Clinical Trials

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma

NCT06975293 2026-03-05

STC-15 as a Part of Combination Therapy With Toripalimab in Selected Advanced Cancers

DermatologicGynecologicHead & NeckThoracic

188 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma, Endometrial Neoplasms

NCT06047379 2026-03-02

Safety and Efficacy of NEO212 in Patients With Astrocytoma IDH-mutant, Glioblastoma IDH-wildtype or Brain Metastasis

CNSDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

134 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Astrocytoma, Brain Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Squamous Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Esophageal Neoplasms, Glioblastoma, Melanoma, Stomach Neoplasms, Colorectal Neoplasms, Carcinoma, Merkel Cell, Central Nervous System Neoplasms, Small Cell Lung Carcinoma

NCT06305247 2026-02-27

A Study to Assess IPN01194 When Administered Alone in Adults With Advanced Solid Tumours

DermatologicGastrointestinalHead & Neck

220 enrolled

Squamous Cell Carcinoma of Head and Neck, Melanoma, Colorectal Neoplasms

NCT04895709 2026-02-25

A Study of BMS-986340 as Monotherapy and in Combination With Nivolumab or Docetaxel in Participants With Advanced Solid Tumors

BreastDermatologicGenitourinaryGynecologicHead & NeckThoracic

949 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Melanoma, Ovarian Neoplasms, Triple Negative Breast Neoplasms

NCT05537740 2026-02-23

A First-in-human Study to Learn How Safe the Study Drug BAY3375968, an Anti-CCR8 Antibody, is, When Given Alone or in Combination With Pembrolizumab, How it Affects the Body, How it Moves Into, Through, and Out of the Body, and to Find the Best Dose in Participants With Advanced Solid Tumors

BreastDermatologicHead & NeckThoracic

129 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma, Recurrence, Triple Negative Breast Neoplasms

NCT06546553 2026-02-23

A Study to Learn About How Different Amounts of the Study Medicine PF-07826390 Act in the Body of People With Cancer When Taken Alone or With Other Anti-cancer Medicines.

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

10 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Kidney Neoplasms, Melanoma, Neoplasm Metastasis, Neoplasms, Ovarian Neoplasms, Rectal Diseases, Colorectal Neoplasms

NCT06305962 2026-02-19

177Lu-anti-PD-L1 sdAb in Metastatic Solid Tumors

Phase EARLY_PHASE1 Recruiting

30 enrolled

BreastDermatologicGynecologicHead & NeckThoracic

Turcot syndrome, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma, Endometrial Neoplasms, Small Cell Lung Carcinoma, Triple Negative Breast Neoplasms

NCT06870487 2026-02-19

A Study to Learn About the Study Medicine Called PF-08046032 in People With Advanced Cancers

DermatologicHead & NeckLymphoidOther hematologic neoplasmThoracic

6 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Head and Neck Neoplasms, Hodgkin Disease, Lung Neoplasms, Lymphoma, Non-Hodgkin, Melanoma, Neoplasm Metastasis, Neoplasms, Skin Neoplasms, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Peripheral, Hematologic Neoplasms

NCT04485013 2026-02-18

TTX-080 HLA-G Antagonist in Subjects With Advanced Cancers

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

240 enrolled

Adenocarcinoma of Lung, Squamous Cell Carcinoma of Head and Neck, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Head and Neck Neoplasms, Kidney Neoplasms, Lung Neoplasms, Melanoma, Neoplasm Metastasis, Neoplasms, Ovarian Neoplasms, Prostatic Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Endometrial Neoplasms, Triple Negative Breast Neoplasms

NCT05068102 2026-02-18

A Study to Test How BI 765063 and BI 770371 Are Taken up in Tumours of People With Different Types of Advanced Cancer Who Are Also Taking Ezabenlimab

14 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Carcinoma, Non-Small-Cell Lung, Melanoma

NCT05267626 2026-02-18

Study of AU-007, A Monoclonal Antibody That Binds to IL-2 and Inhibits IL-2Rα Binding, in Patients With Unresectable Locally Advanced or Metastatic Cancer

DermatologicGastrointestinalGenitourinaryHead & NeckThoracic

159 enrolled

Diabetes Mellitus, Insulin-Dependent, 10, Squamous Cell Carcinoma of Head and Neck, Urinary Bladder Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Melanoma, Neoplasm Metastasis, Stomach Neoplasms, Carcinoma, Merkel Cell

NCT05581004 2026-02-17

A Study to Evaluate the Safety, Pharmacokinetics, and Activity of RO7502175 as a Single Agent and in Combination With Checkpoint Inhibitor in Participants With Locally Advanced or Metastatic Solid Tumors

DermatologicGastrointestinalGenitourinaryGynecologicHead & Neck

450 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Esophageal Neoplasms, Melanoma, Stomach Neoplasms, Colorectal Neoplasms

NCT05551117 2026-02-09

Tamarack

Phase 2 Terminated

192 enrolled 20 charts

DermatologicGastrointestinalGenitourinaryHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Anus Neoplasms, Carcinoma, Non-Small-Cell Lung, Melanoma, Carcinoma, Small Cell, Small Cell Lung Carcinoma, Prostatic Neoplasms, Castration-Resistant

NCT06953089 2026-02-06

DB-1311 in Combination With BNT327 or DB-1305 in Advanced/Metastatic Solid Tumors

Phase 2 Recruiting

492 enrolled

DermatologicGastrointestinalGynecologicHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Hepatocellular, Melanoma, Ovarian Neoplasms

NCT06242470 2026-02-05

A Study of MGC026 in Participants With Advanced Solid Tumors

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckSarcomaThoracic

250 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Carcinoma, Hepatocellular, Melanoma, Neoplasm Metastasis, Ovarian Neoplasms, Pancreatic Neoplasms, Sarcoma, Stomach Neoplasms, Colorectal Neoplasms, Endometrial Neoplasms, Small Cell Lung Carcinoma, Prostatic Neoplasms, Castration-Resistant

NCT06974734 2026-01-15

A Clinical Trial of PF-08046037 Alone or With Sasanlimab in Patients With Advanced or Metastatic Malignancies

DermatologicGastrointestinalHead & NeckThoracic

9 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma, Carcinoma, Pancreatic Ductal

NCT03228667 2026-01-14

QUILT-3.055: A Study of Combination Immunotherapies in Patients Who Have Previously Received Treatment With Immune Checkpoint Inhibitors

Phase 2 Active not recruiting

40 enrolled

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

Turcot syndrome, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Carcinoma, Hepatocellular, Melanoma, Stomach Neoplasms, Colorectal Neoplasms, Carcinoma, Merkel Cell, Microsatellite Instability, Small Cell Lung Carcinoma

NCT07339176 2026-01-14

OP-NEU-101

Phase 1/2 Not yet recruiting

275 enrolled

BreastDermatologicHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Squamous Cell, Head and Neck Neoplasms, Melanoma, Neoplasm Metastasis, Neoplasms, Triple Negative Breast Neoplasms

NCT04260802 2026-01-12

A Study to Evaluate the Safety and Pharmacokinetics of OC-001 in Patients With Locally Advanced or Metastatic Cancers

Phase 1/2 Terminated

73 enrolled

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckSarcomaThoracic

Squamous Cell Carcinoma of Head and Neck, Urinary Bladder Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Squamous Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Carcinoma, Hepatocellular, Neoplasm Metastasis, Neoplasms, Ovarian Neoplasms, Sarcoma, Stomach Neoplasms, Carcinoma, Merkel Cell, Triple Negative Breast Neoplasms

NCT02988960 2026-01-09

A Study of ABBV-927 and ABBV-181, an Immunotherapy, in Participants With Advanced Solid Tumors

163 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma, Neoplasms

NCT05902520 2026-01-08

ACT

DermatologicGastrointestinalHead & NeckThoracic

18 enrolled

Squamous Cell Carcinoma of Head and Neck, Lung Neoplasms, Melanoma, Neoplasms, Urogenital Neoplasms, Colorectal Neoplasms

NCT03746431 2026-01-07

A Phase 1 Study of [225Ac]-FPI-1434 Injection

BreastDermatologicEndocrineGynecologicHead & Neck

78 enrolled

Squamous Cell Carcinoma of Head and Neck, Uveal Melanoma, Breast Neoplasms, Uterine Cervical Neoplasms, Ovarian Neoplasms, Endometrial Neoplasms, Adrenocortical Carcinoma, Triple Negative Breast Neoplasms

NCT06781983 2026-01-07

Safety and Tolerability of IPH4502 in Patients With Advanced Solid Tumors

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

145 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Carcinoma, Non-Small-Cell Lung, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Melanoma, Ovarian Neoplasms, Prostatic Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Triple Negative Breast Neoplasms

NCT05544929 2026-01-06

A Study of Safety and Efficacy of KFA115 Alone and in Combo With Pembrolizumab in Patients With Select Advanced Cancers

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmThoracic

126 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Nasopharyngeal Carcinoma, Anus Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Colonic Neoplasms, Esophageal Neoplasms, Head and Neck Neoplasms, Intestinal Neoplasms, Kidney Neoplasms, Lung Neoplasms, Melanoma, Mesothelioma, Nasopharyngeal Neoplasms, Neoplasms, Ovarian Neoplasms, Rectal Neoplasms, Skin Neoplasms, Thymoma, Thymus Neoplasms, Colorectal Neoplasms, Adenocarcinoma, Clear Cell, Triple Negative Breast Neoplasms

NCT04490564 2025-12-30

Validation of Molecular Diagnostic Assays to Detect Cancer Biomarkers in Blood and Primary Tumor in HNSCC/NSCLC/Melanoma

Completed

135 enrolled

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Melanoma

NCT05520099 2025-12-26

ELEPHAS-02

Recruiting

416 enrolled

Squamous Cell Carcinoma of Head and Neck, Urinary Bladder Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Head and Neck Neoplasms, Carcinoma, Hepatocellular, Kidney Neoplasms, Liver Neoplasms, Lung Neoplasms, Melanoma, Neoplasms, Skin Neoplasms, Colorectal Neoplasms, Endometrial Neoplasms

NCT06022029 2025-12-24

ON-5001

BreastDermatologicGenitourinaryGynecologicHead & NeckLymphoid

168 enrolled

Squamous Cell Carcinoma of Head and Neck, Uveal Melanoma, Bites and Stings, Urinary Bladder Neoplasms, Breast Neoplasms, Carcinoma in Situ, Uterine Cervical Neoplasms, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Melanoma, Neoplasm Metastasis, Neoplasms, Recurrence, Skin Neoplasms, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Mantle-Cell, Triple Negative Breast Neoplasms

NCT04198766 2025-12-18

Study of INBRX-106 and INBRX-106 in Combination With Pembrolizumab (Keytruda®) in Subjects With Locally Advanced or Metastatic Solid Tumors (Hexavalent OX40 Agonist)

Phase 1/2 Active not recruiting

296 enrolled

DermatologicGastrointestinalGenitourinaryHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Squamous Cell, Carcinoma, Transitional Cell, Head and Neck Neoplasms, Hypopharyngeal Neoplasms, Lung Neoplasms, Melanoma, Mouth Neoplasms, Neoplasms, Neoplasms by Histologic Type, Neoplasms by Site, Neoplasms, Glandular and Epithelial, Oropharyngeal Neoplasms, Stomach Neoplasms, Neoplasms, Squamous Cell

NCT06150664 2025-12-12

A Phase 1 of CTX-8371 in Patients With Advanced Malignancies

BreastDermatologicHead & NeckLymphoidThoracic

73 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Hodgkin Disease, Melanoma, Triple Negative Breast Neoplasms

NCT03886181 2025-12-08

Alpha Radiation Emitters Device for the Treatment of Cutaneous, Mucosal and Superficial Soft Tissue Neoplasia (DaRT)

Phase NA Terminated

2 enrolled

DermatologicHead & NeckSarcoma

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Basal Cell, Carcinoma, Squamous Cell, Lip Neoplasms, Sarcoma, Kaposi, Skin Neoplasms, Soft Tissue Neoplasms, Tongue Neoplasms

NCT03889899 2025-12-02

Alpha Radiation Emitters Device (DaRT) for the Treatment of Cutaneous, Mucosal or Superficial Soft Tissue Neoplasia.

Phase NA Recruiting

30 enrolled

DermatologicHead & NeckSarcoma

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Basal Cell, Carcinoma, Squamous Cell, Lip Neoplasms, Sarcoma, Kaposi, Skin Neoplasms, Soft Tissue Neoplasms, Tongue Neoplasms

NCT04540588 2025-12-02

Retreatment With Intratumoral Diffusing Alpha Radiation Emitters

Phase NA Completed

2 enrolled

DermatologicHead & NeckSarcoma

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Basal Cell, Carcinoma, Squamous Cell, Lip Neoplasms, Recurrence, Sarcoma, Kaposi, Skin Neoplasms, Soft Tissue Neoplasms, Tongue Neoplasms

NCT05047094 2025-12-02

A Safety and Efficacy Study for Combinational Treatment of DaRT and Check Point Inhibitor for Recurrent Unresectable or mHNSCC

Phase NA Recruiting

48 enrolled

DermatologicHead & Neck

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Squamous Cell, Recurrence, Skin Neoplasms

NCT03983954 2025-11-28

Naptumomab Estafenatox in Combination With Durvalumab in Subjects With Selected Advanced or Metastatic Solid Tumor, Including a Cohort Expansion in Esophageal Cancer.

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmThoracic

120 enrolled

Adenocarcinoma Of Esophagus, Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Urinary Bladder Neoplasms, Carcinoma, Renal Cell, Esophageal Neoplasms, Carcinoma, Hepatocellular, Melanoma, Mesothelioma, Ovarian Neoplasms, Prostatic Neoplasms, Endometrial Neoplasms, Triple Negative Breast Neoplasms

NCT06332755 2025-11-24

LB-LR1109

DermatologicGenitourinaryHead & NeckThoracic

76 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Melanoma

NCT07246759 2025-11-24

NEUTROFLOW

Not yet recruiting

600 enrolled

BreastDermatologicGenitourinaryHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Melanoma, Triple Negative Breast Neoplasms

NCT05238883 2025-11-21

A Study of HFB200301 as a Single Agent and in Combination With Tislelizumab in Adult Patients With Advanced Solid Tumors

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmSarcomaThoracic

72 enrolled

Testicular Germ Cell Tumor, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Melanoma, Mesothelioma, Sarcoma, Stomach Neoplasms

NCT05914116 2025-11-21

A Phase 1/2a Study of DB-1311/BNT324 in Advanced/Metastatic Solid Tumors

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

862 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Carcinoma, Non-Small-Cell Lung, Uterine Cervical Neoplasms, Carcinoma, Hepatocellular, Melanoma, Prostatic Neoplasms, Small Cell Lung Carcinoma

NCT05229601 2025-10-22

A Study of HFB301001 in Adult Patients With Advanced Solid Tumors

DermatologicGastrointestinalGenitourinaryHead & NeckSarcoma

31 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Renal Cell, Carcinoma, Hepatocellular, Melanoma, Sarcoma

NCT06285097 2025-09-17

A Study of PF-07820435 as a Single Agent and in Combination in Participants With Advanced Solid Tumors

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

9 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Melanoma, Neoplasms, Ovarian Neoplasms, Colorectal Neoplasms

NCT05653882 2025-09-10

A Study Evaluating AB248 Alone or in Combination With Pembrolizumab in Adult Patients With Solid Tumors

DermatologicGenitourinaryHead & NeckThoracic

552 enrolled

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Melanoma

NCT03114319 2025-08-28

Dose Finding Study of TNO155 in Adult Patients With Advanced Solid Tumors

DermatologicGastrointestinalHead & Neck

227 enrolled

Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, Melanoma, Noonan Syndrome

NCT05059444 2025-08-22

ORACLE

Recruiting

2,020 enrolled

DermatologicGastrointestinalGenitourinaryGynecologicHead & NeckThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Urinary Bladder Neoplasms, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Esophageal Neoplasms, Fallopian Tube Neoplasms, Melanoma, Rectal Neoplasms, Ureteral Neoplasms, Endometrial Neoplasms

NCT03126110 2025-08-14

Phase 1/2 Study Exploring the Safety, Tolerability, and Efficacy of INCAGN01876 Combined With Immune Therapies in Advanced or Metastatic Malignancies

Phase 1/2 Completed

145 enrolled 47 charts

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Carcinoma, Transitional Cell, Uterine Cervical Neoplasms, Carcinoma, Hepatocellular, Melanoma, Mesothelioma, Neoplasm Metastasis, Ovarian Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Carcinoma, Merkel Cell, Endometrial Neoplasms, Small Cell Lung Carcinoma, Triple Negative Breast Neoplasms

NCT05222932 2025-08-07

AVENTIL

15 enrolled

DermatologicHead & Neck

Squamous Cell Carcinoma of Head and Neck, Melanoma

NCT05086692 2025-07-09

ABILITY-1

BreastDermatologicGastrointestinalGenitourinaryGynecologicHead & NeckOther solid neoplasmThoracic

115 enrolled

Turcot syndrome, Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Mesothelioma, Malignant, Urinary Bladder Neoplasms, Carcinoma, Basal Cell, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Esophageal Neoplasms, Fallopian Tube Neoplasms, Melanoma, Neoplasm Metastasis, Neoplasms, Ovarian Neoplasms, Skin Neoplasms, Stomach Neoplasms, Colorectal Neoplasms, Carcinoma, Merkel Cell, Endometrial Neoplasms, Triple Negative Breast Neoplasms

NCT05432193 2025-06-25

FAPi Radioligand OpeN-Label, Phase 1 Study to Evaluate Safety, Tolerability and DosImetry of [Lu-177]-PNT6555; A Dose Escalation Study for TReatment of Patients With Select Solid Tumors (FRONTIER)