A Phase 2 Study to Evaluate the Efficacy and Safety of TNX-102 SL in Patients With Multi-Site Pain Associated With Post-Acute Sequelae of SARS-CoV-2 Infection (PREVAIL)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05472090 |
Recruitment Status :
Recruiting
First Posted : July 25, 2022
Last Update Posted : November 10, 2022
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Condition or disease | Intervention/treatment | Phase |
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Post-Acute Sequelae of SARS-CoV-2 (PASC) Infection COVID-19 Long COVID Long Haul COVID | Drug: TNX-102 SL Drug: Placebo SL Tablet | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 470 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2, 14-week Double-Blind, Randomized, Multicenter, Placebo-Controlled Study to Evaluate the Efficacy and Safety of TNX-102 SL Taken Daily at Bedtime in Patients With Multisite Pain Associated With Post-Acute Sequelae of SARS-CoV-2 Infection (PASC) |
Actual Study Start Date : | August 18, 2022 |
Estimated Primary Completion Date : | October 2023 |
Estimated Study Completion Date : | October 2023 |

Arm | Intervention/treatment |
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Experimental: TNX-102 SL Tablet, 5.6 mg
1 x TNX-102 SL 2.8 mg Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x TNX-102 SL 2.8 mg (5.6 mg) Tablet taken sublingually each day at bedtime for 12 weeks.
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Drug: TNX-102 SL
Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks. |
Placebo Comparator: Placebo SL Tablet
1 x Placebo Tablet taken sublingually each day at bedtime for 2 weeks, then 2 x Placebo Tablet taken sublingually each day at bedtime for 12 weeks.
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Drug: Placebo SL Tablet
Patients will take 1 tablet of randomly assigned study drug sublingually starting on Day 1 for 2 weeks. At the Week 2 visit, all patients will have the dose increased to 2 tablets for 12 weeks. |
- Mean Pain Score [ Time Frame: Week 14 ]Change from Baseline in the diary Numeric Rating Scale (NRS) weekly average of daily self-reported worst Long COVID pain intensity scores at the Week 14 endpoint. Scores range from 0 to 10 where a higher score means worse outcome.
- Patient Reported Outcomes Measurement Information System (PROMIS) score for sleep disturbance [ Time Frame: Week 14 ]Change from Baseline in the Patient Reported Outcomes Measurement Information System (PROMIS) score for sleep disturbance at the Week 14 endpoint. This form consists of 8 items in a 1-5 Likert scale. A higher score means a worse outcome.

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Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Major Inclusion Criteria:
- The patient is male or female, 18 to 65 years of age, inclusive.
- The patient has a polymerase chain reaction (PCR) confirmed history of SARS-CoV-2 infection at least 3 months prior to enrollment, based on a documented written positive viral test at the time of active infection.
- The patient has new onset or significant worsening of pain that coincides with a prior COVID-19 infection and has symptoms that have been generally present for at least 3 months but no longer than 18 months.
Major Exclusion Criteria:
- The patient has been diagnosed with infectious or inflammatory arthritis (eg, rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis), systemic lupus erythematosus, untreated or active gout (ie, any acute attack within past 2 years is exclusionary), or meets criteria for another type of systemic autoimmune disease (eg, Sjogren's disease).
- The patient has been diagnosed with a complex regional pain syndrome, fibromyalgia, failed back surgery syndrome, persistent or prevalent pain symptoms related to systemic disease (eg, diabetic peripheral neuropathy, post-herpetic neuropathy), untreated hyperparathyroidism, or a history of prior surgery, trauma, organ or tissue damage, or other source of pain that, in the Investigator's opinion, would confound or interfere with the assessment of the patient's symptoms or require excluded therapies during the patient's study participation.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05472090
Contact: Clinical Program Manager | 212-980-9155 | megha.tevar@tonixpharma.com |
United States, Alabama | |
Accel Research-Birmingham Clinical Research Unit | Recruiting |
Birmingham, Alabama, United States, 35216 | |
Contact: Halie Youn 205-757-8208 ext 626 hyoun@accelclinical.com | |
Contact: Connie (205) 757-8212 cmoya@accelclinical.com | |
Principal Investigator: Hayes M Williams, MD | |
United States, California | |
Tonix Clinical Site | Recruiting |
Oceanside, California, United States, 92056 | |
Contact: Al-malik Edwards aedwards@excellresearch.com | |
Principal Investigator: Sherry Soefje | |
Tonix Clinical Site | Recruiting |
Santa Ana, California, United States, 92705 | |
Contact: Olivia Molina 714-542-3008 ext 305 Omolina@syrentis.com | |
Principal Investigator: John Gregory Duffy | |
United States, Colorado | |
Tonix Clinical Site | Not yet recruiting |
Centennial, Colorado, United States, 80112 | |
Contact: Maureen Collins 303-771-9000 ext 1248 mcollins@immunoe.com | |
Principal Investigator: Isaac Melamed | |
United States, Florida | |
Tonix Clinical Site | Not yet recruiting |
Aventura, Florida, United States, 33180 | |
Contact: Norman Gaylis 305-932-4295 info@rheum-care.com | |
Principal Investigator: Norman Gaylis | |
Tonix Clinical Site | Recruiting |
Fort Myers, Florida, United States, 33912 | |
Contact: Desiree Hinson 239-561-0009 desiree@gulfcoastclinicalresearch.com | |
Contact: Meghan Corbett 239-561-0009 Meghan@gulfcoastclinicalresearch.com | |
Principal Investigator: Zaheer Aslam | |
Tonix Clinical Site | Recruiting |
Orlando, Florida, United States, 32801 | |
Contact: William Lewis 407-425-5100 | |
Principal Investigator: Robert Molpus | |
Tonix Clinical Site | Recruiting |
Saint Petersburg, Florida, United States, 33709 | |
Contact: Michelle Reader 727-521-9137 ext 0703 michelle.reader@imaresearch.com | |
Principal Investigator: Howard Chipman | |
United States, Georgia | |
Tonix Clinical Site | Not yet recruiting |
Alpharetta, Georgia, United States, 30022 | |
Tonix Clinical Site | Recruiting |
Atlanta, Georgia, United States, 30329 | |
United States, Illinois | |
Tonix Clinical Site | Not yet recruiting |
Chicago, Illinois, United States, 60625 | |
United States, Iowa | |
Tonix Clinical Site | Recruiting |
Des Moines, Iowa, United States, 50265 | |
Contact: Shelby Simpson 515-223-2300 ssimpson@ictsiowa.com | |
Contact: Rachel Thomas | |
Principal Investigator: Kathleen Gannon | |
Tonix Clinical Site | Not yet recruiting |
Iowa City, Iowa, United States, 52242 | |
United States, Kansas | |
Tonix Clinical Site | Not yet recruiting |
Prairie Village, Kansas, United States, 66208 | |
Contact: Kristi Lakey 913-381-7180 klakey@cmr-kc.com | |
Contact: Rebecca Thomas | |
Principal Investigator: Haydn Mikel Thomas | |
United States, Louisiana | |
Tonix Clinical Site | Recruiting |
New Orleans, Louisiana, United States, 70124 | |
Contact: Patrick Dennis 504-336-2667 | |
Principal Investigator: Patrick Dennis | |
Tonix Clinical Site | Recruiting |
Prairieville, Louisiana, United States, 70769 | |
Contact: Taylor Sanders 225-412-0316 | |
Principal Investigator: Taylor Sanders | |
United States, Massachusetts | |
Tonix Clinical Site | Not yet recruiting |
Boston, Massachusetts, United States, 02115 | |
Tonix Clinical Site | Recruiting |
Boston, Massachusetts, United States, 02131 | |
Contact: Joanne Monaghan 617-477-4868 Joanne.Monaghan@bostontrials.com | |
Principal Investigator: Irina Mezhebovsky | |
Tonix Clinical Site | Recruiting |
Methuen, Massachusetts, United States, 01844 | |
Contact: Ashley Kennedy 978-655-7155 ashley.kennedy@activmedresearch.com | |
Principal Investigator: Michael McCartney | |
United States, Mississippi | |
Tonix Clinical Site | Recruiting |
Gulfport, Mississippi, United States, 39503 | |
Contact: DelRicht 504-336-2667 info@delricht.com | |
Principal Investigator: Sean Kerby | |
United States, New Mexico | |
Tonix Clinical Site | Recruiting |
Albuquerque, New Mexico, United States, 87109 | |
Contact: Shawn Johansson 505-848-3773 | |
Principal Investigator: Paul Lane | |
United States, New York | |
Tonix Clinical Site | Recruiting |
New York, New York, United States, 10036 | |
Contact: Ameenah Gaston 646-722-6214 Ameenah.Gaston@imaresearch.com | |
Principal Investigator: James Greenwald | |
Tonix Clinical Site | Recruiting |
Williamsville, New York, United States, 14221 | |
Contact: Kaylie Briner 716-626-6320 upstatekaylie@gmail.com | |
Principal Investigator: James Wild | |
United States, North Carolina | |
Tonix Clinical Site | Recruiting |
Shelby, North Carolina, United States, 28150 | |
Contact: Stephanie Hamrick 704-487-5228 ext 31 stephaniehamrickcrc@gmail.com | |
Contact: Lisa s Mauney 704-487-5228 ext 14 | |
Principal Investigator: Stephen W Jones | |
United States, Ohio | |
Tonix Clinical Site | Recruiting |
Columbus, Ohio, United States, 43215 | |
Contact: Jennifer Botte 614-487-2560 info@remdavis.com | |
Principal Investigator: Edward Cordasco | |
Tonix Clinical Site | Not yet recruiting |
Dayton, Ohio, United States, 45432 | |
Contact: Priyesh Mehta pmehta@metamedresearch.com | |
Principal Investigator: Priyesh Mehta | |
United States, Oklahoma | |
Tonix Clinical Site | Recruiting |
Tulsa, Oklahoma, United States, 74133 | |
United States, Texas | |
Tonix Clinical Site | Not yet recruiting |
Austin, Texas, United States, 78737 | |
Contact: Kara Feary 512-521-0595 | |
Principal Investigator: Donal Garcia | |
Tonix Clinical Site | Recruiting |
McKinney, Texas, United States, 75070 | |
Contact: Jennifer Zomnir 972-807-5787 | |
Principal Investigator: Jennifer Zomnir |
Study Director: | Herb Harris, MD, PhD | Tonix Pharmaceuticals |
Responsible Party: | Tonix Pharmaceuticals, Inc. |
ClinicalTrials.gov Identifier: | NCT05472090 |
Other Study ID Numbers: |
TNX-CY-PA201 |
First Posted: | July 25, 2022 Key Record Dates |
Last Update Posted: | November 10, 2022 |
Last Verified: | November 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Multi-site pain Sleep disturbance PASC |
COVID-19 Long COVID Coronavirus infections |
Infections Communicable Diseases COVID-19 Disease Attributes Pathologic Processes Respiratory Tract Infections Pneumonia, Viral Pneumonia |
Virus Diseases Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |