Carnitine (L-carnitine, L-carnitine L-tartrate, acetyl-L-carnitine) trials recruiting now

9 registrations that name carnitine as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.

Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.

Filter 9 registrations

Status

Phase

3US sites across 2 states

All 9 registrations

RecruitingNCT06845046

A Study to Improve Skeletal Muscle in Veterans With HIV

  • No phase
  • VA Office of Research and Development
  • About 70 people
  • Started Jul 15, 2025

In plain words A study of carnitine in male participants 20 to 80, run by VA Office of Research and Development. It plans to enroll about 70 people at 1 US site.

Who it lists and where

Who the trial lists, as registered

Lists male participants 20 to 80. Conditions: HIV; Obesity.

  • Veteran
  • HIV+
  • antiretroviral therapy = integrase strand transfer inhibitor for at least 3 months
  • HIV-1 RNA <50 copies/ml

2 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

w-3 fatty acid; L-carnitine; Control Diet

Registered summary

The Department of Veterans Affairs is the largest single provider of medical care to people with HIV in the United States. The condition of excess lipid within and around muscle, termed myosteatosis, predisposes Veterans to physical function decline, frailty, disability, and cardiometabolic diseases such as diabetes and cardiovascular disease. In the investigators current Merit supported cohort, the investigators found that 36% of Veterans with treated HIV and obesity have "myosteatotic type obesity". The full summary is on the listing.

Where, as registered

1 US site in 1 state.

RecruitingNCT07437391

Effect of L-Carnitine Supplementation in Preterm Neonates

  • No phase
  • Muhammad Aamir Latif
  • About 160 people
  • Started Jan 1, 2026

In plain words A study of carnitine in people 1 hour to 24 hours, run by Muhammad Aamir Latif. It plans to enroll about 160 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 1 hour to 24 hours. Conditions: Respiratory Distress Syndrome.

  • Preterm neonates
  • Either gender
  • With RDS
  • Admitted to the neonatal intensive care unit (NICU) within 24 hours of birth .

The exclusion criteria are on the listing.

What it tests, as registered

L-carnitine; Standard care

Registered summary

The current study is planned to see the effect of L-carnitine supplementation in preterm neonates suffering from RDS among the local population, as there is no such evidence available for the local population and there are conflicting statistics regarding the discharge rate of these neonates.

Where, as registered

No US site; Pakistan (1).

RecruitingNCT07298564

Effect of Magnesium and Levocarnitine on Metabolic and Clinical Outcomes in Women With Polycystic Ovarian Syndrome (PCOS)

  • No phase
  • Behnood Abbasi
  • About 84 people
  • Starts Jan 30, 2026 (estimated)

In plain words A study of carnitine in female participants 19 to 65, run by Behnood Abbasi. It plans to enroll about 84 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists female participants 19 to 65. Conditions: Polycystic Ovary Syndrome (PCOS).

  • Age between 19 and 65 years.
  • Diagnosis of polycystic ovary syndrome (PCOS) according to the Rotterdam criteria.

The exclusion criteria are on the listing.

What it tests, as registered

Magnesium 500 mg; Levocarnitine 1000 mg; Placebo; Magnesium 500 mg; Placebo Levocarnitine

Registered summary

Polycystic Ovary Syndrome (PCOS) is one of the most common endocrine disorders among women of reproductive age and is associated with metabolic abnormalities such as insulin resistance, dyslipidemia, and hormonal imbalance, which may lead to infertility and hirsutism. Despite the availability of several pharmacological treatments, many therapies fail to effectively address the underlying metabolic and endocrine dysfunctions of PCOS. The full summary is on the listing.

Where, as registered

No US site; Iran (1).

RecruitingNCT07783399

The Effects of Carnitine Supplementation on Oocytes in Women Undergoing IVF Process

  • No phase
  • The Obstetrics and Gynaecology Clinic Narodni Front
  • About 70 people
  • Started May 15, 2026

In plain words A study of carnitine in female participants 18 to 45, run by The Obstetrics and Gynaecology Clinic Narodni Front. It plans to enroll about 70 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists female participants 18 to 45. Conditions: Infertility (IVF Patients).

  • women undergoing IVF process
  • women aged 18-45 years

The exclusion criteria are on the listing.

What it tests, as registered

L-Carnitine Group

Registered summary

The goal of this clinical trial is to learn whether supplementation with L-carnitine improves outcomes in women undergoing in vitro fertilization (IVF). It will also evaluate the effect of supplementation on oocyte quality, embryo quality, and pregnancy rates. The full summary is on the listing.

Where, as registered

No US site; Serbia (1).

RecruitingNCT06753565

L-carnitine Supplementation in Rheumatoid Arthritis Patients

  • Phase 2
  • German University in Cairo
  • About 60 people
  • Started Dec 31, 2024

In plain words A Phase 2 study of carnitine in people 18 to 60, run by German University in Cairo. It plans to enroll about 60 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 to 60. Conditions: Rheumatoid Arthritis (RA).

  • age between 18-60 years old
  • diagnosed of rheumatoid arthritis according to 2010 American College of Rheumatology/European League Against Rheumatism criteria for at least 6 months
  • enrolled patients treated with one of more of conventional DMARDs for ≥ 6 months with stable dose for ≥ 1 month before start of the study
  • active RA despite conventional DMARDs treatment (DAS28 ESR more than or equal 3.2)

1 more inclusion criterion and the exclusion criteria are on the listing.

What it tests, as registered

Carnitine; Disease-modifying anti-rheumatic drugs

Registered summary

This study aims to evaluate the effect of l-carnitine as add- on therapy for improving the outcome in rheumatoid arthritis patients.

Where, as registered

No US site; Egypt (1).

RecruitingNCT07108777

L-Carnitine Protective Effect in Nephrotoxicity

  • Phase 2
  • Tanta University
  • About 46 people
  • Started Aug 10, 2025

In plain words A Phase 2 study of carnitine in people 18 to 75, run by Tanta University. It plans to enroll about 46 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 to 75. Conditions: Nephrotoxicity.

  • Male or female patients.
  • Newly diagnosed patients with cancer and with an indication for cisplatin - based chemotherapy.
  • Age between 18 and 75 years.
  • No serious cardiopulmonary comorbidity which could impair involvement in the study.

3 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

L-Carnitine Tartrate; Placebo

Registered summary

The goal of this clinical trial is to assess the possible reno-protective effect of L-carnitine against cisplatin-induced nephrotoxicity in patients receiving cisplatin-based chemotherapy. The main question it aims to answer is: Does L-carnitine have the ability to protect the kidney against cisplatin-induced nephrotoxicity?

Where, as registered

No US site; Egypt (1).

RecruitingNCT07201714

Oral Carnitine in Heart Failure Patients

  • Early phase 1
  • London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
  • About 20 people
  • Started Nov 12, 2025

In plain words An early phase 1 study of carnitine in people 18 and older, run by London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's. It plans to enroll about 20 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Heart Failure; Carnitine Deficiency.

  • Clinical-pathological diagnosis of heart failure with some degree of cardiorenal syndrome
  • Stage 1, 2, 3a, 3b, or 4 chronic kidney disease
  • Age ≥ 18 years
  • Able to speak and read English

1 more inclusion criterion and the exclusion criteria are on the listing.

What it tests, as registered

Levocarnitine

Registered summary

Heart failure is a condition in which the heart is unable to pump blood effectively, leading to symptoms like being more tired, shortness of breath, and swelling in the body. Carnitine is a naturally occurring substance in the body that plays a role in turning fat into energy. This study will determine whether oral L-Carnitine supplementation can improve symptoms, enhance heart function and possibly improve the quality of life in individuals with heart failure.

Where, as registered

No US site; Canada (1).

Not yet recruitingNCT07216001

Role of Omega-DEK in Childhood Apraxia of Speech

  • Phase 2
  • Claudia R. Morris
  • About 34 people
  • Starts Nov 2026 (estimated)

In plain words A Phase 2 study of carnitine in people 36 months to 6, run by Claudia R. Morris. It plans to enroll about 34 people at 2 US sites.

Who it lists and where

Who the trial lists, as registered

Lists people 36 months to 6. Conditions: Childhood Apraxia of Speech; Verbal Apraxia; Autism.

  • Confirmed diagnosis of childhood apraxia of speech/verbal apraxia by a qualified professional (SLP) based on established guidelines
  • Male and female, age 36 months - 6 years (inclusive)
  • Ability to comprehend and use Standard American English

The exclusion criteria are on the listing.

What it tests, as registered

Omega-DEK; L-carnitine; Placebo

Registered summary

This is a 20-week study for children between 3 and 6 years old with confirmed childhood apraxia of speech (CAS). The study includes a 12-week open-label pilot feasibility study of an investigational drug (Omega-DEK) plus L-carnitine (Carnitor®), which is followed by an 8-week randomized, placebo-controlled discontinuation period among the same study participants.

Where, as registered

2 US sites in 1 state.

Not yet recruitingNCT07035444

Enteral Nutrition With L-Carnitine for Cachexia in Non-Small Cell Lung Cancer

  • No phase
  • Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
  • About 126 people
  • Starts Jun 30, 2025 (estimated)

In plain words A study of carnitine in people 18 and older, run by Daping Hospital and the Research Institute of Surgery of the Third Military Medical University. It plans to enroll about 126 people at 1 site, none in the US.

Who it lists and where

Who the trial lists, as registered

Lists people 18 and older. Conditions: Non-Small Cell Lung Cancer; Cachexia.

  • 1\. Primary lung tumor confirmed by cytology or histology; 2.Meeting the diagnostic criteria for cachexia (with one of the following criteria):
  • Weight loss >5% in the past 6 months (without active weight loss);
  • Body mass index (BMI) <20 and weight loss >2%;
  • Decreased total skeletal muscle index (detected by bioelectrical impedance analysis: <7.26 kg/m² for males; <5.45 kg/m² for females) and weight loss >2%; 3.Age ≥18 years; 4.Patients scheduled to receive or currently undergoing…

7 more inclusion criteria and the exclusion criteria are on the listing.

What it tests, as registered

L-Carnitine 4g; Enteral Nutrition

Registered summary

This is a multicenter, double-blind randomized controlled clinical study designed to evaluate the efficacy and safety of oral nutritional supplements (ONS) containing levocarnitine for cachexia in lung cancer patients scheduled for or undergoing chemotherapy. Study Design: Recruitment: Approximately 126 pathologically confirmed patients meeting the inclusion criteria will be enrolled across four hospitals (Army Characteristic Medical Center, Chongqing Fifth People's Hospital, Chongqing Thirteenth People's Hospital, and Chongqing Qianjiang District Central Hospital). The full summary is on the listing.

Where, as registered

No US site; China (1).

ClinicalTrials.gov lists 24 open registrations for this search, including ones where carnitine is not a study arm or that are past the 9 we keep. Search them on ClinicalTrials.gov (opens in new tab).

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