Doxycycline for Emphysema in People Living With HIV (The DEPTH Trial) (DEPTH)

  • STATUS
    Recruiting
  • End date
    Jun 19, 2024
  • participants needed
    250
  • sponsor
    Weill Medical College of Cornell University
Updated on 7 October 2022
doxycycline
COPD
cigarette smoke

Summary

The purpose of this study is to determine if doxycycline will reduce progression of emphysema in people living with HIV.

The secondary objectives are to examine the effects of doxycycline on change in quantity of emphysema, six minute walk distance, patient reported outcomes, ratio of forced expiratory volume in 1 second and forced vital capacity. Secondary objectives will also describe the safety and tolerability of doxycycline and determine if doxycycline is associated with development of antibiotic-resistant bacterial infections.

Description

This study is a phase II, multicenter, randomized, double-blinded, placebo-controlled clinical trial in approximately 250 people living with HIV who have emphysema.

Eligible participants will be randomized in a 1:1 fashion to doxycycline or placebo. Participants will receive 100 mg doxycycline orally or matched placebo twice a day for 72 weeks.

Details
Condition Emphysema, HIV
Treatment Placebo, doxycycline
Clinical Study IdentifierNCT05382208
SponsorWeill Medical College of Cornell University
Last Modified on7 October 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Male or female age 30 years and older at screening visit
HIV-1 infection, documented by any licensed rapid HIV test or HIV enzyme or chemiluminescence immunoassay (E/CIA) test kit at any time prior to the enrollment visit, and confirmed by a licensed Western blot or a second antibody test by a method other than the initial rapid HIV and/or E/CIA, or by HIV-1 antigen, plasma HIV-1 RNA viral load
Current or former smoker with at least a 3 pack-year history of cigarette smoking at screening visit
Evidence of emphysema on high resolution CT (HRCT) of the chest done at pre-entry visit. Emphysema is defined as 5 to 35% of voxels with density < -950 Hounsfield Units (HU)
Low DLCO, defined as < LLN by the Global Lung Initiative (GLI) predicted set for DLCO adjusted for barometric pressure, hemoglobin and carboxyhemoglobin based on the mean of screening and pre-entry measurements
HIV-1 RNA level < 200 copies/ml within 90 days prior to the Entry/Baseline visit by any US laboratory that has a Clinical Laboratory Improvement Amendments (CLIA) certification or its equivalent
CD4 cell count > 200 cells/mm3 within 90 days prior to the Entry/Baseline visit.by any US laboratory that has a CLIA certification or its equivalent
Stable antiretroviral therapy for greater than or equal to 8 weeks prior to the Entry/Baseline visit. Substitutions of one formulation of a drug for another are not considered changes in antiretroviral therapy for the purpose of defining stable therapy
Calculated creatinine clearance (CrCl) greater than or equal to 60 mL/min as estimated by the Cockcroft-Gault equation within 45 days prior to the Entry/Baseline visit
Serum ALT and AST < 3 x upper limit of normal within 45 days prior to the Entry/Baseline visit
Participants on therapy for COPD must be on stable therapy for at least 4 weeks prior to the Entry/Baseline visit
Documentation of serum alpha-1-antitrypsin level above the lower limit of normal from a test done at any time prior to the Entry/Baseline visit
Provision of signed and dated written informed consent
Stated willingness to adhere to all study procedures and anticipated availability for the duration of the study
Life expectancy > 2 years in the opinion of the site investigator
Ability to take oral medication and willingness to adhere to the study drug
For individuals of reproductive potential, negative serum or urine pregnancy test with a sensitivity of less than or equal to 25 mIU/mL at the screening visit. This will be repeated at the Entry/Baseline visit

Exclusion Criteria

Pulmonary infection, acute COPD exacerbation, acute opportunistic infection within 30 days prior to the Entry/Baseline visit
Any acute or serious illness requiring systemic treatment and/or hospitalization within 30 days prior to the Entry/Baseline visit
Decompensated cirrhosis defined as an acute deterioration in liver function in a patient with cirrhosis and is characterized by jaundice, ascites, hepatic encephalopathy, hepatorenal syndrome or variceal hemorrhage
History of, or planned, wedge resection, lobectomy, pneumonectomy, or lung volume reduction surgery
History of, or planned, endobronchial valve placement for lung volume reduction
Significant parenchymal lung disease other than emphysema or chronic bronchitis (e.g. sarcoidosis, MAI infection, pulmonary fibrosis, lung cancer)
Previous allergy or intolerance to doxycycline or other drugs in the tetracycline class (e.g. minocycline, tetracycline)
Breastfeeding individuals
Receipt of any investigational drug within 30 days prior to the Entry/Baseline visit. Note: for the purpose of this protocol, investigational drug refers to a drug that is not FDA approved for any indication. COVID vaccines available under emergency use authorization are allowed
Need for concomitant use of barbiturates; carbamazepine; phenytoin
Use of systemic retinoids (eg. Isotretinoin [Accutane]) or Vitamin A within 30 days prior to the Entry/Baseline visit. Note: Multivitamin containing Vitamin A use is permitted
Use of any systemic antibiotic (e.g., doxycycline or other tetracycline, azithromycin) within 7 days prior to the Entry/Baseline visit
Any condition including active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study requirements
History of recurrent C. difficile infection or C. difficile infection within 30 days prior to the Entry/Baseline visit
History of Pneumocystis pneumonia
Inability to stop supplemental oxygen for 15 minutes to perform a DLCO maneuver
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