Drugs / 177Lu-DOTA-TLX591
last change Jul 2026 re-read 3 minutes ago

177Lu-DOTA-TLX591

also known as TLX591 · 177Lu-TLX591

Monoclonal antibody

Developed for
metastatic prostate carcinoma · prostate cancer
Investigated by
Telix Pharmaceuticals (Innovations) Pty Limited

Trials 2

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial · 1 met primary
Phase 1 NCT04786847 Jan 2022 → Sep 2023 metastatic prostate carcinoma Telix Pharmaceuticals (Innovations) Pty Limited Completed Met primary
Phase 21 trial
Phase 2 NCT05146973 Aug 2022 → Jul 2023 prostate cancer Telix Pharmaceuticals (Innovations) Pty Limited Completed No outcome recorded

News releases announcing trial results or a regulatory action · 15

DateIssuerRelease
2026-07-22 Telix Pharmaceuticals (Innovations) Pty Limited Results TLX591-Tx ProstACT SELECT Study Published in Cancers Journal telixpharma.com ↗
The publication highlights TLX591-Tx’s differentiated clinical profile, including an intensified dosing schedule, prolonged tumor retention and low exocrine (salivary) gland irradiation.
2026-07-02 Telix Pharmaceuticals (Innovations) Pty Limited Regulatory FDA Alignment to Advance ProstACT Global Phase 3 Trial telixpharma.com ↗
FDA and Telix align on advancement into Part 2 of the ProstACT Global Phase 3 study in the United States.
2026-06-02 Telix Pharmaceuticals (Innovations) Pty Limited Results ProstACT Global Phase 3 (Part 1) Data Presented in Late-Breaking Oral Session at ASCO 2026 telixpharma.com ↗
Results demonstrated that TLX591-Tx, Telix’s lead prostate-specific membrane antigen (PSMA) targeted lutetium rADC therapy candidate, has a acceptable safety and tolerability profile when administered with standard of care (SoC) therapies in mCRPC, with no new safety signals observed.
2026-03-10 Telix Pharmaceuticals (Innovations) Pty Limited Results ProstACT Global Phase 3 Study (Part 1) Achieves Primary Objectives telixpharma.com ↗
Telix today announces that Part 1 of the ProstACT Global Phase 3 study, the safety and dosimetry lead-in for its therapeutic candidate – TLX591-Tx (lutetium-177 (177Lu) rosopatamab tetraxetan) – has achieved its primary objectives, demonstrating an acceptable safety and tolerability profile with no new safety signals observed.
2025-07-22 GrandPharma (China) Co., Ltd. Regulatory 远大医药全球创新RDC药物TLX591加入国际多中心III期临床试验的申请已获国家药监局默示许可 grandpharm.com ↗
远大医药(0512.HK)用于治疗前列腺癌的全球创新在研放射性核素偶联药物(RDC) TLX591 ( 177 Lu-rosopatamab tetraxetan)加入国际多中心III期临床试验的申请,近日已获得国家药监局默示许可,这是远大医药在核药抗肿瘤诊疗领域的重要研发进展。
2025-05-07 GrandPharma (China) Co., Ltd. Regulatory 再传捷报!远大医药全球创新RDC产品TLX591加入国际多中心III期临床试验的申请已获国家药监局受理 grandpharm.com ↗
2024-06-05 GrandPharma (China) Co., Ltd. Results 远大医药全球创新放射性核素偶联药物TLX591及TLX250-CDx取得临床进展 grandpharm.com ↗
TLX591用于治疗前列腺癌的海外III期临床研究呈现积极数据,其放射学无进展生存期(rPFS)中位数为8.8个月;
2024-05-30 Telix Pharmaceuticals (Innovations) Pty Limited Results Telix Announces Positive rPFS Data from ProstACT SELECT Trial of TLX591 rADC Therapy Candidate in Prostate Cancer telixpharma.com ↗
The study has reported a median rPFS of 8.8 months, representing an encouraging signal of the potential efficacy of TLX591 in this patient population.
2023-10-18 Telix Pharmaceuticals (Innovations) Pty Limited Results ProstACT SELECT Study of TLX591 Interim Readout: Positive Results Confirm Safety and Tolerability telixpharma.com ↗
Telix today announces positive preliminary results from the Phase I ProstACT SELECT study of its rADC therapy candidate TLX591 (Lutetium (177Lu) rosopatamab tetraxetan) for prostate-specific membrane antigen (PSMA) positive metastatic castration-resistant prostate cancer (mCRPC).
2022-06-10 GrandPharma (China) Co., Ltd. Regulatory 远大医药全球创新放射性核素偶联药物再迎新突破 TLX591-CDx在日本完成首例患者给药 TLX591在澳洲获批III期临床研究 grandpharm.com ↗
而用于前列腺癌治疗的放射性核素偶联药物TLX591 (177Lu-DOTA-Rosopatamab) (“TLX591”),获批开展III期临床研究并获得了人类研究伦理委员会(Human Research EthicsCommittee)的伦理批准。
2021-05-11 GrandPharma (China) Co., Ltd. Regulatory FIC:抗体偶联放射性药物TLX591获批III期临床,远大医药享有中国权益 grandpharm.com ↗
5月9日,澳大利亚创新药公司Telix宣布,旗下抗体偶联放射性药物TLX591获澳大利亚药物管理局批准开展III期临床试验,用于治疗转移性去势抵抗性前列腺癌(mCRPC),远大医药享有中国权益。
2021-05-10 Telix Pharmaceuticals (Innovations) Pty Limited Regulatory Telix Commences Phase III Clinical Trial of Prostate Cancer Therapy telixpharma.com ↗
Telix has been granted HREC approval and received CTN clearance by the TGA to commence a Phase III study of the Company’s prostate cancer therapy candidate TLX591, in patients with advanced prostate cancer.

All press releases naming this drug 27 releases

DateIssuerRelease

Evidence & citations 5 cited values

Every value below carries the sentence it was read from. 2 sources stand behind the page.

FieldValueCited text
Known as 177Lu-DOTA-TLX591 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05146973 ↗
1

NCT04786847 ↗

Known as 177Lu-TLX591 “TLX591, a monoclonal antibody HuX591 conjugated with a DOTA chelator and radiolabelled with 177Lu (177Lu-TLX591)” NCT04786847 ↗
Known as TLX591 “This is a Phase 1 trial of TLX591, a monoclonal antibody HuX591 conjugated with a DOTA chelator and radiolabelled with 177Lu (177Lu-DOTA-TLX591).” NCT04786847 ↗
1

“TLX591, a monoclonal antibody conjugated with a DOTA chelator and radiolabelled with 177Lu (177Lu-DOTA-TLX591)” NCT05146973 ↗

Modality Monoclonal antibody “TLX591, a monoclonal antibody HuX591 conjugated with a DOTA chelator and radiolabelled with 177Lu” NCT04786847 ↗
Route Intravenous “two single intravenous (IV) infusions of 76 mCi each” NCT04786847 ↗