Purpose

Cancer is a condition where cells in a specific part of body grow and reproduce uncontrollably. The purpose of this study is to assess safety, tolerability, pharmacokinetics and preliminary efficacy of ABBV-706 as a monotherapy and in combination with budigalimab, carboplatin, or cisplatin. ABBV-706 is an investigational drug being developed for the treatment of small cell lung cancer (SCLC), high-grade central nervous system (CNS) tumors and high-grade neuroendocrine carcinomas (NECs). There are multiple treatment arms in this study. Participants will either receive ABBV-706 as a single agent or in combination with budigalimab (another investigational drug), carboplatin or cisplatin at different doses. Approximately 350 adult participants will be enrolled in the study across sites worldwide. In part 1 (dose escalation), ABBV-706 will be intravenously infused in escalating doses as a monotherapy until the maximum tolerated dose (MTD) is determined in participants with SCLC, high-grade CNS tumors, and high-grade NECs. In part 2, multiple doses will be selected from Part 1 and SCLC participants will be assigned to one of these doses in a randomized fashion to determine the recommended Phase 2 dose. In Part 3a, participants with SCLC or NECs will receive ABBV-706 in combination with budigalimab intravenously every 3 weeks. In Part 3b participants with SCLC or NECs will receive ABBV-706 in combination with either carboplatin or cisplatin intravenously. In Part 4a, participants with CNS tumors will receive ABBV-706 intravenously at a dose determined from Part 1. In Part 4b, participants with NECs will receive ABBV-706 intravenously at a dose selected from Part 1. The estimated duration of the study is up to 3 years. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic and may require frequent medical assessments, blood tests, and scans.

Condition

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. - The laboratory values criteria must be met within 7 days prior to the first dose of study drug as per the protocol. - QT interval corrected for heart rate (QTc) <= 450 msec (males) or <= 470 msec (females) using Fridericia's correction, and an ejection fraction of >= 50% as measured by echocardiogram or multigated acquisition (MUGA) scan at Screening. - Part 1 only: Advanced recurrent or refractory solid tumors with potential SEZ6 expression including small cell lung cancer (SCLC), high-grade central nervous system (CNS) tumors (glioblastoma [GBM], IDH-wildtype Grade 4; oligodendroglioma, IDH-mutant, and 1p/19q-codeleted Grade 3; astrocytoma, IDH-mutant Grade 3 or Grade 4), neuroendocrine prostate cancer (NEPC), high-grade poorly differentiated gastroenteropancreatic neuroendocrine carcinoma (GEP-NEC)s, large cell neuroendocrine carcinoma (LCNEC)s, SCLC transformed from epidermal growth factor receptor (EGFR) mutant non-small cell lung cancer (NSCLC), atypical lung carcinoids, and other high-grade poorly differentiated NECs, who have progressed on or after standard of care (SoC) therapy and with no curative therapy available. For SCLC, participants must have histologically or cytologically confirmed SCLC that is relapsed or refractory following at least 1 prior platinum-containing chemotherapy. - Part 2 only: Histologically or cytologically confirmed SCLC that is relapsed or refractory (R/R) following at least 1 prior platinum-containing chemotherapy and with no curative therapy available. For the purposes of this study, a line of therapy is defined as >= 1 complete cycle of either a single agent or combination of drugs, including any planned sequential therapy of various regimens. - Part 3a only: Participants with R/R SCLC following at least 1 prior platinum-containing chemotherapy or R/R poorly differentiated NECs, e.g., NEPC, GEP-NECs, LCNECs, SCLC transformed from EGFR mutant Non-small cell lung cancer (NSCLC), atypical lung carcinoids, other high-grade poorly differentiated NECs. - Part 3b only: Participants with R/R SCLC who have only progressed following a frontline regimen containing a platinum-based chemotherapy or R/R NECs, e.g., NEPC, GEP-NECs, LCNECs, SCLC transformed from EGFR mutant NSCLC, atypical lung carcinoids, other NECs. - Part 4a only: Participants with R/R high-grade CNS tumors (GBM, IDH-wildtype Grade 4; oligodendroglioma, IDH-mutant, and 1p/19q-codeleted Grade 3; astrocytoma, IDH-mutant Grade 3 or Grade 4) who have progressed on SoC therapy and with no curative therapy options available. - Part 4b only: Participants with R/R neuroendocrine tumors, including NEPC, GEP-NECs, LCNECs, SCLC transformed from EGFR mutant NSCLC, atypical lung carcinoids, and other high-grade poorly differentiated NECs, who have progressed on SoC therapy and with no curative therapy options available. - Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 for participants with extracranial solid tumors or Response Assessment for Neuro-Oncology (RANO)for participants with primary high-grade CNS tumors (GBM, IDH-wildtype Grade 4; oligodendroglioma, IDH-mutant, and 1p/19q-codeleted Grade 3; astrocytoma, IDH-mutant Grade 3 or Grade 4). - Primary CNS tumors within 12 weeks from radiation therapy should have unequivocal progression as documented by either tumor recurrence predominantly outside of radiation field on magnetic resonance imaging (MRI) or confirmed on tumor biopsy. - Participants with brain metastases from an extracranial solid tumor are eligible if the brain metastases as outlined in the protocol. - Fresh or archival tumor tissue available for submission, for retrospective SEZ6 expression analysis as outlined in the protocol.

Exclusion Criteria

  • History of interstitial lung disease (ILD) or pneumonitis that required treatment with systemic steroids, nor any evidence of active ILD or pneumonitis. - History of idiopathic pulmonary fibrosis or organizing pneumonia. - Prior treatment with an antibody drug conjugate that consists of a Top1 inhibitor payload. - Part 2 only: Prior treatment with a SEZ6-targeted antibody drug conjugate.

Study Design

Phase
Phase 1
Study Type
Interventional
Allocation
Non-Randomized
Intervention Model
Sequential Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Part 1: ABBV-706 Monotherapy Dose Escalation
Participants will receive escalating doses of ABBV-706 until doses for optimization are determined, as part of an approximately 1 year treatment period.
  • Drug: ABBV-706
    Intravenous (IV) Infusion
Experimental
Part 2: ABBV-706 Monotherapy Dose Optimization and Expansion
Participants with small cell lung cancer will receive varying doses of ABBV-706 in a randomized manner until the recommended phase 2 dose (RP2D) is achieved, as part of an approximately 1 year treatment period..
  • Drug: ABBV-706
    Intravenous (IV) Infusion
Experimental
Part 3a: ABBV-706 + Budigalimab
Participants will receive ABBV-706 in combination with budigalimab, as part of an approximately 1 year treatment period.
  • Drug: ABBV-706
    Intravenous (IV) Infusion
  • Drug: Budigalimab
    IV Infusion
    Other names:
    • ABBV-181
Experimental
Part 3b: ABBV-706 + Platinum Chemotherapy
Participants will receive ABBV-706 in combination with carboplatin or cisplatin, as part of an approximately 1 year treatment period.
  • Drug: ABBV-706
    Intravenous (IV) Infusion
  • Drug: Cisplatin
    Intravenous infusion
  • Drug: Carboplatin
    Intravenous infusion
Experimental
Part 4a: ABBV-706 Monotherapy Dose Expansion CNS Tumors
Participants with relapsed/refractory (R/R) central nervous system (CNS) tumors will receive ABBV-706 as a monotherapy at or below the maximum tolerated dose (MTD) maximum administered dose (MAD), as part of an approximately 1 year treatment period.
  • Drug: ABBV-706
    Intravenous (IV) Infusion
Experimental
Part 4b: ABBV-706 Monotherapy Dose Expansion NECs
Participants with R/R neuroendocrine carcinomas (NECs) will receive IV Infused ABBV-706 as a monotherapy at or below the MTD/MAD, as part of an approximately 1 year treatment period.
  • Drug: ABBV-706
    Intravenous (IV) Infusion

Recruiting Locations

Georgetown University Hospital /ID# 255352
Washington, District of Columbia 20007

More Details

Status
Recruiting
Sponsor
AbbVie

Study Contact

ABBVIE CALL CENTER
844-663-3742
abbvieclinicaltrials@abbvie.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.