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. 2023 Jun 21;31(6):2807–2817. doi: 10.1007/s10787-023-01204-1

Table 2.

Ongoing clinical trials on Long COVID (ClinicalTrials.gov website)*

NCT number Title Interventions
1 NCT05618587 Effect of Lithium Therapy on Long COVID Symptoms

Drug: Lithium

Drug: Placebo

2 NCT04997395 Feasibility of Cannabidiol for the Treatment of Long COVID Drug: MediCabilis Cannabis sativa 50
3 NCT05595369 SARS CoV-2 Viral Persistence Study (PASC)—Study of Long COVID-19

Drug: Paxlovid

Drug: Placebo

4 NCT05576662 Paxlovid for Treatment of Long Covid Drug: Nirmatrelvir + Ritonavir Drug: Placebo + Ritonavir
5 NCT05220280 SOLIDARITY Finland Plus Long-COVID

Drug: Imatinib

Drug: Infliximab

6 NCT05513560 Canadian Adaptive Platform Trial for Long COVID-19

Drug: Ibudilast

Drug: Pentoxifylline

Other: Placebo

7 NCT04978259 SOLIDARITY Finland Long-COVID (Remdesivir Long-term Follow-up Study of COVID Patients) Drug: Remdesivir
8 NCT05592418 Study to Evaluate the Efficacy and Safety of Ampligen in Patients With Post-COVID Conditions

Drug: Rintatolimod

Other: Placebo/Normal Saline

9 NCT04604704 Pilot Study Into LDN and NAD + for Treatment of Patients With Post-COVID-19 Syndrome

Drug: Naltrexone

Dietary Supplement: NAD + 

10 NCT05216614 Fluvoxamine to Augment Olfactory Recovery For Long COVID-19 Parosmia

Drug: Fluvoxamine

Drug: Placebo

11 NCT04695704 Efficacy of Montelukast in Mild-moderate Respiratory Symptoms in Patients With Long-COVID-19:

Drug: Montelukast

Other: placebo

12 NCT04948203 Assessing the Efficacy of Sirolimus in Patients With COVID-19 Pneumonia for Prevention of Post-COVID Fibrosis Drug: Sirolimus
13 NCT05507372 Treatment for post acute COVID-19 Syndrome Drug: Pimozide
14 NCT04904536 Statin TReatment for COVID-19 to Optimise NeuroloGical recovERy

Drug: Atorvastatin

Other: Standard Care

15 NCT05497089 Temelimab as a Disease Modifying Therapy in Patients With Neuropsychiatric Symptoms in Post-COVID 19 or PASC Syndrome

Drug: Temelimab

Drug: Placebo

16 NCT05350774 Immunotherapy for Neurological Post-Acute Sequelae of SARS-CoV-2

Drug: IV immunoglobulin Drug: IV normal saline

Drug: IV methylprednisolone

17 NCT05430152 Low-dose Naltrexone for Post-COVID Fatigue Syndrome Drug: Low-Dose Naltrexone Other: Placebo
18 NCT05096884 Post-Acute Sequelae of Coronavirus-19 (COVID-19) With Dyspnea on Exertion And Associated TaChycardia TrEatment Study Drug: Metoprolol Succinate
19 NCT05047952 Vortioxetine for post-COVID-19 Condition

Drug: Vortioxetine

Drug: Placebo

20 NCT05228899 Zofin to Treat COVID-19 Long Haulers

Drug: Zofin

Other: Placebo

21 NCT05052307 A Real-world Evidence Study of BNT162b2 mRNA Covid-19 Vaccine in Brazil Drug: Pfizer/BioNTech BNT162b2 mRNA COVID-19 vaccine, CoronaVac COVID-19 vaccine, ChAdOx1 nCoV-19 vid-19 Vaccine, Janssen COVID-19 Vaccine

*In the ClinicalTrials.gov database, on 29.11.2022, 333 hits were recived for the search term “long covid”. Among the ongoing clinical trials, drug intervention was performed in 21 cases. For scope reasons, studies using drugs and dietary supplements in the experimental stage have not been included in the table