Study Results
Results pending
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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Recruitment Status
COMPLETED
Clinical Phase
PHASE3
Total Enrollment
432 participants
Study Classification
INTERVENTIONAL
Study Start Date
1998-09-30
Study Completion Date
2004-03-31
Brief Summary
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TADS is designed to compare the effectiveness of established treatments for teenagers suffering from major depressive disorder (MDD). The treatments are: psychotherapy ("talking therapy"); medication; and the combination of psychotherapy and medication. Altogether, 432 teenagers (both males and females) ages 12 to 17, will take part in this study at 12 sites in the United States.
The TADS design will provide answers to the following questions: What is the long-term effectiveness of medication treatment of teenagers who have major depression? What is the long-term effectiveness of a specific psychotherapy ("talking therapy) in the treatment of teenagers who have major depression? How does medication treatment compare with psychotherapy in terms of effectiveness, tolerability and teenager and family acceptance? And, What is the cost-effectiveness of medication, psychotherapy and combined treatments?
The medication being used in this study is called fluoxetine. Fluoxetine is also known as Prozac. Research has shown that medications like Prozac help depression in young persons. Fluoxetine has been approved by the FDA for use in the treatment of child and adolescent (ages 7 to 17 years) depression.
The psychotherapy or "talking therapy" being used in this study is called Cognitive Behavioral Therapy (CBT). CBT is a talking therapy that will teach both the teenager and his or her family member (e.g., parent) new skills to cope better with depression. Specific topics include education about depression and the causes of depression, setting goals, monitoring mood, increasing pleasant activities, social problem-solving, correcting negative thinking, negotiation, compromise and assertiveness. CBT sessions may also help with resolving disagreements as they affect families.
The TADS design will provide answers to the following questions: What is the long-term effectiveness of medication treatment of teenagers who have major depression? What is the long-term effectiveness of a specific psychotherapy ("talking therapy) in the treatment of teenagers who have major depression? How does medication treatment compare with psychotherapy in terms of effectiveness, tolerability and teenager and family acceptance? And, What is the cost-effectiveness of medication, psychotherapy and combined treatments?
The medication being used in this study is called fluoxetine. Fluoxetine is also known as Prozac. Research has shown that medications like Prozac help depression in young persons. Fluoxetine has been approved by the FDA for use in the treatment of child and adolescent (ages 7 to 17 years) depression.
The psychotherapy or "talking therapy" being used in this study is called Cognitive Behavioral Therapy (CBT). CBT is a talking therapy that will teach both the teenager and his or her family member (e.g., parent) new skills to cope better with depression. Specific topics include education about depression and the causes of depression, setting goals, monitoring mood, increasing pleasant activities, social problem-solving, correcting negative thinking, negotiation, compromise and assertiveness. CBT sessions may also help with resolving disagreements as they affect families.
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Detailed Description
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TADS is a randomized controlled clinical trial that will compare the effectiveness of established treatments---cognitive-behavioral psychotherapy, medication management, and their combination---for adolescents suffering from major depressive disorder (MDD).
The experimental design consists of three treatment stages and a follow-up phase. Stage I (12 weeks) is a four-group randomized comparison of four treatments: antidepressant medication alone (Fluoxetine); psychotherapy alone (CBT); a combination of the medication and psychotherapy (Comb); and a placebo control medication condition (Pbo). Stage II (six weeks) is a treatment consolidation phase in which we ask whether longer treatment in responders and higher intensity treatment in partial responders to their Stage I treatment would be helpful. Non-responders at the end of Stage I will be referred to open community treatment, or for ethical and practical reasons in the case of non-responders to Placebo, to open treatment of their choice with one of the three active study treatments administered by the study team. Responders at the end of Stage I advance to 6 weeks of maintenance treatment in their assigned arm. Partial responders to CBT receive an additional 6 weeks of CBT in their assigned arm; partial responders to Fluoxetine may receive a higher dose for six weeks. Partial responders to the Comb treatment will receive an additional 6 weeks of CBT and may receive a higher dose of medication for six weeks. Stage III (18 weeks) is a treatment maintenance phase for those teenagers who have continued to respond well. Treatment will be continued and progress will be monitored. Stage IV (one year) is an assessment-only follow-up phase to help us understand the long-term benefits of the treatments.
The recruitment strategy is designed to enter into treatment a volunteer clinical sample of 432 teenagers, both males and females, ages 12 to 17, at ten sites. A multiple gating procedure will be used in which patients will be screened, assessed for study eligibility, and if eligible, consented before randomization to one of the four treatment groups. Patients will be selected without regard to race, gender, or ethnicity and it is expected that the sample will match patients seen in general clinical practice. Patients will be recruited from multiple sources including: mental health identified children, i.e., children already coming to a clinic; primary care identified children (pediatric and family physicians); teacher or school identified children (i.e., school refers through the parents or primary caretaker); and families who self-refer.
The experimental design consists of three treatment stages and a follow-up phase. Stage I (12 weeks) is a four-group randomized comparison of four treatments: antidepressant medication alone (Fluoxetine); psychotherapy alone (CBT); a combination of the medication and psychotherapy (Comb); and a placebo control medication condition (Pbo). Stage II (six weeks) is a treatment consolidation phase in which we ask whether longer treatment in responders and higher intensity treatment in partial responders to their Stage I treatment would be helpful. Non-responders at the end of Stage I will be referred to open community treatment, or for ethical and practical reasons in the case of non-responders to Placebo, to open treatment of their choice with one of the three active study treatments administered by the study team. Responders at the end of Stage I advance to 6 weeks of maintenance treatment in their assigned arm. Partial responders to CBT receive an additional 6 weeks of CBT in their assigned arm; partial responders to Fluoxetine may receive a higher dose for six weeks. Partial responders to the Comb treatment will receive an additional 6 weeks of CBT and may receive a higher dose of medication for six weeks. Stage III (18 weeks) is a treatment maintenance phase for those teenagers who have continued to respond well. Treatment will be continued and progress will be monitored. Stage IV (one year) is an assessment-only follow-up phase to help us understand the long-term benefits of the treatments.
The recruitment strategy is designed to enter into treatment a volunteer clinical sample of 432 teenagers, both males and females, ages 12 to 17, at ten sites. A multiple gating procedure will be used in which patients will be screened, assessed for study eligibility, and if eligible, consented before randomization to one of the four treatment groups. Patients will be selected without regard to race, gender, or ethnicity and it is expected that the sample will match patients seen in general clinical practice. Patients will be recruited from multiple sources including: mental health identified children, i.e., children already coming to a clinic; primary care identified children (pediatric and family physicians); teacher or school identified children (i.e., school refers through the parents or primary caretaker); and families who self-refer.
Conditions
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Major Depressive Disorder
Depression
Study Design
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Allocation Method
RANDOMIZED
Primary Study Purpose
TREATMENT
Blinding Strategy
DOUBLE
Interventions
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Fluoxetine
Intervention Type
DRUG
Psychotherapy
Intervention Type
BEHAVIORAL
Eligibility Criteria
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Inclusion Criteria
* Primary diagnosis DSM-IV of Major Depressive Disorder, pervasive and stable; Children's Depression Rating Scale-R total score at least 45; Ages 12-17 inclusive; Grade in school: 6-12; Full-Scale IQ at least 80; Medication-free before start of study; Outpatient; Parent (or family member) involvement
Exclusion Criteria
* Bipolar disorder; Severe Conduct Disorder; Substance Use/Abuse/Dependence; Pervasive Developmental Disorders; Thought Disorder; Suicidality or homicidality; Concurrent treatment with psychotropic drug (stable stimulant for ADHD permitted) or psychotherapy outside study; Two previous failed SSRI trials or a failed trial of CBT for depression; Intolerance to fluoxetine; Non-English speaking patient; Pregnancy or breastfeeding; No phone in home; Lack of parent or family member)involvement.
Minimum Eligible Age
12 Years
Maximum Eligible Age
17 Years
Eligible Sex
ALL
Accepts Healthy Volunteers
No
Sponsors
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National Institute of Mental Health (NIMH)
NIH
Sponsor Role
lead
Principal Investigators
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John March
Role: STUDY_DIRECTOR
Duke University
Anne Marie Albano
Role: PRINCIPAL_INVESTIGATOR
NYU Langone Health
David Rosenberg, MD
Role: PRINCIPAL_INVESTIGATOR
Wayne State Univ
Charles Casat
Role: PRINCIPAL_INVESTIGATOR
Carolinas Medical Center-Randlolph
Graham Emslie
Role: PRINCIPAL_INVESTIGATOR
University of Texas Soutwestern
Christopher Kratochvil
Role: PRINCIPAL_INVESTIGATOR
University of Nebraska
Paul Rohde and Anne Simons
Role: PRINCIPAL_INVESTIGATOR
University of Oregon
John Walkup
Role: PRINCIPAL_INVESTIGATOR
Johns Hopkins University
Elizabeth Weller
Role: PRINCIPAL_INVESTIGATOR
Children's Hospital of Philadelphia
Bruce Waslick
Role: PRINCIPAL_INVESTIGATOR
New York State Psychiatric Inst
Mark Reinecke
Role: PRINCIPAL_INVESTIGATOR
Northwestern University
Elizabeth Cottingham, MD
Role: PRINCIPAL_INVESTIGATOR
Children's Hospital Medical Center, Cincinnati
Norah Feeny, PhD
Role: PRINCIPAL_INVESTIGATOR
Case Western Reserve University
Locations
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Northwestern University
Chicago, Illinois, United States
Site Status
Johns Hopkins Hospital
Baltimore, Maryland, United States
Site Status
Wayne State University
Detroit, Michigan, United States
Site Status
University of Nebraska Medical Center
Omaha, Nebraska, United States
Site Status
New York University Medical Center
New York, New York, United States
Site Status
New York State Psychiatric Institute
New York, New York, United States
Site Status
Behavioral Health Center
Charlotte, North Carolina, United States
Site Status
Children's Hospital Medical Center
Cincinnati, Ohio, United States
Site Status
Case Western Reserve University
Cleveland, Ohio, United States
Site Status
University of Oregon
Eugene, Oregon, United States
Site Status
Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, United States
Site Status
University of Texas Southwestern Medical Center at Dallas
Dallas, Texas, United States
Site Status
Countries
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United States
References
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Glass RM. Treatment of adolescents with major depression: contributions of a major trial. JAMA. 2004 Aug 18;292(7):861-3. doi: 10.1001/jama.292.7.861. No abstract available.
Reference Type
BACKGROUND
Treatment for Adolescents With Depression Study Team. Treatment for Adolescents With Depression Study (TADS): rationale, design, and methods. J Am Acad Child Adolesc Psychiatry. 2003 May;42(5):531-42. doi: 10.1097/01.CHI.0000046839.90931.0D.
Reference Type
BACKGROUND
March J, Silva S, Petrycki S, Curry J, Wells K, Fairbank J, Burns B, Domino M, McNulty S, Vitiello B, Severe J; Treatment for Adolescents With Depression Study (TADS) Team. Fluoxetine, cognitive-behavioral therapy, and their combination for adolescents with depression: Treatment for Adolescents With Depression Study (TADS) randomized controlled trial. JAMA. 2004 Aug 18;292(7):807-20. doi: 10.1001/jama.292.7.807.
Reference Type
RESULT
Treatment for Adolescents with Depression Study (TADS) Team. The Treatment for Adolescents With Depression Study (TADS): demographic and clinical characteristics. J Am Acad Child Adolesc Psychiatry. 2005 Jan;44(1):28-40. doi: 10.1097/01.chi.0000145807.09027.82.
Reference Type
RESULT
March J, Silva S, Vitiello B; TADS Team. The Treatment for Adolescents with Depression Study (TADS): methods and message at 12 weeks. J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1393-403. doi: 10.1097/01.chi.0000237709.35637.c0.
Reference Type
RESULT
Emslie G, Kratochvil C, Vitiello B, Silva S, Mayes T, McNulty S, Weller E, Waslick B, Casat C, Walkup J, Pathak S, Rohde P, Posner K, March J; Columbia Suicidality Classification Group; TADS Team. Treatment for Adolescents with Depression Study (TADS): safety results. J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1440-55. doi: 10.1097/01.chi.0000240840.63737.1d.
Reference Type
RESULT
Curry J, Rohde P, Simons A, Silva S, Vitiello B, Kratochvil C, Reinecke M, Feeny N, Wells K, Pathak S, Weller E, Rosenberg D, Kennard B, Robins M, Ginsburg G, March J; TADS Team. Predictors and moderators of acute outcome in the Treatment for Adolescents with Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1427-39. doi: 10.1097/01.chi.0000240838.78984.e2.
Reference Type
RESULT
Kratochvil C, Emslie G, Silva S, McNulty S, Walkup J, Curry J, Reinecke M, Vitiello B, Rohde P, Feeny N, Casat C, Pathak S, Weller E, May D, Mayes T, Robins M, March J; TADS Team. Acute time to response in the Treatment for Adolescents with Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1412-8. doi: 10.1097/01.chi.0000237710.73755.14.
Reference Type
RESULT
Kennard B, Silva S, Vitiello B, Curry J, Kratochvil C, Simons A, Hughes J, Feeny N, Weller E, Sweeney M, Reinecke M, Pathak S, Ginsburg G, Emslie G, March J; TADS Team. Remission and residual symptoms after short-term treatment in the Treatment of Adolescents with Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1404-11. doi: 10.1097/01.chi.0000242228.75516.21.
Reference Type
RESULT
Vitiello B, Rohde P, Silva S, Wells K, Casat C, Waslick B, Simons A, Reinecke M, Weller E, Kratochvil C, Walkup J, Pathak S, Robins M, March J; TADS Team. Functioning and quality of life in the Treatment for Adolescents with Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2006 Dec;45(12):1419-26. doi: 10.1097/01.chi.0000242229.52646.6e.
Reference Type
RESULT
March JS, Silva S, Petrycki S, Curry J, Wells K, Fairbank J, Burns B, Domino M, McNulty S, Vitiello B, Severe J. The Treatment for Adolescents With Depression Study (TADS): long-term effectiveness and safety outcomes. Arch Gen Psychiatry. 2007 Oct;64(10):1132-43. doi: 10.1001/archpsyc.64.10.1132.
Reference Type
RESULT
Herman KC, Ostrander R, Walkup JT, Silva SG, March JS. Empirically derived subtypes of adolescent depression: latent profile analysis of co-occurring symptoms in the Treatment for Adolescents with Depression Study (TADS). J Consult Clin Psychol. 2007 Oct;75(5):716-28. doi: 10.1037/0022-006X.75.5.716.
Reference Type
RESULT
Jureidini J, Moncrieff J, Klau J, Aboustate N, Raven M. Treatment guesses in the Treatment for Adolescents with Depression Study: Accuracy, unblinding and influence on outcomes. Aust N Z J Psychiatry. 2024 Apr;58(4):355-364. doi: 10.1177/00048674231218623. Epub 2023 Dec 21.
Reference Type
DERIVED
Baumgartner N, Foster S, Emery S, Berger G, Walitza S, Haberling I. How Are Discrepant Parent-Child Reports Integrated? A Case of Depressed Adolescents. J Child Adolesc Psychopharmacol. 2021 May;31(4):279-287. doi: 10.1089/cap.2020.0116. Epub 2020 Dec 29.
Reference Type
DERIVED
Wang B, Ogburn EL, Rosenblum M. Analysis of covariance in randomized trials: More precision and valid confidence intervals, without model assumptions. Biometrics. 2019 Dec;75(4):1391-1400. doi: 10.1111/biom.13062. Epub 2019 Jun 3.
Reference Type
DERIVED
Foster S, Mohler-Kuo M, Tay L, Hothorn T, Seibold H. Estimating patient-specific treatment advantages in the 'Treatment for Adolescents with Depression Study'. J Psychiatr Res. 2019 May;112:61-70. doi: 10.1016/j.jpsychires.2019.02.021. Epub 2019 Feb 28.
Reference Type
DERIVED
Scott K, Lewis CC, Marti CN. Trajectories of Symptom Change in the Treatment for Adolescents With Depression Study. J Am Acad Child Adolesc Psychiatry. 2019 Mar;58(3):319-328. doi: 10.1016/j.jaac.2018.07.908. Epub 2019 Jan 8.
Reference Type
DERIVED
Foster S, Mohler-Kuo M. Treating a broader range of depressed adolescents with combined therapy. J Affect Disord. 2018 Dec 1;241:417-424. doi: 10.1016/j.jad.2018.08.027. Epub 2018 Aug 12.
Reference Type
DERIVED
Lewis CC, Simons AD, Nguyen LJ, Murakami JL, Reid MW, Silva SG, March JS. Impact of childhood trauma on treatment outcome in the Treatment for Adolescents with Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2010 Feb;49(2):132-40. doi: 10.1097/00004583-201002000-00007.
Reference Type
DERIVED
Kratochvil CJ, May DE, Silva SG, Madaan V, Puumala SE, Curry JF, Walkup J, Kepley H, Vitiello B, March JS. Treatment response in depressed adolescents with and without co-morbid attention-deficit/hyperactivity disorder in the Treatment for Adolescents with Depression Study. J Child Adolesc Psychopharmacol. 2009 Oct;19(5):519-27. doi: 10.1089/cap.2008.0143.
Reference Type
DERIVED
Treatment for Adolescents With Depression Study (TADS) Team; March J, Silva S, Curry J, Wells K, Fairbank J, Burns B, Domino M, Vitiello B, Severe J, Riedal K, Goldman M, Feeny N, Findling R, Stull S, Baab S, Weller EB, Robbins M, Weller RA, Jessani N, Waslick B, Sweeney M, Dublin R, Walkup J, Ginsburg G, Kastelic E, Koo H, Kratochvil C, May D, LaGrone R, Vaughan B, Albano AM, Hirsch GS, Podniesinki E, Chu A, Reincecke M, Leventhal B, Rogers G, Jacobs R, Pathak S, Wells J, Lavanier SA, Danielyan A, Rohde P, Simons A, Grimm J, Frank S, Emslie G, Kennard B, Hughes C, Mayes TL, Rosenberg D, Benazon N, Butkus M, Bartoi M. The Treatment for Adolescents With Depression Study (TADS): outcomes over 1 year of naturalistic follow-up. Am J Psychiatry. 2009 Oct;166(10):1141-9. doi: 10.1176/appi.ajp.2009.08111620. Epub 2009 Sep 1.
Reference Type
DERIVED
Domino ME, Foster EM, Vitiello B, Kratochvil CJ, Burns BJ, Silva SG, Reinecke MA, March JS. Relative cost-effectiveness of treatments for adolescent depression: 36-week results from the TADS randomized trial. J Am Acad Child Adolesc Psychiatry. 2009 Jul;48(7):711-720. doi: 10.1097/CHI.0b013e3181a2b319.
Reference Type
DERIVED
Rohde P, Silva SG, Tonev ST, Kennard BD, Vitiello B, Kratochvil CJ, Reinecke MA, Curry JF, Simons AD, March JS. Achievement and maintenance of sustained response during the Treatment for Adolescents With Depression Study continuation and maintenance therapy. Arch Gen Psychiatry. 2008 Apr;65(4):447-55. doi: 10.1001/archpsyc.65.4.447.
Reference Type
DERIVED
Vitiello B, Kratochvil CJ, Silva S, Curry J, Reinecke M, Pathak S, Waslick B, Hughes CW, Prentice ED, May DE, March JS. Research knowledge among the participants in the Treatment for Adolescents With Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2007 Dec;46(12):1642-50. doi: 10.1097/chi.0b013e318153f8c7.
Reference Type
DERIVED
May DE, Kratochvil CJ, Puumala SE, Silva SG, Rezac AJ, Hallin MJ, Reinecke MA, Vitiello B, Weller EB, Pathak S, Simons AD, March JS. A manual-based intervention to address clinical crises and retain patients in the Treatment of Adolescents With Depression Study (TADS). J Am Acad Child Adolesc Psychiatry. 2007 May;46(5):573-581. doi: 10.1097/chi.0b013e3180323342.
Reference Type
DERIVED
Related Links
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Other Identifiers
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DSIR CT
Identifier Type: -
Identifier Source: secondary_id
N01 MH80008
Identifier Type: -
Identifier Source: org_study_id
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