NCT00739765

Brief Summary

This study will examine whether interpersonal psychotherapy is as effective in treating post-traumatic stress disorder as the established therapies of prolonged exposure and relaxation.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
110

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Apr 2008

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2008

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

August 20, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 22, 2008

Completed
4.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2013

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2014

Completed
1.7 years until next milestone

Results Posted

Study results publicly available

November 16, 2015

Completed
Last Updated

March 5, 2019

Status Verified

February 1, 2019

Enrollment Period

4.9 years

First QC Date

August 20, 2008

Results QC Date

September 8, 2015

Last Update Submit

February 20, 2019

Conditions

Keywords

TraumaPsychotherapyAnxiety

Outcome Measures

Primary Outcomes (1)

  • Clinician-Administered PTSD Scale (CAPS)

    Continuous measure scale of PTSD symptoms severity. Generally considered state of the art. Range 0-136 (17 items each rated for frequency and for intensity, each on a 0-4 scale). Scores \>50 indicate at least moderately severe PTSD; scores \<20 were defined as remission. See Blake DD, Weathers FW, Nagy LM, et al: The development of a clinician-administered PTSD scale. J Trauma Stress 1995; 8:75-90; Weathers FW, Keane TM, Davidson JRT: Clinician-Administered PTSD Scale: a review of the first ten years of research. Depression and Anxiety 2001;13:132-156

    After 14 weeks of treatment

Secondary Outcomes (1)

  • Hamilton Depression Rating Scale

    After 14 weeks of treatment

Study Arms (3)

1 Interpersonal Psychotherapy (IPT)

EXPERIMENTAL

Participants will receive interpersonal psychotherapy.

Behavioral: Interpersonal Psychotherapy

2 Prolonged Exposure (PE)

ACTIVE COMPARATOR

Participants will receive prolonged exposure therapy.

Behavioral: Prolonged Exposure Therapy

3 Relaxation therapy

ACTIVE COMPARATOR

Participants will receive relaxation therapy.

Behavioral: Relaxation Therapy

Interventions

14 weekly 50-minute sessions of interpersonal psychotherapy, a time-limited treatment that focuses on interpersonal functioning and social supports

1 Interpersonal Psychotherapy (IPT)

Ten 90-minute sessions, distributed over 14 weeks, of prolonged exposure, which involves the repeated, detailed recounting of the trauma to develop a coherent narrative and repeated exposure to reminders of the trauma

2 Prolonged Exposure (PE)

Nine 90-minute sessions and one 30-minute session, distributed over 14 weeks, that focus on muscle relaxation to address the physical symptoms of PTSD

3 Relaxation therapy

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Meets DSM-IV (Diagnostic and Statistical Manual of Mental Disorders) criteria for primary, chronic PTSD
  • At least moderately severe symptoms, defined by a minimum total (frequency plus severity) Clinician-Administered PTSD Scale score greater than 50
  • Willing to undergo an independent clinical assessment and other ratings

You may not qualify if:

  • Diagnosis of schizophrenia, bipolar disorder, or other psychotic disorders
  • Psychiatric disorder due to a general medical condition
  • Current substance abuse or dependence
  • Acute suicide or homicide risk
  • Unstable or life-threatening medical condition
  • Primary diagnosis of borderline personality disorder, major depressive disorder, or major depression, melancholic subtype
  • Diagnosis of antisocial personality disorder
  • At least partial benefit from current treatment regimen
  • Unwillingness to discontinue current ineffective psycho- or pharmacotherapy
  • Inability to speak or read English

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

New York State Psychiatric Institute

New York, New York, 10032, United States

Location

Related Publications (16)

  • Bleiberg KL, Markowitz JC. A pilot study of interpersonal psychotherapy for posttraumatic stress disorder. Am J Psychiatry. 2005 Jan;162(1):181-3. doi: 10.1176/appi.ajp.162.1.181.

    PMID: 15625219BACKGROUND
  • Markowitz JC, Bleiberg KL, Christos P, Levitan E. Solving interpersonal problems correlates with symptom improvement in interpersonal psychotherapy: preliminary findings. J Nerv Ment Dis. 2006 Jan;194(1):15-20. doi: 10.1097/01.nmd.0000195314.80210.41.

    PMID: 16462550BACKGROUND
  • Taylor S, Thordarson DS, Maxfield L, Fedoroff IC, Lovell K, Ogrodniczuk J. Comparative efficacy, speed, and adverse effects of three PTSD treatments: exposure therapy, EMDR, and relaxation training. J Consult Clin Psychol. 2003 Apr;71(2):330-8. doi: 10.1037/0022-006x.71.2.330.

    PMID: 12699027BACKGROUND
  • Markowitz JC, Milrod B, Bleiberg K, Marshall RD. Interpersonal factors in understanding and treating posttraumatic stress disorder. J Psychiatr Pract. 2009 Mar;15(2):133-40. doi: 10.1097/01.pra.0000348366.34419.28.

    PMID: 19339847BACKGROUND
  • Markowitz JC, Kaplowitz M, Suh EJ, Meehan KB, Neria Y, Jonker H, Rafaeli A, Lovell K. Treating patients who strain the research psychotherapy paradigm. J Nerv Ment Dis. 2012 Jul;200(7):594-7. doi: 10.1097/NMD.0b013e31825bfaf4.

    PMID: 22759936BACKGROUND
  • Amsel LV, Hunter N, Kim S, Fodor KE, Markowitz JC. Does a study focused on trauma encourage patients with psychotic symptoms to seek treatment? Psychiatr Serv. 2012 Apr;63(4):386-9. doi: 10.1176/appi.ps.201100251.

    PMID: 22476306BACKGROUND
  • Rafaeli AK, Markowitz JC. Interpersonal psychotherapy (IPT) for PTSD: a case study. Am J Psychother. 2011;65(3):205-23. doi: 10.1176/appi.psychotherapy.2011.65.3.205.

    PMID: 22032045BACKGROUND
  • Markowitz JC, Milrod BL. The importance of responding to negative affect in psychotherapies. Am J Psychiatry. 2011 Feb;168(2):124-8. doi: 10.1176/appi.ajp.2010.10040636. No abstract available.

    PMID: 21297048BACKGROUND
  • Markowitz JC. IPT and PTSD. Depress Anxiety. 2010 Oct;27(10):879-81. doi: 10.1002/da.20752. No abstract available.

    PMID: 20886608BACKGROUND
  • Markowitz JC, Lipsitz J, Milrod BL. Critical review of outcome research on interpersonal psychotherapy for anxiety disorders. Depress Anxiety. 2014 Apr;31(4):316-25. doi: 10.1002/da.22238. Epub 2014 Feb 3.

    PMID: 24493661BACKGROUND
  • Markowitz JC, Petkova E, Neria Y, Van Meter PE, Zhao Y, Hembree E, Lovell K, Biyanova T, Marshall RD. Is Exposure Necessary? A Randomized Clinical Trial of Interpersonal Psychotherapy for PTSD. Am J Psychiatry. 2015 May;172(5):430-40. doi: 10.1176/appi.ajp.2014.14070908. Epub 2015 Feb 13.

  • Markowitz JC, Meehan KB, Petkova E, Zhao Y, Van Meter PE, Neria Y, Pessin H, Nazia Y. Treatment preferences of psychotherapy patients with chronic PTSD. J Clin Psychiatry. 2016 Mar;77(3):363-70. doi: 10.4088/JCP.14m09640.

  • Markowitz JC, Petkova E, Biyanova T, Ding K, Suh EJ, Neria Y. EXPLORING PERSONALITY DIAGNOSIS STABILITY FOLLOWING ACUTE PSYCHOTHERAPY FOR CHRONIC POSTTRAUMATIC STRESS DISORDER. Depress Anxiety. 2015 Dec;32(12):919-26. doi: 10.1002/da.22436. Epub 2015 Oct 6.

  • Markowitz JC, Neria Y, Lovell K, Van Meter PE, Petkova E. History of sexual trauma moderates psychotherapy outcome for posttraumatic stress disorder. Depress Anxiety. 2017 Aug;34(8):692-700. doi: 10.1002/da.22619. Epub 2017 Apr 4.

  • Markowitz JC, Choo TH, Neria Y. Do Acute Benefits of Interpersonal Psychotherapy for Posttraumatic Stress Disorder Endure? Can J Psychiatry. 2018 Jan;63(1):37-43. doi: 10.1177/0706743717720690. Epub 2017 Jul 25.

  • Suarez-Jimenez B, Zhu X, Lazarov A, Mann JJ, Schneier F, Gerber A, Barber JP, Chambless DL, Neria Y, Milrod B, Markowitz JC. Anterior hippocampal volume predicts affect-focused psychotherapy outcome. Psychol Med. 2020 Feb;50(3):396-402. doi: 10.1017/S0033291719000187. Epub 2019 Feb 18.

Related Links

MeSH Terms

Conditions

Stress Disorders, Post-TraumaticWounds and InjuriesAnxiety Disorders

Interventions

Interpersonal PsychotherapyRelaxation Therapy

Condition Hierarchy (Ancestors)

Stress Disorders, TraumaticTrauma and Stressor Related DisordersMental Disorders

Intervention Hierarchy (Ancestors)

PsychotherapyBehavioral Disciplines and ActivitiesMind-Body TherapiesComplementary TherapiesTherapeuticsBehavior Therapy

Limitations and Caveats

Limited generalizability of unmedicated sample; incomplete therapist fidelity rating; limited sample size.

Results Point of Contact

Title
John C. Markowitz, M.D.
Organization
New York State Psychiatric Institute

Study Officials

  • John C. Markowitz, MD

    New York State Psychiatric Institution

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Randomized controlled trial of three time-limited (14 week) psychotherapies for unmedicated patients with chronic posttraumatic stress disorder (PTSD)
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinical Psychiatrist

Study Record Dates

First Submitted

August 20, 2008

First Posted

August 22, 2008

Study Start

April 1, 2008

Primary Completion

March 1, 2013

Study Completion

March 1, 2014

Last Updated

March 5, 2019

Results First Posted

November 16, 2015

Record last verified: 2019-02

Data Sharing

IPD Sharing
Will not share

Locations