrary, clinical outcomes did not seem to differ significantly on the basis of the type of therapy used among AR-V7- cases.

Indexed as

AndrostenesAntineoplastic AgentsBenzamidesBiomarkers, TumorBridged-Ring CompoundsDrug Resistance, NeoplasmGenetic VariationHumansMaleNitrilesPhenylthiohydantoinProstatic Neoplasms, Castration-ResistantReceptors, AndrogenTaxoidsabirateroneAndrostenesAntineoplastic AgentsAR protein, humanBenzamidesBiomarkers, TumorBridged-Ring CompoundsenzalutamideNitrilesPhenylthiohydantoinReceptors, AndrogentaxaneTaxoids

Identifiers

PMID31083254
PMCPMC6531263

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.