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Study to Assess Safety of HDP-101 in Patients With Relapsed Refractory Multiple Myeloma

Cancer Type
Multiple Myeloma
Trial Phase
Phase I
Phase II
18 Years and older, Male and Female
Study Type
Protocol IDs
HDP-101-01 (primary)
Study Sponsor
Heidelberg Pharma AG


This study will assess the safety, tolerability, pharmacokinetics (PK) and the therapeutic
potential of HDP-101 in patients with plasma cell disorders including multiple myeloma.


The study will consists of two parts: a Part 1 dose escalation phase and a Part 2a expansion
phase for safety, tolerability, PK, PD, and clinical activity testing. The study will enroll
subjects with relapsed/refractory MM or other plasma cell disorders expressing BCMA. An
adaptive 2-parameter Bayesian logistic regression model (BLRM) for dose-escalation with
overdose control will be used in the dose-escalation phase for determination of the MTD or
the RP2D. Dose-expansion phase of the study aims to collect preliminary evidence of antitumor
activity and to confirm the safety of the HDP-101 as a monotherapy.


  1. Male or female aged =18 years.
  2. Life expectancy >12 weeks.
  3. Eastern Cooperative Oncology Group Performance Status (PS) of 0 to 2.
  4. A confirmed diagnosis of active MM according to the diagnostic criteria established by the International Myeloma Working Group (IMWG).
  5. Must have undergone SCT or is considered transplant ineligible.
  6. Must have undergone prior treatments with antimyeloma therapy which must have included an immunomodulatory drug, proteasome inhibitor, and anti-CD38 treatment, alone or in combination. In addition, the patient should either refractory or intolerant to any established standard of care therapy providing a meaningful clinical benefit for the patient assessed by the Investigator.
  7. Measurable disease as per IMWG criteria.
  8. Adequate organ system function as defined in protocol.
**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.
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Advancing Cancer Care through Partnerships and Innovation

Georgia CORE is a statewide nonprofit that leverages partnerships and innovation to attract more clinical trials, increase research, and promote education and early detection to improve cancer care for Georgians in rural, urban, and suburban communities across the state.