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ClinicalTrials.gov public records Last synced Oct 9, 2026, 6:24 AM EDT

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Showing 73–96 of 112 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Parkinson Disease 3 Clear all
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Pemetrexed + Platinum Chemotherapy + Pembrolizumab (MK-3475) With or Without Lenvatinib (MK-7902/E7080) as First-line Intervention in Adults With Metastatic Nonsquamous Non-small Cell Lung Cancer (MK-7902-006/E7080-G000-315/LEAP-006)

NCT03829319
View directory record Official record
Conditions
Nonsquamous Non-small Cell Lung Cancer
Interventions
Pembrolizumab, Carboplatin, Cisplatin, Pemetrexed, Lenvatinib, Placebo matching lenvatinib
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
761 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
17
States / cities
Mountain View, California • New Haven, Connecticut • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 2 Interventional Results available

Crossover Target Engagement Study of Cholinergic Mechanisms of Gait Dysfunction in Parkinson's Disease (Project #3 - Experiment 3 [UdallP3E3])

NCT04403399
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
45 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of Pembrolizumab (MK-3475) Subcutaneous (SC) Versus Pembrolizumab Intravenous (IV) Administered With Platinum Doublet Chemotherapy in Participants With Metastatic Squamous or Nonsquamous Non-Small Cell Lung Cancer (NSCLC) (MK-3475-A86)

NCT04956692
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Pembrolizumab SC, Pembrolizumab IV, Paclitaxel, Nab-Paclitaxel, Carboplatin, Cisplatin, Pemetrexed
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
531 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
18
States / cities
Jonesboro, Arkansas • Fullerton, California • Los Alamitos, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Terminated Phase 3 Interventional Results available

A Study of Adjuvant Pembrolizumab/Vibostolimab (MK-7684A) Versus Pembrolizumab for Resected High-Risk Melanoma in Participants With High-Risk Stage II-IV Melanoma (MK-7684A-010/KEYVIBE-010)

NCT05665595
View directory record Official record
Conditions
Melanoma
Interventions
Pembrolizumab/Vibostolimab, Pembrolizumab
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
12 Years and older
Enrollment
1,594 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
30
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Terminated Phase 3 Interventional Results available

Nivolumab and Epacadostat With Platinum Doublet Chemotherapy Versus Platinum Doublet Chemotherapy in Non-Small Cell Lung Cancer

NCT03348904
View directory record Official record
Conditions
Lung Cancer
Interventions
Nivolumab, Epacadostat, Placebo, Carboplatin, Cisplatin, Gemcitabine, Paclitaxel, Pemetrexed
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Anaheim, California • Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of Chemoradiotherapy With or Without Pembrolizumab (MK-3475) For The Treatment of Locally Advanced Cervical Cancer (MK-3475-A18/KEYNOTE-A18/ENGOT-cx11/GOG-3047)

NCT04221945
View directory record Official record
Conditions
Uterine Cervical Neoplasms
Interventions
Pembrolizumab, Placebo for pembrolizumab, Cisplatin, External Beam Radiotherapy (EBRT), Brachytherapy
Biological · Drug · Radiation
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
28
States / cities
Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Terminated Not applicable Interventional

The Impact of Three Distinct Exercise Types on Fatigue, Anxiety, and Depression in Parkinson's Disease

NCT02885285
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Spinning Class, Yoga Class, Dance Class, No Exercise Class
Behavioral · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Lenvatinib in Combination With Pembrolizumab Versus Treatment of Physician's Choice in Participants With Advanced Endometrial Cancer (MK-3475-775/E7080-G000-309 Per Merck Standard Convention [KEYNOTE-775])

NCT03517449
View directory record Official record
Conditions
Endometrial Neoplasms
Interventions
Pembrolizumab, Lenvatinib, Paclitaxel, Doxorubicin
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
827 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
25
States / cities
Phoenix, Arizona • San Francisco, California • Santa Monica, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Active, not recruiting Phase 3 Interventional

Study of Pembrolizumab With Concurrent Chemoradiation Therapy Followed by Pembrolizumab With or Without Olaparib in Stage III Non-Small Cell Lung Cancer (NSCLC) (MK-7339-012/KEYLYNK-012)

NCT04380636
View directory record Official record
Conditions
Lung Neoplasms, Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Olaparib, Placebo for olaparib, Etoposide, Carboplatin, Cisplatin, Paclitaxel, Pemetrexed, Thoracic Radiotherapy, Durvalumab
Biological · Drug · Radiation
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
870 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
33
States / cities
Mobile, Alabama • Jonesboro, Arkansas • Fullerton, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of Aplindore in Patients With Early Parkinson Disease

NCT00809302
View directory record Official record
Conditions
Early Parkinson Disease
Interventions
aplindore MR tablets or Placebo
Drug
Lead sponsor
Neurogen Corporation
Industry
Eligibility
30 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Sunnyvale, California + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2009 · Synced Oct 9, 2026, 6:24 AM EDT
Recruiting Phase 3 Interventional

DESTINY-Endometrial01: A Phase III Study of Trastuzumab Deruxtecan Plus Rilvegostomig or Pembrolizumab as First-Line Treatment of HER2-Expressing (IHC 3+/2+), Mismatch Repair Proficient (pMMR) Endometrial Cancer

NCT06989112
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Trastuzumab deruxtecan, Rilvegostomig, Pembrolizumab, Carboplatin, Paclitaxel, Docetaxel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
61
States / cities
Tucson, Arizona • Little Rock, Arkansas • Duarte, California + 55 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional

Perioperative Pembrolizumab (MK-3475) Plus Neoadjuvant Chemotherapy Versus Perioperative Placebo Plus Neoadjuvant Chemotherapy for Cisplatin-eligible Muscle-invasive Bladder Cancer (MIBC) (MK-3475-866/KEYNOTE-866)

NCT03924856
View directory record Official record
Conditions
Bladder Cancer
Interventions
Pembrolizumab, Gemcitabine, Cisplatin, Surgery (radical cystectomy (RC) plus Pelvic Lymph Node Dissection [PLND]), Placebo
Drug · Procedure
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
907 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
24
States / cities
La Jolla, California • Santa Monica, California • Washington D.C., District of Columbia + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Active, not recruiting Phase 3 Interventional

Infusion of Apomorphine: Long-term Safety Study

NCT02339064
View directory record Official record
Conditions
Idiopathic Parkinson's Disease
Interventions
apomorphine infusion
Drug
Lead sponsor
MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
18
States / cities
Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2025 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of Urate Elevation in Parkinson's Disease, Phase 3

NCT02642393
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Inosine, Placebo
Drug
Lead sponsor
Michael Alan Schwarzschild
Other
Eligibility
30 Years and older
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
61
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 9, 2026, 6:24 AM EDT
Active, not recruiting Phase 3 Interventional

A Study of Belzutifan (MK-6482) Plus Pembrolizumab (MK-3475) Versus Placebo Plus Pembrolizumab in Participants With Clear Cell Renal Cell Carcinoma Post Nephrectomy (MK-6482-022)

NCT05239728
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
Belzutifan, Pembrolizumab, Placebo
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
37
States / cities
Phoenix, Arizona • Duarte, California • La Jolla, California + 31 more
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of Lenvatinib (MK-7902/E7080) in Combination With Pembrolizumab (MK-3475) Versus Standard of Care in Participants With Metastatic Colorectal Cancer (MK-7902-017/E7080-G000-325/LEAP-017)

NCT04776148
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
pembrolizumab, lenvatinib, regorafenib, TAS-102 (trifluridine and tipiracil)
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
563 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
12
States / cities
Monterey, California • Marietta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of Pembrolizumab Given With Ipilimumab or Placebo in Participants With Untreated Metastatic Non-Small Cell Lung Cancer (NSCLC) (MK-3475-598/KEYNOTE-598)

NCT03302234
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Ipilimumab, Placebo
Biological · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
25
States / cities
Phoenix, Arizona • Burbank, California • Monterey, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Pembrolizumab + Epacadostat vs Pembrolizumab + Placebo in Recurrent or Progressive Metastatic Urothelial Carcinoma

NCT03374488
View directory record Official record
Conditions
UC (Urothelial Cancer)
Interventions
Pembrolizumab, Epacadostat, Placebo
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
24
States / cities
Chandler, Arizona • Orange, California • San Francisco, California + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional

Study of Pembrolizumab/Vibostolimab (MK-7684A) in Combination With Concurrent Chemoradiotherapy Followed by Pembrolizumab/Vibostolimab Versus Concurrent Chemoradiotherapy Followed by Durvalumab in Participants With Stage III Non-small Cell Lung Cancer (MK-7684A-006)

NCT05298423
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
pembrolizumab/vibostolimab, durvalumab, cisplatin, pemetrexed, etoposide, carboplatin, paclitaxel, thoracic radiotherapy
Biological · Drug · Radiation
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
21
States / cities
Long Beach, California • Los Angeles, California • Hollywood, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Lenvatinib (E7080/MK-7902) Plus Pembrolizumab (MK-3475) Plus Chemotherapy in Participants With Advanced/Metastatic Gastroesophageal Adenocarcinoma (MK-7902-015/E7080-G000-321/LEAP-015)

NCT04662710
View directory record Official record
Conditions
Advanced/Metastatic Gastroesophageal Adenocarcinoma
Interventions
Pembrolizumab, Lenvatinib, Oxaliplatin, Capecitabine, Leucovorin (or Levoleucovorin), 5-FU
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
895 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
12
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Louisville, Kentucky + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Pembrolizumab (MK-3475) Versus Placebo as Adjuvant Therapy in Participants With Hepatocellular Carcinoma (HCC) and Complete Radiological Response After Surgical Resection or Local Ablation (MK-3475-937 / KEYNOTE-937)

NCT03867084
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
Pembrolizumab, Placebo
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
959 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
24
States / cities
Gilbert, Arizona • Tucson, Arizona • Duarte, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Study of First-line Pembrolizumab (MK-3475) With Lenvatinib (MK-7902/E7080) in Urothelial Carcinoma Cisplatin-ineligible Participants Whose Tumors Express Programmed Cell Death-Ligand 1 and in Participants Ineligible for Platinum-containing Chemotherapy (MK-7902-011/E7080-G000-317/ LEAP-011)

NCT03898180
View directory record Official record
Conditions
Urothelial Carcinoma
Interventions
Pembrolizumab, Lenvatinib, Placebo for lenvatinib
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
21
States / cities
Gilbert, Arizona • Clovis, California • Orange, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Long Term Study of Istradefylline in Subjects With Moderate to Severe Parkinson's Disease

NCT02610231
View directory record Official record
Conditions
Idiopathic Parkinson's Disease
Interventions
Istradefylline 20 mg or 40 mg
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
30 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
23
States / cities
Phoenix, Arizona • Sun City, Arizona • Tucson, Arizona + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 9, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Results available

Pembrolizumab (MK-3475) as First-line Therapy for Advanced Merkel Cell Carcinoma (MK-3475-913)

NCT03783078
View directory record Official record
Conditions
Merkel Cell Carcinoma
Interventions
Pembrolizumab (MK-3475)
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
12 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 9, 2026, 6:24 AM EDT