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Terminated Phase 3 Interventional

Upifitamab Rilsodotin Maintenance in Platinum-Sensitive Recurrent Ovarian Cancer (UP-NEXT)

ClinicalTrials.gov ID: NCT05329545

Public ClinicalTrials.gov record NCT05329545. 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 Nov 6, 2026, 9:24 PM EST

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Official title

A Phase 3, Randomized, Double-blind, Placebo-controlled, Multicenter Study of Upifitamab Rilsodotin (XMT-1536) as Post-Platinum Maintenance Therapy for Participants With Recurrent, Platinum-Sensitive, Ovarian Cancer (UP-NEXT)

Brief summary

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

UP-NEXT is a double-blind, randomized, placebo-controlled study of the antibody-drug conjugate (ADC) XMT-1536 (upifitamab rilsodotin) administered as an intravenous infusion once every four weeks in patients with recurrent, platinum-sensitive high-grade serous ovarian cancer (HGSOC), including fallopian tube and primary peritoneal cancer, expressing high levels of NaPi2b.

Study identification

NCT ID
NCT05329545
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 3
Lead sponsor
Mersana Therapeutics
Industry
Enrollment
20 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
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
Jun 23, 2022 (Actual)
Primary completion
Sep 29, 2023 (Actual)
Completion
Sep 29, 2023 (Actual)
Last update posted
Oct 26, 2023

2022 – 2023

United States locations

U.S. sites
28
U.S. states
18
U.S. cities
26
Facility City State ZIP Site status
HonorHealth Research Institute - HonorHealth VGPCC Biltmore Phoenix Arizona 85016 —
The University of Arizona Cancer Center Tucson Arizona 85719 —
University of California Los Angeles, Gynecologic Oncology Clinic Los Angeles California 90095 —
University of California, Irvine Medical Center Orange California 92868 —
Sarasota Memorial Hospital Sarasota Florida 34239 —
University of Chicago Medical Center Chicago Illinois 60637 —
WK Physicians Shreveport Louisiana 71103 —
Karmanos Cancer Institute - Detroit Detroit Michigan 48201 —
Billings Clinic Billings Montana 59101 —
Methodist Hospital Omaha Nebraska 68114 —
Women's Cancer Center of Nevada Las Vegas Nevada 89106 —
Center of Hope Reno Nevada 89433 —
University of New Mexico Cancer Center Albuquerque New Mexico 87106 —
Southwest Women's Oncology Albuquerque New Mexico 87109 —
University Hospitals Cleveland Medical Center, Seidman Cancer Center Cleveland Ohio 44106 —
Kettering Health Cancer Center Kettering Ohio 45429 —
Stephenson Cancer Center Oklahoma City Oklahoma 73104 —
Willamette Valley Cancer Institute and Research Center Eugene Oregon 97401 —
Legacy Good Samaritan Medical Center - Legacy Medical Group - Gynecologic Oncology Portland Oregon 97210 —
Asplundh Cancer Pavilion Willow Grove Pennsylvania 19090 —
Sanford Gynecologic Oncology Sioux Falls South Dakota 57104 —
Avera McKennan d/b/a Avera Research Institute Sioux Falls South Dakota 57105 —
Texas Oncology P.A. - Austin Austin Texas 78745 —
Texas Oncology - DFWW Bedford Texas 76022 —
Texas Oncology - Tyler Tyler Texas 75702 —
VCU Massey Cancer Center Richmond Virginia 23291 —
University of Wisconsin Clinical Science Center Madison Wisconsin 53792 —
Froedtert Hospital and the Medical College of Wisconsin Milwaukee Wisconsin 53226 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05329545, 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 Oct 26, 2023 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05329545 live on ClinicalTrials.gov.

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