A Phase 1/2, Dose Escalation, and Randomized, Double-Blind, Placebo-Controlled Study of the Efficacy and Safety of Oral WP1122 in Adult Patients With Advanced Coronavirus Disease 2019 (COVID-19)

This is a Phase 1, multi-center, dose escalation study that is followed by a Phase 2 randomized, double-blind, placebo-controlled study of the safety and efficacy of WP1122 administered q12h ±1 hr PO in adult patients with COVID-19 who require hospitalization with respiratory support.
The Phase 1 component will enroll COVID-19 positive patients who are symptomatic and the Phase 2 component will enroll adults with COVID-19 who require hospitalization for respiratory support and those patients requiring intubation with mechanical ventilation.

Start Date01 Dec 2022

Sponsor / Collaborator

University of Campinas

NCT05195723 / CompletedPhase 1

A Phase 1a, First-in-Human, Randomized, Double-Blind, Placebo-Controlled, Overlapping Single and Multiple Ascending Dose Escalation Study of WP1122 to Establish Maximum Tolerated Dose and Evaluate Pharmacokinetics

This study in healthy human volunteers will investigate the effects of a single dose (SAD) and multiple days of dosing (MAD) of WP1122 administered as an oral (PO) solution. Dose escalation will take place in sequential SAD cohorts, and MAD will start as soon as SAD has completed at least 3 dosing cohorts in which WP1122 is found to be safe and well-tolerated. This study in healthy volunteers will explore safety and PK, and subsequent clinical development will be in patients infected with SARS CoV-2 in the setting of continued safety and favorable risk/benefit.

Start Date11 May 2022

Sponsor / Collaborator

Moleculin Biotech, Inc.

100 Clinical Results associated with WP-1122

100 Translational Medicine associated with WP-1122

100 Patents (Medical) associated with WP-1122

Literatures (Medical) associated with WP-1122

01 Sep 2023·Carbohydrate research

d-Glucose- and d-mannose-based antimetabolites. Part 4: Facile synthesis of mono- and di-acetates of 2-deoxy-d-glucose prodrugs as potentially useful antimetabolites

Article

Author: Skora, Stanisław ; Fokt, Izabela ; Cybulski, Marcin ; Priebe, Waldemar ; Woźniak, Krzysztof ; Ziemniak, Marcin ; Pająk, Beata ; Zielinski, Rafal

2-Deoxy-d-glucose (2-DG), a compound known to interfere with d-glucose and d-mannose metabolism, has been tested as a potential anticancer and antiviral agent. Preclinical and clinical studies focused on 2-DG have highlighted several limitations related to 2-DG drug-like properties, such as poor pharmacokinetic properties. To overcome this problem, we proposed design and synthesis of novel 2-DG prodrugs that subsequently could be tested using a variety of biochemical and molecular methods. We narrowed here our focus to esters of 2-DG as potential prodrugs based on the hypothesis that ubiquitous esterases will regenerate 2-DG, leading to increased circulation time of drug and adequate organ and tumor penetration. Testing this hypothesis in vitro and, especially, in vivo requires significant amounts of respective pure mono- and previously unknown di-acetylated water-soluble derivatives of 2-DG. Development of their efficient and practical method of synthesis was imperative. We describe novel facile and scalable syntheses of seven selectively acetylated water-soluble derivatives of 2-DG and present a detailed ¹H and ¹³C NMR analysis of all final products. X-ray diffraction analysis has been performed for compound WP1122 that was selected for detailed preclinical and subsequent clinical evaluation as potential anticancer or antiviral agent.

01 Oct 2019·RadiologyQ1 · MEDICINE

Hyperpolarized Pyruvate MR Spectroscopy Depicts Glycolytic Inhibition in a Mouse Model of Glioma

Q1 · MEDICINE

Article

Author: Zieliński, Rafal ; Priebe, Waldemar ; Schellingerhout, Dawid ; Michel, Keith A. ; Walker, Christopher M. ; Le Roux, Lucia ; Bankson, James A.

BackgroundA generation of therapies targeting tumor metabolism is becoming available for treating glioma. Hyperpolarized MRI is uniquely suited to directly measure the metabolic effects of these emerging treatments.PurposeTo explore the feasibility of the use of hyperpolarized [1-carbon 13 {¹³C}]-pyruvate for real-time measurement of metabolism and response to treatment with a glycolytic inhibitor in an orthotopic mouse model of glioma.Materials and MethodsIn this animal study, anatomic MRI and dynamic ¹³C MR spectroscopy were performed at 7 T during intravenous injection of hyperpolarized [1-¹³C]-pyruvate on mice with orthotopic U87MG glioma and healthy control mice. Anatomic MRI and dynamic ¹³C MR spectroscopy were repeated after administration of the glycolytic inhibitor WP1122, a prodrug of 2-deoxy-d-glucose. All experiments were conducted in athymic nude mice between October 2016 and March 2017. Hyperpolarized lactate production was quantified as an apparent reaction rate, or k_PL, and normalized lactate ratio (nLac). The Wilcoxon signed-rank test was used to assess changes in paired measures of lactate production before and after treatment.ResultsThirteen 12-16-week-old female mice and five healthy female mice underwent anatomic MRI and hyperpolarized [1-¹³C]-pyruvate spectroscopy. Large contrast agent-enhanced tumors were shown in mice with glioma at T2-weighted and T1-weighted postcontrast MRI by postimplantation day 40. After treatment with WP1122, a decrease in lactate was observed in mice with glioma (baseline and treatment mean k_PL, 0.027 and 0.018 sec^-1, respectively, P = .01; baseline and posttreatment mean nLac, 0.28 and 0.22, respectively, P = .01) whereas no significant decrease was observed in healthy control mice (baseline and posttreatment mean k_PL, 0.011 and 0.017 sec^-1, respectively, P = .91; baseline and posttreatment mean nLac, 0.16 and 0.21, respectively, P = .84).ConclusionHyperpolarized carbon 13 measurements of pyruvate metabolism can provide rapid feedback for monitoring treatment response in glioma.© RSNA, 2019.

BiomedicinesQ3 · ENGINEERING & TECHNOLOGY

Synergistic Anticancer Effect of Glycolysis and Histone Deacetylases Inhibitors in a Glioblastoma Model

Q3 · ENGINEERING & TECHNOLOGY

ArticleOA

Author: Zieliński, Rafał ; Domoradzki, Tomasz ; Sołtyka, Maja ; Siwiak-Niedbalska, Ewelina ; Skóra, Stanisław ; Priebe, Waldemar ; Fokt, Izabela ; Jaśkiewicz, Anna ; Pająk, Beata

Over the last decade, we have seen tremendous progress in research on 2-deoxy-D-glucose (2-DG) and its analogs. Clinical trials of 2-DG have demonstrated the challenges of using 2-DG as a monotherapy, due to its poor drug-like characteristics, leading researchers to focus on improving its bioavailability to tissue and organs. Novel 2-DG analogs such as WP1122 and others have revived the old concept of glycolysis inhibition as an effective anticancer strategy. Combined with other potent cytotoxic agents, inhibitors of glycolysis could synergistically eliminate cancer cells. We focused our efforts on the development of new combinations of anticancer agents coupled with 2-DG and its derivatives, targeting glioblastoma, which is in desperate need of novel approaches and therapeutic options and is particularly suited to glycolysis inhibition, due to its reliance on aerobic glycolysis. Herein, we present evidence that a combined treatment of 2-DG analogs and modulation of histone deacetylases (HDAC) activity via HDAC inhibitors (sodium butyrate and sodium valproate) exerts synergistic cytotoxic effects in glioblastoma U-87 and U-251 cells and represents a promising therapeutic strategy.

News (Medical) associated with WP-1122

12 Nov 2024

·www.prnewswire.com

Moleculin Receives Institutional Review Board Approval for MIRACLE Phase 3 Pivotal Trial of Annamycin in Combination with Cytarabine for the Treatment of R/R Acute Myeloid Leukemia (AML)

Company on track for first subject treated in pivotal, adaptive Phase 3 clinical trial (the "MIRACLE" trial) in the first quarter of 2025 Trial designed for possible accelerated approval of Annamycin in combination with cytarabine for the treatment of relapsed or refractory AML HOUSTON, Nov. 12, 2024 /PRNewswire/ -- Moleculin Biotech, Inc., (Nasdaq: MBRX) ("Moleculin" or the "Company"), a late-stage pharmaceutical company with a broad portfolio of drug candidates targeting hard-to-treat tumors and viruses, today announced it has received Institutional Review Board (IRB) approval for its Phase 3 pivotal trial protocol evaluating Annamycin in combination with Cytarabine (also known as "Ara-C" and for which the combination of Annamycin and Ara-C is referred to as "AnnAraC") for the treatment of AML patients who are refractory to or relapsed after induction therapy (R/R AML) (MB-108). This Phase 3 "MIRACLE" trial (derived from Molecul in R/R AML AnnAraC Clinical Evaluation) will be a global trial, including sites in the US. "IRB approval marks an important milestone towards the launch of our MIRACLE pivotal Phase 3 trial of Annamycin in AML patients. Our team is focused on getting clinical trial sites up and running, and we believe we will be in a position to commence enrollment in the first quarter of 2025," commented Walter Klemp, Chairman and Chief Executive Officer of Moleculin. "We have been extremely busy meeting with potential investigators for this study and are highly encouraged by these conversations. The positive feedback from the clinicians on the strength of our data generated to date, along with our alignment with FDA on the strategic design of the MIRACLE study, gives us a high level of confidence as we take these next steps toward potentially bringing a much needed solution to AML patients." The MIRACLE study, subject to appropriate future filings with and potential additional feedback from the FDA and their foreign equivalents, is expected to initially utilize an adaptive design whereby the first 75 to 90 subjects will be randomized in Part A of the trial to receive high dose cytarabine (HiDAC) combined with either placebo, 190 mg/m2 of Annamycin, or 230 mg/m2 of Annamycin, such doses were specifically recommended by the FDA in our end of Phase 1B/2 meeting. At that point, the trial will be unblinded to select the optimum dose for Annamycin. For Part B of the trial, approximately 240 additional subjects will be randomized to receive either HiDAC plus placebo or HiDAC plus the optimum dose of Annamycin. The selection of the optimum dose will be based on the overall balance of safety, pharmacokinetics and efficacy, consistent with the FDA's new Project Optimus initiative. Annamycin currently has Fast Track Status and Orphan Drug Designation from the FDA for the treatment of relapsed or refractory acute myeloid leukemia, in addition to Orphan Drug Designation for the treatment of soft tissue sarcoma. Furthermore, Annamycin has Orphan Drug Designation for the treatment of relapsed or refractory acute myeloid leukemia from the European Medicines Agency (EMA). About Moleculin Biotech, Inc. Moleculin Biotech, Inc. is a Phase 3 clinical stage pharmaceutical company advancing a pipeline of therapeutic candidates addressing hard-to-treat tumors and viruses. The Company's lead program, Annamycin, is a next-generation anthracycline designed to avoid multidrug resistance mechanisms and to eliminate the cardiotoxicity common with currently prescribed anthracyclines. Annamycin is currently in development for the treatment of relapsed or refractory acute myeloid leukemia (AML) and soft tissue sarcoma (STS) lung metastases. The Company is initiating the MIRACLE ( Molecul in R/R AML AnnAraC Clinical Evaluation) Trial (MB-108), a pivotal, adaptive design Phase 3 trial evaluating Annamycin in combination with cytarabine, together referred to as AnnAraC, for the treatment of relapsed or refractory acute myeloid leukemia. Following a successful Phase 1B/2 study (MB-106), with input from the FDA, the Company believes it has substantially de-risked the development pathway towards a potential approval for Annamycin for the treatment of AML. This study is subject to appropriate future filings with potential additional feedback from the FDA and their foreign equivalents. Additionally, the Company is developing WP1066, an Immune/Transcription Modulator capable of inhibiting p-STAT3 and other oncogenic transcription factors while also stimulating a natural immune response, targeting brain tumors, pancreatic and other cancers. Moleculin is also engaged in the development of a portfolio of antimetabolites, including WP1122 for the potential treatment of pathogenic viruses, as well as certain cancer indications. For more information about the Company, please visit and connect on X, LinkedIn and Facebook. Forward-Looking Statements Some of the statements in this release are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934 and the Private Securities Litigation Reform Act of 1995, which involve risks and uncertainties. Forward-looking statements in this press release include, without limitation, the timing of the commencement of enrollment of the MIRACLE trial. Although Moleculin believes that the expectations reflected in such forward-looking statements are reasonable as of the date made, expectations may prove to have been materially different from the results expressed or implied by such forward-looking statements. Moleculin has attempted to identify forward-looking statements by terminology including 'believes,' 'estimates,' 'anticipates,' 'expects,' 'plans,' 'projects,' 'intends,' 'potential,' 'may,' 'could,' 'might,' 'will,' 'should,' 'approximately' or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors, including those discussed under Item 1A. "Risk Factors" in our most recently filed Form 10-K filed with the Securities and Exchange Commission (SEC) and updated from time to time in our Form 10-Q filings and in our other public filings with the SEC. Any forward-looking statements contained in this release speak only as of its date. We undertake no obligation to update any forward-looking statements contained in this release to reflect events or circumstances occurring after its date or to reflect the occurrence of unanticipated events. Investor Contact: JTC Team, LLC Jenene Thomas (908) 824-0775 [email protected] SOURCE Moleculin Biotech, Inc. WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In GET STARTED

Phase 3Orphan DrugFast TrackAccelerated Approval

11 Nov 2024

·www.prnewswire.com

Moleculin Reports Third Quarter 2024 Financial Results and Provides Corporate Update

- On track to start dosing in pivotal, adaptive Phase 3 clinical trial (the "MIRACLE" trial) designed for possible accelerated approval of Annamycin in combination with cytarabine for the treatment of R/R AML in Q1 2025 - Median durability of CRc in MB-106 Annamycin+ Cytarabine AML clinical trial continues to climb - now past 8 months - Recent virtual AML KOL event underscores how Annamycin could significantly change the AML treatment landscape; Replay available here - Company to host conference call and webcast today, Monday, November 11th at 8:30 AM ET HOUSTON, Nov. 11, 2024 /PRNewswire/ -- Moleculin Biotech, Inc., (Nasdaq: MBRX) ("Moleculin" or the "Company"), a late stage pharmaceutical company with a broad portfolio of drug candidates targeting hard-to-treat tumors and viruses, today reported its financial results for the quarter ended September 30, 2024. As previously announced, the Company will host a conference call and live audio webcast to discuss the operational and financial results at 8:30 AM ET on Monday, November 11, 2024 (details below). "We are thrilled to have emerged as a late stage company. Our focus remains on the ramp up for and execution of our upcoming MIRACLE trial. We have been extremely active and our recent interactions with potential clinical trial sites globally have been overwhelmingly positive as we prepare for the start of enrollment and dosing early next year. We believe with our recent clinical and regulatory 'wins,' we have foundationally set the stage for a transformational year ahead and the opportunity to drive significant value for all stakeholders. With that said, we continue to follow our CRc (complete response composite) preliminary data from our MB-106 Phase 1B/2 AML clinical trial. We are also pleased with the median durability continuing to climb – and is now in excess of 8 months," commented Walter Klemp, Chairman and Chief Executive Officer of Moleculin. Recent Highlights Appointed Daniel D. Von Hoff, M.D., F.A.C.P., FASCO, FAACR, leading expert in Pancreatic Cancer to its Scientific Advisory Board to Support Development of Annamycin; Hosted a Virtual Acute Myeloid Leukemia KOL event with internationally renowned Acute Myeloid Leukemia (AML) Key Opinion Leaders to discuss Annamycin, the use of anthracyclines, how Annamycin could significantly change the AML treatment landscape, and the Company's recently announced global Phase 3 pivotal trial for the treatment of AML patients who are refractory to or relapsed after induction therapy (R/R AML) (the "MIRACLE" trial); Presented positive in vivo efficacy data of Annamycin in orthotopic and experimental lung metastatic models of Sarcoma in a poster titled "Annamycin: Opening New Doors for Organotropic Targeting of Primary and Metastatic Lung Cancer," at the IASLC 2024 World Conference on Lung Cancer; Commenced enrollment and treatment of patients in the Investigator-initiated Phase 2 study evaluating WP1066 in combination with radiation therapy for the treatment of adults with glioblastoma; and Closed a $5.5 million financing upfront with up to an additional $11.0 million of potential aggregate gross proceeds upon the exercise in full of milestone-linked warrants. Clinical Development Update Annamycin is currently being evaluated in ongoing clinical trials for the treatment of relapsed or refractory acute myeloid leukemia (AML) and soft tissue sarcoma (STS) lung metastases. Annamycin currently has Fast Track Status and Orphan Drug Designation from the FDA for the treatment of relapsed or refractory acute myeloid leukemia, in addition to Orphan Drug Designation for the treatment of soft tissue sarcoma. Furthermore, Annamycin has Orphan Drug Designation for the treatment of relapsed or refractory acute myeloid leukemia from the European Medicines Agency (EMA). AML The Company recently announced the positive discussion and outcome of its End of Phase 1B/2 (EOP1B/2) meeting with the US Food and Drug Administration (FDA) supporting the advancement of Annamycin in combination with Cytarabine (also known as "Ara-C" and for which the combination of Annamycin and Ara-C is referred to as "AnnAraC") to a Phase 3 pivotal trial for the treatment of AML patients who are refractory to or relapsed after induction therapy (R/R AML). This Phase 3 "MIRACLE" trial (derived from Molecul in R/R AML AnnAraC Clinical Evaluation) will be a global trial, including sites in the US. The MIRACLE study, subject to appropriate future filings with and potential additional feedback from the FDA and their foreign equivalents, is expected to initially utilize an adaptive design whereby approximately the first 75 to 90 subjects will be randomized to receive high dose cytarabine (HiDAC) combined with either placebo, 190 mg/m2 of Annamycin, or 230 mg/m2 of Annamycin. At that point, the trial will be unblinded to select the optimum dose for Annamycin. For the second part of the trial, approximately 240 additional subjects will be randomized to receive either HiDAC plus placebo or HiDAC plus the optimum dose of Annamycin. The selection of the optimum dose will be based not only on the overall balance of safety, tolerability, pharmacokinetics and efficacy, consistent with the FDA's new Project Optimus initiative. Expected Milestones for Annamycin AML Development Program 4Q 2024 – Contracting with MIRACLE trial sites and IRB approval 1Q 2025 – First subject treated in MIRACLE trial 4Q 2025 – Recruitment and overall efficacy rate update (n=45) 2H 2026 – Interim efficacy and safety data (n=90) unblinded and Optimum Dose set for MIRACLE trial 2027 – Begin enrollment of 3rd line subjects in MIRACLE2 2027 – Enrollment ends in 2nd line subjects 2028 – Primary efficacy data for 2nd line subjects in MIRACLE 2028 2H – Begin submission of a Rolling New Drug Application (NDA) for the treatment of R/R AML for accelerated approval on primary endpoint of CR from MIRACLE STS Lung Metastases As previously announced, the Company completed enrollment in the Phase 2 portion of its U.S. Phase 1B/2 clinical trial evaluating Annamycin as monotherapy for the treatment of soft tissue sarcoma lung metastases. Subjects who had stable disease at the time of study discontinuation were followed for progression free response and overall survival. The study database is locked, and the clinical study report is being written and should be completed in early 2025 and will be released in detail at that time Expected Milestones for Annamycin STS Lung Mets Development Program 2025 – Final MB-107 data readout 2025 – Identify next phase of development / pivotal program Summary of Financial Results for the Third Quarter 2024 Research and development (R&D) expense was $4.9 million and $3.3 million for the three months ended September 30, 2024 and 2023, respectively. The increase over the prior year period is mainly related to costs incurred for clinical trials (clinical research organization and drug production) and sponsored research costs. General and administrative expense was $2.2 million and $2.6 million for the three months ended September 30, 2024 and 2023, respectively. The decrease of $0.4 million is mainly related to a decrease in regulatory and legal fees. As of September 30, 2024, the Company had cash and cash equivalents of $9.4 million and believes that the existing cash and cash equivalents as of September 30, 2024, will be sufficient to fund planned operations into the first quarter of 2025. Conference Call and Webcast Moleculin management will host its quarterly conference call and webcast for investors, analysts, and other interested parties on Monday, November 11, 2024 at 8:30 AM ET. Interested participants and investors may access the conference call by dialing (877) 407-0832 (domestic) or (201) 689-8433 (international) and referencing the Moleculin Biotech Conference Call. The live audio webcast will be accessible on the Events page of the Investors section of the Moleculin website, moleculin.com, and will be archived for 90 days. About Moleculin Biotech, Inc. Moleculin Biotech, Inc. is a Phase 3 clinical stage pharmaceutical company advancing a pipeline of therapeutic candidates addressing hard-to-treat tumors and viruses. The Company's lead program, Annamycin, is a next-generation anthracycline designed to avoid multidrug resistance mechanisms and to eliminate the cardiotoxicity common with currently prescribed anthracyclines. Annamycin is currently in development for the treatment of relapsed or refractory acute myeloid leukemia (AML) and soft tissue sarcoma (STS) lung metastases. The Company is initiating the MIRACLE ( Molecul in R/R AML AnnAraC Clinical Evaluation) Trial (MB-108), a pivotal, adaptive design Phase 3 trial evaluating Annamycin in combination with cytarabine, together referred to as AnnAraC, for the treatment of relapsed or refractory acute myeloid leukemia. Following a successful Phase 1B/2 study (MB-106), with input from the FDA, the Company believes it has substantially de-risked the development pathway towards a potential approval for Annamycin for the treatment of AML. This study is subject to appropriate future filings with potential additional feedback from the FDA and their foreign equivalents. Additionally, the Company is developing WP1066, an Immune/Transcription Modulator capable of inhibiting p-STAT3 and other oncogenic transcription factors while also stimulating a natural immune response, targeting brain tumors, pancreatic and other cancers. Moleculin is also engaged in the development of a portfolio of antimetabolites, including WP1122 for the potential treatment of pathogenic viruses, as well as certain cancer indications. For more information about the Company, please visit and connect on X, LinkedIn and Facebook. Forward-Looking Statements Some of the statements in this release are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934 and the Private Securities Litigation Reform Act of 1995, which involve risks and uncertainties. Forward-looking statements in this press release include, without limitation, the Company's forecasted cash burn rate (including its estimate of cash sufficient to meet its projected operating requirements) and the achievement of the expected milestones set forth above. Although Moleculin believes that the expectations reflected in such forward-looking statements are reasonable as of the date made, expectations may prove to have been materially different from the results expressed or implied by such forward-looking statements. Moleculin has attempted to identify forward-looking statements by terminology including 'believes,' 'estimates,' 'anticipates,' 'expects,' 'plans,' 'projects,' 'intends,' 'potential,' 'may,' 'could,' 'might,' 'will,' 'should,' 'approximately' or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors, including those discussed under Item 1A. "Risk Factors" in our most recently filed Form 10-K filed with the Securities and Exchange Commission ("SEC") and updated from time to time in our Form 10-Q filings and in our other public filings with the SEC. Any forward-looking statements contained in this release speak only as of its date. We undertake no obligation to update any forward-looking statements contained in this release to reflect events or circumstances occurring after its date or to reflect the occurrence of unanticipated events. Investor Contact: JTC Team, LLC Jenene Thomas (908) 824-0775 [email protected] SOURCE Moleculin Biotech, Inc. WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In GET STARTED

Phase 3Fast TrackPhase 2Orphan DrugFinancial Statement

05 Nov 2024

·www.prnewswire.com

Moleculin to Report Third Quarter 2024 Financial Results on November 8, 2024 and Host Conference Call and Webcast

HOUSTON, Nov. 5, 2024 /PRNewswire/ -- Moleculin Biotech, Inc., (Nasdaq: MBRX) ("Moleculin" or the "Company"), a late-stage pharmaceutical company with a broad portfolio of drug candidates targeting hard-to-treat tumors and viruses, today announced that it will report its financial results for the quarter ended September 30, 2024, on Friday, November 8, 2024. Moleculin management will host a conference call and live audio webcast to discuss the operational and financial results at 8:30 AM ET on Monday, November 11, 2024. Interested participants and investors may access the conference call by dialing (877) 407-0832 (domestic) or (201) 689-8433 (international) and referencing the Moleculin Biotech Conference Call. The live audio webcast will be accessible on the Events page of the Investors section of the Moleculin website, moleculin.com, and will be archived for 90 days. About Moleculin Biotech, Inc. Moleculin Biotech, Inc. is a Phase 3 clinical stage pharmaceutical company advancing a pipeline of therapeutic candidates addressing hard-to-treat tumors and viruses. The Company's lead program, Annamycin, is a next-generation anthracycline designed to avoid multidrug resistance mechanisms and to eliminate the cardiotoxicity common with currently prescribed anthracyclines. Annamycin is currently in development for the treatment of relapsed or refractory acute myeloid leukemia (AML) and soft tissue sarcoma (STS) lung metastases. The Company is initiating the MIRACLE ( Molecul in R/R AML AnnAraC Clinical Evaluation) Trial (MB-108), a pivotal, adaptive design Phase 3 trial evaluating Annamycin in combination with cytarabine, together referred to as AnnAraC, for the treatment of relapsed or refractory acute myeloid leukemia. Following a successful Phase 1B/2 study (MB-106), with input from the FDA, the Company believes it has substantially de-risked the development pathway towards a potential approval for Annamycin for the treatment of AML. This study is subject to appropriate future filings with potential additional feedback from the FDA and their foreign equivalents. Additionally, the Company is developing WP1066, an Immune/Transcription Modulator capable of inhibiting p-STAT3 and other oncogenic transcription factors while also stimulating a natural immune response, targeting brain tumors, pancreatic and other cancers. Moleculin is also engaged in the development of a portfolio of antimetabolites, including WP1122 for the potential treatment of pathogenic viruses, as well as certain cancer indications. For more information about the Company, please visit and connect on X, LinkedIn and Facebook. Investor Contact: JTC Team, LLC Jenene Thomas (908) 824-0775 [email protected] SOURCE Moleculin Biotech, Inc. WANT YOUR COMPANY'S NEWS FEATURED ON PRNEWSWIRE.COM? 440k+ Newsrooms & Influencers 9k+ Digital Media Outlets 270k+ Journalists Opted In GET STARTED

Phase 3Financial Statement

100 Deals associated with WP-1122

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Indication	Highest Phase	Country/Location	Organization	Date
COVID-19	Phase 2	BR	University of Campinas	01 Dec 2022
Mechanical ventilation complication	Phase 2	BR	University of Campinas	01 Dec 2022
Respiratory Distress Syndrome, Acute	Phase 2	BR	University of Campinas	01 Dec 2022
Glioblastoma	Phase 1	US	Moleculin Biotech, Inc.	-
Glioblastoma Multiforme	Phase 1	GB	Moleculin Biotech, Inc.	-
HIV Infections	Preclinical	US	Moleculin Biotech, Inc.	11 Aug 2023
Pancreatic Cancer	Preclinical	US	Moleculin Biotech, Inc.	27 Oct 2019

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Study	Phase	Population	Analyzed Enrollment	Group	Results	Evaluation	Publication Date


NCT05195723 (PRNewswire) Manual	Phase 1	-	4	WP1122	-	Positive	14 Oct 2022
				Placebo
NCT05195723 (Biospace) Manual	Phase 1	-	10	WP-1122	yswetpesww(wifylsqvzf) = the Safety Review Committee (SRC) for the study deemed the third single ascending dose (SAD) cohort dose safe and well-tolerated xrrsaicupo (fmdpzowvhh )	Positive	19 Aug 2022
				Placebo

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