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Completed Phase 1 Interventional

NKTR-255 in Relapsed/Refractory Multiple Myeloma & Non-Hodgkin Lymphoma

ClinicalTrials.gov ID: NCT04136756

Public ClinicalTrials.gov record NCT04136756. 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.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:36 AM EDT

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 1, Open-label, Multi-center, Dose Escalation and Dose Expansion Study of NKTR-255 in Relapsed or Refractory Hematological Malignancies

Study identification

NCT ID
NCT04136756
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Nektar Therapeutics
Industry
Enrollment
30 participants

Conditions and interventions

Interventions

  • NKTR-255 Drug
  • NKTR-255 Q21 Drug
  • Rituximab Drug
  • Daratumumab Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 80 Years
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
Oct 6, 2019
Primary completion
Apr 23, 2023
Completion
Apr 23, 2023
Last update posted
Jun 14, 2023

2019 – 2023

United States locations

U.S. sites
13
U.S. states
11
U.S. cities
13
Facility City State ZIP Site status
Western Regional Medical Center - CTCA Goodyear Arizona 85338
City of Hope Duarte California 91010
University of California, San Francisco San Francisco California 94143
H. Lee Moffitt Cancer Center and Research Institute Tampa Florida 33612
Winship Cancer Institute, Emory University Atlanta Georgia 30322
University of Michigan Ann Arbor Michigan 48109
University of Minnesota Minneapolis Minnesota 55455
Memorial Sloan Kettering Cancer Center New York New York 10065
New York Medical College Valhalla New York 10595
Duke University Health System Durham North Carolina 27705
MD Anderson Cancer Center Houston Texas 77030
Virginia Cancer Specialists Fairfax Virginia 22031
University of Washington Seattle Washington 98109

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 NCT04136756, 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 Jun 14, 2023 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04136756 live on ClinicalTrials.gov.

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