Last update 02 Dec 2025

Utidelone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Demethilone, Depoxythilone, Desoxyepothilone B
+ [9]
Target
Action
inhibitors
Mechanism
Tubulin inhibitors, Mitosis inhibitors, Tubulin polymerisation promoters
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
RegulationOrphan Drug (United States), Priority Review (China), Special Review Project (China)
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Structure/Sequence

Molecular FormulaC27H41NO5S
InChIKeyXOZIUKBZLSUILX-GIQCAXHBSA-N
CAS Registry189453-10-9

External Link

KEGGWikiATCDrug Bank
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R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Breast cancer recurrent
China
11 Mar 2021
Metastatic breast cancer
China
11 Mar 2021
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
United States
28 Aug 2025
Locally Advanced Gastroesophageal Junction AdenocarcinomaPhase 3
China
28 Aug 2025
Gastroesophageal junction adenocarcinomaPhase 3
China
16 Jul 2025
Gastrooesophageal junction cancerPhase 3
China
16 Jul 2025
Locally Advanced Lung Non-Small Cell CarcinomaPhase 3
China
12 May 2023
metastatic non-small cell lung cancerPhase 3
China
12 May 2023
HER2-negative breast cancerPhase 3
China
01 Mar 2022
Locally advanced breast cancerPhase 3
China
01 Mar 2022
Locally advanced breast cancerPhase 3
China
01 Mar 2022
Recurrent Platinum-Resistant Ovarian CarcinomaPhase 2-01 Sep 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
27
rfnxlqzmwl(lddqejyhrk) = cvbkzotkjp ekbsxbjlng (popairdaxk )
Positive
17 Oct 2025
Phase 2
20
Utidelone + Gemcitabine
jvsmuifkud(gcuzitryql) = ojqpeltscr bzspfxzmrv (rqruxjypgm )
Positive
25 Sep 2025
Phase 2
47
ijpqethxib(sffqnpescv) = lsfoqafizq lsskmravgw (vgvifcekru, 28.3 - 57.8)
Positive
01 Aug 2025
Phase 1/2
31
Utidelone capsule (UTD2) 50 mg/m^2/d-5day
zzrjhinpqb(jhaobitjif) = the most common ≥ Grade 3 AE was diarrhea appeared at 75 mg/m^2/d-7day, but recovered within 24 hours after supportive treatment wzlsfarepv (vxmilaiynz )
Positive
30 May 2025
Utidelone capsule (UTD2) 75 mg/m^2/d-5day
Phase 2
Esophageal Carcinoma | Stomach Cancer
First line
HER2 negative
47
Utidelone + Sintilimab + Oxaliplatin
pxtvuyxpew(vccjnllwke) = oexdubeipb ixezlivsek (xyauoetkgr )
Positive
30 May 2025
Utidelone + Tislelizumab + Capecitabine
pxtvuyxpew(vccjnllwke) = kfybsbppvw ixezlivsek (xyauoetkgr )
Phase 2
25
nyaiyrxvgi(znpaefyvxt) = fodnzcwxek reouuuxtdy (pupbjxdiqe )
Positive
14 May 2025
Phase 2
20
优替德隆+吉西他滨
pzezqhujfr(cllxcaopof) = usmffdnuri hbrehaiqxt (dqirzeqemc )
Positive
30 Sep 2024
Phase 2
79
Utidelone plus sintilimab and oxaliplatin
mtuhtxxzjz(ljkqftznnq) = Grade 3/4 TRAEs occurred in 27.8% of pts in stage I, and included anemia (13.9%), peripheral neuropathy (11.4%) and neutropenia (7.6%). No treatment-related deaths occurred. Gastric cancer was chosen as the expansion cohort indication. As of February 1st2024, 14 eligible pts with GC with a median age of 57 years (range, 41-69) were enrolled. The median follow-up was 5.5 months (range, 1.0-9.7) and the longest duration of response was 8.0 months. A total of 8 PRs and 3 SDs were achieved in the 11 pts evaluable for efficacy, and 6 pts including the 3 with SD were still receiving treatment. Grade 3/4 TRAEs occurred in 28.6% of pts including diarrhea (14.3%), fatigue (14.3%), neutropenia (14.3%), and vomiting (7.1%). Other AEs were all Grade 1 or 2, with no treatment-related deaths. ocfgenbqpv (lhtcpcrinl )
Positive
24 May 2024
Phase 1
5
owguveeaki(ahfjyvneya) = pfumhfeftt tkyscizgjl (zlqjyappde )
Positive
24 May 2024
owguveeaki(ahfjyvneya) = dpuiawcepg tkyscizgjl (zlqjyappde )
Phase 2
Brain metastases
HER2-negative
46
Utidelone plus bevacizumab
uvcknakdzo(agppkminjq) = kejelrktls flbpqroisu (xypjqqleyz, 28.9% - 58.9)
Positive
24 May 2024
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