PRECISE CURATE.AI Pilot Clinical Trial

  • STATUS
    Recruiting
  • End date
    Aug 1, 2023
  • participants needed
    20
  • sponsor
    National University Hospital, Singapore
Updated on 22 March 2022
neutrophil count
capecitabine

Summary

In the current clinical context, drug dosing in oncology is dictated by toxicity. The optimal dosages of drugs in combinatory regimens for solid tumours are not clear, and the typical physician's decision on dose adjustment is a clinical judgement based on the degree of toxicity experienced by the patient. CURATE.AI - a small data, AI-derived technology platform

  • allows personalised guidance of an individual's dose modulations based only on that individual's data. Additionally, CURATE.AI is mechanism-independent, and dynamically adapts to changes experienced by the subject, providing dynamic dose optimisation throughout the duration of the subject's treatment. This study aims to demonstrate the feasibility of applying CURATE.AI in standard of care settings for treatment of solid tumours. An additional objective is to explore tumour markers in serial measurements at weekly frequency of probing, with modulated doses.

Description

Cancer patients are given drug combinations that promote cancer cell elimination. The final drug concentration in the body must fall within a narrow range that maximises cancer elimination while minimizing toxic side effects. The complexity of this task increases significantly with the number of drugs given in combination due to increasing parameters and stochastic behaviour of a biological system. Currently, the established approach is to select maximum tolerated doses (MTD) - the highest drug doses that do not cause unacceptable side effects. Treatment efficacy does not guide dose selection. Combined with limited personalisation, this dosing strategy often results in suboptimal outcomes of the treatment.

CURATE.AI is an AI-derived, mechanism-independent, small data technology platform for personalised, dynamic dosing. CURATE.AI uses a quadratic equation to generate individualised CURATE.AI profile and dosing recommendation based on only that individual's medical data: drug doses and the corresponding response marker (e.g. blood tumour markers). Profile recalibration via CURATE.AI facilitates dynamic dosing and personalised care throughout the treatment duration, aimed at achieving the highest efficacy within pre-specified safe dose ranges.

CURATE.AI is an indication-agnostic platform that has already been applied clinically for a range of indications including in oncology. CURATE.AI can be applied to indications that demonstrate regularly measured dose-dependent relationship between the treatment dose and the treatment response (i.e. biomarker level). Currently, the gold standard of monitoring treatment response in solid tumour is via radiology (using criteria such as RECIST), which is usually done at the end of a few cycles of systemic therapy and therefore not suitable to be used as a CURATE.AI input signal for drug dose adjustment between cycles.. Additionally, haematological neoplasms often cannot be monitored with imaging. Waldenström macroglobulinaemia treatment response is assessed using an adaptation of the response criteria from the Eighth International Workshop on Waldenström macroglobulinaemia (IWWM-8) that includes blood markers. Blood-based tumour markers, e.g. carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA19-9) and immunoglobulin M (IgM) markers, are more suitable to be implemented into CURATE.AI. Apart from these traditional tumour markers, recent advances in genomic sequencing have led to the application of plasma circulating tumour DNA (ctDNA) level as a novel marker of tumour burden. In addition, the serum free light chain (sFLC) has been widely used to assess treatment response for patients with multiple myeloma and other plasma cell dyscrasias, and has shown potential as a novel marker for disease burden in Waldenström macroglobulinaemia. Therefore, serial ctDNA and sFLC measurements, may be an appropriate input for CURATE.AI.

This Pilot Clinical Trial aims to set foundation to investigate the applicability and feasibility of the CURATE.AI platform within the current clinical setting for guided dosing of various systemic therapies commonly used for solid and haematological neoplasms

Individualised CURATE.AI profiles will be generated based on each participant's response to a set of drug doses. Subsequently, the personalised CURATE.AI profile will be used to recommend the efficacy-driven dose. CURATE.AI will operate only within the safety range for each drug prespecified for each participant.

This Pilot Clinical Trial and feasibility study will inform the investigators on the logistical and practical aspects of performing a large-scale randomised study and on the suitability of CURATE.AI for guided dosing of a wider range of chemotherapy regimens. An additional objective is to explore the utility of CEA, CA19-9, Ig M, ctDNA and sFLC as tumour markers in serial measurements at weekly frequency of probing, with modulated doses. ctDNA and sFLC will be also explored as an input for CURATE.AI to generate dose recommendations, however this analysis will not be used to prospectively guide dosing.

Details
Condition Solid Tumor
Treatment Capecitabine, Ibrutinib, XELOX, XELIRI, CURATE.AI
Clinical Study IdentifierNCT04522284
SponsorNational University Hospital, Singapore
Last Modified on22 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Metastatic solid tumours not for curative intent therapy
Planned for treatment with the following chemotherapy regimens: XELOX, XELIRI or single agent capecitabine
Patients must have raised tumour marker above upper limit of local laboratory normal (e.g. CEA, CA19-9)
ii. Specific Exclusion Criteria Nil
d. Specific Recruitment Criteria for Cohort 2: Ibrutinib in Waldenström
macroglobulinaemia
i. Specific Inclusion Criteria
Waldenström macroglobulinaemia (either newly diagnosed or relapsed) as defined by the World Health Organisation 2016 diagnostic criteria
Immunofixation confirms immunoglobulin M paraprotein and total IgM > 2 x ULN

Exclusion Criteria

Systemic anti-lymphoma therapy within 3 weeks of enrolment. Steroids at a dose equivalent of prednisolone 30mg per day are allowed provided this is discontinued 72 hours prior to commencement of drug dosing on trial
Need to withhold rituximab in view of the risk of IgM flare (applies to patients treated with rituximab-based regimens)
Platelet transfusion within 7 days of screening
Granulocyte colony stimulating factor within 7 days of screening
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