CalPeg treatment for newly diagnosed acute lymphoblastic leukemia

A Single-Arm, Open-Label Phase 1b Study of Hyper-CVAD + Calaspargase Pegol in Young Adults With Newly Diagnosed Acute Lymphoblastic Leukemia

Phase 1 Interventional H. Lee Moffitt Cancer Center and Research Institute · NCT05581030

This study is testing if adding a new treatment called calaspargase pegol to standard chemotherapy helps people with newly diagnosed acute lymphoblastic leukemia feel better and have fewer side effects.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment7 (estimated)
Ages18 Years to 50 Years
SexAll
SponsorH. Lee Moffitt Cancer Center and Research Institute Academic / other
Drugs / interventionsradiation, chemotherapy
Locations1 site (Tampa, Florida)
Trial IDNCT05581030 on ClinicalTrials.gov

What this trial studies

This study evaluates the safety and tolerability of calaspargase pegol when combined with standard multi-agent chemotherapy for patients with newly diagnosed acute lymphoblastic leukemia (ALL). Participants will receive the Hyper CVAD protocol alongside calaspargase pegol and rituximab. The study aims to determine how well this combination works and its side effects in treating ALL. It is a Phase 1 interventional trial focusing on patients with specific eligibility criteria.

Who should consider this trial

Good fit: Ideal candidates are individuals with pathologically confirmed Philadelphia negative B- or T-cell acute lymphoblastic leukemia and specific health criteria.

Not a fit: Patients with Philadelphia positive ALL or those who do not meet the eligibility criteria may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could improve outcomes for patients with acute lymphoblastic leukemia by enhancing the effectiveness of chemotherapy.

How similar studies have performed: Other studies have shown promise with similar approaches, but this specific combination is being evaluated for the first time.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pathologically confirmed Philadelphia negative B- or T-cell acute lymphoblastic leukemia, with \>10% peripheral blood or bone marrow lymphoblasts at diagnosis.
* Treatment and full recovery from arm 1A of the Hyper-CVAD regimen.
* Be willing and able to provide written informed consent/assent for the trial.
* Able to adhere to the study visit schedule and other protocol requirements.
* Eastern Cooperative Oncology Group (ECOG) performance status 0-1.
* Cardiac ejection fraction ≥ 50% by echocardiography or MUGA, as measured prior to arm 1A of Hyper-CVAD.
* Serum bilirubin and creatinine \< 1.5x upper limit of normal (ULN). AST and ALT must be \<3x ULN.
* Females of childbearing potential (FCBP) must have a negative serum pregnancy test at screening. A FCBP is considered when a sexually mature female: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 12 consecutive months.
* A FCBP must agree to use of two methods of highly effective non-hormonal contraception, be surgically sterile, or abstain from heterosexual activity for the course of the study through 3 monthsafter the last dose of study treatment.
* Male subjects must agree to use an adequate method of contraception starting with the first dose of study therapy through 30 days after the last dose of study therapy. Men must agree to not donate sperm during and after the study for 3 months

Exclusion Criteria:

* Induction therapy with any regimen other than Hyper-CVAD 1A.
* Diagnosis of L3 type Burkitt's lymphoma
* Clinical evidence of active central nervous system (CNS) leukemia.
* Any major surgery or radiation therapy within four weeks.
* Diagnosis of Down Syndrome.
* Any active infection requiring systemic therapy, including HIV, Hepatitis B, and/or Hepatitis C.
* Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator (including but not limited to unstable angina, pre-existing liver disease, recurrent pancreatitis, uncontrolled diabetes, hypertriglyceridemia, pulmonary hypertension, or severeheart failure (New York Heart Association Class III-IV).
* Recurrent thrombosis, or non-central venous catheter associated thrombosis within 3 months prior to enrollment.
* Severe comorbid conditions for which life expectancy would be \<6 months.
* Patients with active (uncontrolled, metastatic) second malignancies are excluded.
* Is pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the screening visit through 3 months after the last dose of trial treatment.

Where this trial is running

Tampa, Florida

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Acute Lymphoblastic LeukemiaA.L.L.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.