First patient in South Korea dosed MIAMI, Sept. 16, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor today announced activation of two South Korean clinical trial sites participating in its Phase 1/1b open label study to assess the safety, tolerability, pharmacokinetics (PK)... Read More

Recommendation that trial escalate to next dose level of 8mg tablet Initial interim clinical data from first two cohorts expected in Q1 2026 MIAMI, Sept. 08, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor today announced that the external Safety Review Committee... Read More

MIAMI, Aug. 29, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, today announced change of date and time of management’s live presentation at the H.C. Wainwright 27 th Annual Global Investment Conference, taking place September 8-10, 2025 in New York City, to Monday,... Read More

MIAMI, Aug. 28, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, today announced management will participate in the H.C. Wainwright 27 th Annual Global Investment Conference, taking place September 8-10, 2025 in New York City. Pasithea CEO, Dr. Tiago Reis Marques, will... Read More

Initial interim safety, tolerability, biomarker, and preliminary efficacy data expected in Q1 2026 MIAMI, July 31, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor for the treatment of neurofibromatosis type 1 (NF1) and other MAPK pathway driven indications, today announced... Read More

Dr. James Lee of the Francis Crick Institute will help guide development of PAS-004 for ETS2-driven diseases such as inflammatory bowel disease (IBD) MIAMI, June 11, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, today announced the appointment of Dr. James Lee to its... Read More

PAS-004 demonstrates preliminary clinical activity as a monotherapy in patients with heavily pre-treated, refractory solid tumors One patient in cohort 4A (15mg capsule) with stage 4 BRAF-mutated melanoma, who had progressed after two prior lines of therapy, including a prior MEK inhibitor + BRAF inhibitor combination therapy, achieves over 5 months of stable disease with tumor volume reduction of -14.9% and remains on... Read More

Demonstrates PAS-004’s potential as a differentiated MEK inhibitor for immune-mediated inflammatory diseases such as IBD and ankylosing spondylitis Positions PAS-004 for potential expansion beyond MAPK pathway driven tumors into inflammatory diseases PAS-004 outperforms FDA-approved MEK inhibitor selumetinib in targeting ETS2 pathway Study conducted at Francis Crick Institute by lead author of 2024 Nature paper that... Read More

First patient expected to be dosed during Q2 2025 Trial will evaluate safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy in both plexiform neurofibromas and cutaneous neurofibromas Starting dose of 4mg tablet QD (once daily) First trial site in Australia. Four additional sites planned for Australia, South Korea, and U.S. Australian R&D Tax Incentive refund of up to 48.5% of eligible... Read More

MIAMI, May 07, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics, Corp. (“Pasithea,” or the “Company”) (Nasdaq: KTTA; KTTAW), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced the closing of its previously announced public offering of 3,571,428 shares of its common stock (or... Read More

MIAMI, May 06, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics, Corp. (“Pasithea,” or the “Company”) (Nasdaq: KTTA; KTTAW), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced the pricing of a public offering of 3,571,428 shares of the Company’s common stock (or pre-funded... Read More

PAS-004 shows up to 91% inhibition of pERK, confirming substantial target engagement One patient in cohort 4A with stage 4 KRAS G12R mutated pancreatic cancer achieves over 5 months of stable disease with tumor volume reduction of -9.8% MIAMI, May 06, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp . (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation... Read More

MIAMI, April 29, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other MAPK pathway driven cancer indications, today announced the Company has completed enrollment and initial dosing of three subjects in Cohort 6 with... Read More

MIAMI, April 24, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other MAPK pathway driven indications, today announced the acceptance of an abstract for a poster prenstation at the Annual Meeting of the American... Read More

SRC recommended that the trial escalate to the next dose level of 30mg capsule No dose-limiting toxicities (DLT’s) or rash observed to date MIAMI, April 10, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer... Read More

Conference taking place on March 27-29, 2025 in New Orleans CAGLA NeauxCancer Conference is a leading global forum in oncology MIAMI, March 24, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications,... Read More

SRC recommended that the trial escalate to the next dose level of 22mg capsule No dose-limiting toxicities (DLT’s) or rash observed to date in either capsule or tablet formulations MIAMI, Feb. 05, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of... Read More

Interim data from Cohort 4 expected Q1 2025 MIAMI, Jan. 14, 2025 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced it has opened three clinical trial sites in Eastern Europe. These... Read More

SRC recommended that the trial escalate to the next dose level of 15mg capsule No dose-limiting toxicities (DLTs) observed to date No rash observed to date MIAMI, Nov. 20, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1)... Read More

MIAMI, Sept. 26, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced that it has entered into definitive agreements for the issuance and sale of an aggregate of 1,219,513 shares... Read More

Single patient in 2mg cohort with stage 3 colon cancer who received 4 prior lines of therapy achieves prolonged stable disease and remains on drug into 6th dosing cycle No treatment-related adverse events (TRAEs) or dose-limiting toxicities (DLTs) observed to date, including no rash or gastrointestinal (GI) AEs Systemic... Read More

MIAMI, Sept. 09, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp . (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced the successful completion of long-term chronic toxicity studies in both rats and dogs with its lead candidate... Read More

MIAMI, Sept. 03, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other indications, announced today that Rebecca Brown, M.D., Ph.D. has been appointed as a member of the Company’s Scientific Advisory Board. Dr. Brown... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, Aug. 28, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”) a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other cancer indications, today announced that members of its management team will deliver a company presentation at the... Read More

MIAMI, June 13, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor, for the treatment of neurofibromatosis type 1 (NF1) and other indications, announced today that an independent Safety Review Committee (SRC) has completed its safety review of data from the first dose cohort... Read More

PAS-004 inhibition of in vitro NRAS cell lines does not plateau in contrast to approved MEK inhibitors PAS-004 inhibition of in vitro NRAS cell lines is greater than selumetinib and binimetinib and similar to trametinib PAS-004 shows superior activity versus selumetinib and binimetinib in NRAS xenograft tumor models Poster presentation on Saturday, June 1, 2024 at the ASCO Annual Meeting SOUTH SAN FRANCISCO, Calif. and... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, April 29, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor for the treatment of neurofibromatosis type 1 (NF1) and other indications, today announced the acceptance of an abstract for poster presentation at the American Society of... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, Fla., April 24, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage biotechnology company developing PAS-004, a next-generation macrocyclic MEK inhibitor for the treatment of neurofibromatosis type 1 (NF1) and other indications, today announced the first cohort of 3 patients have commenced dosing. PAS-004 is being evaluated... Read More

Activation of four U.S. sites for Phase 1 clinical trial of PAS-004 to evaluate safety, dose, key biomarker data and preliminary efficacy Plans to open three additional sites in Eastern Europe in the coming months Preliminary interim data expected in 2H 2024 SOUTH SAN FRANCISCO, Calif. and MIAMI, Feb. 13, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical-stage... Read More

Polymorph and Stereoisomer Patents when Issued Extend Portfolio to at least 2045 Polymorph and Stereoisomer Patent Filings Continue to Expand Patent Portfolio SOUTH SAN FRANCISCO, Calif. and MIAMI, Jan. 08, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a clinical stage biotechnology company focused on the discovery, research, and development of innovative treatments for... Read More

PAS-004 is the first macrocyclic MEK inhibitor to enter human clinical trials Phase 1 dose escalation study in patients with MAPK pathway driven advanced solid tumors to begin in Q1 2024 Initial readout expected as early as Q3 2024 SOUTH SAN FRANCISCO, Calif. and MIAMI, Jan. 02, 2024 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery,... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, Dec. 28, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (“Pasithea” or the “Company”) (NASDAQ: KTTA) today announced that its meeting of stockholders, which had been partially adjourned on December 19, 2023, was reconvened on December 28, 2023 (the “Meeting”) and then was further adjourned, without conducting any business, in order to provide stockholders additional time within... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, Dec. 19, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (“Pasithea” or the “Company”) (NASDAQ: KTTA), today announced that it held its annual meeting of stockholders (the “Annual Meeting”) on December 19, 2023. Over 70% of the Company’s shares of common stock were represented at the Annual Meeting. More than 95% of shares voted were cast “for” the election of directors (Proposal... Read More

Preclinical data continues to demonstrate PAS-004’s potentially superior properties as compared to FDA approved MEK inhibitors Once daily dose of PAS-004 delivers anti-tumor efficacy in in vivo NRAS mutation cancer models SOUTH SAN FRANCISCO, Calif. and MIAMI, Dec. 11, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research,... Read More

SOUTH SAN FRANCISCO, Calif. and MIAMI, Nov. 29, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (“Pasithea” or the “Company”) (NASDAQ: KTTA), today announced that its annual meeting of stockholders held on November 29, 2023 (the “Annual Meeting”) was convened and then adjourned, without conducting any business, in order to provide stockholders additional time within which to vote on the proposals described in the... Read More

Company on track to submit PAS-004 IND application in current quarter Pasithea plans to begin PAS-004 Phase 1 dose escalation trial in advanced solid tumor patients harboring RAS, RAF and NF1 mutations SOUTH SAN FRANCISCO, Calif. and MIAMI, Nov. 29, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of... Read More

Blocking of α5β1 integrin has been shown to improve motor function and increase survival in the SOD1 G93A mouse model of ALS Fully humanized anti-α5β1 monoclonal antibody is ready for manufacture and IND-enabling studies SOUTH SAN FRANCISCO, Calif. and MIAMI, Nov. 09, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research,... Read More

PALO ALTO, Calif. and MIAMI, Sept. 14, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, today announced the final results of its previously announced tender offer to acquire up to 5,714,285 shares of its common stock, par value... Read More

Attendees may request 1 x 1 meeting with management at meetings@hcwco.com PALO ALTO, Calif. and MIAMI, Fla., Sept. 07, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, announced today that Pasithea's management team will participate... Read More

PAS-003 is a monoclonal antibody targeting α 5/ β1 integrin for the treatment of amyotrophic lateral sclerosis (“ALS”) Lead α 5/ β1 integrin drug candidate to be selected in H2 2023 PALO ALTO, Calif. and MIAMI, Aug. 01, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for... Read More

PALO ALTO, Calif. and MIAMI, July 20, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, today announced that its Board of Directors (the "Board") has authorized the repurchase, through a $4.0 million tender offer ("Tender Offer"), of... Read More

PALO ALTO, Calif. and MIAMI, July 20, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, today confirmed that an independent special committee (“Special Committee”) of its Board of Directors (“Board”) thoroughly reviewed and rejected... Read More

PALO ALTO, Calif. and MIAMI, June 30, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, confirms its Board of Directors (“Board”) has previously formed a special committee of independent and disinterested directors (the "Special... Read More

PALO ALTO, Calif. and MIAMI, June 29, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (“CNS”) disorders, today announced it has successfully completed manufacturing of GMP-compliant Phase 1 clinical supplies of the active pharmaceutical ingredient... Read More

PALO ALTO, Calif. and MIAMI, June 06, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, confirmed it has received an unsolicited proposal from Lucy Scientific Discovery Inc. (NASDAQ: LSDI) (“Lucy”) to acquire all outstanding shares of... Read More

PALO ALTO, Calif. and MIAMI, June 01, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for central nervous system (CNS) disorders, today announced that pre-clinical results for its lead drug candidate, PAS-004, have been accepted for a poster presentation at the 2023... Read More

PALO ALTO, Calif. and MIAMI, Fla., May 03, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for Central Nervous System (CNS) disorders, today announced its CEO, Tiago Reis Marques, and its VP of Business Development, Mathew Lazarus will participate in the EF Hutton Global... Read More

PALO ALTO, Calif. and MIAMI, Fla., March 02, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for Central Nervous System (CNS) disorders, today announced that Prof. Lawrence Steinman, Pasithea’s Chairman and National Academy of Sciences Professor, will deliver the keynote... Read More

PALO ALTO, Calif. and MIAMI, Feb. 23, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for Central Nervous System (CNS) disorders, today announced that Lawrence Steinman, Pasithea’s Chairman and National Academy of Sciences Professor, will deliver the Dr. Kenneth P. Johnson... Read More

PALO ALTO, Calif. and MIAMI, Fla., Feb. 16, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research, and development of innovative treatments for Central Nervous System (CNS) disorders, today announced that Prof. Lawrence Steinman, Pasithea’s Chairman and National Academy of Sciences Professor, will receive the 2023 Pioneer... Read More

Plans to Initiate a Phase 1 Clinical Trial in the U.S. for Neurofibromatosis Type 1 (NF1) in 2H 2023 MIAMI BEACH, Fla., Jan. 18, 2023 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (NASDAQ: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research and development of innovative treatments for Central Nervous System (CNS) disorders, today announced its contract with WuXi STA, a subsidiary... Read More

MIAMI BEACH, Fla., Dec. 14, 2022 (GLOBE NEWSWIRE) -- Pasithea Therapeutics Corp. (Nasdaq: KTTA) (“Pasithea” or the “Company”), a biotechnology company focused on the discovery, research and development of innovative treatments for central nervous system (CNS) disorders, today announced the final results of the Special Meeting of Stockholders (“Special Meeting”) held on December 9, 2022. According to the certified voting... Read More