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HIVCOCOMONCT02382822

Copenhagen Comorbidity in HIV Infection Study

An observational study of HIV and COPD, run by Susanne Dam Nielsen, MD, DMSc at 2 sites in Denmark.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

Despite efficient antiretroviral treatment for HIV infection, decrease in life expectancy remains. Excess mortality is mainly due to non-AIDS co-morbidity including cardiovascular, pulmonary, and liver related diseases. Both HIV-unrelated and HIV-related risk factors probably contribute to this pattern. Read more about this study

Who is it for?
Ages 20 to 100 years
Conditions the study is for
HIV, COPD, CVD
How many people
1,099 participants
Where
2 sitesDenmark
Study dates
1 Feb 2015to 31 Dec 2035
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 100 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: HIV infected patients.

Who may be able to join

  • signed informed consent
  • HIV infected
  • aged 20-100 years

Who cannot join

  • patients that are unable to understand information material
  • Computed tomography (CT):
  • contraindications to CT and contrast (i.e. pregnancy, renal impairment, allergy to contrast media, allergy or contraindication to beta blocking agent, body weight more than 120kg, evidence of ongoing myocardial ischemia, heart rhythm precluding EKG gating)
  • Spirometry:
  • relative contraindications to spirometry (i.e. chest, abdominal or eye surgery within the 3 months before baseline spirometry, and known retinal detachment)
  • allergy or contraindications to salbutamol (i.e. >110 bpm, or a known uncontrolled cardiac condition (i.e. unstable coronary artery disease, decompensated heart failure)
Show all 14Show fewer
  • a respiratory illness with at least two symptoms of breathlessness, cough, wheezing, or increase in sputum production within 6 weeks.
  • MRI:
  • Implants (e.g. pacemaker, coclea implants, insulin pumps)
  • Claustrophobia
  • Pregnancy
  • Liver Biopsy:
  • Risk of bleeding
  • Infection in puncture site

Trial locations and contacts

2 sites in 1 country.

Denmark2 sites
  • Copenhagen University Hospital - Rigshospitalet

    Copenhagen, 2100

  • Copenhagen University Hospital - Amager and Hvidovre

    Hvidovre

Other trials in Denmark

About this study

Despite efficient antiretroviral treatment for HIV infection, decrease in life expectancy remains. Excess mortality is mainly due to non-AIDS co-morbidity including cardiovascular, pulmonary, and liver related diseases. Both HIV-unrelated and HIV-related risk factors probably contribute to this pattern. At present, most evidence regarding co-morbidity in HIV infection rely on cross-study comparisons of HIV-infected persons with published population rates and few prospective studies in U.S. cohorts. Using well characterized participants from the Copenhagen General Population Study (CGPS) as controls, we aim to include >1500 HIV-infected persons in the COCOMO study to determine if co-morbidity is more prevalent or develops at a higher rate in HIV-infected persons. The study will asses 1) cardiovascular, 2) pulmonary and 3) liver-related co-morbidity using uniformly collected data in the two cohorts. The investigators aim to study the relative impact of HIV-unrelated and HIV-related factors on development of co-morbidity.

Read the detailed description

Primary hypothesis:

Cardiovascular disease:

  • HIV infection is independently associated with higher prevalence of coronary atherosclerosis (assessed by CT angiography)

Obstructive pulmonary disease:

  • HIV infection is independently associated with higher prevalence of COPD, and independently associated with loss of lung function

Liver disease:

  • HIV infection is independently associated with liver steatosis, steatohepatitis and liver fibrosis

Lipid and fat metabolism:

  • HIV infection is independently associated with alterations in adipose fat tissue and dyslipidemia

Secondary hypothesis:

Cardiovascular disease:

  • Viral load and CD4 are independently associated with coronary atherosclerosis (assessed by CT angiography) in HIV-infected individuals.
  • Levels of inflammatory markers can predict coronary atherosclerosis in HIV-infected individuals.
  • Microbial translocation and metabolism are associated with coronary atherosclerosis in HIV-infected individuals.
  • Endothelial dysfunction (assessed by arterial elastography) can predict coronary atherosclerosis in HIV-infected individuals

Obstructive pulmonary disease:

  • Viral load and CD4 is independently associated with emphysema
  • HIV is independently associated with pulmonary hypertension (assessed by CT angiography), and obstructive lung disease is independently associated with airway obstruction
  • PCP colonization in HIV infected patients is independently associated with obstructive lung disease, emphysema and loss of lung function.
  • Inflammatory markers in HIV infected patients are associated with obstructive lung disease and loss of lung function
Conditions
HIV, COPD, CVD, Liver Disease
Being tested
No intervention.
Medical subject headings
Pulmonary Disease, Chronic Obstructive, Liver Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • No intervention.Other

Study groups in NCT02382822
Study groupRoleWhat they receive
HIV infectedExposure to: Computed tomography(CT) of chest and upper abdomen, CT angiography(CTa) of heart, spirometry, mouth wash, eNO assessment, ankle brachial pressure index, fibroscan, blood sampling
Receives: Other: No intervention.
HIV uninfectedExposure to: Computed tomography(CT) of chest and upper abdomen, CT angiography(CTa) of heart, spirometry, eNO assessment, ankle brachial pressure index, blood sampling
Receives: Other: No intervention.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Coronary atherosclerosis

    Prevalence of coronary atherosclerosis; electrocardiographic abnormalities and peripheral artery disease

    Measured: Baseline cross-sectional data and after 2 years follow-up

  2. Obstructive pulmonary disease

    Emphysema, airflow limitation,

    Measured: Baseline cross-sectional data and after 2 years follow-up

  3. Liver disease

    Prevalence of hepatic steatosis, steatohepatitis and liver fibrosis

    Measured: Baseline cross-sectional data and after 2 years follow-up

  4. Lipid and fat metabolism

    Visceral adipose tissue, dyslipidemia, gut microbiota

    Measured: Baseline cross-sectional data and after 2 years follow-up

  5. Inflammation and clonal hematopoiesis

    Cytokines (e.g. IL-6, TNF-alfa), cell subsets (e.g. Tregs, Th17)

    Measured: Baseline cross-sectional data and after 2 years follow-up

Secondary outcomes (5)
  1. Emphysema, P. jirovecii colonization

    Secondary pulmonary outcome measures

    Measured: Baseline data(cross-sectional data)

  2. Depression

    Major Depression Inventory Score, kynurenin/tryptophan ratio

    Measured: Baseline data (cross-sectional data)

  3. Bone metabolism

    Bone mineral density

    Measured: Baseline data(cross-sectional data) assessed after two years

  4. Hematological abnormalities

    Anemia, trombocytopenia, leukopenia

    Measured: Baseline data(cross-sectional data)

  5. Renal function

    Kidney function

    Measured: Baseline data(cross-sectional data)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Mar 2015 (estimated)
  2. Study start1 Feb 2015
  3. Primary completion31 Dec 2026 (estimated)
  4. Study completion31 Dec 2035 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
1,099 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02382822
Sponsor's protocol ID
H-8-2014-004
Acronym
COCOMO
Status last verified
Aug 2026
First submitted
3 Mar 2015
Last updated
12 Aug 2026
Results posted
No
Data monitoring committee
Yes

Publications

  • Heidari SL, Loft JA, Colak Y, Afzal S, Nordestgaard BG, Benfield T, Kunisaki KM, Nielsen SD, Ronit A. Prevalence and Risk Factors of Preserved Ratio Impaired Spirometry in People With HIV and Matched Population Control Participants. Chest. 2026 Jun 18:S0012-3692(26)00871-8. doi: 10.1016/j.chest.2026.05.044. Online ahead of print.

    PubMed 42314937
  • Stoltz TT, Jensen AMR, Roed AKH, Frikke-Schmidt R, Knudsen AD, Suarez-Zdunek MA, Benfield T, Nordestgaard BG, Kamstrup PR, Ostrowski SR, Tr Seid M, Afzal S, Nielsen SD. Plasma levels of lipoprotein(a) in persons with HIV compared to the general population. AIDS. 2026 Jan 1;40(1):35-42. doi: 10.1097/QAD.0000000000004349. Epub 2025 Sep 18.

    PubMed 40971414
  • Thudium RF, Ringheim H, Ronit A, Hoel H, Benfield T, Mocroft A, Gerstoft J, Troseid M, Borges AH, Ostrowski SR, Vestbo J, Nielsen SD. Independent Associations of Tumor Necrosis Factor-Alpha and Interleukin-1 Beta With Radiographic Emphysema in People Living With HIV. Front Immunol. 2021 Apr 14;12:668113. doi: 10.3389/fimmu.2021.668113. eCollection 2021.

    PubMed 33936110
  • Kirkegaard-Klitbo DM, Thomsen MT, Gelpi M, Bendtsen F, Nielsen SD, Benfield T. Hepatic Steatosis Associated With Exposure to Elvitegravir and Raltegravir. Clin Infect Dis. 2021 Aug 2;73(3):e811-e814. doi: 10.1093/cid/ciab057.

    PubMed 33493297
  • Ronit A, Lundgren J, Afzal S, Benfield T, Roen A, Mocroft A, Gerstoft J, Nordestgaard BG, Vestbo J, Nielsen SD; Copenhagen Co-morbidity in HIV infection (COCOMO) study group. Airflow limitation in people living with HIV and matched uninfected controls. Thorax. 2018 May;73(5):431-438. doi: 10.1136/thoraxjnl-2017-211079. Epub 2018 Jan 13.

    PubMed 29331988
  • Ronit A, Kristensen T, Klitbo DM, Gelpi M, Kalhauge A, Benfield T, Gerstoft J, Lundgren J, Vestbo J, Kofoed KF, Nielsen SD. Incidental lung cancers and positive computed tomography images in people living with HIV. AIDS. 2017 Sep 10;31(14):1973-1977. doi: 10.1097/QAD.0000000000001600.

    PubMed 28857778
  • Ronit A, Mathiesen IH, Gelpi M, Benfield T, Gerstoft J, Pressler T, Christiansen A, Lundgren J, Vestbo J, Dam Nielsen S. Small airway dysfunction in well-treated never-smoking HIV-infected individuals. Eur Respir J. 2017 Mar 2;49(3):1602186. doi: 10.1183/13993003.02186-2016. Print 2017 Mar. No abstract available.

    PubMed 28254767
  • Ronit A, Haissman J, Kirkegaard-Klitbo DM, Kristensen TS, Lebech AM, Benfield T, Gerstoft J, Ullum H, Kober L, Kjaer A, Kofoed K, Vestbo J, Nordestgaard B, Lundgren J, Nielsen SD. Copenhagen comorbidity in HIV infection (COCOMO) study: a study protocol for a longitudinal, non-interventional assessment of non-AIDS comorbidity in HIV infection in Denmark. BMC Infect Dis. 2016 Nov 26;16(1):713. doi: 10.1186/s12879-016-2026-9.

    PubMed 27887644

Questions about this trial

What is this clinical trial studying?

An observational study of HIV and COPD, run by Susanne Dam Nielsen, MD, DMSc at 2 sites in Denmark.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 12 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Coronary atherosclerosis (time frame: Baseline cross-sectional data and after 2 years follow-up). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02382822, which also lists 8 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Aug 2026.

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