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[8-K] Genprex, Inc. Reports Material Event

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Genprex announced positive preclinical research results for GPX-002, its diabetes gene therapy drug candidate, presented at the 2025 American Diabetes Association Scientific Sessions. The research demonstrated significant breakthroughs in treating Type 1 diabetes using gene therapy.

Key findings include:

  • Successfully converted alpha cells into insulin-secreting beta-like cells in animal models, maintaining improved glucose control for three months
  • Utilized rAAV delivery system through pancreatic duct infusion to deliver Pdx1 and MafA genes
  • Non-human primates showed improved glucose tolerance and reduced insulin requirements one month post-treatment
  • Temporary immunosuppression using rituximab, rapamycin, and steroids proved effective for 3 months, with ongoing studies evaluating 6-month protocols

The research suggests GPX-002 could potentially revolutionize diabetes treatment through cell transdifferentiation, though continued studies are needed to optimize immunosuppression protocols and evaluate long-term efficacy in both Type 1 and Type 2 diabetes models.

Genprex ha annunciato risultati preclinici positivi per GPX-002, il suo candidato farmaco per la terapia genica del diabete, presentati alle Sessioni Scientifiche 2025 dell'American Diabetes Association. La ricerca ha mostrato importanti progressi nel trattamento del diabete di tipo 1 mediante terapia genica.

I risultati principali includono:

  • Conversione riuscita delle cellule alfa in cellule simili alle beta produttrici di insulina in modelli animali, con un miglior controllo glicemico mantenuto per tre mesi
  • Utilizzo del sistema di somministrazione rAAV tramite infusione nel dotto pancreatico per veicolare i geni Pdx1 e MafA
  • I primati non umani hanno mostrato un miglioramento nella tolleranza al glucosio e una riduzione del fabbisogno insulinico un mese dopo il trattamento
  • Immunosoppressione temporanea con rituximab, rapamicina e steroidi efficace per 3 mesi, con studi in corso per valutare protocolli di 6 mesi

La ricerca suggerisce che GPX-002 potrebbe rivoluzionare il trattamento del diabete tramite la transdifferenziazione cellulare, anche se sono necessari ulteriori studi per ottimizzare i protocolli di immunosoppressione e valutarne l'efficacia a lungo termine nei modelli di diabete di tipo 1 e tipo 2.

Genprex anunció resultados preclínicos positivos para GPX-002, su candidato a terapia génica para la diabetes, presentados en las Sesiones Científicas 2025 de la Asociación Americana de Diabetes. La investigación mostró avances significativos en el tratamiento de la diabetes tipo 1 mediante terapia génica.

Los hallazgos clave incluyen:

  • Conversión exitosa de células alfa en células similares a beta que secretan insulina en modelos animales, manteniendo un mejor control glucémico durante tres meses
  • Uso del sistema de administración rAAV mediante infusión en el conducto pancreático para entregar los genes Pdx1 y MafA
  • Los primates no humanos mostraron mejor tolerancia a la glucosa y reducción en los requerimientos de insulina un mes después del tratamiento
  • La inmunosupresión temporal con rituximab, rapamicina y esteroides fue efectiva por 3 meses, con estudios en curso para evaluar protocolos de 6 meses

La investigación sugiere que GPX-002 podría revolucionar el tratamiento de la diabetes a través de la transdiferenciación celular, aunque se necesitan estudios continuos para optimizar los protocolos de inmunosupresión y evaluar la eficacia a largo plazo en modelos de diabetes tipo 1 y tipo 2.

GenprexëŠ� 당뇨ë³� 유전ìž� 치료 후보 약물ì� GPX-002ì—� 대í•� ê¸ì •ì ì¸ ì „ìž„ìƒ� 연구 ê²°ê³¼ë¥� 2025ë…� 미국 당뇨ë³� 학회 과학 세션ì—서 발표했습니다. ì´ë²ˆ 연구ëŠ� 유전ìž� 치료ë¥� 활용í•� ì �1í˜� 당뇨ë³� 치료ì—� 있어 중요í•� ëŒíŒŒêµ¬ë¥¼ 제시했습니다.

주요 발견 ë‚´ìš©ì€ ë‹¤ìŒê³� 같습니다:

  • ë™ë¬¼ 모ë¸ì—서 알파 세í¬ë¥� ì¸ìŠë¦°ì„ 분비하는 베타 유사 세í¬ë¡� 성공ì ìœ¼ë¡� 전환하여 3개월ê°� 혈당 ì¡°ì ˆì� 개선ë�
  • 췌장관 주입ì� 통한 rAAV 전달 ì‹œìŠ¤í…œì„ ì‚¬ìš©í•˜ì—¬ Pdx1 ë°� MafA 유전ìž� 전달
  • 비ì¸ê°� ì˜ìž¥ë¥˜ì—ì„� 치료 1개월 í›� 혈당 내성ì� 개선ë˜ê³  ì¸ìŠë¦� í•„ìš”ëŸ‰ì´ ê°ì†Œí•�
  • 리툭시맙, ë¼íŒŒë§ˆì´ì‹�, 스테로ì´ë“œë¥¼ ì´ìš©í•� ì¼ì‹œì � 면역억제 효과가 3개월ê°� 유지ë˜ì—ˆìœ¼ë©°, 6개월 프로토콜 í‰ê°€ë¥� 위한 연구가 ì§„í–‰ 중임

ì´ë²ˆ 연구ëŠ� GPX-002ê°€ ì„¸í¬ ì „í™˜ì� 통해 당뇨ë³� 치료ì—� í˜ì‹ ì� 가져올 가능성ì� 시사하지ë§�, 면역억제 프로토콜 최ì í™”와 ì �1í˜� ë°� ì �2í˜� 당뇨ë³� 모ë¸ì—서 장기 효능 í‰ê°€ë¥� 위한 추가 연구가 필요합니ë‹�.

Genprex a annoncé des résultats précliniques positifs pour GPX-002, son candidat médicament de thérapie génique pour le diabète, présentés lors des Sessions Scientifiques 2025 de l'American Diabetes Association. La recherche a démontré des avancées significatives dans le traitement du diabète de type 1 par thérapie génique.

Les principales découvertes comprennent :

  • Conversion réussie des cellules alpha en cellules similaires aux bêta sécrétant de l'insuline dans des modèles animaux, avec un contrôle glycémique amélioré maintenu pendant trois mois
  • Utilisation du système de délivrance rAAV par infusion dans le canal pancréatique pour délivrer les gènes Pdx1 et MafA
  • Les primates non humains ont montré une meilleure tolérance au glucose et une réduction des besoins en insuline un mois après le traitement
  • Une immunosuppression temporaire avec rituximab, rapamycine et stéroïdes s'est avérée efficace pendant 3 mois, des études sont en cours pour évaluer des protocoles de 6 mois

La recherche suggère que GPX-002 pourrait révolutionner le traitement du diabète grâce à la transdifférenciation cellulaire, bien que des études supplémentaires soient nécessaires pour optimiser les protocoles d'immunosuppression et évaluer l'efficacité à long terme dans les modèles de diabète de type 1 et 2.

Genprex hat positive präklinische Forschungsergebnisse für GPX-002, seinen Gentherapie-Kandidaten gegen Diabetes, auf den Wissenschaftlichen Sitzungen der American Diabetes Association 2025 vorgestellt. Die Forschung zeigte bedeutende Durchbrüche in der Behandlung von Typ-1-Diabetes mittels Gentherapie.

Wesentliche Erkenntnisse umfassen:

  • Erfolgreiche Umwandlung von Alphazellen in insulinproduzierende Beta-ähnliche Zellen in Tiermodellen, mit einer verbesserten Blutzuckerkontrolle über drei Monate
  • Verwendung des rAAV-Transportsystems durch Infusion in den Pankreasgang zur Übertragung der Gene Pdx1 und MafA
  • Nicht-menschliche Primaten zeigten einen Monat nach der Behandlung eine verbesserte Glukosetoleranz und einen reduzierten Insulinbedarf
  • Temporäre Immunsuppression mit Rituximab, Rapamycin und Steroiden war für 3 Monate wirksam, Studien zur Bewertung von 6-Monats-Protokollen laufen

Die Forschung legt nahe, dass GPX-002 die Diabetesbehandlung durch Zelltransdifferenzierung revolutionieren könnte, wobei weitere Studien zur Optimierung der Immunsuppressionsprotokolle und zur Bewertung der Langzeitwirksamkeit bei Typ-1- und Typ-2-Diabetes-Modellen erforderlich sind.

Positive
  • Positive preclinical results for GPX-002 diabetes gene therapy showed successful transdifferentiation of alpha cells to insulin-producing beta-like cells in non-human primates
  • Treatment demonstrated improved glucose tolerance and reduced insulin requirements in NHPs one month post-infusion
  • The therapy achieved sustained glucose control for three months in animal models, suggesting potential long-term efficacy
  • Novel delivery method using direct pancreatic duct infusion proved effective for gene therapy administration
Negative
  • Immunosuppression therapy required for at least 3-6 months to prevent anti-viral immunity, potentially limiting treatment application
  • Discontinuation of immunosuppression at 3 months led to immune response, indicating potential need for longer-term immunosuppression
  • Additional preclinical studies still needed to generate more data, suggesting timeline to clinical trials may be extended

Insights

Genprex reports promising preclinical data for its diabetes gene therapy showing alpha-to-beta cell conversion lasting three months in animal models.

This 8-K reveals significant progress in Genprex's diabetes gene therapy program. The company's GPX-002 candidate, which uses recombinant adeno-associated virus (rAAV) to deliver Pdx1 and MafA genes via pancreatic duct infusion, has demonstrated sustained therapeutic effect in preclinical models. The most compelling finding is that alpha cells successfully transdifferentiated into insulin-producing beta-like cells that maintained improved glucose control for three months in animal models of Type 1 diabetes.

The non-human primate (NHP) data is particularly valuable as it bridges the gap between mouse models and potential human applications. After treatment, these primates showed improved glucose tolerance and reduced insulin requirements within just one month post-infusion. The research identified important immunological considerations, showing temporary immunosuppression (using rituximab, rapamycin, and steroids) was necessary but effective at preventing anti-viral immunity. Notably, researchers observed significant colocalization of insulin and glucagon in treated islets, suggesting these newly formed beta-like cells retain dual hormone functionality.

While promising, the research reveals challenges with the duration of immunosuppression needed. Three-month regimens proved insufficient when discontinued, prompting ongoing evaluation of six-month protocols. This indicates potential complexities in translating this approach to human patients. The continued preclinical work in both Type 1 and Type 2 diabetes models suggests Genprex is methodically addressing these challenges before advancing toward clinical trials.

Genprex ha annunciato risultati preclinici positivi per GPX-002, il suo candidato farmaco per la terapia genica del diabete, presentati alle Sessioni Scientifiche 2025 dell'American Diabetes Association. La ricerca ha mostrato importanti progressi nel trattamento del diabete di tipo 1 mediante terapia genica.

I risultati principali includono:

  • Conversione riuscita delle cellule alfa in cellule simili alle beta produttrici di insulina in modelli animali, con un miglior controllo glicemico mantenuto per tre mesi
  • Utilizzo del sistema di somministrazione rAAV tramite infusione nel dotto pancreatico per veicolare i geni Pdx1 e MafA
  • I primati non umani hanno mostrato un miglioramento nella tolleranza al glucosio e una riduzione del fabbisogno insulinico un mese dopo il trattamento
  • Immunosoppressione temporanea con rituximab, rapamicina e steroidi efficace per 3 mesi, con studi in corso per valutare protocolli di 6 mesi

La ricerca suggerisce che GPX-002 potrebbe rivoluzionare il trattamento del diabete tramite la transdifferenziazione cellulare, anche se sono necessari ulteriori studi per ottimizzare i protocolli di immunosoppressione e valutarne l'efficacia a lungo termine nei modelli di diabete di tipo 1 e tipo 2.

Genprex anunció resultados preclínicos positivos para GPX-002, su candidato a terapia génica para la diabetes, presentados en las Sesiones Científicas 2025 de la Asociación Americana de Diabetes. La investigación mostró avances significativos en el tratamiento de la diabetes tipo 1 mediante terapia génica.

Los hallazgos clave incluyen:

  • Conversión exitosa de células alfa en células similares a beta que secretan insulina en modelos animales, manteniendo un mejor control glucémico durante tres meses
  • Uso del sistema de administración rAAV mediante infusión en el conducto pancreático para entregar los genes Pdx1 y MafA
  • Los primates no humanos mostraron mejor tolerancia a la glucosa y reducción en los requerimientos de insulina un mes después del tratamiento
  • La inmunosupresión temporal con rituximab, rapamicina y esteroides fue efectiva por 3 meses, con estudios en curso para evaluar protocolos de 6 meses

La investigación sugiere que GPX-002 podría revolucionar el tratamiento de la diabetes a través de la transdiferenciación celular, aunque se necesitan estudios continuos para optimizar los protocolos de inmunosupresión y evaluar la eficacia a largo plazo en modelos de diabetes tipo 1 y tipo 2.

GenprexëŠ� 당뇨ë³� 유전ìž� 치료 후보 약물ì� GPX-002ì—� 대í•� ê¸ì •ì ì¸ ì „ìž„ìƒ� 연구 ê²°ê³¼ë¥� 2025ë…� 미국 당뇨ë³� 학회 과학 세션ì—서 발표했습니다. ì´ë²ˆ 연구ëŠ� 유전ìž� 치료ë¥� 활용í•� ì �1í˜� 당뇨ë³� 치료ì—� 있어 중요í•� ëŒíŒŒêµ¬ë¥¼ 제시했습니다.

주요 발견 ë‚´ìš©ì€ ë‹¤ìŒê³� 같습니다:

  • ë™ë¬¼ 모ë¸ì—서 알파 세í¬ë¥� ì¸ìŠë¦°ì„ 분비하는 베타 유사 세í¬ë¡� 성공ì ìœ¼ë¡� 전환하여 3개월ê°� 혈당 ì¡°ì ˆì� 개선ë�
  • 췌장관 주입ì� 통한 rAAV 전달 ì‹œìŠ¤í…œì„ ì‚¬ìš©í•˜ì—¬ Pdx1 ë°� MafA 유전ìž� 전달
  • 비ì¸ê°� ì˜ìž¥ë¥˜ì—ì„� 치료 1개월 í›� 혈당 내성ì� 개선ë˜ê³  ì¸ìŠë¦� í•„ìš”ëŸ‰ì´ ê°ì†Œí•�
  • 리툭시맙, ë¼íŒŒë§ˆì´ì‹�, 스테로ì´ë“œë¥¼ ì´ìš©í•� ì¼ì‹œì � 면역억제 효과가 3개월ê°� 유지ë˜ì—ˆìœ¼ë©°, 6개월 프로토콜 í‰ê°€ë¥� 위한 연구가 ì§„í–‰ 중임

ì´ë²ˆ 연구ëŠ� GPX-002ê°€ ì„¸í¬ ì „í™˜ì� 통해 당뇨ë³� 치료ì—� í˜ì‹ ì� 가져올 가능성ì� 시사하지ë§�, 면역억제 프로토콜 최ì í™”와 ì �1í˜� ë°� ì �2í˜� 당뇨ë³� 모ë¸ì—서 장기 효능 í‰ê°€ë¥� 위한 추가 연구가 필요합니ë‹�.

Genprex a annoncé des résultats précliniques positifs pour GPX-002, son candidat médicament de thérapie génique pour le diabète, présentés lors des Sessions Scientifiques 2025 de l'American Diabetes Association. La recherche a démontré des avancées significatives dans le traitement du diabète de type 1 par thérapie génique.

Les principales découvertes comprennent :

  • Conversion réussie des cellules alpha en cellules similaires aux bêta sécrétant de l'insuline dans des modèles animaux, avec un contrôle glycémique amélioré maintenu pendant trois mois
  • Utilisation du système de délivrance rAAV par infusion dans le canal pancréatique pour délivrer les gènes Pdx1 et MafA
  • Les primates non humains ont montré une meilleure tolérance au glucose et une réduction des besoins en insuline un mois après le traitement
  • Une immunosuppression temporaire avec rituximab, rapamycine et stéroïdes s'est avérée efficace pendant 3 mois, des études sont en cours pour évaluer des protocoles de 6 mois

La recherche suggère que GPX-002 pourrait révolutionner le traitement du diabète grâce à la transdifférenciation cellulaire, bien que des études supplémentaires soient nécessaires pour optimiser les protocoles d'immunosuppression et évaluer l'efficacité à long terme dans les modèles de diabète de type 1 et 2.

Genprex hat positive präklinische Forschungsergebnisse für GPX-002, seinen Gentherapie-Kandidaten gegen Diabetes, auf den Wissenschaftlichen Sitzungen der American Diabetes Association 2025 vorgestellt. Die Forschung zeigte bedeutende Durchbrüche in der Behandlung von Typ-1-Diabetes mittels Gentherapie.

Wesentliche Erkenntnisse umfassen:

  • Erfolgreiche Umwandlung von Alphazellen in insulinproduzierende Beta-ähnliche Zellen in Tiermodellen, mit einer verbesserten Blutzuckerkontrolle über drei Monate
  • Verwendung des rAAV-Transportsystems durch Infusion in den Pankreasgang zur Übertragung der Gene Pdx1 und MafA
  • Nicht-menschliche Primaten zeigten einen Monat nach der Behandlung eine verbesserte Glukosetoleranz und einen reduzierten Insulinbedarf
  • Temporäre Immunsuppression mit Rituximab, Rapamycin und Steroiden war für 3 Monate wirksam, Studien zur Bewertung von 6-Monats-Protokollen laufen

Die Forschung legt nahe, dass GPX-002 die Diabetesbehandlung durch Zelltransdifferenzierung revolutionieren könnte, wobei weitere Studien zur Optimierung der Immunsuppressionsprotokolle und zur Bewertung der Langzeitwirksamkeit bei Typ-1- und Typ-2-Diabetes-Modellen erforderlich sind.

false 0001595248 0001595248 2025-06-24 2025-06-24
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 
   
 
 
FORM 8-K
    
 
 
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
 
June 24, 2025
Date of report (Date of earliest event reported)
 
GENPREX, INC.
(Exact name of registrant as specified in its charter)
 
Delaware
001-38244
90-0772347
(State or other jurisdiction of
incorporation or organization)
(Commission File Number)
(I.R.S. Employer
Identification Number)
     
3300 Bee Cave Road, #650-227, Austin, TX
 
78746
(Address of principal executive offices)
 
(Zip Code)
 
Registrant’s telephone number, including area code: (512) 537-7997
 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:
 
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
 
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
 
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
 
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
 
Trading
Symbol(s)
 
Name of each exchange on which registered
Common Stock, par value $0.001 per share
 
GNPX
 
The Nasdaq Capital Market
 
Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b–2 of the Securities Exchange Act of 1934 (§ 240.12b–2 of this chapter).
Emerging growth company 
 
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
 
 

 
 
Item 8.01 Other Events.
 
On June 24, 2025, Genprex, Inc. (“Genprex” or the “Company”) issued a press release announcing that its research collaborators presented positive preclinical research from studies of GPX-002, the Company’s diabetes gene therapy drug candidate, at the 2025 American Diabetes Association (“ADA”) 85th Scientific Sessions in Chicago, Illinois.  The research demonstrated that alpha cells in animal models of Type 1 diabetes had undergone transdifferentiation to beta-like cells after being transduced with GPX-002 and the beta-like cells were still providing improved control of glucose levels after three months.
 
The oral presentation at ADA discussed GPX-002 which uses infusion of recombinant adeno-associated virus (“rAAV”) retrograde into the pancreatic duct to deliver the Pdx1 and MafA genes. The gene therapy converts alpha cells into beta-like cells that secrete insulin physiologically, reversing diabetes in mouse models, where immunosuppression was not necessary. Researchers evaluated the immune response to direct infusion of rAAV into the pancreatic duct of non-human primates (“NHPs”) with streptozotocin-induced diabetes and evaluated how to best manage immune responses against the virus capsid proteins. Diabetes was induced with streptozotocin in cynomolgus macaques, a type of NHP.  NHPs received retrograde intraductal infusion of rAAV via laparotomy for precise delivery to the pancreas. rAAV capsids were chosen based on tropism for endocrine cells, and pre-existing neutralizing antibody titers were negative. Expression of viral proteins occurs for a limited period of time after rAAV infection, since the infection does not produce new AAV virus. One-month post-infusion, NHPs showed improved glucose tolerance and reduced insulin requirements. In the following months, using steroid-sparing regimens, increases in pancreatic B and T lymphocyte populations were noted on single cell RNA sequencing. Temporary immunosuppression (“IS”), using a combination of rituximab, rapamycin, and steroids for a 3-month course is largely effective at preventing anti-viral immunity. However, discontinuation of IS at 3 months post-infusion led to an immune response afterwards, indicating that IS in NHPs may need to be continued longer, and six months of IS in NHPs is now being evaluated. When colocalization of insulin and glucagon is quantified, there was significantly elevated colocalization in treated islets compared to untreated diabetic and non-diabetic controls. This research suggests that GPX-002 can lead to transdifferentiation of alpha cells into a new population of beta-like cells that make insulin but still retain the capacity to produce glucagon.
 
In conclusion, the novel rAAV gene therapy research demonstrated that infusion of rAAV directly into the pancreatic duct of NHPs leads to transdifferentiation of alpha cells to beta-like cells with restoration of glucose homeostasis. IS, including steroids, is necessary for a number of months to prevent anti-viral immunity in NHPs.  Researchers are continuing preclinical studies of GPX-002 therapy in NHP models of both Type 1 and Type 2 diabetes to generate additional data, and current studies are evaluating viral efficacy after six months of IS.
 
Cautionary Language Concerning Forward-Looking Statements
 
Statements contained in this Current Report on Form 8-K regarding matters that are not historical facts are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are made on the basis of the current beliefs, expectations and assumptions of management, are not guarantees of performance and are subject to significant risks and uncertainty. These forward-looking statements should, therefore, be considered in light of various important factors, including those set forth in Genprex’s reports that it files from time to time with the Securities and Exchange Commission and which you should review, including those statements under “Item 1A – Risk Factors” in Genprex’s Annual Report on Form 10-K for the year ended December 31, 2024.
 
Because forward-looking statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Such statements include, but are not limited to, statements regarding: Genprex’s ability to advance the clinical development, manufacturing and commercialization of its product candidates in accordance with projected timelines; the timing and success of Genprex’s clinical trials and regulatory approvals, including but not limited to, the Company’s beliefs about the anticipated effects of GPX-002 and its potential as a therapeutic approach; the effect of Genprex’s product candidates, alone and in combination with other therapies, on cancer and diabetes; the effects of any strategic research and development prioritization initiatives, and any other strategic alternatives or other efforts that Genprex takes or may take in the future that are aimed at optimizing and re-focusing Genprex’s diabetes, oncology and/or other clinical development programs including prioritization of resources, and the extent to which Genprex is able to implement such efforts and initiatives successfully to achieve the desired and intended results thereof; Genprex’s future growth and financial status, including Genprex’s ability to maintain compliance with the continued listing requirements of The Nasdaq Capital Market and to continue as a going concern and to obtain capital to meet its long-term liquidity needs on acceptable terms, or at all; Genprex’s commercial and strategic partnerships, including those with its third party vendors, suppliers and manufacturers and their ability to successfully perform and scale up the manufacture of its product candidates; and Genprex’s intellectual property and licenses.
 
These forward-looking statements should not be relied upon as predictions of future events and Genprex cannot assure you that the events or circumstances discussed or reflected in these statements will be achieved or will occur. If such forward-looking statements prove to be inaccurate, the inaccuracy may be material. You should not regard these statements as a representation or warranty by Genprex or any other person that Genprex will achieve its objectives and plans in any specified timeframe, or at all. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this filing. Genprex disclaims any obligation to publicly update or release any revisions to these forward-looking statements, whether as a result of new information, future events or otherwise, after the date of this filing or to reflect the occurrence of unanticipated events, except as required by law.
 
Item 9.01 Financial Statements and Exhibits.
 
(d) Exhibits.
 
Exhibit
Number
 
 Description
     
104   Cover Page Interactive Data File (embedded within the Inline XBRL document).
 
 

 
 
SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
 
GENPREX, INC.
 
       
Date: June 24, 2025
By:
/s/ Ryan Confer
 
   
Ryan Confer
 
   
Chief Executive Officer and Chief Financial Officer
(Principal Executive Officer and Principal Financial and Accounting Officer)
 
 
 

FAQ

What breakthrough did GNPX announce for its diabetes gene therapy GPX-002 in June 2025?

GNPX announced positive preclinical research results for GPX-002 showing that alpha cells in Type 1 diabetes animal models successfully transformed into insulin-producing beta-like cells. The transformed cells demonstrated improved glucose level control that lasted for three months after treatment.

How does GNPX's GPX-002 diabetes treatment work?

GPX-002 uses recombinant adeno-associated virus (rAAV) delivered through the pancreatic duct to carry Pdx1 and MafA genes. This gene therapy converts alpha cells into insulin-secreting beta-like cells, potentially reversing diabetes. The treatment demonstrated success in mouse models without requiring immunosuppression.

What were the key results of GNPX's non-human primate trials for GPX-002?

In non-human primate trials, GPX-002 showed improved glucose tolerance and reduced insulin requirements one month post-infusion. The research confirmed successful transdifferentiation of alpha cells to beta-like cells that could produce both insulin and glucagon, helping restore glucose homeostasis.

What challenges did GNPX identify in their GPX-002 immunosuppression research?

GNPX found that while a 3-month immunosuppression regimen (using rituximab, rapamycin, and steroids) was largely effective, stopping treatment at 3 months led to immune responses. This suggests longer immunosuppression periods may be necessary, leading researchers to now evaluate a 6-month immunosuppression protocol in non-human primates.

What are GNPX's next steps for GPX-002 development as of June 2025?

GNPX is continuing preclinical studies of GPX-002 in non-human primate models for both Type 1 and Type 2 diabetes to generate additional data. Current studies are specifically evaluating viral efficacy after six months of immunosuppression treatment.
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Biotechnology
Pharmaceutical Preparations
United States
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