A CD8 Positron Emission Tomography With Computed Tomography (PET/CT) Study Using ⁸⁹Zr Df-IAB22M2C in Patients With Metastatic Melanoma Receiving Bempegaldesleukin (NKTR-214) and Nivolumab
Public ClinicalTrials.gov record NCT04955262. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1b, Open Label, Multicenter Study of Positron Emission Tomography With Computed Tomography (PET/CT) Using ⁸⁹Zr Df-IAB22M2C (CD8 PET/CT Tracer) in Patients With Metastatic Melanoma Receiving Bempegaldesleukin (NKTR-214) and Nivolumab
Study identification
- NCT ID
- NCT04955262
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Nektar Therapeutics
- Industry
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- Bempegaldesleukin (NKTR-214) Biological
- Nivolumab Biological
- ⁸⁹Zr-Df-IAB22M2C Drug
Biological · Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2019
- Primary completion
- May 31, 2021
- Completion
- Dec 31, 2021
- Last update posted
- Jul 7, 2021
2019 – 2022
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Investigational Site - Duarte | Duarte | California | 91010 | — |
| Investigational Site - Portland | Portland | Oregon | 97213 | — |
| Investigational Site - Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04955262, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 7, 2021 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04955262 live on ClinicalTrials.gov.