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Pembrolizumab and trastuzumab in combination with FLOT in the perioperative treatment of HER2-positive, localized esophagogastric adenocarcinoma - A phase II trial of the AIO study group – PHERFLOT

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-513610-34-00
Acronym
PHERFLOT
Enrollment
30
Registered
2024-10-11
Start date
2023-02-13
Completion date
Unknown
Last updated
2025-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HER2-positive, localized esophagogastric adenocarcinoma

Brief summary

disease-free survival and the pathological complete response rate (co-primary)

Detailed description

ORR – percentage of patients with CR or partial response (PR) according to RECIST 1.1., R0 resection - microscopically margin negative resection with no gross or microscopic tumor remains in the areas of the primary tumor and/or sampled regional lymph nodes., OS – time from enrolment to the date of death of any cause Feasibility rate - severe toxicity/withdrawal rate before the last postoperative administration of pembrolizumab/trastuzumab/FLOT has been completed., (Serious) adverse events - recorded and graded according to NCI-CTCAE V5.0. Occurrence of (serious) adverse events at any time during the study. Description by nature (System Organ Class and Preferred Term), severity and causal relationship to drug administration.

Interventions

DRUGOntruzant 420 mg powder for concentrate for solution for infusion
DRUGOxaliplatin onkovis 5 mg/ml Konzentrat zur Herstellung einer Infusionslösung
DRUGKEYTRUDA 25 mg/mL concentrate for solution for infusion

Sponsors

Frankfurter Institut Fuer Klinische Krebsforschung IKF GmbH
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
disease-free survival and the pathological complete response rate (co-primary)

Secondary

MeasureTime frame
ORR – percentage of patients with CR or partial response (PR) according to RECIST 1.1., R0 resection - microscopically margin negative resection with no gross or microscopic tumor remains in the areas of the primary tumor and/or sampled regional lymph nodes., OS – time from enrolment to the date of death of any cause Feasibility rate - severe toxicity/withdrawal rate before the last postoperative administration of pembrolizumab/trastuzumab/FLOT has been completed., (Serious) adverse events - recorded and graded according to NCI-CTCAE V5.0. Occurrence of (serious) adverse events at any time during the study. Description by nature (System Organ Class and Preferred Term), severity and causal relationship to drug administration.

Countries

Germany

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026