Clinical Trials

Numerous clinical trials evaluate therapeutic interventions across a broad range of conditions, including kidney transplant rejection, ductal carcinoma in situ, gastroenteropancreatic neuroendocrine tumors, colorectal neoplasms, and polycystic ovarian syndrome. Spanning Phase 1 through Phase 4, these studies are sponsored by academic medical centers, university health systems, and commercial entities, including the University of Guadalajara, Assistance Publique - Hôpitaux de Paris, and Ipsen. Recruitment statuses across the portfolio vary, featuring protocols that are not yet recruiting, actively recruiting, completed, or withdrawn.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06624644 RECRUITING
Melanoma (Skin Cancer); Melanoma Stage IIIB-IV; Cutaneous Melanoma; Unresectable Melanoma
Linnaeus Therapeutics, Inc.
2025-08-06 PHASE2; PHASE3
NCT05749588 RECRUITING
Triple-negative Breast Cancer
Fudan University
2023-03-30 PHASE2
NCT07717671 NOT_YET_RECRUITING
Visual Impairment; Cerebral Visual Impairment; Neurodevelopmental Disorders; Prematurity
Università degli Studi di Brescia
2026-07-01
NCT07523269 RECRUITING
Hypertension (HTN)
Aktiia SA
2026-04
NCT05584670 RECRUITING
Solid Tumor
Sanofi
2022-11-29 PHASE1; PHASE2
NCT07057622 RECRUITING
NETS Ga68 Lu177
HTA Co., Ltd.
2023-12-12 PHASE3
NCT05141149 ACTIVE_NOT_RECRUITING
Pancreatic Cancer
Prestige Biopharma Limited
2023-06-05 PHASE1; PHASE2
NCT04130516 ACTIVE_NOT_RECRUITING
Solid Tumor, Adult
Linnaeus Therapeutics, Inc.
2019-10-21 PHASE1; PHASE2
NCT06269549 ACTIVE_NOT_RECRUITING
Osteoarthritis, Knee
University of Primorska
2024-03-11
NCT07711782 COMPLETED
Polycystic Ovarian Syndrome (PCOS); Reproductive Health
University of Lahore
2026-01-18
NCT07609524 COMPLETED
Cardiac Abnormalities
University of Lahore
2025-06-12
NCT06912425 COMPLETED
Kidney Diseases; Diet, Healthy; Dietary Habits; Exercise; Kidney Disease; Educational; Body Composition; Renal Failure , Chronic
University of Guadalajara
2024-10-01
NCT07586969 COMPLETED
Poly Cystic Ovary Syndrome
University of Lahore
2024-09-11
NCT04794127 COMPLETED
Liposarcoma, Myxoid; Liposarcoma, Dedifferentiated; Liposarcoma, Round Cell
Mario Negri Institute for Pharmacological Research
2022-02-02 PHASE2
NCT05324501 TERMINATED
Recurrent Glioblastoma
Biodexa Pharmaceuticals
2022-10-19 PHASE1
NCT05901636 COMPLETED
Influenza Prevention
Janssen Vaccines & Prevention B.V.
2023-05-17 PHASE1; PHASE2
NCT04499170 WITHDRAWN
Balance Disorders Water
Universidade Norte do Paraná
2024-01
NCT06351488 Not yet recruiting
Kidney Transplant Patients Eligible for a Solid Biopsy
Assistance Publique - Hôpitaux de Paris|CGenetix|Institut National de la Santé Et de la Recherche Médicale France
2024-06-10 --
NCT05752422 UNKNOWN
ADHD
CNS Onlus
2023-06-15
NCT03667092 COMPLETED
Midgut Neuroendocrine Tumors
University Hospital, Toulouse
2018-09-01
NCT06217458 Not yet recruiting
DCIS|Breast Carcinoma in Situ|Calcification
Clinical Hospital Center Rijeka
2024-03-01 Not Applicable
NCT01744249 COMPLETED
Neuroendocrine Tumors; Advanced Cancer
Grupo Espanol de Tumores Neuroendocrinos
2011-11 PHASE2; PHASE3
NCT06178146 Recruiting
IrAE
Jun Wang|Qianfoshan Hospital
2023-09-01 Phase 4
NCT04277221 UNKNOWN
Glioblastoma Multiforme
Safe Save Medical Cell Sciences & Technology Co.,Ltd.
2019-09-19 PHASE3
NCT04424641 TERMINATED
Locally Advanced or Metastatic Solid Tumor(s); Prostate Cancer; Esophageal Cancer; Triple Negative Breast Cancer (TNBC); Squamous Cell Carcinoma of Head and Neck (SCCHN); Non-small Cell Lung Cancer (NSCLC); Bladder Cancer; Uterine Cancer
Genmab
2020-07-15 PHASE1; PHASE2
NCT04748978 UNKNOWN
Uterine Fibroid; Myoma;Uterus
University of Cagliari
2020-09-01
NCT04546802 WITHDRAWN
Hepatocellular Carcinoma; Hepatoma; Liver Cell Carcinoma; Hepatitis C
Bayside Health
2019-09 PHASE3
NCT02969785 COMPLETED
Athletic Injury; Low Back Pain
Universidade Norte do Paraná
2017-09-01
NCT02836925 COMPLETED
Indolent B-cell Lymphoma; Hepatitis C
Fondazione Italiana Linfomi - ETS
2016-03 PHASE2
NCT02713763 COMPLETED
Pancreatic Neuroendocrine Tumour Metastatic
Grupo Espanol de Tumores Neuroendocrinos
2017-02-14 PHASE2
NCT03747016 UNKNOWN
Caesarean Section
Shanghai First Maternity and Infant Hospital
2018-12-01
NCT02895958 TERMINATED
Hepatitis C
Mater Misericordiae University Hospital
2018-03-15 PHASE4
NCT00916708 UNKNOWN
Endometrial Cancer
Azienda Ospedaliera San Giovanni Battista
2008-09
NCT02698371 COMPLETED
Dental Adhesives/Restorations Performance
University Fernando Pessoa
2015-11
NCT03207204 COMPLETED
Tooth Bleaching; Dentin Sensitivity
University of Sao Paulo
2017-07-02
NCT02983435 COMPLETED
Low Back Pain; Osteopathic Manipulative Treatment
Universidade Norte do Paraná
2016-12
NCT02231762 COMPLETED
Gastroenteropancreatic Neuroendocrine Tumors
Ipsen
2014-10 PHASE2
NCT02847286 COMPLETED
HIV- Prevention
International Partnership for Microbicides, Inc.
2015-09-01 PHASE1
NCT02029196 COMPLETED
Healthy Volunteers
Imperial Brands PLC
2013-12
NCT02813460 COMPLETED
Healthy
Janssen Research & Development, LLC
2016-06 PHASE1
NCT02133690 COMPLETED
Rotavirus Gastroenteritis
Serum Institute of India Pvt. Ltd.
2014-05 PHASE3
NCT01756079 COMPLETED
Hepatitis C
Merck Sharp & Dohme LLC
2013-02-06 PHASE4
NCT02406976 UNKNOWN
Morbid Obesity
Hospital de Clinicas de Porto Alegre
2010-08
NCT02157155 COMPLETED
Ketoacidosis; Diabetes Mellitus Type 1
University of Aarhus
2014-06
NCT01819350 COMPLETED
Dental Biofilm pH
Federal University of Paraíba
2011-08 PHASE2
NCT00863239 COMPLETED
Hepatitis C, Chronic
Biolex Therapeutics, Inc.
2009-03 PHASE2
NCT01061658 UNKNOWN
Rotavirus Gastroenteritis
Shantha Biotechnics Limited
2010-07 PHASE1; PHASE2
NCT00757926 WITHDRAWN
Rotavirus Infections
Shantha Biotechnics Limited
2009-09 PHASE1; PHASE2
NCT00505271 COMPLETED
Breast Cancer
Epeius Biotechnologies
2007-07 PHASE1; PHASE2
NCT01091298 COMPLETED
Rotavirus Gastroenteritis
Shantha Biotechnics Limited
2010-04 PHASE1
NCT00953589 COMPLETED
Hepatitis C, Chronic
Biolex Therapeutics, Inc.
2009-07 PHASE2
NCT00820534 COMPLETED
Cold Sore
Novartis
2008-12 PHASE4
NCT01920269 COMPLETED
Bladder Cancer TNM Staging Primary Tumor (T) Ta; Bladder Cancer TNM Staging Primary Tumor (T) T1; Bladder Cancer Transitional Cell Grade
University of Rome Tor Vergata
1994-01 PHASE2; PHASE3
NCT00090233 COMPLETED
Rotavirus Infections
Merck Sharp & Dohme LLC
2001-01 PHASE3
NCT00035919 WITHDRAWN
Colorectal Neoplasms
University of Southern California
2002-11 PHASE1; PHASE2
NCT00239187 COMPLETED
Type 2 Diabetes
OPKO Health, Inc.
2005-09 PHASE1
NCT00239148 COMPLETED
Type 1 Diabetes
OPKO Health, Inc.
2005-06 PHASE1
NCT00743080 COMPLETED
Uterine Myomas
University Magna Graecia
2008-01 PHASE4
NCT00121745 TERMINATED
Pancreatic Cancer
Epeius Biotechnologies
2005-07 PHASE1

(data from https://clinicaltrials.gov, updated on 2026-04-22)

Check the G-1 (LNS 8801) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

G-1 acts as a highly selective, nonsteroidal agonist that binds G protein-coupled receptor 30 (GPR30/GPER) with an affinity of 11 nM, stimulating intracellular calcium mobilization and triggering downstream ERK/MAPK pathway activation. Activation of this GPER-mediated signaling cascade regulates cellular proliferation and apoptotic pathways, providing potential therapeutic utility in inhibiting aberrant cell growth in clinical contexts such as ductal carcinoma in situ, gastroenteropancreatic neuroendocrine tumors, and colorectal neoplasms.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.