Clinical trial Recruiting at 7 sites Phase 1 Interventional Ages 18 and up

Evaluating TGW101 for advanced solid tumors

Official title: Phase 1, First-in-Human, Open-Label Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of TGW101 in Patients With Advanced Solid Tumors

Run by Tagworks Pharmaceuticals BV · NCT06959706 · Data updated 2026-11-12

This study is testing a new drug called TGW101 to see if it is safe and effective for people with advanced solid tumors.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment90 (estimated)
SponsorTagworks Pharmaceuticals BV
Industry-sponsored
Drugs / interventionschemotherapy, radiation
Locations7 sites (Scottsdale, Arizona and 6 other locations)
StatusRecruiting
StartedMay 7, 2025
Main results expectedOctober 2027
Study endsDecember 2027
Registry record updatedNovember 2, 2026
Trial IDNCT06959706 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with histologically confirmed advanced solid tumors that have shown disease progression after previous treatments.

Probably not a fit

Patients with early-stage tumors or those who have not progressed after standard treatments may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to assess the safety and tolerability of TGW101, an antibody-drug conjugate, in patients with advanced solid tumors. It will also determine the recommended dosing regimen for future studies and evaluate the pharmacokinetics and preliminary anti-tumor activity of the treatment. Participants will be closely monitored for any adverse effects and the effectiveness of the drug in halting disease progression.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced solid tumors.

How similar studies have gone: Other studies involving antibody-drug conjugates have shown promising results, indicating potential for success with this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Written informed consent prior to any study procedures.
2. Males or females 18 years or older.
3. Histologically or cytologically confirmed diagnosis of a solid tumor malignancy listed below and have evidence of disease progression on or after (within 3 months of discontinuation) the most recent treatment regimen:

   1. Endometrial cancer.
   2. Esophageal, adenocarcinoma only.
   3. Gastric/gastroesophageal junction (GEJ).
   4. Non-small cell lung cancer, adenocarcinoma only.
   5. Ovarian.
4. Refractory disease, intolerance to, or documented refusal of available standard therapy(ies) known to provide clinical benefit for the participant's solid tumor malignancy per Investigator judgment.
5. At least 1 measurable lesion per RECIST v1.1 except for participants with bone-only metastatic disease.
6. Biopsy pretreatment; if not possible, archival tissue block (preferred) or unstained formalin-fixed paraffin-embedded slides required.
7. Eastern Cooperative Oncology Group Performance Status 0-1.
8. Life expectancy of \> 3 months in the opinion of the Investigator.
9. Adequate hepatic, hematologic, and renal function.

Exclusion Criteria:

1. Active second malignancy or history of another malignancy within the last 2 years, with the exception of: treated non-melanoma skin cancers; treated carcinoma in situ (e.g., breast and cervix); controlled superficial carcinoma of the urinary bladder; T1a or b carcinoma of the prostate; papillary thyroid carcinoma Stage I treated surgically for cure.
2. Known symptomatic brain metastases.
3. Significant cardiovascular disease within 6 months prior to starting study drug.
4. Evidence of an active systemic bacterial, fungal, or viral infection requiring treatment.
5. Grade ≥ 2 peripheral neuropathy.
6. Major surgery within 4 weeks prior to starting study drug.
7. Prior solid organ or bone marrow progenitor cell transplantation.
8. Prior high-dose chemotherapy requiring stem cell rescue.
9. Anticancer therapy within 28 days or within 5 half-lives (whichever is shorter) prior to starting study drug.
10. Palliative radiation therapy within 14 days prior to starting study drug.
11. Live vaccine within 28 days prior to starting study drug.
12. Pregnant or a breastfeeding postpartum female.

Where it's running

  • Honor Health
    Scottsdale, Arizona, United States
    Recruiting
  • Massachusetts General Hospital
    Boston, Massachusetts, United States
    Recruiting
  • Fox Chase Cancer Center
    Philadelphia, Pennsylvania, United States
    Recruiting
  • University of Texas MD Anderson Cancer Center
    Houston, Texas, United States
    Recruiting
  • NEXT Dallas
    Irving, Texas, United States
    Recruiting
  • NEXT San Antonio
    San Antonio, Texas, United States
    Recruiting
Show 1 more location
  • NEXT Virginia
    Fairfax, Virginia, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • AK157D1 injection for advanced solid tumors

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  • ABBV-253 in adults with advanced solid tumors

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  • MK-2010 alone or with other treatments for advanced solid tumors

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.