A Study to Evaluate the Change in Disease State and Adverse Events in Adult Participants With Polymyalgia Rheumatica (PMR) Dependent on Glucocorticoid Treatment, Receiving Subcutaneous Injections of ABBV-154

Optimal Clinical Trials Ltd /ID# 229048, Grafotn

Clinexpert Kft /ID# 229677, Budapest

Obudai Egeszsegugyi Centrum Kft. /ID# 231121, Budapest

Rheuma-Zentrum Wien-Oberlaa GmbH /ID# 229436, Vienna

Emeritus Research Sydney /ID# 229166, Botany

Aotearoa Clinical Trials /ID# 229099, Papatoetoe

Royal Prince Alfred Hospital /ID# 244888, Camperdown

Kistarcsai Flor Ferenc Korhaz /ID# 229676, Kistarcsa

BJC Health /ID# 244839, Paramatta

Austin Health /ID# 229164, Heidelberg

Emeritus Research /ID# 229270, Camberwell

Waikato Hospital /ID# 229047, Hamilton

Debreceni Egyetem Klinikai Kozpont /ID# 241674, Debrecen

Tasman Health Care /ID# 230829, Southport

The Queen Elizabeth Hospital /ID# 229049, Woodville South

Bekes Megyei Kozponti Korhaz Pandy Kalman Tagkorhaz /ID# 229758, Gyula

Wellington Regional Hospital /ID# 229490, Newtown

Fiona Stanley Hospital /ID# 229050, Murdoch

Csongrad-Csanad Megyei Dr. Bugyi Istvan Korhaz /ID# 229793, Szentes

Timaru Medical Specialists Ltd /ID# 229098, Timaru

CMED Rehabilitacios es Diagnosztikai Kozpont /ID# 230065, Székesfehérvár

CGM Research Trust /ID# 244893, Christchurch Central

Vital Medical Center Orvosi es Fogaszati Kozpont (Vital Medicina Kft.) /ID# 229674, Veszprém

Obudai Egeszsegugyi Centrum Kft. Zalaegerszeg /ID# 229759, Zalaegerszeg

Hospital for Special Surgery /ID# 228577, New York

Charite Universitaetsmedizin Berlin - Campus Mitte /ID# 228661, Berlin

A.O.U. Citta della Salute e della Scienza di Torino /ID# 229080, Turin

Immanuel Krankenhaus Berlin /ID# 228659, Buch

St. Lawrence Health System /ID# 229702, Potsdam

University of Rochester Medical Center /ID# 232554, Rochester

Hospital Clínico Universitario de Santiago-CHUS /ID# 244868, Santiago de Compostela

ASL 3 Genovese - Ospedale la Colletta /ID# 229282, Arenzano

Altoona Ctr Clinical Res /ID# 232493, Duncansville

Delaware Arthritis /ID# 230110, Lewes

MVZ Rheumatologie und Autoimmunmedizin Hamburg GmbH /ID# 228658, Hamburg

CHU de Besancon - Jean Minjoz /ID# 244897, Besançon

Fondazione IRCCS Policlinico /ID# 245274, Pavia

Hospital General Universitario Gregorio Maranon /ID# 229302, Madrid

Hospital Clinico Universitario San Carlos /ID# 229296, Madrid

Hopital de la Cavale Blanche /ID# 228348, Brest

International Medical Research /ID# 228765, Daytona Beach

HMD Research LLC /ID# 228767, Orlando

Lakes Research, LLC /ID# 228757, Miami

Azienda Ospedaliera Universitaria Friuli Centrale/Presidio Ospedaliero Universit /ID# 228815, Udine

Arthritis & Rheumatic Disease Specialties /ID# 245448, Aventura

Rheumatology Associates of South Florida (RASF) - Clinical Research /ID# 232238, Boca Raton

CHU Montpellier - Hôpital Lapeyronie /ID# 228347, Montpellier

CHRU Tours - Hopital Trousseau /ID# 228349, Chambray-lès-Tours

West Tennessee Research Institute /ID# 228854, Jackson

Hospital Universitario Canarias /ID# 229451, San Cristóbal de La Laguna

Hospital Universitario Marques de Valdecilla /ID# 229297, Santander

Rheumazentrum Ratingen /ID# 245183, Ratingen

Azienda Ospedaliero-Universitaria di Modena /ID# 228825, Modena

Kyungpook National University Hospital /ID# 228716, Daegu

Four Rivers Clinical Research /ID# 228858, Paducah

Clinical Research Source, Inc. /ID# 231903, Perrysburg

Paramount Medical Research Con /ID# 228839, Middleburg Heights

Azienda Ospedaliero-Universitaria Senese-Ospedale Santa Maria delle Scotte /ID# 245273, Siena

Centre Hospitalier du Mans /ID# 229044, Le Mans

Medius Klinik Kirchheim /ID# 228660, Kirchheim unter Teck

AP-HP - Hopital Cochin /ID# 231800, Paris

DM Clinical Research - Tomball /ID# 245512, Tomball

Denver Arthritis Clinic /ID# 245736, Denver

Inland Rheum & Osteo Med Grp /ID# 228679, Upland

Purushotham & Akther Kotha MD, Inc /ID# 245391, La Mesa

Care Access Research, Huntington Beach /ID# 228677, Huntington Beach

Providence Medical Foundation /ID# 228681, Fullerton

Hans Richard Barthel, M.D., Inc /ID# 231902, Santa Barbara

Arthritis and Rheumatism Associates /ID# 232089, Jonesboro

Arthritis & Osteo Medical Ctr /ID# 228680, La Palma

Medvin Clinical Research /ID# 228675, Tujunga

Omega Research Debary, LLC /ID# 245450, DeBary

Springfield Clinic /ID# 228840, Springfield

Rheumatology Consultants - Clinical Research /ID# 232137, Tupelo

Dartmouth-Hitchcock Medical Center /ID# 229557, Lebanon

Ocean Rheumatology, PA /ID# 232539, Toms River

Articularis Healthcare Group, Inc d/b/a Low Country Rheumatology /ID# 228860, Summerville

Rheumatology Care Center PLLC /ID# 232306, Bellaire

Rheumatology Research Associates /ID# 230363, Edmonton

The Waterside Clinic /ID# 230364, Barrie

CISSSBSL -Hopital regional de Rimouski /ID# 228394, Rimouski

Centre de Recherche Musculo-Squelettique /ID# 228392, Trois-Rivières

Daido Clinic /ID# 230204, Nagoya

NHO Nagoya Medical Center /ID# 232420, Nagoya

National Hospital Organization Shimoshizu National Hospital /ID# 230500, Yotsukaido-shi

Matsuyama Red Cross Hospital /ID# 230458, Matsuyama

Sanuki Municipal Hospital /ID# 230202, Sanuki-shi

Kuwana city medical center /ID# 231936, Kuwana-shi

Kyushu University Beppu Hospital /ID# 232250, Beppu-shi

Japanese Red Cross Okayama Hospital /ID# 230857, Okayama

Rinku Hashimoto Rheumatology Orthopaedics /ID# 246532, Izumisano

Osaka Medical and Pharmaceutical University Hospital /ID# 246530, Takatsuki-shi

Tokyo Medical And Dental University Hospital /ID# 232206, Bunkyo-ku

Toyama Prefectural Central Hospital /ID# 230616, Toyama

ZiekenhuisGroep Twente /ID# 229071, Almelo

Universitair Medisch Centrum Groningen /ID# 227727, Groningen

Medisch Centrum Leeuwarden /ID# 245442, Leeuwarden

Maastricht Universitair Medisch Centrum /ID# 227779, Maastricht

Maasstad Ziekenhuis /ID# 228064, Rotterdam

AI Centrum Medyczne Sp. z o.o. sp.k. /ID# 228951, Poznan

Ortopedyczno-Rehabilitacyjny Szpital Kliniczny im. Wiktora Degi /ID# 228314, Poznan

Szpital Uniwersytecki nr 2 im. dr. Jana Biziela /ID# 228353, Bydgoszcz

Niepubliczny Zaklad Opieki Zdrowotnej Biogenes Sp. z o.o /ID# 228357, Wroclaw

Centrum Medyczne Reuma Park /ID# 244813, Warsaw

Nova Reuma Domyslawska I Rusilowicz - Spolka Partnerska Lekarza Reumatologa I Fi /Id# 228466, Bialystok

Hanyang University Seoul Hospital /ID# 228719, Seoul

Consorci Corporacio Sanitaria Parc Tauli Sabadell /ID# 244866, Sabadell

Hospital Clinic de Barcelona /ID# 229295, Barcelona

North West Anglia NHS Foundation Trust /ID# 230866, Bretton

Leicester Royal Infirmary /ID# 231967, Leicester

The Royal Free London NHS Foundation Trust /ID# 231707, London

Norfolk and Norwich University Hospitals NHS Foundation Trust /ID# 231966, Norwich

Cardiff & Vale University Health Board /ID# 245297, Cardiff

UH Coventry & Warwickshire /ID# 228588, Coventry

NHS Lothian /ID# 245293, Edinburgh

Liverpool University Hospitals NHS Foundation Trust /ID# 245296, Liverpool

Portsmouth Hospitals University NHS Trust /ID# 245291, Portsmouth