Big pharma · MRK · 2,790 trials led

Merck clinical trial pipeline

2,790 trials as lead sponsor, 112 recruiting now, 1,067 in phase 3. Live from ClinicalTrials.gov, updated daily.

  • Status changeStatus moved to completedWas recruiting · always alerts
  • Completion date movePrimary completion slipped 210 daysSlips and pull-ins of 30+ days
  • New trialNew trial registered in your scopeFirst posted within 30 days
  • Enrollment changeEnrollment grew to 1,200Moves of 15%+ or count finalised
  • Substantive record editPrimary endpoint redefined from 24 to 52 weeksRead overnight and flagged in plain English
View trials

Archive historyOct 2022 to Sept 2026

94 recorded changes across Merck trials

Every status move, completion date shift and enrollment change ComplyRx has recorded across 40 of these trials. One is shown below.

Status changeStatus moved to active not recruiting from recruitingNCT07677163 · recorded 16 Sept 2026
Track to read them

+90 more recorded changes · Track a drug to see every change the night it lands

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Most active programmes

The drugs appearing most often across Merck's recently active trials. Comparator arms are excluded.

  • Pembrolizumab29 trials
  • Sacituzumab tirumotecan15 trials
  • Paclitaxel14 trials
  • Carboplatin13 trials
  • Rescue Medication9 trials
  • MK-82948 trials

Upcoming readouts

Next primary completion dates among Merck's active phase 2 and phase 3 trials. Dates are registry estimates and move often, which is exactly what the tracker watches.

Top therapeutic areas

Conditions studied most often across Merck's recently active trials.

  • Non-small Cell Lung Cancer7 trials
  • Malignant Neoplasm6 trials
  • Ovarian Cancer4 trials
  • Triple Negative Breast Neoplasms3 trials
  • Bladder Cancer3 trials
  • Breast Neoplasms3 trials

Merck pipeline by phase

The main study drugs across 226 active trials Merck leads on ClinicalTrials.gov. Each drug sits in the highest phase among its currently active trials, which can be lower than a phase it has already completed.

Phase 330 drugs

Merck phase 3 drugs, most trials first
DrugTrialsRecruitingNext readoutSample trials
Sacituzumab Tirumotecan1710Jan 2027 est.NCT07419295 · NCT07318558 · NCT06966700
Belzutifan135Oct 2026 est.NCT07489495 · NCT07405164 · NCT07227402
CalderasibMK-108499Feb 2029 est.NCT07554339 · NCT07431827 · NCT07190248
9vHPV VaccineV5037Aug 2027 est.NCT07785843 · NCT05450705 · NCT05314023
Nemtabrutinib73Feb 2027 est.NCT06136559 · NCT05947851 · NCT05624554
Zilovertamab vedotin75Sept 2027 est.NCT06717347 · NCT06890884 · NCT05458297
Intismeran autogene64Jan 2028 est.NCT06077760 · NCT05933577 · NCT07221474
Tulisokibart63Jun 2027 est.NCT06651281 · NCT07486960 · NCT07176390
DOR/ISLMK-8591A5May 2029 est.NCT05766501 · NCT05705349 · NCT05631093
Enlicitide Decanoate52Dec 2026 est.NCT07216482 · NCT06492291 · NCT06008756
Patritumab deruxtecan55Dec 2028 est.NCT07060807 · NCT06797635 · NCT06941272
Raludotatug Deruxtecan53Mar 2029 est.NCT07776691 · NCT07743164 · NCT06780098
Bomedemstat41Jul 2027 est.NCT06456346 · NCT06351631 · NCT06079879
Ifinatamab Deruxtecan44Jun 2027 est.NCT06925737 · NCT07630974 · NCT07405151
MK-852742Oct 2026 est.NCT07071623 · NCT07044297 · NCT07661108
Opevesostat44Nov 2027 est.NCT06136650 · NCT06136624 · NCT06979596
Pembrolizumab (+) Berahyaluronidase alfa4Mar 2028 est.NCT06698042 · NCT06504394 · NCT06099782
Pembrolizumab 200 mg3Oct 2027 est.NCT04624204 · NCT03765918 · NCT02861573
IV Tulisokibart21Oct 2028 est.NCT06430801 · NCT06052059
MK-874821Oct 2028 est.NCT07705607 · NCT07705555
Pembrolizumab Formulated with Berahyaluronidase Alfa2NCT06212752 · NCT05722015
Tapinarof cream, 1%2Oct 2026 est.NCT07265479 · NCT05172726
Intismeran11Aug 2034 est.NCT07513376
Molnupiravir11Jan 2031 est.NCT06667700
Pembrolizumab (K)1Jan 2031 est.NCT03725059
Pembrolizumab SC1NCT04956692
Pembrolizumab/Vibostolimab Co-Formulation1NCT05224141
Sacituzumab Govitecan1Jan 2027 est.NCT05609968
Suvorexant11Jun 2027 est.NCT06655883
V18111Oct 2031 est.NCT07013487

Phase 215 drugs

Merck phase 2 drugs, most trials first
DrugTrialsRecruitingNext readoutSample trials
MK-104554Jul 2029 est.NCT07709000 · NCT07634471 · NCT07570173
ISL21Aug 2027 est.NCT07266831 · NCT06891066
MK-20102Sept 2028 est.NCT07793942 · NCT07785609
MK-726221Oct 2027 est.NCT07614984 · NCT07619443
Doravirine11Nov 2028 est.NCT04375800
Efinopegdutide1NCT06465186
Frespaciguat1NCT05612035
Miransertib1Feb 2030 est.NCT04980872
MK-221411Apr 2029 est.NCT07033494
MK-869011Oct 2027 est.NCT07463183
Olaparib1NCT03742895
Pembrolizumab (neoadjuvant)11Feb 2032 est.NCT06788912
Posaconazole IV 6 mg/kg11Mar 2027 est.NCT04665037
Raludotatug Deruxtecan (R-DXd)1NCT06864169
Vericiguat tablet11Apr 2032 est.NCT05714085

Phase 125 drugs

Merck phase 1 drugs, most trials first
DrugTrialsRecruitingNext readoutSample trials
MK-312033Oct 2028 est.NCT07232602 · NCT07222488 · NCT06818643
Gocatamig22Apr 2029 est.NCT07227597 · NCT06780137
MK-408221Sept 2026 est.NCT07697625 · NCT07388667
Ulonivirine2Jan 2027 est.NCT07595263 · NCT05093972
Coformulated favezelimab/pembrolizumab1May 2027 est.NCT05845814
coformulation pembrolizumab/quavonlimab1Dec 2029 est.NCT04938817
Letermovir11Apr 2028 est.NCT07199465
MK-04721Jun 2028 est.NCT05853367
MK-0616A11Oct 2026 est.NCT07300280
MK-1403 formulation (FM) 1 + additive1Sept 2026 est.NCT07677163

Phase 42 drugs

Merck phase 4 drugs, most trials first
DrugTrialsRecruitingNext readoutSample trials
pembrolizumab3512Nov 2026 est.NCT07801027 · NCT07216703 · NCT06952504
Sotatercept63Apr 2028 est.NCT07600723 · NCT07218029 · NCT07646860

Combination backbones Paclitaxel (1 trial). Established agents these trials combine with, listed separately from the drugs under study.

Derived from 226 active trials Merck leads; 226 name an intervention, folding into 72 phased drugs. 1 intervention carries no registry phase (observational studies, tests and devices) and is not shown. This is ComplyRx's reading of the registry, not Merck's own pipeline disclosure.

Merck trials

The 50 most significant of Merck's recently active trials, soonest estimated readout first.
Select any row for the full record; the change timeline unlocks with tracking.

TrialPhaseStabilityStatusEnrollmentEst. readout
A Clinical Trial of MK-1403 in Healthy Participants (MK-1403-007)NCT07677163MK-1403 formulation (FM) 1 + additivePhase 1Locked · track to revealOngoingActive, not recruiting15 est.22 Sept 2026
A Clinical Study of MK-8527 in Healthy Participants (MK-8527-021)NCT07661108MK-8527Phase 1Locked · track to revealOngoingActive, not recruiting44 est.9 Oct 2026
Safety and Efficacy of Pembrolizumab (MK-3475) in Children and Young Adults With Classical Hodgkin Lymphoma (MK-3475-667/KEYNOTE-667)NCT03407144pembrolizumabPhase 2Locked · track to revealOngoingActive, not recruiting340 est.6 Nov 2026
A Study to Evaluate Investigational Agents With or Without Pembrolizumab (MK-3475) in Participants With Advanced Esophageal Cancer Previously Exposed to Programmed Cell Death 1 Protein (PD-1)/ Programmed Cell Death Ligand 1 (PD-L1) Treatment (MK-3475-06B)NCT05319730PaclitaxelPhase 1Locked · track to revealOngoingRecruiting230 est.11 Jun 2027
A Clinical Trial of Ifinatamab Deruxtecan in People With Advanced Esophageal Cancer (MK-3475-06F)NCT07405151I-DXdPhase 1Locked · track to revealOngoingRecruiting60 est.12 Jun 2027
A Clinical Study of Tulisokibart (MK-7240) to Treat Radiographic Axial Spondyloarthritis (MK-7240-013)NCT07133633TulisokibartPhase 2Locked · track to revealOngoingRecruiting315 est.15 Jun 2027
A Study of Sacituzumab Tirumotecan (MK-2870) as a Single Agent and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With HR+/HER2- Unresectable Locally Advanced or Metastatic Breast Cancer (MK-2870-010)NCT06312176Sacituzumab tirumotecanPhase 3Locked · track to revealOngoingRecruiting1,200 est.11 Jul 2027
Study to Evaluate Tulisokibart in Adults With Psoriatic Arthritis (MK-7240-015)NCT07486960TulisokibartPhase 2Locked · track to revealOngoingRecruiting140 est.13 Aug 2027
A Study of Zilovertamab Vedotin (MK-2140) in Combination With Standard of Care in Participants With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (rrDLBCL) (MK-2140-003)NCT05139017Zilovertamab vedotinPhase 2Locked · track to revealOngoingRecruiting290 est.24 Sept 2027
A Clinical Trial of MK-7262 and Enlicitide in Participants With High Lipoprotein(a) (MK-7262-004)NCT07614984MK-7262Phase 2Locked · track to revealOngoingRecruiting750 est.12 Oct 2027
A Study to Evaluate Efficacy and Safety of MK-8690 in Participants With Moderately to Severely Active Ulcerative Colitis (MK-8690-002)NCT07463183MK-8690Phase 2Locked · track to revealOngoingRecruiting100 est.28 Oct 2027
Placebo-controlled, Study of Concurrent Chemoradiation Therapy With Pembrolizumab Followed by Pembrolizumab and Olaparib in Newly Diagnosed Treatment-Naïve Limited-Stage Small Cell Lung Cancer (LS-SCLC) (MK 7339-013/KEYLYNK-013)NCT04624204Pembrolizumab 200 mgPhase 3Locked · track to revealOngoingActive, not recruiting672 est.28 Oct 2027
A Clinical Study of Enlicitide (MK-0616) in Adults With Hyperlipidemia in India (MK-0616-038)NCT07821944Enlicitide DecanoatePhase 3Not yet scoredOngoingNot yet recruiting150 est.26 Nov 2027
A Clinical Study of Zilovertamab Vedotin (MK-2140) Plus Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Polatuzumab Vedotin Plus R-CHP in People With Diffuse Large B-cell Lymphoma (DLBCL) (MK-2140-011/waveLINE-011)NCT06890884Zilovertamab vedotinPhase 2Locked · track to revealOngoingRecruiting594 est.13 Dec 2027
A Clinical Study of V503 in Chinese Females Who Have Previously Received a Bivalent Human Papillomavirus (HPV) Vaccine (V503-108)NCT07785843V503Phase 3Not yet scoredOngoingNot yet recruiting930 est.18 Dec 2027
TroFuse-008Sacituzumab Tirumotecan (MK-2870) as Monotherapy and in Combination With Pembrolizumab in Participants With Advanced Solid Tumors (MK-2870-008)NCT06049212Sacituzumab tirumotecanPhase 1Locked · track to revealOngoingActive, not recruiting30 est.31 Dec 2027
TroFuse-007Sacituzumab Tirumotecan (MK-2870) in Combination With Pembrolizumab Versus Pembrolizumab Alone in Metastatic Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥ 50% (MK-2870-007)NCT06170788Sacituzumab tirumotecanPhase 3Locked · track to revealOngoingRecruiting614 est.25 Jan 2028
Efficacy, Immunogenicity and Safety of V503 in Chinese Women Aged 20-45 Years (V503-023)NCT03998254V503Phase 3Locked · track to revealOngoingActive, not recruiting6,000 est.31 Mar 2028
A Clinical Study of V540A in Healthy Female Participants (V540A-005)NCT07224477V540A-2Phase 2Locked · track to revealStoppedWithdrawn0 est.4 Apr 2028
A Clinical Study of Letermovir (MK-8228) in Children and Adolescents Who Receive a Kidney Transplant (KT) (MK-8228-077)NCT07199465LetermovirPhase 1Locked · track to revealOngoingRecruiting40 est.14 Apr 2028
Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)NCT06445972RamucirumabPhase 1Locked · track to revealOngoingRecruiting210 est.9 May 2028
Safety and Immunogenicity of V540B in Healthy Adults (V540B-002).NCT06623409GARDASIL®9 (G9)Phase 1Locked · track to revealOngoingRecruiting72 est.31 May 2028
A Study of V132 in Healthy Older Participants (V132-001)NCT07712575V132 Formulation 1Phase 1Not yet scoredOngoingRecruiting280 est.21 Jun 2028
A Clinical Study of Ifinatamab Deruxtecan (I-DXd) in People With Metastatic Prostate Cancer (MK-2400-001)NCT06925737Ifinatamab deruxtecanPhase 3Locked · track to revealOngoingRecruiting1,440 est.26 Jun 2028
OMAHA-003Study of Opevesostat (MK-5684) Versus Alternative NHA in mCRPC (MK-5684-003)NCT06136624OpevesostatPhase 3Locked · track to revealOngoingRecruiting1,310 est.2 Aug 2028
Sacituzumab Tirumotecan (MK-2870) Versus Pemetrexed and Carboplatin Combination Therapy in Participants With Epidermal Growth Factor (EGFR)-Mutated, Advanced Nonsquamous Non-small Cell Lung Cancer (NSCLC) Who Have Progressed on Prior EGFR Tyrosine Kinase Inhibitors (MK-2870-009)NCT06305754Sacituzumab tirumotecanPhase 3Locked · track to revealOngoingActive, not recruiting550 est.17 Aug 2028
A Study to Evaluate the Safety and Efficacy of MK-3120 in Participants With Advanced Solid Tumors (MK-3120-002)NCT06818643MK-3120Phase 1Locked · track to revealOngoingRecruiting270 est.25 Oct 2028
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)NCT06430801IV TulisokibartPhase 3Locked · track to revealOngoingRecruiting1,200 est.30 Oct 2028
A Clinical Trial of MK-8748 Compared to Aflibercept in Participants With Diabetic Macular Edema (MK-8748-004)NCT07705555MK-8748Phase 3Not yet scoredOngoingRecruiting960 est.31 Oct 2028
SOTERIAA Clinical Study of Sotatercept (MK-7962) in People With Pulmonary Arterial Hypertension (MK-7962-038)NCT07218029SotaterceptPhase 3Locked · track to revealOngoingRecruiting815 est.7 Dec 2028
Pembrolizumab With or Without Maintenance Sacituzumab Tirumotecan (Sac-TMT; MK-2870) in Metastatic Squamous Non-small Cell Lung Cancer (NSCLC) [MK-2870-023]NCT06422143PembrolizumabPhase 3Locked · track to revealOngoingRecruiting851 est.12 Jan 2029
Substudy 01A: Safety and Efficacy of Opevesostat (MK-5684)-Based Treatment Combinations or Opevesostat Alone in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) (MK-5684-01A)NCT06353386OpevesostatPhase 1Locked · track to revealOngoingRecruiting220 est.15 Jan 2029
A Study of Calderasib (MK-1084) Plus Pembrolizumab (MK-3475) in Participants With KRAS G12C Mutant Non-small Cell Lung Cancer (NSCLC) With Programmed Cell Death Ligand 1 (PD-L1) Tumor Proportion Score (TPS) ≥50% (MK-1084-004/KANDLELIT-004)NCT06345729CalderasibPhase 3Locked · track to revealOngoingRecruiting600 est.19 Feb 2029
A Clinical Study of MK-3120 in People With Bladder Cancer (MK-3120-003)NCT07222488MK-3120Phase 1Locked · track to revealOngoingRecruiting45 est.28 Feb 2029
A Clinical Study of Islatravir and Ulonivirine for People With HIV-1 Who Have Not Been Treated Before (MK-8591B-062)NCT07266831ISLPhase 2Locked · track to revealOngoingRecruiting570 est.21 Mar 2029
A Clinical Study of Raludotatug Deruxtecan in People With Ovarian Cancer (MK-5909-003)NCT06843447Raludotatug DeruxtecanPhase 1Locked · track to revealOngoingRecruiting605 est.27 Mar 2029
A Clinical Study of Calderasib (MK-1084) With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)NCT06997497CalderasibPhase 3Locked · track to revealOngoingRecruiting477 est.28 Mar 2029
Substudy 01A: Zilovertamab Vedotin in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01A/LIGHTBEAM-U01)NCT06395103Zilovertamab vedotinPhase 1Locked · track to revealOngoingRecruiting90 est.31 Mar 2029
A Study to Evaluate the Efficacy and Safety of Sacituzumab Tirumotecan (MK-2870) Maintenance Treatment Versus Standard of Care in Participants With Platinum-sensitive Recurrent Ovarian Cancer (MK-2870-022/TroFuse-022/ENGOT-ov84/GOG-3103)NCT06824467Sacituzumab tirumotecanPhase 3Locked · track to revealOngoingRecruiting770 est.27 Apr 2029
A Study to Evaluate the Safety and Efficacy of Gocatamig (MK-6070) and Ifinatamab Deruxtecan (I-DXd) in Participants With Relapsed/Refractory Extensive-Stage Small Cell Lung Cancer (MK-6070-002)NCT06780137GocatamigPhase 1Locked · track to revealOngoingRecruiting327 est.27 Apr 2029
A Study of Sotatercept (MK-7962) in Japanese Children With Pulmonary Arterial Hypertension (PAH) (MK-7962-032)NCT07646860SotaterceptPhase 2Not yet scoredOngoingRecruiting6 est.24 May 2029
A Clinical Study of MK-8294 in Participants With Advanced Solid Tumors (MK-8294-001)NCT07030712MK-8294Phase 1Locked · track to revealOngoingRecruiting67 est.1 Jul 2029
A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)NCT06717347Zilovertamab vedotinPhase 3Locked · track to revealOngoingRecruiting1,046 est.2 Jul 2029
A Clinical Study of MK-1045 in People With Lupus or Rheumatoid Arthritis (MK-1045-004)NCT07363590MK-1045Phase 1Locked · track to revealOngoingRecruiting21 est.16 Jul 2029
TroFuse-031A Clinical Trial of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) to Treat Urothelial Cancer (MK-2870-031)NCT07419295Sacituzumab tirumotecanPhase 3Locked · track to revealOngoingRecruiting590 est.27 Jul 2029
A Clinical Study of MK-1084 With Other Treatments for Non-small Cell Lung Cancer (MK-3475-01F)NCT07286149MK-1084Phase 1Locked · track to revealOngoingRecruiting140 est.17 Aug 2029
Substudy 06C: A Study of Investigational Agents With Pembrolizumab (MK-3475) and Chemotherapy in Participants With First-Line Locally Advanced Unresectable/Metastatic Gastroesophageal Adenocarcinoma (MK-3475-06C/KEYMAKER-U06)NCT06469944PembrolizumabPhase 1Locked · track to revealOngoingRecruiting160 est.12 Sept 2029
Clinical Study of MK-4884 in Participants With Advanced or Metastatic Solid Tumors (MK-4884-001)NCT07600749MK-4884Phase 1Locked · track to revealOngoingRecruiting120 est.4 Oct 2029
A Clinical Study of MK-2870 Alone or With Other Treatments to Treat Gastrointestinal Cancers (MK-9999-02A)NCT06428409Sacituzumab tirumotecanPhase 1Locked · track to revealOngoingRecruiting220 est.16 Oct 2029
KEYMAKER-U01 Substudy 01J: A Study of Pembrolizumab Plus MK-1084 in Participants With Non-Small Cell Lung Cancer (NSCLC) With Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) G12C Mutations (MK-3475-01J/KEYMAKER-U01J)NCT07252739MK-1084Phase 2Locked · track to revealOngoingRecruiting140 est.15 Nov 2029
View all trials2,790

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We check every one of its trials daily and tell you what moved.

  • Status changeStatus moved to completedWas recruiting · always alerts
  • Completion date movePrimary completion slipped 210 daysSlips and pull-ins of 30+ days
  • New trialNew trial registered in your scopeFirst posted within 30 days
  • Enrollment changeEnrollment grew to 1,200Moves of 15%+ or count finalised
  • Substantive record editPrimary endpoint redefined from 24 to 52 weeksRead overnight and flagged in plain English
US registryClinicalTrials.gov
EU registryCTIS · Soon
2,790

Trials as lead sponsor

112

Recruiting now

1,067

Phase 3 trials

642

Phase 2 trials

768

Phase 1 trials

205

Phase 4 trials