New hope for rare leukemia: phase 3 trial of IMM01 combo launches
NCT ID NCT06647862
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This Phase 3 trial tests whether adding IMM01 (Timdarpacept) to standard azacitidine improves outcomes for people newly diagnosed with chronic myelomonocytic leukemia (CMML). About 170 participants will receive either the combination or a placebo plus azacitidine. The main goals are complete remission and overall survival.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- IMM01 (Timdarpacept) combined with azacitidine
- What this could lead to
- If successful, this combination could become a new standard treatment for chronic myelomonocytic leukemia, improving remission rates and overall survival.
- What could go wrong
- This is an early Phase 3 trial with 170 participants, so results may not confirm benefit. The drug combination may cause side effects like infusion reactions or bone marrow suppression.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 170 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Oct 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age ≥ 18 years old, regardless of gender; * Eastern Cooperative Oncology Group (ECOG) performance status score of 0-1. * Life expectancy ≥ 12 weeks; * Patients with CMML diagnosed according to WHO 2016 criteria, including CMML-1 and CMML-2; * White blood cell count ≤ 13×10⁹/L before the first treatment with the study drug (hydroxyurea and leukapheresis are allowed). * Patients must be treatment-naïve to any systemic agents for CMML (e.g., azacitidine, decitabine,chemotherapy\<1 cycle, and the washout period should be more than 28 days, which is acceptable.), allogeneic stem cell transplant for CMML. Note: During screening and study participation, subjects may continue oral corticosteroids for diseases other than CMML (e.g. asthma) at a stable daily dose equivalent to ≤ 10 mg prednisone. In addition, supportive care in the form of blood transfusions or growth factors is not considered prior therapy in this case and is permitted prior to and as needed during the study. Exclusion Criteria: * Previous treatment with anti-CD47 monoclonal antibody/SIRPα fusion protein; * History of allogeneic stem cell transplant and other organ transplants; Patients who have undergone autologous haematopoietic stem cell transplant; * Prior diagnosis of: therapy-related Myelodysplastic syndrome / Myeloproliferative neoplasm(MDS/MPN); MDS evolved from a pre-existing Myelodysplastic syndrome / Myeloproliferative neoplasm (MDS/MPN) ;other MDS/MPN including atypical chronic myeloid leukemia (aCML), juvenile myelomonocytic leukemia (JMML) and unclassifiable MDS/MPN. Patients positive for BCR-ABL fusion genes, PDGFRA, PDGFRB, and FGFR1 rearrangements need to be excluded; * Current or history of central nervous system (CNS) leukemia, extramedullary leukemia(excluding: Enlarged spleen, enlarged liver, enlarged lymph nodes), or myeloid sarcoma; * Diagnosis of other malignant neoplasms within 3 years prior to the first dose. Exceptions: a. Radically treated cervical carcinoma in situ or non-melanoma skin cancer,Surgery-cured prostate cancer and papillary thyroid cancer; b. a second primary cancer that has been curatively treated and has no recurrence within three years;
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
43 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Affiliated Hospital of Guizhou Medical University
RECRUITINGGuiyang, Guizhou, China
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Affiliated Hospital of Hebei University
NOT_YET_RECRUITINGShijiazhuang, Hebei, China
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Affiliated Hospital of Xuzhou Medical University
RECRUITINGXuzhou, Jiangsu, China
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Anhui Provincial Hospital
RECRUITINGHefei, Anhui, China
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Changzhou First People's Hospital
RECRUITINGChangzhou, Jiangsu, China
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China-Japan Friendship Hospita
RECRUITINGBeijing, Beijing Municipality, China
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First Affiliated Hospital of Zhengzhou University
RECRUITINGZhengzhou, Henan, China
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First Hospital of Lanzhou University
NOT_YET_RECRUITINGLanzhou, Gansu, China
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Guangdong Provincial People's Hospital
RECRUITINGGuangzhou, Guangzhou, China
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Harbin First Hospital
NOT_YET_RECRUITINGHarbin, Heilongjiang, China
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Henan Cancer Hospital
RECRUITINGZhengzhou, Henan, China
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Henan Provincial People's Hospital
NOT_YET_RECRUITINGZhengzhou, Henan, China
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Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College;
RECRUITINGTianjin, Tianjin Municipality, 300020, China
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Jiangsu Province Hospital
NOT_YET_RECRUITINGNanjing, Jiangsu, China
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Jiangsu Subei People's Hospital
RECRUITINGYangzhou, Jiangsu, China
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Nanfang Hospital, Southern Medical University
RECRUITINGGuangzhou, Guangdong, China
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Ningbo First Hospital
RECRUITINGNingbo, Zhejiang, China
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Peking University People's Hospital
NOT_YET_RECRUITINGBeijing, China
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Qilu Hospital of Shandong University
RECRUITINGJinan, Shandong, China
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Shaanxi Provincial People's Hospital
RECRUITINGXi’an, Shanxi, China
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Shengjing Hospital of China Medical University
RECRUITINGShenyang, Liaoning, China
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Shenzhen Second People's Hospital
NOT_YET_RECRUITINGShenzhen, Guangdong, China
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Sichuan Provincial People's Hospital
NOT_YET_RECRUITINGChengdu, Sichuan, China
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The First Affiliated Hospital of Chongqing Medical University
NOT_YET_RECRUITINGChongqing, Chongqing Municipality, China
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The First Affiliated Hospital of Guangxi Medical University
RECRUITINGNanning, Gaungxi, China
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The First Affiliated Hospital of Henan University of Science and Technology
NOT_YET_RECRUITINGZhengzhou, Henan, China
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The First Affiliated Hospital of Nanchang University
NOT_YET_RECRUITINGNanchang, Jiangxi, China
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The First Affiliated Hospital of Soochow University
NOT_YET_RECRUITINGSuzhou, Jiangsu, China
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The First Affiliated Hospital of Wenzhou Medical University
NOT_YET_RECRUITINGWenzhou, Zhejiang, China
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The First Affiliated Hospital of Xinjiang Medical University
RECRUITINGÜrümqi, Xinjiang, China
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The First Affiliated Hospital, Zhejiang University School of Medicine
RECRUITINGHangzhou, Zhejiang, 310003, China
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The First Hospital of China Medical University
NOT_YET_RECRUITINGShenyang, Liaoning, China
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The First Hospital of Jilin University
RECRUITINGChangchun, Jilin, China
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The Second Affiliated Hospital of Kunming Medical University
NOT_YET_RECRUITINGKunming, Yunnan, China
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The Second Hospital of Hebei Medical University
NOT_YET_RECRUITINGShijiazhuang, Hebei, China
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Tianjin People's Hospital
RECRUITINGTianjin, China
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Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology
RECRUITINGWuhan, Hubei, China
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Xiangya Hospital Central South University
NOT_YET_RECRUITINGChangsha, Hunan, China
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Xiangyang Central Hospital
RECRUITINGXiangyang, Hubei, China
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Yibin Second People's Hospital
RECRUITINGYibin, Sichuan, China
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Zhongda Hospital affiliated to Southeast University
RECRUITINGNanjing, Jiangsu, China
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Zhongnan Hospital Affiliated to Wuhan University
NOT_YET_RECRUITINGWuhan, Hubei, China
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Zhujiang Hospital of Southern Medical University
NOT_YET_RECRUITINGZhujiang, Guangdong, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New drug combination targets Hard-to-Treat blood cancers
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- Can a Two-Drug combo tame a rare blood cancer?