WO2019159005A3 - Method of treating pain comprising repeated administrations of tetrodotoxin over time - Google Patents

Method of treating pain comprising repeated administrations of tetrodotoxin over time Download PDF

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Publication number
WO2019159005A3
WO2019159005A3 PCT/IB2019/000164 IB2019000164W WO2019159005A3 WO 2019159005 A3 WO2019159005 A3 WO 2019159005A3 IB 2019000164 W IB2019000164 W IB 2019000164W WO 2019159005 A3 WO2019159005 A3 WO 2019159005A3
Authority
WO
WIPO (PCT)
Prior art keywords
tetrodotoxin
treating pain
over time
repeated administrations
subsequent
Prior art date
Application number
PCT/IB2019/000164
Other languages
French (fr)
Other versions
WO2019159005A2 (en
Inventor
Donald C.k. WONG
Walter N. KORZ
Christopher C. Gallen
Original Assignee
Wex Pharmaceuticals Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wex Pharmaceuticals Inc. filed Critical Wex Pharmaceuticals Inc.
Publication of WO2019159005A2 publication Critical patent/WO2019159005A2/en
Publication of WO2019159005A3 publication Critical patent/WO2019159005A3/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/529—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim forming part of bridged ring systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca

Abstract

Methods of treating pain comprising an initial administration of tetrodotoxin followed by subsequent administrations after a period of time to maintain analgesia. Both the initial administration and subsequent administration of tetrodotoxin may be carried out over multiple days, with dosing taking place multiple times each day. The initial and subsequent administrations may use the same or different routes. Additional pharmaceutically active ingredients may also be included in the subsequent administrations of tetrodotoxin.
PCT/IB2019/000164 2018-02-15 2019-02-15 Tetrodotoxin multidose methods of treatment WO2019159005A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862631088P 2018-02-15 2018-02-15
US62/631,088 2018-02-15
US201962802762P 2019-02-08 2019-02-08
US62/802,762 2019-02-08

Publications (2)

Publication Number Publication Date
WO2019159005A2 WO2019159005A2 (en) 2019-08-22
WO2019159005A3 true WO2019159005A3 (en) 2019-09-26

Family

ID=67619842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2019/000164 WO2019159005A2 (en) 2018-02-15 2019-02-15 Tetrodotoxin multidose methods of treatment

Country Status (1)

Country Link
WO (1) WO2019159005A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097358A2 (en) * 2005-03-18 2006-09-21 Wex Pharmaceuticals, Inc. Analgesic combination of sodium channel blockers with opioid antagonists
WO2007025212A2 (en) * 2005-08-25 2007-03-01 Wex Pharmaceuticals, Inc. Use of sodium channel blockers for the treatment of visceral pain or pain caused by cancer treatment
WO2007025213A2 (en) * 2005-08-25 2007-03-01 Wex Pharmaceuticals, Inc. Use of sodium channel blockers for the management of musculoskeletal pain

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097358A2 (en) * 2005-03-18 2006-09-21 Wex Pharmaceuticals, Inc. Analgesic combination of sodium channel blockers with opioid antagonists
WO2007025212A2 (en) * 2005-08-25 2007-03-01 Wex Pharmaceuticals, Inc. Use of sodium channel blockers for the treatment of visceral pain or pain caused by cancer treatment
WO2007025213A2 (en) * 2005-08-25 2007-03-01 Wex Pharmaceuticals, Inc. Use of sodium channel blockers for the management of musculoskeletal pain

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HAGEN ET AL., CURRENT ONCOLOGY, vol. 18, no. 3, 2011, pages e110 - e116 *
HAGEN ET AL.: "Tetrodotoxin for Moderate to Severe Cancer-Related Pain: A Multicentre, Randomized, Double-Blind, Placebo-Controlled, Parallel-Design Trial", PAIN RESEARCH AND MANAGEMENT, vol. 2017, 7212713, 7 May 2017 (2017-05-07), XP055636697 *

Also Published As

Publication number Publication date
WO2019159005A2 (en) 2019-08-22

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