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Long-Term Follow-Up Study of Patients Receiving ATL001

An Open-Label, Multi-Centre Phase II Study Evaluating the Long-Term Safety and Clinical Activity of Neoantigen Reactive T Cells in Patients Who Have Previously Received ATL001 in a Clinical Trial

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04785365
Enrollment
1
Registered
2021-03-05
Start date
2022-06-01
Completion date
2023-10-18
Last updated
2023-11-21

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

Conditions

Advanced Non Small Cell Lung Cancer, Melanoma

Brief summary

This is an Open-Label, Multi-Centre Phase II study to evaluate the long-term safety and clinical activity of ATL001, previously administered intravenously to patients in Study ATX-NS-001 (NCT04032847) or Study ATX-ME-001 (NCT03997474).

Detailed description

Up to 90 patients with advanced non-small cell lung cancer ( NSCLC) or metastatic or recurrent melanoma will be enrolled after either: completing 2 years of follow-up visits in study ATX-NS-001 or study ATX-ME-001; or voluntary withdrawal from these studies prior to the completion of the 2 year of follow-up period. Each patient will be followed up for a minimum period of 5 years, or until death if sooner, in this Long-Term Follow Up Protocol. For patients who are still alive after 5 years of follow-up, survival data will continue to be collected until the end of the study, which will occur when the last patient has completed 5 years of follow-up withdraws from study or has died.

Interventions

OTHERBiological: ATL001

No investigational product will be administered

Sponsors

Achilles Therapeutics UK Limited
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Patients must have given written informed consent to participate in the study. 2. Patients must have received ATL001 in a previous Clinical Trial. 3. Patients must be considered, in the opinion of the Investigator, capable of complying with the protocol requirements.

Exclusion criteria

There are no

Design outcomes

Primary

MeasureTime frameDescription
Assessment of adverse events to evaluate long-term Safety and Tolerability of ATL001Every 4 months to 60 months; then every 6 months until death or until the end of the study, whichever came first, assessed up to 84 months.Evaluate the frequency and severity of adverse events related or possibly related to ATL001
Assessment of autoimmune adverse eventsEvery 4 months to 60 months; then every 6 months until death or until the end of the study, whichever came first, assessed up to 84 months.Evaluate the frequency and severity of autoimmune adverse events
Assessment of new malignanciesEvery 4 months to 60 months; then every 6 months until death or until the end of the study, whichever came first, assessed up to 84 months.Evaluate the frequency and severity of new malignancies
Assessment of the use of medications to manage ATL001-related toxicitiesEvery 4 months to 60 months; then every 6 months until death or until the end of the study, whichever came first, assessed up to 84 months.Evaluate the use of medications to manage ATL001-related toxicities

Secondary

MeasureTime frameDescription
Assessment for Overall Survival (OS)6 months until death or until the end of the study, whichever came first, assessed up to 84 monthsEvaluate the endpoint of OS by the Investigator
Disease Assessment for Duration of Response ( DoR)Maximum 60 months.Evaluate the endpoint of DoR as assessed by the Investigator and Independent Central Review (ICR), per RECIST v1.1
Disease Assessment for Progression Free Survival (PFS)Maximum 60 months.Evaluate the endpoint of PFS as assessed by the Investigator and ICR, per RECIST v1.1
Disease Assessment for Time to First Subsequent anti-cancer Therapy (TFST)Maximum 60 months.Evaluate the endpoint of TFST
Assessment for cancer-related medical resourcesMaximum 60 months.Evaluate the endpoint of cancer-related medical resourcesATL001 therapy

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026