{"id":6885,"date":"2025-09-03T11:51:37","date_gmt":"2025-09-03T09:51:37","guid":{"rendered":"https:\/\/mediconomics.com\/?post_type=glossary&#038;p=6885"},"modified":"2026-07-13T19:08:44","modified_gmt":"2026-07-13T17:08:44","slug":"x-ray","status":"publish","type":"glossary","link":"https:\/\/mediconomics.com\/en\/glossar\/x-ray\/","title":{"rendered":"X-Ray"},"content":{"rendered":"<p>An X-ray is a widely used imaging technique that uses X-radiation to produce images of the inside of the body. In clinical research, X-rays play an important role in diagnosis, disease staging and the assessment of treatment response, particularly in oncology and orthopaedics.<\/p>\n<p>In oncology trials, X-ray or, more commonly, computed tomography (CT) scans are performed at regular intervals (e.g. every 30, 60 or 90 days) to monitor tumour growth. Results are assessed according to standardised criteria such as RECIST (Response Evaluation Criteria in Solid Tumors) to determine whether a patient is responding to therapy, has stable disease, or whether the tumour is progressing. To ensure objectivity, these images are often reviewed by an independent central radiology committee (central reading). CROs coordinate this complex logistical task.<\/p>\n<p><a href=\"https:\/\/mediconomics.com\/en\/glossary\/\">Back to overview<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An X-ray is a widely used imaging technique that uses X-radiation to produce images of the inside of the body. In clinical research, X-rays play an important role in diagnosis, disease staging and the assessment of treatment response, particularly in oncology and orthopaedics. In oncology trials, X-ray or, more commonly, computed tomography (CT) scans are [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"glossary-cat":[],"class_list":["post-6885","glossary","type-glossary","status-publish","hentry"],"acf":[],"related_terms":"","external_url":"","internal_reference_id":"","_links":{"self":[{"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/glossary\/6885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/users\/10"}],"version-history":[{"count":1,"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/glossary\/6885\/revisions"}],"predecessor-version":[{"id":6886,"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/glossary\/6885\/revisions\/6886"}],"wp:attachment":[{"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/media?parent=6885"}],"wp:term":[{"taxonomy":"glossary-cat","embeddable":true,"href":"https:\/\/mediconomics.com\/en\/wp-json\/wp\/v2\/glossary-cat?post=6885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}