A Study to Investigate Safety and Tolerability of TransCon IL-2 β/γ Alone or in Combination With Pembrolizumab and/or TransCon TLR7/8 Agonist or Other Anticancer Therapies in Adult Participants With Locally Advanced or Metastatic Solid Tumor Malignancies
NCT ID: NCT05081609
Last Updated: 2025-07-08
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE1/PHASE2
345 participants
INTERVENTIONAL
2022-01-11
2029-08-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
SEQUENTIAL
TREATMENT
NONE
Study Groups
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Part 1 Monotherapy Dose Escalation: TransCon IL-2 β/γ
TransCon IL-2 β/γ in escalating doses to evaluate safety/tolerability and to determine the MTD and RP2D
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Part 2 Combination Dose Escalation: TransCon IL-2 β/γ with Pembrolizumab
TransCon IL-2 β/γ with Pembrolizumab in escalating doses to evaluate safety/tolerability and determine the MTD and RP2D
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ with SOC Chemo
TransCon IL-2 β/γ using the RP2D with SOC Chemotherapy to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Chemotherapy drug
SOC chemotherapy will be administered as an intravenous (IV) infusion
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ with TransCon TLR7/8 Agonist
TransCon IL-2 β/γ with TransCon TLR7/8 Agonist using the RP2D to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
TransCon TLR7/8 Agonist
TransCon TLR7/8 Agonist will be administered as an IT (Intratumoral) injection
Part 3 Monotherapy Dose Expansion: TransCon IL-2 β/γ followed by surgery
(Optional Arm): TransCon IL-2 β/γ using the RP2D followed by surgery to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Surgery
Surgery will take place 4-6 weeks after last dose of study treatment.
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ with Pembrolizumab followed by surgery
TransCon IL-2 β/γ using the RP2D with Pembrolizumab followed by surgery to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Surgery
Surgery will take place 4-6 weeks after last dose of study treatment.
Part 3 Combination Dose Expansion:TransCon IL-2 β/γ with TransCon TLR7/8 Agonist followed by surgery
TransCon IL-2 β/γ with TransCon TLR7/8 Agonist using the RP2D followed by surgery to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
TransCon TLR7/8 Agonist
TransCon TLR7/8 Agonist will be administered as an IT (Intratumoral) injection
Surgery
Surgery will take place 4-6 weeks after last dose of study treatment.
Part 3 Combination Dose Expansion:TransCon IL-2 β/γ + Pembrolizumab + SOC Chemo followed by surgery
TransCon IL-2 β/γ using the RP2D with Pembrolizumab and SOC Chemotherapy followed by surgery to evaluate safety/tolerability and anti-tumor activity of the combination
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Chemotherapy drug
SOC chemotherapy will be administered as an intravenous (IV) infusion
Surgery
Surgery will take place 4-6 weeks after last dose of study treatment.
Part 3 Combination Dose Expansion
TransCon IL-2 β/γ + Pembrolizumab TransCon IL-2 β/γ using the RP2D with Pembrolizumab
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ monotherapy
TransCon IL-2 β/γ monotherapy
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ + trastuzumab
TransCon IL-2 β/γ + trastuzumab
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Trastuzumab
Trastuzumab will be administered as an intravenous (IV) infusion
Part 3 Combination Dose Expansion: TransCon IL-2 β/γ + trastuzumab emtansine (T-DM1)
TransCon IL-2 β/γ + trastuzumab emtansine (T-DM1)
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Trastuzumab emtansine (T-DM1)
Trastuzumab emtansine (T-DM1) will be administered as an intravenous (IV) infusion
Part 4 Combination Dose Optimization
TransCon IL-2 β/γ + Pembrolizumab TransCon IL-2 β/γ using the RP2D in titrating doses and/or different dose frequencies with Pembrolizumab
TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Interventions
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TransCon IL-2 β/γ
TransCon IL-2 β/γ will be administered as an intravenous (IV) infusion
Pembrolizumab
Pembrolizumab will be administered as an intravenous (IV) infusion
Chemotherapy drug
SOC chemotherapy will be administered as an intravenous (IV) infusion
TransCon TLR7/8 Agonist
TransCon TLR7/8 Agonist will be administered as an IT (Intratumoral) injection
Surgery
Surgery will take place 4-6 weeks after last dose of study treatment.
Trastuzumab
Trastuzumab will be administered as an intravenous (IV) infusion
Trastuzumab emtansine (T-DM1)
Trastuzumab emtansine (T-DM1) will be administered as an intravenous (IV) infusion
Eligibility Criteria
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Inclusion Criteria
* Demonstrated adequate organ function at screening
* Life expectancy \>12 weeks as determined by the Investigator
* Female and male participants of childbearing potential who are sexually active must agree to use highly effective methods of contraception
* Participants must have histologically confirmed locally advanced, recurrent, or metastatic solid tumor malignancies that cannot be treated with curative intent (surgery or radiotherapy), with the exception of the neoadjuvant cohorts
* Part 1 and Part 2: Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2
* Part 3 and Part 4: Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
* Participants who have undergone treatment with anti-PD-1, anti-PD-L1, or anti-cytotoxic T-lymphocyte-associated protein (CTLA-4) antibody must have a washout of at least 4 weeks from the last dose and evidence of disease progression per investigator assessment before Cycle 1 Day 1 (C1D1) with the exception of the neoadjuvant cohorts
* Participants who have previously received an immunotherapy prior to C1D1 must have any immune-related toxicities resolved to ≤Grade 1 or baseline (prior to the immunotherapy) to be eligible, with the exception of participants on well controlled physiologic endocrine replacement
* Part 3: Neoadjuvant cohorts: participants must have completely resectable disease
Exclusion Criteria
* Active autoimmune diseases, regardless of need for immunosuppressive treatment, with the exception of participants well controlled on physiologic endocrine replacement
* Any uncontrolled bacterial, fungal, viral, or other infection
* Significant cardiac disease
* A marked clinically significant baseline prolongation of QT/QTc interval (e.g., repeated demonstration of a QTc interval \>480 ms) \[CTCAE Grade 1\]) using Fridericia's QT correction formula
* Positive for human immunodeficiency virus (HIV) or has known active hepatitis B or C infection
* Known hypersensitivity to any study treatment(s) used in the specific study part/cohort
* Participants who have been previously treated with IL-2 or IL-2 variants (all participants)
* Systemic immunosuppressive treatment with the exception for patients on corticosteroid taper (for example, for chronic obstructive pulmonary disease exacerbation).
* Vaccination with live, attenuated vaccines within 4 weeks of C1D1
* Treatment with any other anti-cancer systemic treatment (approved or investigational) or radiation therapy within 4 weeks of C1D1
* Part 3: Other active malignancies within the last 2 years
* Women who are breastfeeding or have a positive serum pregnancy test during screening
18 Years
ALL
No
Sponsors
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Ascendis Pharma Oncology Division A/S
INDUSTRY
Responsible Party
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Principal Investigators
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Davis Torrejon-Castro
Role: STUDY_DIRECTOR
Medical Monitor
Locations
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Ascendis Pharma Investigational Site
Los Angeles, California, United States
Ascendis Pharma Investigational Site
Los Angeles, California, United States
Ascendis Pharma Investigational Site
Springfield, Illinois, United States
Ascendis Pharma Investigational Site
Louisville, Kentucky, United States
Ascendis Pharma Investigational Site
Boston, Massachusetts, United States
Ascendis Pharma Investigational Site
Morristown, New Jersey, United States
Ascendis Pharma Investigational Site
New York, New York, United States
Ascendis Pharma Investigational Site
Huntersville, North Carolina, United States
Ascendis Pharma Investigational Site
Canton, Ohio, United States
Ascendis Pharma Investigational Site
Cincinnati, Ohio, United States
Ascendis Pharma Investigational Site
Oklahoma City, Oklahoma, United States
Ascendis Pharma Investigational Site
Pittsburgh, Pennsylvania, United States
Ascendis Pharma Investigational Site
Nashville, Tennessee, United States
Ascendis Pharma Investigational Site
Richmond, Virginia, United States
Ascendis Pharma Investigational Site
Adelaide, , Australia
Ascendis Pharma Investigational Site
Adelaide, , Australia
Ascendis Pharma Investigational Site
Brisbane, , Australia
Ascendis Pharma Investigational Site
Frankston, , Australia
Ascendis Pharma Investigational Site
Southport, , Australia
Ascendis Pharma Investigational Site
Toorak Gardens, , Australia
Ascendis Pharma Investigational Site
Waratah, , Australia
Ascendis Pharma Investigational Site
Wilrijk, , Belgium
Ascendis Pharma Investigational Site
Montreal, , Canada
Ascendis Pharma Investigational Site
Montreal, , Canada
Ascendis Pharma Investigational Site
Toronto, , Canada
Ascendis Pharma Investigational Site
Toronto, , Canada
Ascendis Pharma Investigational Site
Cuneo, , Italy
Ascendis Pharma Investigational Site
Florence, , Italy
Ascendis Pharma Investigational Site
Grosseto, , Italy
Ascendis Pharma Investigational Site
Lido di Camaiore, , Italy
Ascendis Pharma Investigational Site
Livorno, , Italy
Ascendis Pharma Investigational Site
Meldola, , Italy
Ascendis Pharma Investigational Site
Milan, , Italy
Ascendis Pharma Investigational Site
Milan, , Italy
Ascendis Pharma Investigational Site
Modena, , Italy
Ascendis Pharma Investigational Site
Roma, , Italy
Ascendis Pharma Investigational Site
Torino, , Italy
Ascendis Pharma Investigational Site
Turin, , Italy
Ascendis Pharma Investigational Site
Verona, , Italy
Ascendis Pharma Investigational Site
Krakow, , Poland
Ascendis Pharma Investigational Site
Poznan, , Poland
Ascendis Pharma Investigational Site
Warsaw, , Poland
Ascendis Pharma Investigational Site
Singapore, , Singapore
Ascendis Pharma Investigational Site
Singapore, , Singapore
Ascendis Pharma Investigational Site
Seoul, Songpa-gu, South Korea
Ascendis Pharma Investigational Site
Seongnam-si, , South Korea
Ascendis Pharma Investigational Site
Seoul, , South Korea
Ascendis Pharma Investigational Site
Seoul, , South Korea
Ascendis Pharma Investigational Site
Seoul, , South Korea
Ascendis Pharma Investigational Site
Seoul, , South Korea
Ascendis Pharma Investigational Site
Barcelona, , Spain
Ascendis Pharma Investigational Site
Barcelona, , Spain
Ascendis Pharma Investigational Site
Barcelona, , Spain
Ascendis Pharma Investigational Site
L'Hospitalet de Llobregat, , Spain
Ascendis Pharma Investigational Site
Madrid, , Spain
Ascendis Pharma Investigational Site
Madrid, , Spain
Ascendis Pharma Investigational Site
Madrid, , Spain
Ascendis Pharma Investigational Site
Madrid, , Spain
Ascendis Pharma Investigational Site
Madrid, , Spain
Ascendis Pharma Investigational Site
Málaga, , Spain
Ascendis Pharma Investigational Site
Murcia, , Spain
Ascendis Pharma Investigational Site
Oviedo, , Spain
Ascendis Pharma Investigational Site
Pamplona, , Spain
Ascendis Pharma Investigational Site
Seville, , Spain
Ascendis Pharma Investigational Site
Seville, , Spain
Ascendis Pharma Investigational Site
Valencia, , Spain
Ascendis Pharma Investigational Site
Valencia, , Spain
Ascendis Pharma Investigational Site
Taipei, , Taiwan
Ascendis Pharma Investigational Site
Taipei, , Taiwan
Countries
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Central Contacts
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References
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Rosen DB, Kvarnhammar AM, Laufer B, Knappe T, Karlsson JJ, Hong E, Lee YC, Thakar D, Zuniga LA, Bang K, Sabharwal SS, Uppal K, Olling JD, Kjaergaard K, Kurpiers T, Schnabel M, Reich D, Glock P, Zettler J, Krusch M, Bernhard A, Heinig S, Konjik V, Wegge T, Hehn Y, Killian S, Viet L, Runz J, Faltinger F, Tabrizi M, Abel KL, Breinholt VM, Singel SM, Sprogoe K, Punnonen J. TransCon IL-2 beta/gamma: a novel long-acting prodrug with sustained release of an IL-2Rbeta/gamma-selective IL-2 variant with improved pharmacokinetics and potent activation of cytotoxic immune cells for the treatment of cancer. J Immunother Cancer. 2022 Jul;10(7):e004991. doi: 10.1136/jitc-2022-004991.
Other Identifiers
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ASND0029
Identifier Type: -
Identifier Source: org_study_id
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