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OncoMatch/Clinical Trials/NCT07122414

A Study of Intravesical FL115 Alone or in Combination With BCG in Non-Muscle Invasive Bladder Cancer

Is NCT07122414 recruiting? Yes, currently enrolling (May 2026). This Phase 1/2 trial studies multiple treatments including FL115 and FL115+BCG for non-muscle invasive bladder cancer (nmibc).

Phase 1/2RecruitingSuzhou Forlong Biotechnology Co., LtdNCT07122414Data as of May 2026

Treatment: FL115 · FL115+BCGThe study is to evaluate the safety and tolerability of intravesical FL115 alone or in combination with BCG in the patients with NMIBC, and to determine the RP2D of FL115 in combination with BCG. To evaluate the preliminary efficacy of FL115 alone or in combination with BCG in the treatment of NMIBC. The study consists of three parts: FL115 monotherapy dose escalation (Phase Ia), FL115 combined with BCG dose escalation (Phase Ib), and FL115 combined with BCG cohort expansion (Phase II). Each subject will receive FL115 alone or in combination with intravesical BCG, administered over three treatment periods: induction, enhanced induction/maintenance 1, and maintenance 2.

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Extracted eligibility criteria

Cancer type

Urothelial Carcinoma

Disease stage

Required: Stage CIS

Grade: high-grade

BCG-unresponsive CIS (with or without Ta or T1 disease) or BCG-unresponsive high-grade Ta or T1 disease; muscle-invasive (T2-T4), locally advanced (T3/T4, any N), or metastatic bladder cancer excluded

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Must have received: BCG — BCG-unresponsive

Histologically confirmed presence of BCG-unresponsive CIS (with or without Ta or T1 disease) or histologically confirmed presence of BCG-unresponsive high-grade Ta or T1 disease

Cannot have received: IL-2 or IL-15 agonist therapy (rhIL-15 (NCI), ALT-803 (FL-115), NKTR-214 (Nektar))

Have previously received IL-2 or IL-15 agonist therapy, including but not limited to rhIL-15 (NCI), ALT-803 (FL-115), and NKTR-214 (Nektar)

Cannot have received: extensive pelvic radiotherapy

Received extensive pelvic radiotherapy (involving >30% of bone marrow) within 2 years prior to the first dose

Cannot have received: systemic therapy for NMIBC

Received systemic therapy aimed at treating NMIBC (e.g., radiotherapy, chemotherapy, immunosuppressive therapy) within 4 weeks prior to the first dose

Cannot have received: intravesical instillation for NMIBC

Received intravesical instillation aimed at treating NMIBC within 4 weeks prior to the first dose, including intravesical local treatment delivered transurethrally

Cannot have received: surgical procedures targeting bladder lesions

Underwent TURBT or other surgical procedures targeting bladder lesions within 2 weeks prior to the first dose

Cannot have received: systemic immunosuppressive therapy

Exception: ≤10 mg/day prednisone equivalent, local/inhaled/intranasal steroids, adrenal replacement ≤7.5 mg/day prednisone, or single-dose prophylaxis for contrast allergy

Systemic immunosuppressive therapy within 4 weeks before first dose, except: ≤10 mg/day prednisone equivalent, local/inhaled/intranasal steroids, adrenal replacement ≤7.5 mg/day prednisone, or single-dose prophylaxis for contrast allergy

Cannot have received: allogeneic organ or PBSC/bone marrow transplantation

Prior allogeneic organ or PBSC/bone marrow transplantation

Cannot have received: live virus vaccination

Live virus vaccination within 4 weeks prior to first dose

Cannot have received: immunotherapy (with ≥ Grade 3 or treatment-discontinuation irAE)

Exception: controlled hypothyroidism, type 1 diabetes, or limited skin irAEs

Prior ≥ Grade 3 or treatment-discontinuation irAE due to immunotherapy, except controlled hypothyroidism, type 1 diabetes, or limited skin irAEs

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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