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DT2216

Phase 1

Ovarian Cancer | Small molecule | Oncology |United Therapeutics Corporation|Last Updated: Apr 21, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment30
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06964009DT2216 + Paclitaxel in Platinum-Resistant Ovarian CancerPHASE1 RECRUITING 30Sep 22, 2025Dec 30, 2027Apr 21, 20263 United States
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Study Endpoints
Primary Endpoints
DT2216 Maximum Tolerated Dose (MTD)
Assessed on Day 1, 4, 8, 11, 15, 18, 22 and 25 on cycle 1 and up to start of cycle 2; cycle 1 duration=28 days plus 14 days maximum until start of cycle 2, for a maximum time frame of 42 days.

The DT2216 MTD in combination with paclitaxel is determined by the number of participants who experience dose-limiting toxicity (DLT) during cycle 1 and up to start of cycle 2. Dose (de-)escalation rules and the related selection of the MTD are based on the Bayesian Optimal Interval Design (BOIN).

Number of Participants Experiencing a Dose-Limiting Toxicity (DLT)
Assessed on Day 1, 4, 8, 11, 15, 18, 22 and 25 on cycle 1 and up to start of cycle 2; cycle 1 duration=28 days plus 14 days maximum until start of cycle 2, for a maximum time frame of 42 days.

A DLT is defined as including grade 3 or higher non-hematologic toxicity with some exclusions and specific hematologic toxicities, both not clearly due to the underlying disease or extraneous causes, along with any death, treatment delays\>14 days and inability to receive at least 75% of assigned doses of each agent.

Secondary Endpoints
Grade 4 Treatment-Related Toxicity Rate
Assessed on Days 1, 4, 8, 11, 15, 18, 22 and 25 of each cycle on treatment (cycle duration=28 day). Treatment duration is not fixed and thus observation time is variable.
Overall Response Rate (ORR)
Assessed radiologically every 8 weeks on treatment up to 24 cycles (each cycle is 28 days), then every 16 weeks on treatment thereafter; treatment duration is not fixed, and thus observation time is variable.
Median Progression Free Survival (PFS)
Assessed radiologically every 8 weeks on treatment up to 24 cycles (each cycle is 28 days), then every 16 weeks on treatment thereafter, or in follow-up (the earlier of 30-days post-treatment discontinuation or death).
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
DT2216 + PaclitaxelEXPERIMENTALDose de-escalation and escalation for the DT2216 and Pacllitaxel combination will be guided using a Bayesian Optimal Interval (BOIN) design. Enrolled participants will complete: * Baseline visit * Imaging every 2 cycles * ECG Days 1, 8, and 15 of Cycle 1 and Day 1 of Cycle 2. * Research blood sample Days 1, 2, 4, 8, 15, 16, 18 and 22 of Cycle 1 and Day 1 of every cycle. * Cycle 1 (28 day cycles): * Days 1, 4, 8, 11, 15, 18, 22, and 25: Predetermined dose of DT2216 1x daily * Days 1, 8, 15: Predetermined dose of Paclitaxel 1x daily * Cycle 2 through end of treatment (28 day cycles): * Days 1, 4, 8, 11, 15, 18, 22, 25: Predetermined dose of DT2216 1x daily * Days 1, 8, 15: Predetermined dose of Paclitaxel 1x daily * End of treatment visit with imaging * 30 day follow up visit
Interventions
NameTypeDescription
DT2216DRUGA proteolysis-targeting chimera (PROTAC) degrader, single-use vial, via intravenous (into the vein) infusion.
PaclitaxelDRUGAn antimicrotubule agent, multi-dose vial, via intravenous (into the vein) infusion per institutional standard.
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Eligibility Criteria
Age Range18 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * Participants must have histologically confirmed relapsed or refractory ovarian cancer (including epithelial ovarian cancer, fallopian tube carcinoma, or primary peritoneal carcinoma). * Participants must have measurable disease, defined as at least one lesion that can be accur...

Countries:United States
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Competitive Landscape -Ovarian Cancer 180 trials
CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK5PHASE3Pembrolizumab, Paclitaxel, Bevacizumab, Docetaxel, Sacituzumab tirumotecan
AstraZeneca PLCAZN19PHASE3Olaparib, Bevacizumab, Durvalumab, Carboplatin+Paclitaxel, AZD5335
Eli Lilly and CompanyLLY8PHASE3Sofetabart Mipitecan, Paclitaxel, Topotecan, Gemcitabine, Pegylated liposomal doxorubicin
AbbVie, Inc.ABBV13PHASE3Mirvetuximab soravtansine plus Bevacizumab, Bevacizumab, Mirvetuximab soravtansine, Carboplatin, Mirvetuximab Soravtansine
GSK plc Sponsored ADRGSK4PHASE3Niraparib, Dostarlimab, Mocertatug rezetecan, Paclitaxel, Pegylated liposomal doxorubicin
Bristol-Myers Squibb CompanyBMY4PHASE3Rucaparib, Nivolumab, BMS-986340, BMS-936558-01, Docetaxel
Pfizer Inc.PFE5PHASE3Avelumab, Lorlatanib, Talazoparib, Pemetrexed, Axitinib
Genmab A/S Sponsored ADRGMAB5PHASE3Rina-S, Paclitaxel, Topotecan, Pegylated liposomal doxorubicin, Gemcitabine
Corcept Therapeutics Incorporated.CORT2PHASE3Nab-paclitaxel /m^2, Relacorilant once daily, Bevacizumab /kg
Verastem, Inc.VSTM4PHASE3avutometinib, Defactinib, Pegylated liposomal doxorubicin, Paclitaxel, Letrozole
Imunon, Inc.IMNN3PHASE3IMNN-001, Paclitaxel, Carboplatin, Olaparib, Niraparib
Zentalis Pharmaceuticals, Inc.ZNTL3PHASE3Azenosertib, azenosertib, Carboplatin, Pegylated liposomal doxorubicin, Paclitaxel
Incyte CorporationINCY2PHASE3INCB123667
Genelux Corp.GNLX1PHASE3olvimulogene nanivacirepvec, Platinum chemotherapy: carboplatin or cisplatin, Non-platinum chemotherapy: Physician's Choice of gemcitabine, taxane or pegylated liposomal doxorubicin, Bevacizumab
Regeneron Pharmaceuticals, Inc.REGN4PHASE2Ubamatamab, Bevacizumab, Cemiplimab, Fianlimab, PLD
Novartis AG Sponsored ADRNVS4PHASE2Dabrafenib, Trametinib, KFA115, pembrolizumab, Tulmimetostat
BeOne Medicines Ltd. Sponsored ADRONC2PHASE3Pamiparib, BG-68501, Fulvestrant, BGB-43395
IQVIA Holdings IncIQV1PHASE3Oregovomab, Paclitaxel, Carboplatin
Exelixis, Inc.EXEL2PHASE2Cabozantinib, cabozantinib, atezolizumab
Xencor, Inc.XNCR3PHASE2vudalimab, XmAb541, XmAb808
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT06964009studyFirstPostDate: changed