A-HeFT
A-PLUS (original research)
A-PLUS (post-hoc analysis)
A2B (clonidine vs. propofol)
A2B (dexmedetomidine vs. propofol)
AALL1331 (intermediate- and high-risk relapse)
AALL1331 (low-risk relapse)
AALL1731
AATAC
Abatacept for IIM
ABC-Sepsis
ABYSS
ACCOMPLISH
ACCORD
ACCORD BP
ACCORD Lipid
ACE-PROTAVI
ACES
ACORN
ACOSOG Z0011 (10-year survival)
ACOSOG Z0011 (5-year survival)
ACT
ACT HIV
ACTFAST-3
ACTIV-3-TICO
ACTIV-4A (P2Y12 inhibitor plus heparin)
ACTIV-4a (SGLT2 inhibitors)
ACTIV-4C
ACTIV-6 (fluvoxamine)
ACTIV-6 (ivermectin)
ACTIV-6 (montelukast)
ACTIVE A
ACTIVE W
ACTT-1
ACTT-4
ACURASYS
ADAPT
ADAPT-PO
ADAPT-Sepsis (CRP-guided)
ADAPT-Sepsis (procalcitonin-guided)
ADAPT-TAVR
ADAURA
ADH-Wizard
ADIGE
Adjunctive Milrinone for Septic Shock
Adjuvant Chemotherapy for High-Risk Retinoblastoma
Adjuvant HAIC with FOLFOX for HCC
ADMINISTER
ADOPT
ADRENAL
ADRIATIC
ADVANCE (apixaban)
ADVANCE (intensive glucose control)
ADVANCE-CIDP 1
ADVOCATE
ADVOR
AECOPD
AEGEAN
AF-CHF
AFFINITY
AFFIRM
Age Trial
AGENT IDE
AHA STEROID
AID-ICU
AIDA
AiDAPT
AIRFLO
AIRTRIP
AIRWAY-2
AKIKI
ALBIOS
Albumin for CSA-AKI
Albumin for SBP
Alendronate for osteoporosis in men
Alendronate Phase III Osteoporosis Treatment Study
ALEX
ALEXANDRA/IMpassion030
ALIGN
ALL-HEART
ALLEGRO
ALLEVIATE
ALLHAT (angiotensin-converting enzyme inhibitor)
ALLHAT (calcium channel blocker)
Alliance A011502
ALLIUM
ALMS
ALPS (follow-up)
Alternate day vs. daily oral iron in IDA
ALTITUDE
Altshock-2
AMACING
AMAZES
AMBASSADOR
AMBITION-CM
AMBROISIE
AMETIS
AMIKINHAL
AMPLIFY (acalabrutinib/venetoclax)
AMPLIFY (acalabrutinib/venetoclax/obinutuzumab)
AMPLIFY (apixaban)
AMPLIFY-EXT (apixaban 2.5 mg)
AMPLIFY-EXT (apixaban 5 mg)
ANAHYDRET
ANCHOR
ANDROMEDA
ANDROMEDA-SHOCK
ANGEL-ASPECT
Annane Trial
ANNEXA-I
ANRS 174 DOXYVAC (4CMenB vaccine)
ANRS 174 DOXYVAC (doxycycline PEP)
ANRS IPERGAY
ANSWER
ANT-005 TKA (mid-dose)
Anterior Gastropexy for MIS-PEHR
ANTHARTIC
AntibioCor
ANTICIPUSC
Antimicrobial prophylaxis in pancreatoduodenectomy
APEX
API-CAT
APPIC
APPLAUSE-IgAN
APROCCHSS
APTS
APW-RSV-II
AQCS-Assisted Colonoscopy
AQUILA
ARAIS
ARAMIS
ARASENS
ARBs CORONA II
ARCADIA (original research)
ARCADIA (post-hoc analysis)
ARCADIA-MRI
ARDSNet
AREDS2
ARES (aspirin BID vs. aspirin OD)
ARES (aspirin TID vs. aspirin OD)
AReSVi-006
ARIES-HM3 (original research)
ARIES-HM3 (secondary analysis)
ARISE
ARISTOTLE
ARIVA
ARRECTOR
ARREST
ARRIVE (aspirin)
ARRIVE (labor induction)
ART
Artemisinin Combination for Postpartum Malaria
ARTESIA
ARUBA
ASC4FIRST
ASCEMBL
ASCEND (aspirin)
ASCEND (pirfenidone)
ASCEND-D
ASPEN (brensocatib 10 mg)
ASPEN (brensocatib 25 mg)
ASPIRE
ASPRE
ASPREE
ASPREE (secondary analysis)
ASPREE-Hearing
ASSIT
ASTRAL
ATACH II
ATAMIS
ATESS
ATHOS-3
ATLAS (cabotegravir and rilpivirine)
ATLAS (tamoxifen)
ATLAS ACS 2-TIMI 51 (rivaroxaban 10 mg)
ATLAS ACS 2-TIMI 51 (rivaroxaban 5 mg)
ATLAS-2M (152-week results)
ATLAS-2M (48-week results)
ATN
ATTENTION-IA
ATTIRE
ATTKPATRASCOVID19
ATTR-ACT
ATTRACT
ATTRibute-CM
AUGUSTUS (anticoagulation regimen)
AUGUSTUS (antiplatelet regimen)
AURORA (maribavir)
AURORA (rosuvastatin)
AURORA 2
AUSTRI
Autologous Serum in DES
AVATAR
AVB-TIPS
AVENIR (children)
AVENIR (infants)
AVERROES
AVERT
AVERT (subgroup analysis)
AVERT Shock
AVOID
AWARE
AXIOMATIC-TKR (high-dose)
AZA-001
AZALEA-TIMI 71 (high-dose abelacimab)
AZALEA-TIMI 71 (low-dose abelacimab)
AZT Trial