A Phase 1/2 Study to Evaluate the Safety and Efficacy of Dibotatug (DR-01) in Adults With Bone Marrow Failure Syndromes

Trial statusNot yet recruiting
Trial phasePhase 1, Phase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorDren Bio

About this trial

This is a multicenter, open-label, Phase 1/2 basket study to evaluate the safety and efficacy of Dibotatug (DR-01) in adults with Bone Marrow Failure syndromes.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age ≥ 18 years old

Women of childbearing potential and males must agree to use 2 methods of effective contraception, with at least 1 method being highly effective.

Participants with SAA must have a current or prior diagnosis of SAA or very SAA.

Received one ≥ 3-month course of ATG and/or CSA-based IST.

Disqualifiers

Diagnosis of Fanconi anemia, dyskeratosis congenita, or other congenital BMF syndrome.

Prior HCT.

Planning to receive HCT as treatment for AA.

Evidence of a clonal disorder with poor risk cytogenetics per Revised International Prognostic Scoring System (IPSS-R) for MDS.

Trial design

Design model

Single group

Treatments tested in this trial

  • Dibotatug (DR-01)

    Drug

    Dibotatug (DR-01) administered by IV infusion

Treatment groups

60 Participants
are divided into 1 treatment group
Group A: Dibotatug (DR-01)Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Overall Response Rate of Dibotatug (defined as proportion of subjects with a Complete Response or Partial Response) [Efficacy]

Overall Response Rate (ORR), defined as the proportion of subjects with Complete Response (CR) or Partial Response (PR) based on disease-specific response criteria.

Time frame
By 6 months
2

Incidence and severity of adverse events as assessed by CTCAE v6.0 [Safety and Tolerability]

Incidence and severity of adverse events as assessed by CTCAE v6.0.

Time frame
52 weeks

Secondary outcomes

Other outcomes

Sponsors and contacts

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