Upstream Bio Inc.
Nasdaq UPB · Waltham, MA
Works in Immunology · Infectious disease · Respiratory
Upstream Bio Inc. is a clinical trial sponsor based in Waltham, MA, listed as Nasdaq UPB. It has 2 active clinical trials with 1,062 planned participants, in Immunology, Infectious disease and Respiratory. Since 2021 it has completed 4 trials and stopped 0 early.
Trial track record · since 2021
Financials · Nasdaq UPB
Fundraising
Pipeline · 2 active trials
| Stage | Trial | Status |
|---|---|---|
Questions about Upstream Bio Inc
Upstream Bio Inc is lead sponsor of 2 active clinical trials on ClinicalTrials.gov, with 1,062 planned participants, in Immunology, Infectious disease, Respiratory. Since 2021 it has completed 4 trials and stopped 0 early.
Upstream Bio Inc is based in Waltham, MA and is listed as Nasdaq UPB. The address is the one on its SEC filings, which name the establishment or the registrant, not always the group's head office.
From public sources only: ClinicalTrials.gov for trials, FDA's Data Dashboard, warning-letter listing and enforcement reports for the FDA record, and SEC filings for financials. Approve Suite is not affiliated with Upstream Bio Inc; every record links to the source, and nothing here is advice.
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Trial counts are as the sponsor reported them to ClinicalTrials.gov, for trials changed since 2021; latest update 2026-09-18.
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