{"id":3612778,"date":"2023-07-10T12:11:40","date_gmt":"2023-07-10T16:11:40","guid":{"rendered":"https:\/\/vip2-msd.com\/merckcom-migrated\/?page_id=3612778"},"modified":"2025-09-03T10:00:32","modified_gmt":"2025-09-03T14:00:32","slug":"clinical-trials","status":"publish","type":"page","link":"https:\/\/vip2-msd.com\/merckcom-migrated\/research\/clinical-trials\/","title":{"rendered":"Clinical trials"},"content":{"rendered":"\n<div id=\"mco-b2-hero-block-block_25bd1708a451bf7bd76b0dbf5f1f6be5\" class=\"mco-b2-hero-block full mccberg-block\">\n    <div class=\"mco-b2-hero-block-wrapper\">\n        <div class=\"mco-b2-hero-block-image-section \">\n\n                            <div class=\"mco-b2-hero-block-image-container \">\n                    <picture >\n\t<source media=\"(max-width: 767px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=768\" srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=768\" >\n<source media=\"(min-width: 768px) and (max-width: 1199px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?h=768\" srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?h=768\" >\n<source media=\"(min-width: 1200px) and (max-width: 1919px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=1200\" srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=1200\" >\n<source media=\"(min-width: 1920px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=1920\" srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=1920\" >\n\t<img data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/07\/ClinicalTrials.png?w=1920\" alt=\"Woman leaning on her hand, looking up in and thinking\" class=\"eager \" loading=\"eager\" \/>\n<\/picture>                                    <\/div>\n                        <div class=\"mco-b2-hero-block-image-container-two\">\n                            <\/div>\n        <\/div>\n\n        <div class=\"mco-b2-hero-block-content-section\">\n            <nav class=\"breadcrumbs wrapper text-descriptive\"aria-label=\"Breadcrumbs\"><\/nav>            \n                            <h1>Clinical trials<\/h1>\n            \n                            <div class=\"mco-b2-hero-block-description\"><p>Clinical trials help identify potential new treatments to improve people&#8217;s health and save lives. Our progress is due in large part to the important and tough scientific questions we set out to answer with our trials and collaborations.<\/p>\n<\/div>\n            \n                    <\/div>\n    <\/div>\n\n    \n<\/div>\n\n\n<div id=\"mco-title-block-block_cd772d6dbc655dabf9e58fd5ec25004e\" \n\t class=\"mco-title-block mccberg-block mt-2 mb-2 aligncenter has-background full negative\" \n\t style='background-image: url(https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/05\/MicrosoftTeams-image-59.png?w=1600);'\t >\n\t<div class=\"wrapper\">\n\t\t<div class=\"mco-title-block-content\">\n\t\t\t\n\t\t\t<h2 class=\"mco-title-block-title\">What are clinical trials?<\/h2>\n\n\t\t\t\t\t\t\t<p class=\"mco-title-block-description\"><p>Clinical trials are research studies with volunteers designed to learn more about how our bodies respond to potential new medicines or treatments. We&#8217;re grateful to the thousands of volunteers who participate in our clinical trials &#8212; making our research possible.<\/p>\n<\/p>\n\t\t\t\t\t\t\n\t\t\t \n\t\t\t\t<div class=\"mco-title-block-cta-container\">\n\n\t\t\t\t\t\t\t\t\t\t\t<a\n                            class=\"btn mco-title-block-cta-btn\"\n                            href=\"https:\/\/merckclinicaltrials.com\/\"\n                            title=\"Find a trial\"\n                            target=\"_blank\"\n                                                    >Find a trial<\/a>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">What clinical trials do and why they&#8217;re needed<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Clinical trials test medicines, vaccines or medical devices that are in development to see if they&#8217;re safe and effective. It may take many clinical trials all around the world to understand which treatments work and how they work. New treatments are tested in clinical trials before government agencies can approve them for doctors to prescribe to people.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\">Clinical trials are a key part of the drug development process and our goal to:<\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center mco-columns-wrapping is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"88\" height=\"60\" src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/04\/Pill-tablets-icon.png?w=88\" alt=\"\" class=\"wp-image-3614454\"\/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center\">Help save and improve lives<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"56\" height=\"77\" src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/04\/Clipboard-Icon.png?w=56\" alt=\"\" class=\"wp-image-3614450\"\/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center\">Learn more about how our bodies respond to investigational treatments<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"154\" height=\"158\" src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/04\/02954_Merck_Icon_Navy_RGB_Teamwork.png?w=154\" alt=\"\" class=\"wp-image-3615105\" style=\"width:77px;height:79px\"\/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center\">Find new and better ways of advancing science<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Reasons to consider participating in a clinical trial<\/h2>\n\n\n\n<div class=\"wp-block-columns mco-columns-wrapping is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"408\" src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/08\/istockphoto-517118579-612x612-1.jpg?w=612\" alt=\"male patient being treated by female nurse and female patient being treated by a female doctor\" class=\"wp-image-2803039\"\/><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p> Trial participants will: <ul> <li> Learn more about their health condition and take an active role in their own health care <\/li> \n<li> Help future patients by advancing medical research <\/li> <\/ul> <\/p>\n\n\n\n<p>You&#8217;re never required to join or complete a clinical trial. Trials are volunteer-only, and you may leave a trial at any time. <br><br>Risks include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unwanted side effects<\/li>\n\n\n\n<li>The treatment may not work<\/li>\n\n\n\n<li>You may not receive the new treatment being studied <\/li>\n\n\n\n<li>Extra time and attention needed for trial-related tasks and visits<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading mb-2\">Learn more about how to join a clinical trial<\/h2>\n\n\n<div id=\"mco-b5-content-block-block_d71c92a6e17a11a5d35431ca2d1750df\"\n     class=\"mco-b5-content-block mccberg-block mt-2 negative right\">\n    <div class=\"wrapper\">\n\t\t\t\t\t\t\t            <div class=\"mco-b5-content-block-image-section \">\n\t\t\t\t                <picture aria-label=\"Woman patient talking with health care provier\">\n                                                                        <source media=\"(max-width: 767px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=696,425\" \/>\n                                                                                                <source media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=384,468\" \/>\n                                                                                                <source media=\"(min-width: 1200px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=750,650\" \/>\n                                                                                                <source media=\"(min-width: 1600px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=850,744\" \/>\n                                                                                                <source media=\"(min-width: 1920px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=980,832\" \/>\n                                                                                                <img\n                                data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/02\/HCP-patients-healthcare-worker-and-patient-discussion_hi_300dpi.jpg?resize=650,544\"\n                                alt=\"Woman patient talking with health care provier\"\n                                class=\"lazyload parallax-scroll\"\n                                loading=\"lazy\"\n                            \/>\n                                                            <\/picture>\n\t\t\t\t            <\/div>\n\t\t        <div class=\"mco-b5-content-block-content-section\">\n\t\t\t\n\t\t\t                <h3 class=\"mco-b5-content-block-heading mcc-b5-normal-title\">\n                    There are clinical trials in progress                <\/h3 >\n\t\t\t\n\t\t\t                <div class=\"mco-b5-content-block-description\"><p>Our medical advances can only happen through the efforts of many people, especially those who volunteer for clinical trials. They&#8217;re our partners in research.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n\t\t\t\n                        <div class=\"mco-b5-content-block-content-buttons-container\">\n\t\t\t\t                    <a class=\"btn secondary read_more\"\n                       href=\"https:\/\/www.merckclinicaltrials.com\/\"\n                       title=\"Find a trial\"\n                                              target=\"_blank\">Find a trial<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"mco-b5-content-block-modal popup\" style=\"display: none;\" role=\"dialog\" >\n    <div class=\"popup-wrapper\">\n        <div class=\"mco-b5-content-block-modal-content popup-content\">\n            <button class=\"mco-b5-content-block-modal-close popup-close\" >&times;<\/button>\n            <div class=\"mco-b5-content-block-modal-video\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div id=\"mco-b5-content-block-block_a408582d6df6f7f2ffee866a37cc1bf3\"\n     class=\"mco-b5-content-block mccberg-block left\">\n    <div class=\"wrapper\">\n\t\t\t\t\t\t\t            <div class=\"mco-b5-content-block-image-section \">\n\t\t\t\t                <picture aria-label=\"doctor speaking to patient\">\n                                                                        <source media=\"(max-width: 767px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=696,425\" \/>\n                                                                                                <source media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=384,468\" \/>\n                                                                                                <source media=\"(min-width: 1200px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=750,650\" \/>\n                                                                                                <source media=\"(min-width: 1600px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=850,744\" \/>\n                                                                                                <source media=\"(min-width: 1920px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=980,832\" \/>\n                                                                                                <img\n                                data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/10\/iStock-1254897750.jpg?resize=650,544\"\n                                alt=\"doctor speaking to patient\"\n                                class=\"lazyload parallax-scroll\"\n                                loading=\"lazy\"\n                            \/>\n                                                            <\/picture>\n\t\t\t\t            <\/div>\n\t\t        <div class=\"mco-b5-content-block-content-section\">\n\t\t\t\n\t\t\t                <h3 class=\"mco-b5-content-block-heading mcc-b5-normal-title\">\n                    Expanded Access Programs (EAP)                <\/h3 >\n\t\t\t\n\t\t\t                <div class=\"mco-b5-content-block-description\"><p>Participation in clinical trials is a primary route by which patients get access to investigational medicines and contribute to the collection of safety and efficacy data needed to support regulatory approval worldwide. For patients with a serious or life-threatening condition who are ineligible or unable to participate in a clinical trial, use of an expanded access program may be an option.<\/p>\n<\/div>\n\t\t\t\n                        <div class=\"mco-b5-content-block-content-buttons-container\">\n\t\t\t\t                    <a class=\"btn secondary read_more\"\n                       href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2024\/01\/Access_to_Investigational_Medicines_MRK_JAN24.pdf\"\n                       title=\"Read about our EAP program\"\n                                              target=\"\">Read about our EAP program<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"mco-b5-content-block-modal popup\" style=\"display: none;\" role=\"dialog\" >\n    <div class=\"popup-wrapper\">\n        <div class=\"mco-b5-content-block-modal-content popup-content\">\n            <button class=\"mco-b5-content-block-modal-close popup-close\" >&times;<\/button>\n            <div class=\"mco-b5-content-block-modal-video\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div id=\"mco-b5-content-block-block_e6dc63405e6f6ab112e47ab3519904a4\"\n     class=\"mco-b5-content-block mccberg-block mb-2 negative right\">\n    <div class=\"wrapper\">\n\t\t\t\t\t\t\t            <div class=\"mco-b5-content-block-image-section \">\n\t\t\t\t                <picture aria-label=\"a patients medical team meeting\">\n                                                                        <source media=\"(max-width: 767px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=696,425\" \/>\n                                                                                                <source media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=384,468\" \/>\n                                                                                                <source media=\"(min-width: 1200px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=750,650\" \/>\n                                                                                                <source media=\"(min-width: 1600px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=850,744\" \/>\n                                                                                                <source media=\"(min-width: 1920px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=980,832\" \/>\n                                                                                                <img\n                                data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2022\/01\/patients-medical-team-meeting.jpg?resize=650,544\"\n                                alt=\"a patients medical team meeting\"\n                                class=\"lazyload parallax-scroll\"\n                                loading=\"lazy\"\n                            \/>\n                                                            <\/picture>\n\t\t\t\t            <\/div>\n\t\t        <div class=\"mco-b5-content-block-content-section\">\n\t\t\t\n\t\t\t                <h3 class=\"mco-b5-content-block-heading mcc-b5-normal-title\">\n                    Policies and perspectives                <\/h3 >\n\t\t\t\n\t\t\t                <div class=\"mco-b5-content-block-description\"><p>We&#8217;re committed to disclosing balanced, complete and accurate information about our registered clinical trials of marketed products, regardless of outcome.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n\t\t\t\n                        <div class=\"mco-b5-content-block-content-buttons-container\">\n\t\t\t\t                    <a class=\"btn secondary read_more\"\n                       href=\"https:\/\/trialstransparency.msdclinicaltrials.com\/policies-perspectives.aspx\"\n                       title=\"Learn more about our policies and perspectives\"\n                                              target=\"\">Learn more about our policies and perspectives<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"mco-b5-content-block-modal popup\" style=\"display: none;\" role=\"dialog\" >\n    <div class=\"popup-wrapper\">\n        <div class=\"mco-b5-content-block-modal-content popup-content\">\n            <button class=\"mco-b5-content-block-modal-close popup-close\" >&times;<\/button>\n            <div class=\"mco-b5-content-block-modal-video\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n<div id=\"mco-featured-banner-block-block_9898a289b851de0eb42c5c6dc8d703ea\" class=\"mco-featured-banner-block full mccberg-block mt-2 mb-2 negative\">\n\n\n            <div class=\"mco-featured-banner-image-container\">\n            <picture>\n                <source media=\"(max-width: 767px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/09\/clinical-trials-landing.jpg?resize=767,956\">\n                <source media=\"(min-width: 768px) and (max-width: 1199px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/09\/clinical-trials-landing.jpg?resize=768,448\">\n                <source media=\"(min-width: 1200px)\" data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/09\/clinical-trials-landing.jpg?w=1600\">\n                <img data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/09\/clinical-trials-landing.jpg?w=1600\" alt=\"Featured banner image\" class=\"lazyload\" loading=\"lazy\" \/>\n            <\/picture>\n        <\/div>\n    \n\n    <div class=\"mco-featured-banner-content-container\">\n        <div class=\"mco-featured-banner-content-card\">\n            \n                            <h3>We&#039;re committed to diversity in clinical trials<\/h3>\n            \n                            <div><p>Clinical trials rely on people who volunteer to be trial participants. It\u2019s vital that these people come from diverse backgrounds. That way, the clinical trial can show if the treatment is safe and works for people from different communities.<\/p>\n<\/div>\n            \n            <div class=\"mco-featured-banner-btn-container\">\n                                    <a class=\"btn\"\n                       href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/research\/diversity-in-clinical-trials\/\"\n                       title=\"Learn more about diversity in clinical trials\"\n                       target=\"_self\"\n                                           >Learn more about diversity in clinical trials<\/a>\n                \n                            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">The four phases of clinical trials<\/h2>\n\n\n\n<p>Clinical trials require four phases, in addition to government review and approval, to ensure the treatment being studied is safe and effective. Each phase answers a different set of questions. See our infographic on <a href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/04\/ClinicalTrialsInfographic_2023FINAL.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">how we take a research study from trial to treatment<\/a>.<\/p>\n\n\n\n<div data-type=\"multiple\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\" id=\"accordion_list_block_1f96c86e5ecd263e34d4b50370ec9b2e\" class=\"b6-accordion-list mccberg-block mb-2 mt-2\">\n    \n    <div class=\"b6-accordion-list-block-heading\">\n        <h2>\n            <span><\/span>\n        <\/h2>\n                    <button\n                class=\"btn tertiary b6-accordion-list-toggle-expand\"\n                data-open-text=\"Expand all\"\n                data-close-text=\"Close all\"\n                aria-label=\"Expand all\"\n            >\n                <span class=\"open-text\">Expand all<\/span>\n                <span class=\"close-text\">Close all<\/span>\n            <\/button>\n            <\/div>\n\n                        <div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" class=\"b6-accordion-list-item\">\n                <details  id=\"mcc_details_id_1\" class=\"b6-accordion-list-item-details\">\n                    <summary itemprop=\"name\"  class=\"b6-accordion-list-item-summary\">\n                        <h5 class= 'b6-accordion-list-item-summary-heading'>Phase 1<\/h5>                    <\/summary>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"  class=\"b6-accordion-list-item-content\">\n                        <div itemprop=\"text\" ><p style=\"text-align: left;\"><strong>Questions it may answer:<\/strong><\/p>\n<ul>\n<li style=\"text-align: left;\">Is the treatment safe?<\/li>\n<li style=\"text-align: left;\">How much of it is needed?<\/li>\n<li style=\"text-align: left;\">Are there any side effects?<\/li>\n<\/ul>\n<p style=\"text-align: left;\"><strong>Who takes part:\u00a0<\/strong>A small group (about 20 to 100) of usually healthy people<\/p>\n<p style=\"text-align: left;\"><strong>How long it takes:\u00a0<\/strong>6 months to 1 year<\/p>\n<\/div>\n                                            <\/div>\n                <\/details>\n                <hr \/>\n            <\/div>\n                    <div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" class=\"b6-accordion-list-item\">\n                <details  id=\"mcc_details_id_2\" class=\"b6-accordion-list-item-details\">\n                    <summary itemprop=\"name\"  class=\"b6-accordion-list-item-summary\">\n                        <h5 class= 'b6-accordion-list-item-summary-heading'>Phase 2<\/h5>                    <\/summary>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"  class=\"b6-accordion-list-item-content\">\n                        <div itemprop=\"text\" ><p><strong>Questions it may answer:<\/strong> How well does the treatment work? Is it safe and what are the potential side effects? How much of it is needed? Are there any new side effects?<\/p>\n<p><strong>Who takes part:<\/strong> A larger group (about 100 to 500) of healthy people, or people with a certain disease<\/p>\n<p><strong>How long it takes:<\/strong> 6 months to 1 year<\/p>\n<\/div>\n                                            <\/div>\n                <\/details>\n                <hr \/>\n            <\/div>\n                    <div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" class=\"b6-accordion-list-item\">\n                <details  id=\"mcc_details_id_3\" class=\"b6-accordion-list-item-details\">\n                    <summary itemprop=\"name\"  class=\"b6-accordion-list-item-summary\">\n                        <h5 class= 'b6-accordion-list-item-summary-heading'>Phase 3<\/h5>                    <\/summary>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"  class=\"b6-accordion-list-item-content\">\n                        <div itemprop=\"text\" ><p><strong>Questions it may answer:<\/strong> How well does the treatment work over time? Is it safe? How much of it is needed? Are there any new side effects? Does the new treatment work better than an existing treatment or a placebo? (A placebo looks like the trial treatment but has no active medication)<\/p>\n<p><strong>Who takes part:<\/strong> A new, larger group (about 1,000\u20135,000) of people<\/p>\n<p><strong>How long it takes:<\/strong> 1 to 4 or more years<\/p>\n<\/div>\n                                            <\/div>\n                <\/details>\n                <hr \/>\n            <\/div>\n                    <div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" class=\"b6-accordion-list-item\">\n                <details  id=\"mcc_details_id_4\" class=\"b6-accordion-list-item-details\">\n                    <summary itemprop=\"name\"  class=\"b6-accordion-list-item-summary\">\n                        <h5 class= 'b6-accordion-list-item-summary-heading'>Government agency review &amp; approval <\/h5>                    <\/summary>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"  class=\"b6-accordion-list-item-content\">\n                        <div itemprop=\"text\" ><p>Drug maker applies for approval. A treatment must be approved before doctors can prescribe it.<\/p>\n<\/div>\n                                            <\/div>\n                <\/details>\n                <hr \/>\n            <\/div>\n                    <div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" class=\"b6-accordion-list-item\">\n                <details  id=\"mcc_details_id_5\" class=\"b6-accordion-list-item-details\">\n                    <summary itemprop=\"name\"  class=\"b6-accordion-list-item-summary\">\n                        <h5 class= 'b6-accordion-list-item-summary-heading'>Phase 4<\/h5>                    <\/summary>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"  class=\"b6-accordion-list-item-content\">\n                        <div itemprop=\"text\" ><p><strong>Questions it may answer:<\/strong> How well does the treatment work over time? Is it safe? How much of it is needed? Are there any new side effects? Does the new treatment work better than an existing treatment or a placebo? (A placebo looks like the trial treatment but has no active medication)<\/p>\n<p><strong>Who takes part:<\/strong> A large group (thousands) of people who have been prescribed the new treatment<\/p>\n<p><strong>How long it takes:<\/strong> Ongoing for many years<\/p>\n<\/div>\n                                            <\/div>\n                <\/details>\n                <hr \/>\n            <\/div>\n            <\/div>\n\n<div id=\"mco-b5-content-block-block_aa484f04890dad40ab7ba9e269983a8f\"\n     class=\"mco-b5-content-block mccberg-block mt-2 mb-2 left\">\n    <div class=\"wrapper\">\n\t\t\t\t\t\t\t            <div class=\"mco-b5-content-block-image-section \">\n\t\t\t\t                <picture aria-label=\"doctor with patient\">\n                                                                        <source media=\"(max-width: 767px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=696,425\" \/>\n                                                                                                <source media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=384,468\" \/>\n                                                                                                <source media=\"(min-width: 1200px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=750,650\" \/>\n                                                                                                <source media=\"(min-width: 1600px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=850,744\" \/>\n                                                                                                <source media=\"(min-width: 1920px)\"\n                                    data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=980,832\" \/>\n                                                                                                <img\n                                data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2020\/07\/AdobeStock_327070396.jpeg?resize=650,544\"\n                                alt=\"doctor with patient\"\n                                class=\"lazyload parallax-scroll\"\n                                loading=\"lazy\"\n                            \/>\n                                                            <\/picture>\n\t\t\t\t            <\/div>\n\t\t        <div class=\"mco-b5-content-block-content-section\">\n\t\t\t\n\t\t\t                <h3 class=\"mco-b5-content-block-heading mcc-b5-normal-title\">\n                    Clinical trials take time and resources                <\/h3 >\n\t\t\t\n\t\t\t                <div class=\"mco-b5-content-block-description\"><ul>\n<li>A treatment may take several years to move from a phase 1 trial to government approval for doctors to prescribe it<\/li>\n<li>Clinical trials require financial investment from sponsors. Merck is the sponsor of a variety of clinical trials for various diseases and conditions<\/li>\n<li>Thousands of people in many countries contribute to clinical trials, including patients, researchers, health care professionals and support staff<\/li>\n<\/ul>\n<\/div>\n\t\t\t\n                        <div class=\"mco-b5-content-block-content-buttons-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<div class=\"mco-b5-content-block-modal popup\" style=\"display: none;\" role=\"dialog\" >\n    <div class=\"popup-wrapper\">\n        <div class=\"mco-b5-content-block-modal-content popup-content\">\n            <button class=\"mco-b5-content-block-modal-close popup-close\" >&times;<\/button>\n            <div class=\"mco-b5-content-block-modal-video\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading mt-2 mb-2\">Our work in clinical trials<\/h2>\n\n\n\n<div id=\"mco-content-teaser-cards-block-block_255e684114a08887173acbe5fb020ee7\"\n     class=\"mco-content-teaser-cards-block wrapper  mccberg-block mt-2 alignleft\">\n    <div class=\"mco-content-teaser-cards-content\">\n        <h3 class=\"mco-content-teaser-card-block-title fixed-h3\">Read our stories<\/h3>\t\t            <p class=\"mco-content-teaser-card-block-description\">We use the power of leading-edge science to save and improve lives around the world.  See the stories behind our work.<\/p>\n\t\t\t\t    <\/div>\n\n    <div class=\"mco-content-teaser-cards-cards-container\" data-cards-count=\"3\">\n\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/video-patient-with-pah-shares-her-clinical-trial-experience\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/05\/Colleen_Brunetti_com_thumbnail.png?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/05\/Colleen_Brunetti_com_thumbnail.png?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/05\/Colleen_Brunetti_com_thumbnail.png?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2023\/05\/Colleen_Brunetti_com_thumbnail.png?resize=404,268\"\n                                        alt=\"mother holding an umbrella walking her child\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                        <h5 class=\"fixed-h5\">VIDEO: Patient with PAH shares her clinical trial experience\u00a0<\/h5>                        <p>Diagnosed with pulmonary arterial hypertension, Colleen Brunetti knows the importance of participating in clinical trials<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/podcast-a-candid-conversation-about-diversity-in-clinical-trials\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2024\/04\/Diversity-in-Clinical-Trials_Merck.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2024\/04\/Diversity-in-Clinical-Trials_Merck.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2024\/04\/Diversity-in-Clinical-Trials_Merck.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2024\/04\/Diversity-in-Clinical-Trials_Merck.jpg?resize=404,268\"\n                                        alt=\"diversity in clinical trials\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                        <h5 class=\"fixed-h5\">Podcast: A candid conversation about diversity in clinical trials\u00a0<\/h5>                        <p>Hear a patient and a doctor share why they want more people involved in medical studies<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t                <a\n                     class=\"mco-content-teaser-card-item no-underline\"\n                     href=\"https:\/\/vip2-msd.com\/merckcom-migrated\/stories\/podcast-how-to-bridge-diversity-gaps-in-cancer-clinical-trials\/\"\n                                    >\n                    <span\n                            class=\"mco-content-teaser-card-item-image-content-container\"\n                            style=\"\"\n                    >\n\t\t\t\t\t\t                            <picture>\n                                <source\n                                        media=\"(max-width: 767px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/05\/Lazarex-podcast-hero-UPDATE.jpg?resize=321,196\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 768px) and (max-width: 1199px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/05\/Lazarex-podcast-hero-UPDATE.jpg?resize=314,209\"\n                                \/>\n                                <source\n                                        media=\"(min-width: 1200px)\"\n                                        data-srcset=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/05\/Lazarex-podcast-hero-UPDATE.jpg?resize=404,268\"\n                                \/>\n                                <img\n                                        data-src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/uploads\/sites\/152\/2021\/05\/Lazarex-podcast-hero-UPDATE.jpg?resize=404,268\"\n                                        alt=\"Luther Clark, Dana Dornsife and Marya Shegog\"\n                                        class=\"lazyload\"\n                                        loading=\"lazy\"\n                                \/>\n                            <\/picture>\n\t\t\t\t\t\t                    <\/span>\n                    <div class=\"mco-content-teaser-card-item-content\">\n\t\t\t\t\t\t                        <h5 class=\"fixed-h5\">Podcast: How to bridge diversity gaps in cancer clinical trials<\/h5>                        <p>Luther Clark talks with Lazarex Cancer Foundation&#039;s Dana Dornsife and Marya Shegog about increasing access among historically underrepresented communities<\/p>\n                    <\/div>\n                <\/a>\n\t\t\t    <\/div>\n\n    <div 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         <img decoding=\"async\" class=\"btn-pause-icon\"\n                     src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/themes\/cex-wpvip-mhh-mhh2-mcc-theme\/images\/pause.svg\" alt=\"Pause\"\/>\n                <img decoding=\"async\" class=\"btn-play-icon\"\n                     src=\"https:\/\/vip2-msd.com\/merckcom-migrated\/wp-content\/themes\/cex-wpvip-mhh-mhh2-mcc-theme\/images\/play.svg\" alt=\"Play\"\/>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What clinical trials do and why they&#8217;re needed Clinical trials test medicines, vaccines or medical devices that are in development to see if they&#8217;re safe and effective. It may take many clinical trials all around the world to understand which treatments work and how they work. New treatments are tested in clinical trials before government [&hellip;]<\/p>\n","protected":false},"author":248,"featured_media":0,"parent":47,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"bdl_company_name":[],"bdl_item_external_link":[],"inpsyde_pem_expiration_date":[],"inpsyde_pem_expiration_action":[],"editor_notices":[],"footnotes":""},"class_list":["post-3612778","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Clinical trials - Merck.com<\/title>\n<meta name=\"description\" content=\"There are Merck clinical trials in progress. Find a Merck trial. 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