Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1 Interventional

A Feasibility Study of Durvalumab +/- Oleclumab as Neoadjuvant Therapy for Muscle-invasive Bladder Cancer (BLASST-2)

ClinicalTrials.gov ID: NCT03773666

Public ClinicalTrials.gov record NCT03773666. 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 Oct 20, 2026, 5:35 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 Feasibility Study of Durvalumab (MEDI4736) Alone or in Combination With Oleclumab (MEDI9447) as Neoadjuvant Therapy for Muscle-invasive Bladder Cancer (BLASST-2)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This research study is studying a new anti-cancer drug durvalumab (MEDI4736) with or without another new anti-cancer drug Oleclumab (MEDI9447) before surgery for bladder cancer. The drugs involved in this study are: * Durvalumab (MEDI4736) * Oleclumab (MEDI9447)

Study identification

NCT ID
NCT03773666
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Enrollment
12 participants

Conditions and interventions

Interventions

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
Feb 20, 2019 (Actual)
Primary completion
Feb 4, 2021 (Actual)
Completion
Aug 2, 2021 (Actual)
Last update posted
Sep 13, 2022

2019 – 2021

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Massachusetts General Hospital Boston Massachusetts 02214 —
Dana Farber Cancer Institute Boston Massachusetts 02215 —

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 NCT03773666, 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 Sep 13, 2022 · Synced Oct 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03773666 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →