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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Sponsor: Diwakar Davar Clear all
Completed Phase 1 Interventional

Neoadjuvant Combination Therapy With Ipilimumab and HighDose IFN-α2b for Melanoma

NCT01608594
View directory record Official record
Conditions
Melanoma
Interventions
administration of ipilimumab10mg/kg, administration of ipilimumab 3mg/kg + HDI
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Sep 29, 2026, 5:23 PM EDT
Active, not recruiting Phase 2 Interventional

Neoadjuvant PD-1 Inhibitor Dostarlimab (TSR-042) vs. Combination of Tim-3 Inhibitor Cobolimab (TSR-022) and PD-1 Inhibitor Dostarlimab (TSR-042) in Melanoma

NCT04139902
View directory record Official record
Conditions
Melanoma Stage III, Melanoma Stage IV
Interventions
Dostarlimab (TSR-042) (singly), Dostarlimab (TSR-042) and TSR-022 (combination)
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • Pittsburgh, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 29, 2026, 5:23 PM EDT
Completed Early Phase 1 Interventional

Immunogenicity and Biomarker Analysis of Neoadjuvant Ipilimumab for Melanoma

NCT00972933
View directory record Official record
Conditions
Melanoma
Interventions
ipilimumab
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Sep 29, 2026, 5:23 PM EDT
Completed Phase 2 Interventional Results available

CMP-001 in Combo With Nivolumab in Stage IIIB/C/D Melanoma Patients With Clinically Apparent Lymph Node Disease

NCT03618641
View directory record Official record
Conditions
Melanoma, Lymph Node Cancer
Interventions
CMP-001, Nivolumab
Drug · Biological
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 29, 2026, 5:23 PM EDT
Recruiting Phase 2 Interventional

Patient Preference for Subcutaneous vs. Intravenous Immune Therapy

NCT07223424
View directory record Official record
Conditions
Renal Cell Carcinoma, Non Small Cell Lung Cancer, Melanoma, Colo-rectal Cancer (dMMR/MSI-H CRC), Hepatocellular Carcinoma, Ulcerative Colitis, Esophageal Cancer, Squamous Cell Carcinoma, Gastric/GEJ, Cervical Cancer, Gastro-Esophageal Adenocarcinoma, Esophageal Adenocarcinoma
Interventions
nivolumab, pembrolizumab
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Neoadjuvant Study of PD-1 Inhibitor Pembrolizumab in PD-1 Naive Cutaneous Squamous Cell Carcinoma (cSCC)

NCT04808999
View directory record Official record
Conditions
Squamous Cell Carcinoma
Interventions
Pembrolizumab Injection
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Withdrawn Phase 2 Interventional

Healthy-donor Microbiome MTP-101-C in Steroid Relapse/Refractory Immune-related Cutaneous Adverse Events (irCAEs) and Immune-mediated Colitis (IMC)

NCT06499896
View directory record Official record
Conditions
Immune-mediated Colitis (IMC), Immune-related Dermatitis
Interventions
MTP-101-C
Biological
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Completed Phase 2 Interventional Results available

Study of TLR9 Agonist Vidutolimod (CMP-001) in Combination With Nivolumab vs. Nivolumab

NCT04401995
View directory record Official record
Conditions
Melanoma
Interventions
Vidutolimod (CMP-001), Nivolumab, [18F]F-AraG PET/CT
Drug · Biological · Other
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Recruiting Phase 2 Interventional

Tebentafusp in HLA-A*0201 Positive Previously Untreated Metastatic Uveal Melanoma

NCT06070012
View directory record Official record
Conditions
Uveal Melanoma
Interventions
Tebentafusp
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
4
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Recruiting Phase 2 Interventional

Study of Healthy Donor FMT (hdFMT) and Pembrolizumab in Relapsed/Refractory (R/R) PD-L1 Positive NSCLC

NCT05669846
View directory record Official record
Conditions
Non Small Cell Lung Cancer
Interventions
Healthy Donor Fecal Microbiota Transplant (hdFMT), Pembrolizumab
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2036
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Active, not recruiting Phase 2 Interventional

Zimberelimab (AB122) With TIGIT Inhibitor Domvanalimab (AB154) in PD-1 Relapsed/Refractory Melanoma

NCT05130177
View directory record Official record
Conditions
Melanoma
Interventions
Zimberelimab, Domvanalimab
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 29, 2026, 5:23 PM EDT
Completed Phase 2 Interventional Results available

Pixatimod (PG545) Plus Nivolumab in PD-1 Relapsed/Refractory Metastatic Melanoma and NSCLC and With Nivolumab and Low-dose Cyclophosphamide in MSS Metastatic Colorectal Carcinoma (mCRC)

NCT05061017
View directory record Official record
Conditions
NSCLC, Metastatic Colorectal Carcinoma, Refractory Melanoma
Interventions
Pixatimod, Nivolumab, Cyclophosphamide (low dose)
Drug
Lead sponsor
Diwakar Davar
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 29, 2026, 5:23 PM EDT