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NCT Number: NCT07549516

A Study on the Tolerability, Safety and Effectiveness of Asciminib in Patients With Philadelphia Chromosome-positive Chronic Myeloid Leukemia in the Chronic Phase in Germany

The aim of this study is to assess the real-world effectiveness of asciminib in Philadelphia chromosome-positive chronic myeloid leukemia in chronic phase (Ph+ CML-CP) patients who were either newly diagnosed or previously treated with one ATP-competitive tyrosine kinase inhibitor (TKI).

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Key information

Age range

18 year–100 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Novartis Investigative Site, Baden-Baden, Baden-Wurttemberg, Germany

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients who provide written informed consent to participate in the study.
  • Adult patients (≥18 years of age) with a confirmed diagnosis of Ph+ CML-CP.
  • Patients who are either newly diagnosed or have received treatment with exactly one prior TKI. Prior TKI treatment is only permitted for patients in the Asciminib Cohort. Patients in the comparator cohorts (imatinib, dasatinib, bosutinib, nilotinib) must be newly diagnosed and must not have received any prior TKI treatment.
  • Patients for whom the treating physician has made a clinical decision to initiate treatment with asciminib or another TKI (imatinib, dasatinib, bosutinib, nilotinib) as part of routine care. The clinical decision for treatment must have been made prior to enrollment. Treatment must not have started more than 14 days before study inclusion, and treatment may also begin after baseline assessment.
  • Patients willing to participate in routine follow-up visits and complete patient-reported outcome questionnaires over the course of the study.

Exclusion criteria

  • Patients with contraindications to their respective chronic myeloid leukemia (CML) treatment as per the applicable Summary of Product Characteristics (SmPC) and relevant national treatment guidelines (e.g. Onkopedia CML), including the following asciminib specific considerations:
  • In first- or second-line treatment: presence of BCR::ABL1 fusion transcripts lacking exon a2 (e.g. e13a3, e14a3).
  • In second-line treatment: known BCR::ABL1 mutations associated with partial or complete resistance to asciminib (e.g. M244V, F359I/V/C;T315I).
  • Patients receiving or planned to receive asciminib or other TKIs outside the approved label (off-label use), including use in unapproved dosing regimens or frequency not covered by the respective SmPC.
  • Patients currently participating in an interventional clinical trial.
  • Patients unable or unwilling to provide written informed consent.
  • Patients who are unable to reliably complete patient-reported outcome questionnaires due to cognitive or language limitations relevant to the study assessments.
  • Patients for whom long-term follow-up is not feasible due to expected relocation or other logistical constraints.

Treatment and study plan

Primary outcomes

  1. Percentage of Patients With Major Molecular Response (MMR) at 12 Months

    Time frame: Month 12

    MMR is defined as a BCR::ABL1 level ≤ 0.1% according to the International Scale (IS).

Secondary outcomes

  1. Percentage of Patients by Clinical Characteristic

    Time frame: Baseline

    Characteristics include, but are not limited to, detection of Philadelphia chromosome or BCR::ABL1 transcript, prior treatment, and Eastern Cooperative Oncology Group (ECOG) performance status.

  2. Percentage of Patients by Reason for TKI Treatment Decision Documented by the Treating Physician

    Time frame: Baseline

  3. Percentage of Patients With Dose Reduction by Reason for Dose Reduction

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  4. Percentage of Patients With Treatment Interruption by Reason for Interruption

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  5. Percentage of Patients Who Discontinued Treatment by Reason for Discontinuation

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  6. Time to Treatment Discontinuation

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  7. Time to Treatment Interruption

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  8. Time to Dose Reduction

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  9. Time to Treatment Discontinuation due to Adverse Events (TTDAE)

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

  10. Percentage of Patients With Early Molecular Response (EMR) at 3 Months

    Time frame: Month 3

    EMR is defined as BCR::ABL1 ≤10% IS.

  11. Percentage of Patients With Molecular Response 2 (MR2)

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    MR2 is defined as BCR::ABL1 ≤1% IS.

  12. Percentage of Patients With MMR

    Time frame: 3, 6, 9, 15, 18, 21, and 24 months

    MMR is defined as BCR::ABL1 ≤0.1% IS.

  13. Percentage of Patients With Deep Molecular Response: MR4.0

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    MR4.0 is defined as BCR::ABL1 ≤0.01% IS.

  14. Percentage of Patients With Deep Molecular Response: MR4.5

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    MR4.5 is defined as BCR::ABL1 ≤0.0032% IS.

  15. Medication Adherence Report Scale (MARS-5) Score

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    The MARS-5 questionnaire is a validated self-report questionnaire developed to assess patient adherence to prescribed medication, focusing on both intentional and unintentional non-adherence. It consists of 5 items, each rated on a 5-point Likert Scale from 0 (always) to 5 (never). The total score ranges from 5 to 25, with higher scores indicating better adherence to treatment.

  16. European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core-30 (EORTC QLQ-C30) Score

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    The EORTC QLQ-C30 contains 30 questions answered by the patient. There are 9 multiple-item scales: 5 scales that assess aspects of functioning (physical, role functioning, cognitive, emotional, and social); 3 symptom scales (fatigue, pain, and nausea and vomiting); and a global health status/Quality of Life (QOL) scale. There are 5 single-item measures assessing additional symptoms (i.e., dyspnea, loss of appetite, insomnia, constipation, and diarrhea) and a single item concerning perceived financial impact of the disease. All but 2 questions have 4-point scales ranging from "Not at all" to "Very much." The 2 questions concerning global health status/QOL have 7-point scales with ratings ranging from "Very poor" to "Excellent." For each of the 14 domains, final scores are transformed such that they range from 0-100, where higher scores indicate improvement.

  17. European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire for CML (EORTC QLQ-CML24) Score

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    The EORTC QLQ-CML24 was designed to supplement the QLQ-C30 - the QLQ-CML24 is not a stand-alone instrument but is to be used in conjunction with the QLQ-C30.

    The EORTC QLQ-CML24 is composed of 4 multi-item scales and 2 single-item scales. The module consists of 24 items assessing symptom burden (13 items), impact on worry/mood (4 items), impact on daily life (3 items), satisfaction with care and information (2 items) body image problems (1 item) and satisfaction with social life (1 item). The items are measured on 4 levels: 1=not at all, 2=a little, 3=quite a bit, 4=very much. For each domain, scores are averaged and transformed to 0 to 100.

    A higher score in symptom burden, impact on worry/mood, impact on daily life, and body image problems domains indicates a worse outcome. A higher score in satisfaction with social life and satisfaction with care and information domains indicates a higher level of satisfaction.

  18. Work Productivity and Activity Impairment - General Health (WPAI-GH) Score

    Time frame: 3, 6, 9, 12, 15, 18, 21, and 24 months

    The WPAI-GH is a patient-reported 6 item questionnaire which addresses absenteeism, presenteeism, overall work productivity loss, and activity impairment for the 7 days prior to the assessment. Work productivity and activity impairment outcomes are presented as impairment percentages ranging from 0 to 100 with a higher percentage indicating greater impairment and less productivity.

Study contacts

Contact information is provided by the study sponsor or research team.

Novartis Pharmaceuticals

CONTACT

[email protected]

+41613241111

Novartis Pharmaceuticals

CONTACT

Sponsors and collaborators

Lead sponsor

Novartis Pharmaceuticals

Industry

Registry information

Official study title

A Non-Interventional Study on the Tolerability, Safety and Effectiveness of Asciminib in Newly Diagnosed and Pre-treated Patients With Philadelphia Chromosome-positive Chronic Myeloid Leukemia in the Chronic Phase in Germany - the ASC2ADHERE Study

Acronym: ASC2ADHERE

Important dates

Study start
2026
Primary completion
2030
Study completion
2030
First posted
Apr 24, 2026
Registry last updated
Jul 27, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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